fcntl_h.m4
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fcntl_h.m4
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	# serial 13
	# Configure fcntl.h.
	dnl Copyright (C) 2006-2007, 2009-2011 Free Software Foundation, Inc.
	dnl This file is free software; the Free Software Foundation
	dnl gives unlimited permission to copy and/or distribute it,
	dnl with or without modifications, as long as this notice is preserved.

	dnl Written by Paul Eggert.

	AC_DEFUN([gl_FCNTL_H],
	[
	AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
	AC_REQUIRE([gl_FCNTL_O_FLAGS])
	gl_NEXT_HEADERS([fcntl.h])

	dnl Check for declarations of anything we want to poison if the
	dnl corresponding gnulib module is not in use, if it is not common
	dnl enough to be declared everywhere.
	gl_WARN_ON_USE_PREPARE([[#include <fcntl.h>
	]], [fcntl openat])
	])

	AC_DEFUN([gl_FCNTL_MODULE_INDICATOR],
	[
	dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
	AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
	gl_MODULE_INDICATOR_SET_VARIABLE([$1])
	dnl Define it also as a C macro, for the benefit of the unit tests.
	gl_MODULE_INDICATOR_FOR_TESTS([$1])
	])

	AC_DEFUN([gl_FCNTL_H_DEFAULTS],
	[
	GNULIB_FCNTL=0; AC_SUBST([GNULIB_FCNTL])
	GNULIB_NONBLOCKING=0; AC_SUBST([GNULIB_NONBLOCKING])
	GNULIB_OPEN=0; AC_SUBST([GNULIB_OPEN])
	GNULIB_OPENAT=0; AC_SUBST([GNULIB_OPENAT])
	dnl Assume proper GNU behavior unless another module says otherwise.
	HAVE_FCNTL=1; AC_SUBST([HAVE_FCNTL])
	HAVE_OPENAT=1; AC_SUBST([HAVE_OPENAT])
	REPLACE_FCNTL=0; AC_SUBST([REPLACE_FCNTL])
	REPLACE_OPEN=0; AC_SUBST([REPLACE_OPEN])
	REPLACE_OPENAT=0; AC_SUBST([REPLACE_OPENAT])
	])