--- old/pacemaker-1.1.7.ebuild  2012-08-30 13:58:34.000000000 +0200
+++ new/pacemaker-1.1.7.ebuild  2012-08-30 13:59:38.000000000 +0200
@@ -56,6 +56,7 @@
 src_configure() {
        local myopts=""
        use heartbeat || myopts="--with-ais"
+       use heartbeat && myopts="--without-corosync"
        # appends lib to localstatedir automatically
        econf \
                --localstatedir=/var \