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31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
# uintmax_t.m4 serial 12
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dnl Copyright (C) 1997-2004, 2007-2017 Free Software Foundation, Inc.
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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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dnl From Paul Eggert.
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AC_PREREQ([2.13])
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# Define uintmax_t to 'unsigned long' or 'unsigned long long'
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# if it is not already defined in <stdint.h> or <inttypes.h>.
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AC_DEFUN([gl_AC_TYPE_UINTMAX_T],
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[
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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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if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then
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AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
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test $ac_cv_type_unsigned_long_long_int = yes \
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&& ac_type='unsigned long long' \
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|| ac_type='unsigned long'
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AC_DEFINE_UNQUOTED([uintmax_t], [$ac_type],
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[Define to unsigned long or unsigned long long
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if <stdint.h> and <inttypes.h> don't define.])
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else
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AC_DEFINE([HAVE_UINTMAX_T], [1],
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[Define if you have the 'uintmax_t' type in <stdint.h> or <inttypes.h>.])
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fi
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])
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