* installing to library ‘/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages’
* installing *source* package ‘tdata’ ...
** package ‘tdata’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C++ compiler: ‘g++-14 (Debian 14.2.0-8) 14.2.0’
using C++17
make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpObzmoJ/R.INSTALL185e5772160008/tdata/src'
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c RcppExports.cpp -o RcppExports.o
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c array.cpp -o array.o
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/arg.hpp:25,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/placeholders.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_facade.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range_core.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/as_literal.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/trim.hpp:19,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:19,
                 from helpers.h:6,
                 from array.h:3,
                 from array.cpp:7:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of ‘assert_arg’ [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of ‘assert_not_arg’ [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/bind/mem_fn.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mem_fn.hpp:22,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function/function_template.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/detail/find_iterator.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/find_iterator.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/iter_find.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/split.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:23:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/get_pointer.hpp:48:40: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      |                                        ^~~~~~~~
In file included from /usr/include/c++/14/memory:78,
                 from ldt_base.h:19,
                 from helpers.h:3:
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c f_base.cpp -o f_base.o
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/arg.hpp:25,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/placeholders.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_facade.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range_core.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/as_literal.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/trim.hpp:19,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:19,
                 from helpers.h:6,
                 from frequency.h:3,
                 from f_base.cpp:7:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of ‘assert_arg’ [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of ‘assert_not_arg’ [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/bind/mem_fn.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mem_fn.hpp:22,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function/function_template.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/detail/find_iterator.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/find_iterator.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/iter_find.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/split.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:23:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/get_pointer.hpp:48:40: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      |                                        ^~~~~~~~
In file included from /usr/include/c++/14/memory:78,
                 from ldt_base.h:19,
                 from helpers.h:3:
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c f_cross_section.cpp -o f_cross_section.o
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/arg.hpp:25,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/placeholders.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_facade.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range_core.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/as_literal.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/trim.hpp:19,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:19,
                 from helpers.h:6,
                 from frequency.h:3,
                 from f_cross_section.cpp:7:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of ‘assert_arg’ [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of ‘assert_not_arg’ [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/bind/mem_fn.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mem_fn.hpp:22,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function/function_template.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/detail/find_iterator.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/find_iterator.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/iter_find.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/split.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:23:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/get_pointer.hpp:48:40: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      |                                        ^~~~~~~~
In file included from /usr/include/c++/14/memory:78,
                 from ldt_base.h:19,
                 from helpers.h:3:
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c f_day_based.cpp -o f_day_based.o
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/arg.hpp:25,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/placeholders.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_facade.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range_core.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/as_literal.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/trim.hpp:19,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:19,
                 from helpers.h:6,
                 from frequency.h:3,
                 from f_day_based.cpp:7:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of ‘assert_arg’ [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of ‘assert_not_arg’ [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/bind/mem_fn.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mem_fn.hpp:22,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function/function_template.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/detail/find_iterator.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/find_iterator.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/iter_find.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/split.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:23:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/get_pointer.hpp:48:40: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      |                                        ^~~~~~~~
In file included from /usr/include/c++/14/memory:78,
                 from ldt_base.h:19,
                 from helpers.h:3:
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c f_list.cpp -o f_list.o
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/arg.hpp:25,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/placeholders.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_facade.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range_core.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/as_literal.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/trim.hpp:19,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:19,
                 from helpers.h:6,
                 from frequency.h:3,
                 from f_list.cpp:7:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of ‘assert_arg’ [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of ‘assert_not_arg’ [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/bind/mem_fn.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mem_fn.hpp:22,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function/function_template.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/detail/find_iterator.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/find_iterator.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/iter_find.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/split.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:23:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/get_pointer.hpp:48:40: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      |                                        ^~~~~~~~
In file included from /usr/include/c++/14/memory:78,
                 from ldt_base.h:19,
                 from helpers.h:3:
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/assert.hpp:35,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:20,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:19,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/size_type.hpp:20,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/size.hpp:21,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/functions.hpp:20,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range_core.hpp:38:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:167:5:   required from ‘struct boost::CopyConstructible<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:125:16:   required from ‘struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
  125 |         struct IncrementableIteratorConcept : CopyConstructible<Iterator>
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:147:16:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
  147 |         struct SinglePassIteratorConcept
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:31:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:208:5:   required from ‘struct boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_concepts.hpp:114:7:   [ skipping 9 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]’
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_concepts.hpp:114:7:   required from ‘struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:147:16:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
  147 |         struct SinglePassIteratorConcept
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::random_access_traversal_tag; Y = boost::iterators::incrementable_traversal_tag]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:136:13:   required from ‘struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:147:16:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
  147 |         struct SinglePassIteratorConcept
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:233:5:   required from ‘struct boost::EqualityComparable<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:147:16:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
  147 |         struct SinglePassIteratorConcept
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:208:5:   required from ‘struct boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:152:13:   [ skipping 8 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]’
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:152:13:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:278:9:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::random_access_traversal_tag; Y = boost::iterators::single_pass_traversal_tag]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:158:13:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:278:9:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:278:9:   required from ‘struct boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::range_detail::SinglePassIteratorConcept<Iterator>::~SinglePassIteratorConcept() [with Iterator = __gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> >]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:158:13: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  158 |             BOOST_CONCEPT_USAGE(SinglePassIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:284:9:   required from ‘struct boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >]’
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::SinglePassRangeConcept<T>::~SinglePassRangeConcept() [with T = const std::vector<boost::gregorian::date>]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:284:9: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  284 |         BOOST_CONCEPT_USAGE(SinglePassRangeConcept)
      |         ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:167:5:   required from ‘struct boost::CopyConstructible<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:125:16:   required from ‘struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
  125 |         struct IncrementableIteratorConcept : CopyConstructible<Iterator>
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:147:16:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
  147 |         struct SinglePassIteratorConcept
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(std::__cxx11::basic_string<char>)>; SinglePassRange = std::vector<std::__cxx11::basic_string<char> >]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:142:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  142 |       return std::string("Ls:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:186:21:   required from here
  186 | template class ldt::FrequencyList<std::string>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:136:13:   required from ‘struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:147:16:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
  147 |         struct SinglePassIteratorConcept
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >’
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(std::__cxx11::basic_string<char>)>; SinglePassRange = std::vector<std::__cxx11::basic_string<char> >]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:142:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  142 |       return std::string("Ls:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:186:21:   required from here
  186 | template class ldt::FrequencyList<std::string>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:233:5:   required from ‘struct boost::EqualityComparable<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:147:16:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
  147 |         struct SinglePassIteratorConcept
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >’
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(std::__cxx11::basic_string<char>)>; SinglePassRange = std::vector<std::__cxx11::basic_string<char> >]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:142:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  142 |       return std::string("Ls:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:186:21:   required from here
  186 | template class ldt::FrequencyList<std::string>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:158:13:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:278:9:   [ skipping 3 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(std::__cxx11::basic_string<char>)>; SinglePassRange = std::vector<std::__cxx11::basic_string<char> >]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:142:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  142 |       return std::string("Ls:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:186:21:   required from here
  186 | template class ldt::FrequencyList<std::string>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:278:9:   required from ‘struct boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(std::__cxx11::basic_string<char>)>; SinglePassRange = std::vector<std::__cxx11::basic_string<char> >]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:142:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  142 |       return std::string("Ls:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:186:21:   required from here
  186 | template class ldt::FrequencyList<std::string>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::range_detail::SinglePassIteratorConcept<Iterator>::~SinglePassIteratorConcept() [with Iterator = __gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:158:13: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  158 |             BOOST_CONCEPT_USAGE(SinglePassIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:284:9:   required from ‘struct boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(std::__cxx11::basic_string<char>)>; SinglePassRange = std::vector<std::__cxx11::basic_string<char> >]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:142:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  142 |       return std::string("Ls:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:186:21:   required from here
  186 | template class ldt::FrequencyList<std::string>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:5: note: in a call to non-static member function ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >]’
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |     ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp: In instantiation of ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(std::__cxx11::basic_string<char>)>; SinglePassRange = std::vector<std::__cxx11::basic_string<char> >]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:142:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  142 |       return std::string("Ls:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:186:21:   required from here
  186 | template class ldt::FrequencyList<std::string>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47: warning: ‘this’ pointer is null [-Wnonnull]
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::SinglePassRangeConcept<T>::~SinglePassRangeConcept() [with T = const std::vector<std::__cxx11::basic_string<char> >]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:284:9: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  284 |         BOOST_CONCEPT_USAGE(SinglePassRangeConcept)
      |         ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp: In instantiation of ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47:   required from ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >]’
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:167:5:   required from ‘struct boost::CopyConstructible<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:125:16:   required from ‘struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
  125 |         struct IncrementableIteratorConcept : CopyConstructible<Iterator>
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:147:16:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
  147 |         struct SinglePassIteratorConcept
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   [ skipping 6 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:48: warning: ‘this’ pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::CopyConstructible<TT>::~CopyConstructible() [with TT = __gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> >]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:167:5: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  167 |     BOOST_CONCEPT_USAGE(CopyConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp: In instantiation of ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47:   required from ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >]’
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:208:5:   required from ‘struct boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag>]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::incrementable_traversal_tag> >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 10 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:48: warning: ‘this’ pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::random_access_traversal_tag; Y = boost::iterators::incrementable_traversal_tag]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp: In instantiation of ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47:   required from ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >]’
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:136:13:   required from ‘struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:147:16:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
  147 |         struct SinglePassIteratorConcept
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:48: warning: ‘this’ pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::range_detail::IncrementableIteratorConcept<Iterator>::~IncrementableIteratorConcept() [with Iterator = __gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> >]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:136:13: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  136 |             BOOST_CONCEPT_USAGE(IncrementableIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp: In instantiation of ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47:   required from ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >]’
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:233:5:   required from ‘struct boost::EqualityComparable<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:147:16:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
  147 |         struct SinglePassIteratorConcept
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:48: warning: ‘this’ pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::EqualityComparable<TT>::~EqualityComparable() [with TT = __gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> >]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp: In instantiation of ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47:   required from ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >]’
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:208:5:   required from ‘struct boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag>]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::Convertible<boost::iterators::random_access_traversal_tag, boost::iterators::single_pass_traversal_tag> >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 9 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:48: warning: ‘this’ pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::Convertible<X, Y>::~Convertible() [with X = boost::iterators::random_access_traversal_tag; Y = boost::iterators::single_pass_traversal_tag]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:208:5: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  208 |     BOOST_CONCEPT_USAGE(Convertible) {
      |     ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp: In instantiation of ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47:   required from ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >]’
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:158:13:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:48: warning: ‘this’ pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::range_detail::SinglePassIteratorConcept<Iterator>::~SinglePassIteratorConcept() [with Iterator = __gnu_cxx::__normal_iterator<const boost::gregorian::date*, std::vector<boost::gregorian::date> >]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:158:13: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  158 |             BOOST_CONCEPT_USAGE(SinglePassIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp: In instantiation of ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47:   required from ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >]’
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:284:9:   required from ‘struct boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<boost::gregorian::date> >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(boost::gregorian::date)>; SinglePassRange = std::vector<boost::gregorian::date>]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:154:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = boost::gregorian::date; std::string = std::__cxx11::basic_string<char>]’
  154 |       return std::string("Ld:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:185:21:   required from here
  185 | template class ldt::FrequencyList<boost::gregorian::date>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:48: warning: ‘this’ pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::SinglePassRangeConcept<T>::~SinglePassRangeConcept() [with T = const std::vector<boost::gregorian::date>]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:284:9: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  284 |         BOOST_CONCEPT_USAGE(SinglePassRangeConcept)
      |         ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp: In instantiation of ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::CopyConstructible<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47:   required from ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::CopyConstructible<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]’
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:167:5:   required from ‘struct boost::CopyConstructible<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:125:16:   required from ‘struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
  125 |         struct IncrementableIteratorConcept : CopyConstructible<Iterator>
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:147:16:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
  147 |         struct SinglePassIteratorConcept
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   [ skipping 6 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(std::__cxx11::basic_string<char>)>; SinglePassRange = std::vector<std::__cxx11::basic_string<char> >]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:142:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  142 |       return std::string("Ls:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:186:21:   required from here
  186 | template class ldt::FrequencyList<std::string>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:48: warning: ‘this’ pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::CopyConstructible<TT>::~CopyConstructible() [with TT = __gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:167:5: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  167 |     BOOST_CONCEPT_USAGE(CopyConstructible) {
      |     ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp: In instantiation of ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47:   required from ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]’
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:136:13:   required from ‘struct boost::range_detail::IncrementableIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:147:16:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
  147 |         struct SinglePassIteratorConcept
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(std::__cxx11::basic_string<char>)>; SinglePassRange = std::vector<std::__cxx11::basic_string<char> >]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:142:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  142 |       return std::string("Ls:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:186:21:   required from here
  186 | template class ldt::FrequencyList<std::string>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:48: warning: ‘this’ pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::range_detail::IncrementableIteratorConcept<Iterator>::~IncrementableIteratorConcept() [with Iterator = __gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:136:13: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  136 |             BOOST_CONCEPT_USAGE(IncrementableIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp: In instantiation of ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::EqualityComparable<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47:   required from ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::EqualityComparable<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]’
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:233:5:   required from ‘struct boost::EqualityComparable<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:147:16:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
  147 |         struct SinglePassIteratorConcept
      |                ^~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   [ skipping 5 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(std::__cxx11::basic_string<char>)>; SinglePassRange = std::vector<std::__cxx11::basic_string<char> >]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:142:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  142 |       return std::string("Ls:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:186:21:   required from here
  186 | template class ldt::FrequencyList<std::string>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:48: warning: ‘this’ pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::EqualityComparable<TT>::~EqualityComparable() [with TT = __gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept_check.hpp:233:5: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  233 |     BOOST_CONCEPT_USAGE(EqualityComparable) {
      |     ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp: In instantiation of ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47:   required from ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >]’
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:158:13:   required from ‘struct boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::range_detail::SinglePassIteratorConcept<__gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   [ skipping 4 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >’
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(std::__cxx11::basic_string<char>)>; SinglePassRange = std::vector<std::__cxx11::basic_string<char> >]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:142:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  142 |       return std::string("Ls:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:186:21:   required from here
  186 | template class ldt::FrequencyList<std::string>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:48: warning: ‘this’ pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::range_detail::SinglePassIteratorConcept<Iterator>::~SinglePassIteratorConcept() [with Iterator = __gnu_cxx::__normal_iterator<const std::__cxx11::basic_string<char>*, std::vector<std::__cxx11::basic_string<char> > >]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:158:13: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  158 |             BOOST_CONCEPT_USAGE(SinglePassIteratorConcept)
      |             ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp: In instantiation of ‘boost::concepts::usage_requirements<Model>::~usage_requirements() [with Model = boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >]’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:50:47:   required from ‘static void boost::concepts::requirement<boost::concepts::failed************ Model::************>::failed() [with Model = boost::concepts::usage_requirements<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >]’
   50 |     static void failed() { ((Model*)0)->~Model(); }
      |                            ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:284:9:   required from ‘struct boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:32:62:   required by substitution of ‘template<class Model> boost::concepts::detail::yes boost::concepts::detail::has_constraints_(Model*, wrap_constraints<Model, (& Model::constraints)>*) [with Model = boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >]’
   32 |   inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
      |                                                              ^~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:42:5:   required from ‘const bool boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >::value’
   44 |       , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/has_constraints.hpp:45:51:   required from ‘struct boost::concepts::not_satisfied<boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > > >’
   45 |     typedef boost::integral_constant<bool, value> type;
      |                                                   ^~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/detail/general.hpp:72:8:   required from ‘struct boost::concepts::requirement_<void (*)(boost::SinglePassRangeConcept<const std::vector<std::__cxx11::basic_string<char> > >)>’
   72 | struct requirement_<void(*)(Model)>
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/algorithm/equal.hpp:175:13:   required from ‘boost::range_detail::transformed_range<UnaryFunction, const SinglePassRange> boost::adaptors::transform(const SinglePassRange&, UnaryFunction) [with UnaryFunction = std::function<std::__cxx11::basic_string<char>(std::__cxx11::basic_string<char>)>; SinglePassRange = std::vector<std::__cxx11::basic_string<char> >]’
   92 |     &::boost::concepts::requirement_<ModelFnPtr>::failed>    \
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
helpers.h:197:59:   required from ‘std::string Join(std::vector<T>, const std::string&, std::function<std::__cxx11::basic_string<char>(T)>&) [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  197 |   return boost::algorithm::join(boost::adaptors::transform(values, fun),
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
f_list.cpp:142:39:   required from ‘std::string ldt::FrequencyList<T>::ToClassString(bool) const [with T = std::__cxx11::basic_string<char>; std::string = std::__cxx11::basic_string<char>]’
  142 |       return std::string("Ls:") + Join(*pItems, std::string(";"), fun);
      |                                   ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f_list.cpp:186:21:   required from here
  186 | template class ldt::FrequencyList<std::string>;
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:20:48: warning: ‘this’ pointer is null [-Wnonnull]
   20 |     ~usage_requirements() { ((Model*)0)->~Model(); }
      |                             ~~~~~~~~~~~~~~~~~~~^~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/concept/usage.hpp:37:7: note: in a call to non-static member function ‘boost::SinglePassRangeConcept<T>::~SinglePassRangeConcept() [with T = const std::vector<std::__cxx11::basic_string<char> >]’
   37 |       ~model()
      |       ^
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/concepts.hpp:284:9: note: in expansion of macro ‘BOOST_CONCEPT_USAGE’
  284 |         BOOST_CONCEPT_USAGE(SinglePassRangeConcept)
      |         ^~~~~~~~~~~~~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c f_week_based.cpp -o f_week_based.o
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/arg.hpp:25,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/placeholders.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_facade.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range_core.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/as_literal.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/trim.hpp:19,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:19,
                 from helpers.h:6,
                 from frequency.h:3,
                 from f_week_based.cpp:7:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of ‘assert_arg’ [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of ‘assert_not_arg’ [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/bind/mem_fn.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mem_fn.hpp:22,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function/function_template.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/detail/find_iterator.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/find_iterator.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/iter_find.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/split.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:23:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/get_pointer.hpp:48:40: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      |                                        ^~~~~~~~
In file included from /usr/include/c++/14/memory:78,
                 from ldt_base.h:19,
                 from helpers.h:3:
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c f_year_based.cpp -o f_year_based.o
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/arg.hpp:25,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/placeholders.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_facade.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range_core.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/as_literal.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/trim.hpp:19,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:19,
                 from helpers.h:6,
                 from frequency.h:3,
                 from f_year_based.cpp:7:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of ‘assert_arg’ [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of ‘assert_not_arg’ [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/bind/mem_fn.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mem_fn.hpp:22,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function/function_template.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/detail/find_iterator.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/find_iterator.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/iter_find.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/split.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:23:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/get_pointer.hpp:48:40: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      |                                        ^~~~~~~~
In file included from /usr/include/c++/14/memory:78,
                 from ldt_base.h:19,
                 from helpers.h:3:
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c helpers.cpp -o helpers.o
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/arg.hpp:25,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/placeholders.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_facade.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range_core.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/as_literal.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/trim.hpp:19,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:19,
                 from helpers.h:6,
                 from helpers.cpp:7:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of ‘assert_arg’ [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of ‘assert_not_arg’ [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/bind/mem_fn.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mem_fn.hpp:22,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function/function_template.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/detail/find_iterator.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/find_iterator.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/iter_find.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/split.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:23:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/get_pointer.hpp:48:40: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      |                                        ^~~~~~~~
In file included from /usr/include/c++/14/memory:78,
                 from ldt_base.h:19,
                 from helpers.h:3:
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c r_convert.cpp -o r_convert.o
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/arg.hpp:25,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/placeholders.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_facade.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range_core.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/as_literal.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/trim.hpp:19,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:19,
                 from helpers.h:6,
                 from frequency.h:3,
                 from r_tsdata.h:6,
                 from r_convert.cpp:1:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of ‘assert_arg’ [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of ‘assert_not_arg’ [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/bind/mem_fn.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mem_fn.hpp:22,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function/function_template.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/detail/find_iterator.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/find_iterator.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/iter_find.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/split.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:23:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/get_pointer.hpp:48:40: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      |                                        ^~~~~~~~
In file included from /usr/include/c++/14/memory:78,
                 from ldt_base.h:19,
                 from helpers.h:3:
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:17,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/shared_ptr.hpp:17,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/date_time/time_clock.hpp:17,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/date_time/posix_time/posix_time_types.hpp:10,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/date_time/posix_time/time_formatters.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/date_time/posix_time/posix_time.hpp:24,
                 from r_tsdata.h:11:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/detail/shared_count.hpp:326:33: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  326 |     explicit shared_count( std::auto_ptr<Y> & r ): pi_( new sp_counted_impl_p<Y>( r.get() ) )
      |                                 ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:354:31: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  354 |     explicit shared_ptr( std::auto_ptr<Y> & r ): px(r.get()), pn()
      |                               ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:365:22: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  365 |     shared_ptr( std::auto_ptr<Y> && r ): px(r.get()), pn()
      |                      ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:423:34: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  423 |     shared_ptr & operator=( std::auto_ptr<Y> & r )
      |                                  ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:430:34: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  430 |     shared_ptr & operator=( std::auto_ptr<Y> && r )
      |                                  ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp: In member function ‘boost::shared_ptr<T>& boost::shared_ptr<T>::operator=(std::auto_ptr<_Up>&&)’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:432:38: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  432 |         this_type( static_cast< std::auto_ptr<Y> && >( r ) ).swap( *this );
      |                                      ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c r_frequency.cpp -o r_frequency.o
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/arg.hpp:25,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/placeholders.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_facade.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range_core.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/as_literal.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/trim.hpp:19,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:19,
                 from helpers.h:6,
                 from frequency.h:3,
                 from r_tsdata.h:6,
                 from r_frequency.cpp:1:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of ‘assert_arg’ [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of ‘assert_not_arg’ [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/bind/mem_fn.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mem_fn.hpp:22,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function/function_template.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/detail/find_iterator.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/find_iterator.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/iter_find.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/split.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:23:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/get_pointer.hpp:48:40: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      |                                        ^~~~~~~~
In file included from /usr/include/c++/14/memory:78,
                 from ldt_base.h:19,
                 from helpers.h:3:
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:17,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/shared_ptr.hpp:17,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/date_time/time_clock.hpp:17,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/date_time/posix_time/posix_time_types.hpp:10,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/date_time/posix_time/time_formatters.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/date_time/posix_time/posix_time.hpp:24,
                 from r_tsdata.h:11:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/detail/shared_count.hpp:326:33: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  326 |     explicit shared_count( std::auto_ptr<Y> & r ): pi_( new sp_counted_impl_p<Y>( r.get() ) )
      |                                 ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:354:31: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  354 |     explicit shared_ptr( std::auto_ptr<Y> & r ): px(r.get()), pn()
      |                               ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:365:22: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  365 |     shared_ptr( std::auto_ptr<Y> && r ): px(r.get()), pn()
      |                      ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:423:34: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  423 |     shared_ptr & operator=( std::auto_ptr<Y> & r )
      |                                  ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:430:34: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  430 |     shared_ptr & operator=( std::auto_ptr<Y> && r )
      |                                  ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp: In member function ‘boost::shared_ptr<T>& boost::shared_ptr<T>::operator=(std::auto_ptr<_Up>&&)’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:432:38: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  432 |         this_type( static_cast< std::auto_ptr<Y> && >( r ) ).swap( *this );
      |                                      ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c r_variable.cpp -o r_variable.o
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/arg.hpp:25,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/placeholders.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_facade.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range_core.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/as_literal.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/trim.hpp:19,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:19,
                 from helpers.h:6,
                 from frequency.h:3,
                 from r_tsdata.h:6,
                 from r_variable.cpp:1:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of ‘assert_arg’ [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of ‘assert_not_arg’ [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/bind/mem_fn.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mem_fn.hpp:22,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function/function_template.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/detail/find_iterator.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/find_iterator.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/iter_find.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/split.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:23:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/get_pointer.hpp:48:40: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      |                                        ^~~~~~~~
In file included from /usr/include/c++/14/memory:78,
                 from ldt_base.h:19,
                 from helpers.h:3:
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:17,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/shared_ptr.hpp:17,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/date_time/time_clock.hpp:17,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/date_time/posix_time/posix_time_types.hpp:10,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/date_time/posix_time/time_formatters.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/date_time/posix_time/posix_time.hpp:24,
                 from r_tsdata.h:11:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/detail/shared_count.hpp:326:33: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  326 |     explicit shared_count( std::auto_ptr<Y> & r ): pi_( new sp_counted_impl_p<Y>( r.get() ) )
      |                                 ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:354:31: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  354 |     explicit shared_ptr( std::auto_ptr<Y> & r ): px(r.get()), pn()
      |                               ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:365:22: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  365 |     shared_ptr( std::auto_ptr<Y> && r ): px(r.get()), pn()
      |                      ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:423:34: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  423 |     shared_ptr & operator=( std::auto_ptr<Y> & r )
      |                                  ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:430:34: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  430 |     shared_ptr & operator=( std::auto_ptr<Y> && r )
      |                                  ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp: In member function ‘boost::shared_ptr<T>& boost::shared_ptr<T>::operator=(std::auto_ptr<_Up>&&)’:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/smart_ptr/shared_ptr.hpp:432:38: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
  432 |         this_type( static_cast< std::auto_ptr<Y> && >( r ) ).swap( *this );
      |                                      ^~~~~~~~
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c variable.cpp -o variable.o
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/arg.hpp:25,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/placeholders.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_facade.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range_core.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/as_literal.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/trim.hpp:19,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:19,
                 from helpers.h:6,
                 from array.h:3,
                 from variable.h:3,
                 from variable.cpp:2:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of ‘assert_arg’ [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of ‘assert_not_arg’ [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/bind/mem_fn.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mem_fn.hpp:22,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function/function_template.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/detail/find_iterator.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/find_iterator.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/iter_find.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/split.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:23:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/get_pointer.hpp:48:40: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      |                                        ^~~~~~~~
In file included from /usr/include/c++/14/memory:78,
                 from ldt_base.h:19,
                 from helpers.h:3:
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
g++-14 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c variables.cpp -o variables.o
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/aux_/na_assert.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/arg.hpp:25,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/placeholders.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_categories.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/iterator/iterator_facade.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range_core.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/iterator_range.hpp:13,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/range/as_literal.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/trim.hpp:19,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:19,
                 from helpers.h:6,
                 from array.h:3,
                 from variable.h:3,
                 from variables.cpp:2:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: warning: unnecessary parentheses in declaration of ‘assert_arg’ [-Wparentheses]
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:194:21: note: remove parentheses
  194 | failed ************ (Pred::************
      |                     ^~~~~~~~~~~~~~~~~~~
      |                     -
  195 |       assert_arg( void (*)(Pred), typename assert_arg_pred<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  196 |     );
      |     ~                
      |     -
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: warning: unnecessary parentheses in declaration of ‘assert_not_arg’ [-Wparentheses]
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mpl/assert.hpp:199:21: note: remove parentheses
  199 | failed ************ (boost::mpl::not_<Pred>::************
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     -
  200 |       assert_not_arg( void (*)(Pred), typename assert_arg_pred_not<Pred>::type )
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  201 |     );
      |     ~                
      |     -
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/bind/mem_fn.hpp:23,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/mem_fn.hpp:22,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function/function_template.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/function.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/detail/find_iterator.hpp:18,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/find_iterator.hpp:24,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/iter_find.hpp:27,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string/split.hpp:16,
                 from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/algorithm/string.hpp:23:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/BH/include/boost/get_pointer.hpp:48:40: warning: ‘template<class> class std::auto_ptr’ is deprecated: use 'std::unique_ptr' instead [-Wdeprecated-declarations]
   48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      |                                        ^~~~~~~~
In file included from /usr/include/c++/14/memory:78,
                 from ldt_base.h:19,
                 from helpers.h:3:
/usr/include/c++/14/bits/unique_ptr.h:59:28: note: declared here
   59 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
g++-14 -std=gnu++17 -shared -L/home/hornik/tmp/R.check/r-release-gcc/Work/build/lib -Wl,-O1 -o tdata.so RcppExports.o array.o f_base.o f_cross_section.o f_day_based.o f_list.o f_week_based.o f_year_based.o helpers.o r_convert.o r_frequency.o r_variable.o variable.o variables.o -fopenmp -llapack -L/home/hornik/tmp/R.check/r-release-gcc/Work/build/lib -lRblas -lgfortran -lm -lquadmath -L/home/hornik/tmp/R.check/r-release-gcc/Work/build/lib -lR
make[1]: Leaving directory '/home/hornik/tmp/scratch/RtmpObzmoJ/R.INSTALL185e5772160008/tdata/src'
make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpObzmoJ/R.INSTALL185e5772160008/tdata/src'
make[1]: Leaving directory '/home/hornik/tmp/scratch/RtmpObzmoJ/R.INSTALL185e5772160008/tdata/src'
installing to /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/00LOCK-tdata/00new/tdata/libs
** R
** data
*** moving datasets to lazyload DB
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (tdata)