path: root/m4/stdint_h.m4

# stdint_h.m4 serial 3 (gettext-0.12)
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.

dnl From Paul Eggert.

# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
# doesn't clash with <sys/types.h>, and declares uintmax_t.

AC_DEFUN([jm_AC_HEADER_STDINT_H],
[
  AC_CACHE_CHECK([for stdint.h], jm_ac_cv_header_stdint_h,
  [AC_TRY_COMPILE(
    [#include <sys/types.h>
#include <stdint.h>],
    [uintmax_t i = (uintmax_t) -1;],
    jm_ac_cv_header_stdint_h=yes,
    jm_ac_cv_header_stdint_h=no)])
  if test $jm_ac_cv_header_stdint_h = yes; then
    AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
      [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
       and declares uintmax_t. ])
  fi
])