REQUIRE_HEADER.m4
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REQUIRE_HEADER.m4
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	# REQUIRE_HEADER([HEADER])
	#
	# Error if a C header file can't be found
	#
	dnl
	dnl Copyright 2020 the Pacemaker project contributors
	dnl
	dnl The version control history for this file may have further details.
	dnl
	dnl This source code is licensed under the GNU General Public License version 2
	dnl or later (GPLv2+) WITHOUT ANY WARRANTY.

	dnl Usage: REQUIRE_HEADER(header-file, [prerequisite-includes])
	AC_DEFUN([REQUIRE_HEADER], [
	AC_CHECK_HEADERS([$1], [], [AC_MSG_ERROR(Could not find required C header $1)], [$2])
	])