--- ../gentoo/dev-java/lucene/lucene-2.4.0.ebuild	2009-04-05 10:08:24.000000000 +0200
+++ dev-java/lucene/lucene-2.4.0.ebuild	2009-06-15 09:18:26.000000000 +0200
@@ -23,6 +23,13 @@
 	test? ( dev-java/ant-junit =dev-java/junit-3* )"
 RDEPEND=">=virtual/jdk-1.4"
 
+src_unpack() {
+	unpack "${A}"
+	cd "${S}"
+
+	sed -i -e '/-Xmax/ d' common-build.xml
+}
+
 src_compile() {
 	# regenerate javacc files just because we can
 	# put javacc.jar on ant's classpath here even when <javacc> task