diff options
Diffstat (limited to 'lib/stddef.in.h')
| -rw-r--r-- | lib/stddef.in.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/stddef.in.h b/lib/stddef.in.h index c6d2317ca2..f4c4a1070d 100644 --- a/lib/stddef.in.h +++ b/lib/stddef.in.h @@ -81,8 +81,10 @@ # define wchar_t int #endif -/* Some platforms lack max_align_t. */ -#if !@HAVE_MAX_ALIGN_T@ +/* Some platforms lack max_align_t. The check for _GCC_MAX_ALIGN_T is + a hack in case the configure-time test was done with g++ even though + we are currently compiling with gcc. */ +#if ! (@HAVE_MAX_ALIGN_T@ || defined _GCC_MAX_ALIGN_T) /* On the x86, the maximum storage alignment of double, long, etc. is 4, but GCC's C11 ABI for x86 says that max_align_t has an alignment of 8, and the C11 standard allows this. Work around this problem by |