From mboxrd@z Thu Jan  1 00:00:00 1970
From: Olaf Hering <olaf@aepfle.de>
Subject: libxen build warnings due to empty XML2_CONFIG or
	CURL_CONFIG
Date: Thu, 22 Nov 2012 14:56:03 +0100
Message-ID: <20121122135603.GA13807@aepfle.de>
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If XML2_CONFIG or CURL_CONFIG is empty, make in tools/libxen will print
an error 'make[3]: --cflags: Command not found'. I think a simple way to
fix this is:
shell test -n "$(XML2_CONFIG)" ; then $(XML2_CONFIG) --cflags ; fi

Olaf