| 1 | # uintmax_t.m4 serial 9
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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 | AC_PREREQ(2.13)
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| 12 |
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| 13 | # Define uintmax_t to 'unsigned long' or 'unsigned long long'
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| 14 | # if it is not already defined in <stdint.h> or <inttypes.h>.
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| 15 |
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| 16 | AC_DEFUN([gl_AC_TYPE_UINTMAX_T],
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| 17 | [
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| 18 | AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
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| 19 | AC_REQUIRE([gl_AC_HEADER_STDINT_H])
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| 20 | if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then
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| 21 | AC_REQUIRE([gl_AC_TYPE_UNSIGNED_LONG_LONG])
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| 22 | test $ac_cv_type_unsigned_long_long = yes \
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| 23 | && ac_type='unsigned long long' \
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| 24 | || ac_type='unsigned long'
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| 25 | AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
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| 26 | [Define to unsigned long or unsigned long long
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| 27 | if <stdint.h> and <inttypes.h> don't define.])
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| 28 | else
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| 29 | AC_DEFINE(HAVE_UINTMAX_T, 1,
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| 30 | [Define if you have the 'uintmax_t' type in <stdint.h> or <inttypes.h>.])
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| 31 | fi
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| 32 | ])
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