diff options
Diffstat (limited to 'internal.h')
-rw-r--r-- | internal.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/internal.h b/internal.h index b4bd9a937e..b51b49ee77 100644 --- a/internal.h +++ b/internal.h @@ -73,7 +73,15 @@ extern "C" { (__GNUC__ == (major) && __GNUC_MINOR__ > (minor)) || \ (__GNUC__ == (major) && __GNUC_MINOR__ == (minor) && __GNUC_PATCHLEVEL__ >= (patchlevel)))) -#if GCC_VERSION_SINCE(4, 6, 0) +#ifndef __has_feature +# define __has_feature(x) 0 +#endif + +#ifndef __has_extension +# define __has_extension __has_feature +#endif + +#if GCC_VERSION_SINCE(4, 6, 0) || __has_extension(c_static_assert) # define STATIC_ASSERT(name, expr) _Static_assert(expr, #name ": " #expr) #else # define STATIC_ASSERT(name, expr) typedef int static_assert_##name##_check[1 - 2*!(expr)] |