config/uintmax_t.m4

   1 # uintmax_t.m4 serial 7 (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 AC_PREREQ(2.13)
  12
  13 # Define uintmax_t to 'unsigned long' or 'unsigned long long'
  14 # if it is not already defined in <stdint.h> or <inttypes.h>.
  15
  16 AC_DEFUN([jm_AC_TYPE_UINTMAX_T],
  17 [
  18   AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
  19   AC_REQUIRE([jm_AC_HEADER_STDINT_H])
  20   if test $jm_ac_cv_header_inttypes_h = no && test $jm_ac_cv_header_stdint_h = no; then
  21     AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
  22     test $ac_cv_type_unsigned_long_long = yes \
  23       && ac_type='unsigned long long' \
  24       || ac_type='unsigned long'
  25     AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
  26       [Define to unsigned long or unsigned long long
  27        if <stdint.h> and <inttypes.h> don't define.])
  28   else
  29     AC_DEFINE(HAVE_UINTMAX_T, 1,
  30       [Define if you have the 'uintmax_t' type in <stdint.h> or <inttypes.h>.])
  31   fi
  32 ])