Hi, add common defines _REENTRANT and _POSIX_SOURCE for bfin. Patch is used in Buildroot for a while to fix issues compiling some software. See here, why this should be always enabled: https://lists.gnu.org/archive/html/autoconf-archive-maintainers/2016-06/msg00001.html
2016-11-29 Waldemar Brodkorb <w...@openadk.org> gcc/ * gcc/config/bfin/linux.h: add common CPP_SPEC. diff --git a/gcc/config/bfin/linux.h b/gcc/config/bfin/linux.h index c02ff44..0922493 100644 --- a/gcc/config/bfin/linux.h +++ b/gcc/config/bfin/linux.h @@ -38,6 +38,9 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see "%{static:--start-group} %{mfast-fp:-lbffastfp} %G %L %{static:--end-group} \ %{!static:%{mfast-fp:-lbffastfp} %G}" +#undef CPP_SPEC +#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" + #undef LINK_SPEC #define LINK_SPEC "\ %{mfdpic: -m elf32bfinfd -z text} %{shared} %{pie} \