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Diffstat (limited to 'macros/texinfo/texinfo/tp/Texinfo/XS/gnulib/m4/stdint.m4')
-rw-r--r--macros/texinfo/texinfo/tp/Texinfo/XS/gnulib/m4/stdint.m451
1 files changed, 20 insertions, 31 deletions
diff --git a/macros/texinfo/texinfo/tp/Texinfo/XS/gnulib/m4/stdint.m4 b/macros/texinfo/texinfo/tp/Texinfo/XS/gnulib/m4/stdint.m4
index 11d8e8e52d..a785b44ed1 100644
--- a/macros/texinfo/texinfo/tp/Texinfo/XS/gnulib/m4/stdint.m4
+++ b/macros/texinfo/texinfo/tp/Texinfo/XS/gnulib/m4/stdint.m4
@@ -1,5 +1,5 @@
-# stdint.m4 serial 53
-dnl Copyright (C) 2001-2019 Free Software Foundation, Inc.
+# stdint.m4 serial 58
+dnl Copyright (C) 2001-2021 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
@@ -17,21 +17,12 @@ AC_DEFUN_ONCE([gl_STDINT_H],
AC_REQUIRE([gl_LIMITS_H])
AC_REQUIRE([gt_TYPE_WINT_T])
- dnl Check for long long int and unsigned long long int.
- AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
- if test $ac_cv_type_long_long_int = yes; then
- HAVE_LONG_LONG_INT=1
- else
- HAVE_LONG_LONG_INT=0
- fi
- AC_SUBST([HAVE_LONG_LONG_INT])
- AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
- if test $ac_cv_type_unsigned_long_long_int = yes; then
- HAVE_UNSIGNED_LONG_LONG_INT=1
- else
- HAVE_UNSIGNED_LONG_LONG_INT=0
- fi
- AC_SUBST([HAVE_UNSIGNED_LONG_LONG_INT])
+ dnl For backward compatibility. Some packages may still be testing these
+ dnl macros.
+ AC_DEFINE([HAVE_LONG_LONG_INT], [1],
+ [Define to 1 if the system has the type 'long long int'.])
+ AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], [1],
+ [Define to 1 if the system has the type 'unsigned long long int'.])
dnl Check for <wchar.h>, in the same way as gl_WCHAR_H does.
AC_CHECK_HEADERS_ONCE([wchar.h])
@@ -43,7 +34,7 @@ AC_DEFUN_ONCE([gl_STDINT_H],
AC_SUBST([HAVE_WCHAR_H])
dnl Check for <inttypes.h>.
- dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_inttypes_h.
+ AC_CHECK_HEADERS_ONCE([inttypes.h])
if test $ac_cv_header_inttypes_h = yes; then
HAVE_INTTYPES_H=1
else
@@ -52,7 +43,7 @@ AC_DEFUN_ONCE([gl_STDINT_H],
AC_SUBST([HAVE_INTTYPES_H])
dnl Check for <sys/types.h>.
- dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_sys_types_h.
+ AC_CHECK_HEADERS_ONCE([sys/types.h])
if test $ac_cv_header_sys_types_h = yes; then
HAVE_SYS_TYPES_H=1
else
@@ -161,7 +152,7 @@ uintmax_t j = UINTMAX_MAX;
/* Check that SIZE_MAX has the correct type, if possible. */
#if 201112 <= __STDC_VERSION__
int k = _Generic (SIZE_MAX, size_t: 0);
-#elif (2 <= __GNUC__ || defined __IBM__TYPEOF__ \
+#elif (2 <= __GNUC__ || 4 <= __clang_major__ || defined __IBM__TYPEOF__ \
|| (0x5110 <= __SUNPRO_C && !__STDC__))
extern size_t k;
extern __typeof__ (SIZE_MAX) k;
@@ -311,9 +302,10 @@ static const char *macro_values[] =
HAVE_C99_STDINT_H=1
dnl Now see whether the system <stdint.h> works without
dnl __STDC_CONSTANT_MACROS/__STDC_LIMIT_MACROS defined.
- AC_CACHE_CHECK([whether stdint.h predates C++11],
- [gl_cv_header_stdint_predates_cxx11_h],
- [gl_cv_header_stdint_predates_cxx11_h=yes
+ dnl If not, there would be problems when stdint.h is included from C++.
+ AC_CACHE_CHECK([whether stdint.h works without ISO C predefines],
+ [gl_cv_header_stdint_without_STDC_macros],
+ [gl_cv_header_stdint_without_STDC_macros=no
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
@@ -324,13 +316,14 @@ gl_STDINT_INCLUDES
intmax_t im = INTMAX_MAX;
int32_t i32 = INT32_C (0x7fffffff);
]])],
- [gl_cv_header_stdint_predates_cxx11_h=no])])
+ [gl_cv_header_stdint_without_STDC_macros=yes])
+ ])
- if test "$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],
@@ -500,13 +493,9 @@ AC_DEFUN([gl_INTEGER_TYPE_SUFFIX],
dnl gl_STDINT_INCLUDES
AC_DEFUN([gl_STDINT_INCLUDES],
[[
- /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
- included before <wchar.h>. */
#include <stddef.h>
#include <signal.h>
#if HAVE_WCHAR_H
- # include <stdio.h>
- # include <time.h>
# include <wchar.h>
#endif
]])