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- # intmax.m4 serial 5 (gettext-0.18)
- dnl Copyright (C) 2002-2005, 2008, 2009 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_TRY_COMPILE([
- #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
- ])
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