config/stdint_h.m4

   1 # stdint_h.m4 serial 3 (gettext-0.12)
   2 dnl Copyright (C) 1997-2003 Free Software Foundation, Inc.
   3 dnl This file is free software, distributed under the terms of the GNU
   4 dnl General Public License.  As a special exception to the GNU General
   5 dnl Public License, this file may be distributed as part of a program
   6 dnl that contains a configuration script generated by Autoconf, under
   7 dnl the same distribution terms as the rest of that program.
   8
   9 dnl From Paul Eggert.
  10
  11 # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
  12 # doesn't clash with <sys/types.h>, and declares uintmax_t.
  13
  14 AC_DEFUN([jm_AC_HEADER_STDINT_H],
  15 [
  16   AC_CACHE_CHECK([for stdint.h], jm_ac_cv_header_stdint_h,
  17   [AC_TRY_COMPILE(
  18     [#include <sys/types.h>
  19 #include <stdint.h>],
  20     [uintmax_t i = (uintmax_t) -1;],
  21     jm_ac_cv_header_stdint_h=yes,
  22     jm_ac_cv_header_stdint_h=no)])
  23   if test $jm_ac_cv_header_stdint_h = yes; then
  24     AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
  25       [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
  26        and declares uintmax_t. ])
  27   fi
  28 ])