1 # intmax.m4 serial 2 (gettext-0.14.2) 2 dnl Copyright (C) 2002-2005 Free Software Foundation, Inc. 3 dnl This file is free software; the Free Software Foundation 4 dnl gives unlimited permission to copy and/or distribute it, 5 dnl with or without modifications, as long as this notice is preserved. 6 7 dnl From Bruno Haible. 8 dnl Test whether the system has the 'intmax_t' type, but don't attempt to 9 dnl find a replacement if it is lacking. 10 11 AC_DEFUN([gt_TYPE_INTMAX_T], 12 [ 13 AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) 14 AC_REQUIRE([gl_AC_HEADER_STDINT_H]) 15 AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t, 16 [AC_TRY_COMPILE([ 17 #include <stddef.h> 18 #include <stdlib.h> 19 #if HAVE_STDINT_H_WITH_UINTMAX 20 #include <stdint.h> 21 #endif 22 #if HAVE_INTTYPES_H_WITH_UINTMAX 23 #include <inttypes.h> 24 #endif 25 ], [intmax_t x = -1;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)]) 26 if test $gt_cv_c_intmax_t = yes; then 27 AC_DEFINE(HAVE_INTMAX_T, 1, 28 [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.]) 29 fi 30 ]) 31