1*a1acfa9bSespie# intmax.m4 serial 2 2*a1acfa9bSespiednl Copyright (C) 2002-2004 Free Software Foundation, Inc. 3*a1acfa9bSespiednl This file is free software, distributed under the terms of the GNU 4*a1acfa9bSespiednl General Public License. As a special exception to the GNU General 5*a1acfa9bSespiednl Public License, this file may be distributed as part of a program 6*a1acfa9bSespiednl that contains a configuration script generated by Autoconf, under 7*a1acfa9bSespiednl the same distribution terms as the rest of that program. 8*a1acfa9bSespie 9*a1acfa9bSespiednl From Bruno Haible. 10*a1acfa9bSespiednl Test whether the system has the 'intmax_t' type, but don't attempt to 11*a1acfa9bSespiednl find a replacement if it is lacking. 12*a1acfa9bSespie 13*a1acfa9bSespieAC_DEFUN([gt_TYPE_INTMAX_T], 14*a1acfa9bSespie[ 15*a1acfa9bSespie AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) 16*a1acfa9bSespie AC_REQUIRE([gl_AC_HEADER_STDINT_H]) 17*a1acfa9bSespie AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t, 18*a1acfa9bSespie [AC_TRY_COMPILE([ 19*a1acfa9bSespie#include <stddef.h> 20*a1acfa9bSespie#include <stdlib.h> 21*a1acfa9bSespie#if HAVE_STDINT_H_WITH_UINTMAX 22*a1acfa9bSespie#include <stdint.h> 23*a1acfa9bSespie#endif 24*a1acfa9bSespie#if HAVE_INTTYPES_H_WITH_UINTMAX 25*a1acfa9bSespie#include <inttypes.h> 26*a1acfa9bSespie#endif 27*a1acfa9bSespie], [intmax_t x = -1;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)]) 28*a1acfa9bSespie if test $gt_cv_c_intmax_t = yes; then 29*a1acfa9bSespie AC_DEFINE(HAVE_INTMAX_T, 1, 30*a1acfa9bSespie [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.]) 31*a1acfa9bSespie fi 32*a1acfa9bSespie]) 33