mirror of
https://git.savannah.gnu.org/git/gnulib.git
synced 2025-08-16 01:22:18 +03:00
a3fd683de3
* build-aux/gendocs.sh (version): * doc/gendocs_template: * doc/gendocs_template_min: * doc/gnulib.texi: * lib/version-etc.c (COPYRIGHT_YEAR): Update copyright dates by hand in templates and the like. * all files: Run 'make update-copyright'.
32 lines
1.0 KiB
Plaintext
32 lines
1.0 KiB
Plaintext
dnl Check whether limits.h has needed features.
|
|
|
|
dnl Copyright 2016-2017 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.
|
|
|
|
dnl From Paul Eggert.
|
|
|
|
AC_DEFUN_ONCE([gl_LIMITS_H],
|
|
[
|
|
gl_CHECK_NEXT_HEADERS([limits.h])
|
|
|
|
AC_CACHE_CHECK([whether limits.h has ULLONG_WIDTH etc.],
|
|
[gl_cv_header_limits_width],
|
|
[AC_COMPILE_IFELSE(
|
|
[AC_LANG_PROGRAM([[#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
|
|
#define __STDC_WANT_IEC_60559_BFP_EXT__ 1
|
|
#endif
|
|
#include <limits.h>
|
|
int ullw = ULLONG_WIDTH;]])],
|
|
[gl_cv_header_limits_width=yes],
|
|
[gl_cv_header_limits_width=no])])
|
|
if test "$gl_cv_header_limits_width" = yes; then
|
|
LIMITS_H=
|
|
else
|
|
LIMITS_H=limits.h
|
|
fi
|
|
AC_SUBST([LIMITS_H])
|
|
AM_CONDITIONAL([GL_GENERATE_LIMITS_H], [test -n "$LIMITS_H"])
|
|
])
|