diff options
Diffstat (limited to 'libstdc++-v3/acconfig.h')
| -rw-r--r-- | libstdc++-v3/acconfig.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/libstdc++-v3/acconfig.h b/libstdc++-v3/acconfig.h index 29ffd5e1125..3c79c8c92e5 100644 --- a/libstdc++-v3/acconfig.h +++ b/libstdc++-v3/acconfig.h @@ -12,6 +12,9 @@ // Include support for 'long long' and 'unsigned long long'. #undef _GLIBCPP_USE_LONG_LONG +// Define if code specialized for wchar_t should be used. +#undef _GLIBCPP_USE_C99 + // Include support for 'long double'. #undef _GLIBCPP_USE_LONG_DOUBLE @@ -30,16 +33,13 @@ // Define if you have the copysignf function. #undef _GLIBCPP_HAVE_COPYSIGNF -// Define if lldiv_t exists in stdlib.h. -#undef HAVE_LLDIV_T - -// Define if mbstate_t exists in wchar.h. */ +// Define if mbstate_t exists in wchar.h. #undef HAVE_MBSTATE_T -// Define if you have the modff function. */ +// Define if you have the modff function. #undef HAVE_MODFF -// Define if you have the modfl function. */ +// Define if you have the modfl function. #undef HAVE_MODFL // Define if the compiler/host combination has __builtin_abs @@ -99,6 +99,15 @@ // underscore, we'll handle those here. Must come after config.h.in. // +#if defined(_GLIBCPP_USE_C99) && defined(__cplusplus) +// Placeholder for declarations in c99 namespace. +namespace std +{ + namespace c99 { } + using namespace c99; +} +#endif + #if defined (HAVE__ISNAN) && ! defined (HAVE_ISNAN) # define HAVE_ISNAN 1 # define isnan _isnan |