| # intmax.m4 serial 6 (gettext-0.18.2) |
| dnl Copyright (C) 2002-2005, 2008-2013 Free Software Foundation, Inc. |
| dnl This file is free software; the Free Software Foundation |
| dnl gives unlimited permission to copy and/or distribute it, |
| dnl with or without modifications, as long as this notice is preserved. |
| |
| dnl From Bruno Haible. |
| dnl Test whether the system has the 'intmax_t' type, but don't attempt to |
| dnl find a replacement if it is lacking. |
| |
| AC_DEFUN([gt_TYPE_INTMAX_T], |
| [ |
| AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) |
| AC_REQUIRE([gl_AC_HEADER_STDINT_H]) |
| AC_CACHE_CHECK([for intmax_t], [gt_cv_c_intmax_t], |
| [AC_COMPILE_IFELSE( |
| [AC_LANG_PROGRAM( |
| [[ |
| #include <stddef.h> |
| #include <stdlib.h> |
| #if HAVE_STDINT_H_WITH_UINTMAX |
| #include <stdint.h> |
| #endif |
| #if HAVE_INTTYPES_H_WITH_UINTMAX |
| #include <inttypes.h> |
| #endif |
| ]], |
| [[intmax_t x = -1; |
| return !x;]])], |
| [gt_cv_c_intmax_t=yes], |
| [gt_cv_c_intmax_t=no])]) |
| if test $gt_cv_c_intmax_t = yes; then |
| AC_DEFINE([HAVE_INTMAX_T], [1], |
| [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.]) |
| fi |
| ]) |
