| 1 | # intmax.m4 serial 1 (gettext-0.12)
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| 2 | dnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
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| 3 | dnl This file is free software, distributed under the terms of the GNU
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| 4 | dnl General Public License. As a special exception to the GNU General
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| 5 | dnl Public License, this file may be distributed as part of a program
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| 6 | dnl that contains a configuration script generated by Autoconf, under
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| 7 | dnl the same distribution terms as the rest of that program.
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| 8 |
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| 9 | dnl From Bruno Haible.
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| 10 | dnl Test whether the system has the 'intmax_t' type, but don't attempt to
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| 11 | dnl find a replacement if it is lacking.
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| 12 |
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| 13 | AC_DEFUN([gt_TYPE_INTMAX_T],
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| 14 | [
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| 15 | AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
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| 16 | AC_REQUIRE([jm_AC_HEADER_STDINT_H])
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| 17 | AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t,
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| 18 | [AC_TRY_COMPILE([
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| 19 | #include <stddef.h>
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| 20 | #include <stdlib.h>
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| 21 | #if HAVE_STDINT_H_WITH_UINTMAX
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| 22 | #include <stdint.h>
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| 23 | #endif
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| 24 | #if HAVE_INTTYPES_H_WITH_UINTMAX
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| 25 | #include <inttypes.h>
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| 26 | #endif
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| 27 | ], [intmax_t x = -1;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)])
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| 28 | if test $gt_cv_c_intmax_t = yes; then
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| 29 | AC_DEFINE(HAVE_INTMAX_T, 1,
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| 30 | [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
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| 31 | fi
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| 32 | ])
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