1 # intmax.m4 serial 1 (gettext-0.12) 2 dnl Copyright (C) 2002-2003 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 Bruno Haible. 10 dnl Test whether the system has the 'intmax_t' type, but don't attempt to 11 dnl find a replacement if it is lacking. 12 13 AC_DEFUN([gt_TYPE_INTMAX_T], 14 [ 15 AC_REQUIRE([jm_AC_HEADER_INTTYPES_H]) 16 AC_REQUIRE([jm_AC_HEADER_STDINT_H]) 17 AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t, 18 [AC_TRY_COMPILE([ 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 ], [intmax_t x = -1;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)]) 28 if test $gt_cv_c_intmax_t = yes; then 29 AC_DEFINE(HAVE_INTMAX_T, 1, 30 [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.]) 31 fi 32 ]) 33