-# intmax_t.m4 serial 2
-dnl Copyright (C) 1997-2003 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License. As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+# intmax_t.m4 serial 8
+dnl Copyright (C) 1997-2004, 2006-2007, 2009-2013 Free Software Foundation,
+dnl 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_PREREQ(2.13)
+AC_PREREQ([2.53])
# Define intmax_t to 'long' or 'long long'
# if it is not already defined in <stdint.h> or <inttypes.h>.
-AC_DEFUN([jm_AC_TYPE_INTMAX_T],
+AC_DEFUN([gl_AC_TYPE_INTMAX_T],
[
dnl For simplicity, we assume that a header file defines 'intmax_t' if and
dnl only if it defines 'uintmax_t'.
- AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
- AC_REQUIRE([jm_AC_HEADER_STDINT_H])
- if test $jm_ac_cv_header_inttypes_h = no && test $jm_ac_cv_header_stdint_h = no; then
- AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
- test $ac_cv_type_long_long = yes \
+ AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
+ AC_REQUIRE([gl_AC_HEADER_STDINT_H])
+ if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then
+ AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
+ test $ac_cv_type_long_long_int = yes \
&& ac_type='long long' \
|| ac_type='long'
- AC_DEFINE_UNQUOTED(intmax_t, $ac_type,
+ AC_DEFINE_UNQUOTED([intmax_t], [$ac_type],
[Define to long or long long if <inttypes.h> and <stdint.h> don't define.])
else
- AC_DEFINE(HAVE_INTMAX_T, 1,
+ AC_DEFINE([HAVE_INTMAX_T], [1],
[Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
fi
])
AC_DEFUN([gt_AC_TYPE_INTMAX_T],
[
- AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
- AC_REQUIRE([jm_AC_HEADER_STDINT_H])
- AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t,
- [AC_TRY_COMPILE([
+ AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
+ AC_REQUIRE([gl_AC_HEADER_STDINT_H])
+ AC_CACHE_CHECK([for intmax_t], [gt_cv_c_intmax_t],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
#include <stddef.h>
#include <stdlib.h>
#if HAVE_STDINT_H_WITH_UINTMAX
#if HAVE_INTTYPES_H_WITH_UINTMAX
#include <inttypes.h>
#endif
-], [intmax_t x = -1;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)])
+ ]],
+ [[intmax_t x = -1; return !x;]])],
+ [gt_cv_c_intmax_t=yes],
+ [gt_cv_c_intmax_t=no])])
if test $gt_cv_c_intmax_t = yes; then
- AC_DEFINE(HAVE_INTMAX_T, 1,
+ AC_DEFINE([HAVE_INTMAX_T], [1],
[Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
else
- AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
- test $ac_cv_type_long_long = yes \
+ AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
+ test $ac_cv_type_long_long_int = yes \
&& ac_type='long long' \
|| ac_type='long'
- AC_DEFINE_UNQUOTED(intmax_t, $ac_type,
+ AC_DEFINE_UNQUOTED([intmax_t], [$ac_type],
[Define to long or long long if <stdint.h> and <inttypes.h> don't define.])
fi
])