+2020-08-26 Bruno Haible <bruno@clisp.org>
+
+ stdint: Change configure message.
+ * m4/stdint.m4 (gl_STDINT_H): Say "checking whether stdint.h works
+ without ISO C predefines..." instead of "checking whether stdint.h
+ predates C++11...".
+
2020-08-26 Bruno Haible <bruno@clisp.org>
socketlib: Change configure message.
-# 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,
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 */
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],