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Sync with gnulib

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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.
This commit is contained in:
Paul Eggert 2016-04-03 23:12:04 -07:00
parent c4963f9a90
commit f501116ea8
3 changed files with 105 additions and 8 deletions
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6
lib/stddef.in.h
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@ -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