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| 1 | # stdint_h.m4 serial 5
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| 2 | dnl Copyright (C) 1997-2004 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 Paul Eggert.
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| 10 |
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| 11 | # Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
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| 12 | # doesn't clash with <sys/types.h>, and declares uintmax_t.
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| 13 |
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| 14 | AC_DEFUN([gl_AC_HEADER_STDINT_H],
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| 15 | [
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| 16 | AC_CACHE_CHECK([for stdint.h], gl_cv_header_stdint_h,
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| 17 | [AC_TRY_COMPILE(
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| 18 | [#include <sys/types.h>
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| 19 | #include <stdint.h>],
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| 20 | [uintmax_t i = (uintmax_t) -1;],
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| 21 | gl_cv_header_stdint_h=yes,
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| 22 | gl_cv_header_stdint_h=no)])
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| 23 | if test $gl_cv_header_stdint_h = yes; then
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| 24 | AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
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| 25 | [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
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| 26 | and declares uintmax_t. ])
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| 27 | fi
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| 28 | ])
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