27 lines
995 B
Text
27 lines
995 B
Text
# stdint_h.m4 serial 9
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dnl Copyright (C) 1997-2004, 2006, 2008-2023 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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# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
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# doesn't clash with <sys/types.h>, and declares uintmax_t.
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AC_DEFUN([gl_AC_HEADER_STDINT_H],
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[
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AC_CACHE_CHECK([for stdint.h], [gl_cv_header_stdint_h],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <sys/types.h>
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#include <stdint.h>]],
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[[uintmax_t i = (uintmax_t) -1; return !i;]])],
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[gl_cv_header_stdint_h=yes],
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[gl_cv_header_stdint_h=no])])
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if test $gl_cv_header_stdint_h = yes; then
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AC_DEFINE_UNQUOTED([HAVE_STDINT_H_WITH_UINTMAX], [1],
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[Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
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and declares uintmax_t. ])
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fi
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])
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