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| author | Paul Eggert <eggert@cs.ucla.edu> | 2016-04-03 23:12:04 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2016-04-03 23:12:29 -0700 |
| commit | f501116ea896b20f195f5c841e8770d7fe0418b9 (patch) | |
| tree | acba39c6874e999c1b914838bf0bd2b60ec13e25 /lib/stddef.in.h | |
| parent | c4963f9a905bf15740aa7e3ebf85af917f17be15 (diff) | |
| download | emacs-f501116ea896b20f195f5c841e8770d7fe0418b9.tar.gz | |
Sync with gnulib
This incorporates:
2016-04-03 stdint: detect good enough pre-C++11 stdint.h in C++ mode
2016-04-01 stddef: support configuring with g++
* doc/misc/texinfo.tex, lib/stddef.in.h, m4/stdint.m4:
Copy from gnulib.
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 c6d2317ca2d..f4c4a1070d5 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 |