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| author | Paul Eggert <eggert@cs.ucla.edu> | 2020-09-05 17:48:45 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2020-09-05 17:51:25 -0700 |
| commit | 2bba9cd409ce4b53639328e17da81db8dbda72c7 (patch) | |
| tree | 410719d8bc3e23ea9140f71d81b8b4b7024ea339 /m4/stdint.m4 | |
| parent | 2c1d8397788c1385debef514c59a6461b2e5408e (diff) | |
| download | emacs-2bba9cd409ce4b53639328e17da81db8dbda72c7.tar.gz emacs-2bba9cd409ce4b53639328e17da81db8dbda72c7.tar.bz2 emacs-2bba9cd409ce4b53639328e17da81db8dbda72c7.zip | |
Update from Gnulib
This incorporates:
2020-09-05 verify: avoid __builtin_assume
2020-08-30 strerrorname_np: New module
2020-08-26 include_next, stdint, time_rz: Change configure message
* lib/gnulib.mk.in: Regenerate.
* lib/string.in.h, lib/verify.h, m4/include_next.m4, m4/stdint.m4:
* m4/string_h.m4, m4/time_rz.m4: Copy from Gnulib.
Diffstat (limited to 'm4/stdint.m4')
| -rw-r--r-- | m4/stdint.m4 | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/m4/stdint.m4 b/m4/stdint.m4 index e0fa8a51fb3..d5f5d6133a9 100644 --- a/m4/stdint.m4 +++ b/m4/stdint.m4 @@ -1,4 +1,4 @@ -# stdint.m4 serial 55 +# stdint.m4 serial 56 dnl Copyright (C) 2001-2020 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -302,9 +302,10 @@ static const char *macro_values[] = HAVE_C99_STDINT_H=1 dnl Now see whether the system <stdint.h> works without dnl __STDC_CONSTANT_MACROS/__STDC_LIMIT_MACROS defined. - AC_CACHE_CHECK([whether stdint.h predates C++11], - [gl_cv_header_stdint_predates_cxx11_h], - [gl_cv_header_stdint_predates_cxx11_h=yes + dnl If not, there would be problems when stdint.h is included from C++. + AC_CACHE_CHECK([whether stdint.h works without ISO C predefines], + [gl_cv_header_stdint_without_STDC_macros], + [gl_cv_header_stdint_without_STDC_macros=no AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ @@ -315,13 +316,14 @@ gl_STDINT_INCLUDES intmax_t im = INTMAX_MAX; int32_t i32 = INT32_C (0x7fffffff); ]])], - [gl_cv_header_stdint_predates_cxx11_h=no])]) + [gl_cv_header_stdint_without_STDC_macros=yes]) + ]) - if test "$gl_cv_header_stdint_predates_cxx11_h" = yes; then + if test $gl_cv_header_stdint_without_STDC_macros = no; then AC_DEFINE([__STDC_CONSTANT_MACROS], [1], - [Define to 1 if the system <stdint.h> predates C++11.]) + [Define to 1 if the system <stdint.h> predates C++11.]) AC_DEFINE([__STDC_LIMIT_MACROS], [1], - [Define to 1 if the system <stdint.h> predates C++11.]) + [Define to 1 if the system <stdint.h> predates C++11.]) fi AC_CACHE_CHECK([whether stdint.h has UINTMAX_WIDTH etc.], [gl_cv_header_stdint_width], |