Found the following significant warnings:
  rvtools.c:280:8: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
See '/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/Bmix.Rcheck/00install.out' for details.
Found the following significant warnings:
  rvtools.c:280:8: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
See ‘/data/gannet/ripley/R/packages/tests-clang/Bmix.Rcheck/00install.out’ for details.
File ‘Bmix/libs/Bmix.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
File ‘Bmix/libs/Bmix.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.

Found the following significant warnings:
  decline_interface.cpp:34:8: warning: use of bitwise '|' with boolean operands [-Wbitwise-instead-of-logical]
See '/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/Rdca.Rcheck/00install.out' for details.
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Found the following significant warnings:
  decline_interface.cpp:34:8: warning: use of bitwise '|' with boolean operands [-Wbitwise-instead-of-logical]
See ‘/data/gannet/ripley/R/packages/tests-clang/Rdca.Rcheck/00install.out’ for details.
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory