2012-12-14 16:08:23 +01:00
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# intmax.m4 serial 5 (gettext-0.18)
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dnl Copyright (C) 2002-2005, 2008-2010 Free Software Foundation, Inc.
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2007-10-23 10:48:09 +00:00
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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2004-07-27 15:12:00 +00:00
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dnl From Bruno Haible.
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dnl Test whether the system has the 'intmax_t' type, but don't attempt to
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dnl find a replacement if it is lacking.
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AC_DEFUN([gt_TYPE_INTMAX_T],
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[
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2007-10-23 10:48:09 +00:00
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AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
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AC_REQUIRE([gl_AC_HEADER_STDINT_H])
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2012-12-14 16:08:23 +01:00
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AC_CACHE_CHECK([for intmax_t], [gt_cv_c_intmax_t],
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2004-07-27 15:12:00 +00:00
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[AC_TRY_COMPILE([
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2007-10-23 10:48:09 +00:00
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#include <stddef.h>
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2004-07-27 15:12:00 +00:00
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#include <stdlib.h>
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#if HAVE_STDINT_H_WITH_UINTMAX
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#include <stdint.h>
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#endif
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#if HAVE_INTTYPES_H_WITH_UINTMAX
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#include <inttypes.h>
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#endif
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2007-10-23 10:48:09 +00:00
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], [intmax_t x = -1;
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return !x;],
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2012-12-14 16:08:23 +01:00
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[gt_cv_c_intmax_t=yes],
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[gt_cv_c_intmax_t=no])])
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2004-07-27 15:12:00 +00:00
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if test $gt_cv_c_intmax_t = yes; then
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2012-12-14 16:08:23 +01:00
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AC_DEFINE([HAVE_INTMAX_T], [1],
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2004-07-27 15:12:00 +00:00
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[Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
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fi
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])
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