* installing *source* package ‘gdm’ ...
** this is package ‘gdm’ version ‘1.6.0-6’
** package ‘gdm’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘clang version 20.1.0-rc2’
using C++ compiler: ‘clang version 20.1.0-rc2’
make[1]: Entering directory '/data/gannet/ripley/R/packages/tests-clang/gdm/src'
/usr/local/clang20/bin/clang++ -stdlib=libc++ -std=gnu++17 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG  -I'/data/gannet/ripley/R/test-clang/Rcpp/include' -isystem /usr/local/clang20/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c Gdmlib.cpp -o Gdmlib.o
Gdmlib.cpp:44:1: error: redefinition of a 'extern inline' function 'strlcat' is not supported in C++
   44 | strlcat(char       *dst,        /* O - Destination string */
      | ^
/usr/include/bits/string_fortified.h:167:8: note: previous definition is here
  167 | __NTH (strlcat (char *__restrict __dest, const char *__restrict __src,
      |        ^
Gdmlib.cpp:88:1: error: redefinition of a 'extern inline' function 'strlcpy' is not supported in C++
   88 | strlcpy(char       *dst,        /* O - Destination string */
      | ^
/usr/include/bits/string_fortified.h:150:8: note: previous definition is here
  150 | __NTH (strlcpy (char *__restrict __dest, const char *__restrict __src,
      |        ^
2 errors generated.
make[1]: *** [/data/gannet/ripley/R/R-clang/etc/Makeconf:208: Gdmlib.o] Error 1
/usr/local/clang20/bin/clang++ -stdlib=libc++ -std=gnu++17 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG  -I'/data/gannet/ripley/R/test-clang/Rcpp/include' -isystem /usr/local/clang20/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c Message.cpp -o Message.o
/usr/local/clang20/bin/clang++ -stdlib=libc++ -std=gnu++17 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG  -I'/data/gannet/ripley/R/test-clang/Rcpp/include' -isystem /usr/local/clang20/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c NNLSDoubleCore.cpp -o NNLSDoubleCore.o
/usr/local/clang20/bin/clang++ -stdlib=libc++ -std=gnu++17 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG  -I'/data/gannet/ripley/R/test-clang/Rcpp/include' -isystem /usr/local/clang20/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c NNLS_Double.cpp -o NNLS_Double.o
/usr/local/clang20/bin/clang++ -stdlib=libc++ -std=gnu++17 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG  -I'/data/gannet/ripley/R/test-clang/Rcpp/include' -isystem /usr/local/clang20/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c dllmain.cpp -o dllmain.o
/usr/local/clang20/bin/clang -std=gnu23 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG  -I'/data/gannet/ripley/R/test-clang/Rcpp/include' -isystem /usr/local/clang20/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -Wp,-D_FORTIFY_SOURCE=3  -c registerDynamicSymbol.c -o registerDynamicSymbol.o
/usr/local/clang20/bin/clang++ -stdlib=libc++ -std=gnu++17 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG  -I'/data/gannet/ripley/R/test-clang/Rcpp/include' -isystem /usr/local/clang20/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw   -c stdafx.cpp -o stdafx.o
make[1]: Target 'all' not remade because of errors.
make[1]: Leaving directory '/data/gannet/ripley/R/packages/tests-clang/gdm/src'
ERROR: compilation failed for package ‘gdm’
* removing ‘/data/gannet/ripley/R/packages/tests-clang/gdm.Rcheck/gdm’