diff options
| -rw-r--r-- | gcc/config/vxworks.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/config/vxworks.h b/gcc/config/vxworks.h index a89e3d6..f76141f 100644 --- a/gcc/config/vxworks.h +++ b/gcc/config/vxworks.h @@ -286,6 +286,12 @@ extern void vxworks_asm_out_destructor (rtx symbol, int priority); if (!flag_isoc99 && !c_dialect_cxx()) \ builtin_define ("_ALLOW_KEYWORD_MACROS"); \ } \ + /* C++ support relies on C99 features from C++11, even C++98 \ + for listdc++ in particular, with corresponding checks at \ + configure time. Make sure C99 features are exposed by the \ + system headers. */ \ + if (c_dialect_cxx()) \ + builtin_define("_C99"); \ } \ while (0) |