1# intmax.m4 serial 6 (gettext-0.18.2)
2dnl Copyright (C) 2002-2005, 2008-2014 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7dnl From Bruno Haible.
8dnl Test whether the system has the 'intmax_t' type, but don't attempt to
9dnl find a replacement if it is lacking.
10
11AC_DEFUN([gt_TYPE_INTMAX_T],
12[
13  AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
14  AC_REQUIRE([gl_AC_HEADER_STDINT_H])
15  AC_CACHE_CHECK([for intmax_t], [gt_cv_c_intmax_t],
16    [AC_COMPILE_IFELSE(
17       [AC_LANG_PROGRAM(
18          [[
19#include <stddef.h>
20#include <stdlib.h>
21#if HAVE_STDINT_H_WITH_UINTMAX
22#include <stdint.h>
23#endif
24#if HAVE_INTTYPES_H_WITH_UINTMAX
25#include <inttypes.h>
26#endif
27          ]],
28          [[intmax_t x = -1;
29            return !x;]])],
30       [gt_cv_c_intmax_t=yes],
31       [gt_cv_c_intmax_t=no])])
32  if test $gt_cv_c_intmax_t = yes; then
33    AC_DEFINE([HAVE_INTMAX_T], [1],
34      [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
35  fi
36])
37