--- /dev/null
+diff -Naur a/build.xml b/build.xml
+--- a/build.xml 2016-06-14 19:48:01.000000000 +0100
++++ b/build.xml 2016-12-22 22:41:41.988262564 +0000
+@@ -27,6 +27,10 @@
+ xmlns:u="http://freemarker.org/util"
+ >
+
++ <path id="gentoo.classpath">
++ <pathelement path="${gentoo.classpath}/"/>
++ </path>
++
+ <!-- ================================================================== -->
+ <!-- Properties -->
+ <!-- ================================================================== -->
+@@ -143,13 +147,11 @@
+ />
+
+ <mkdir dir="${_javaccOutputDir}" />
+- <ivy:retrieve conf="parser" pattern="build/javacc-home.tmp/[artifact].[ext]" />
+ <javacc:generate
+ target="src/main/javacc/FTL.jj"
+ outputdirectory="${_javaccOutputDir}"
+ javacchome="build/javacc-home.tmp"
+ />
+- <delete dir="build/javacc-home.tmp" />
+
+ <replace
+ file="${_javaccOutputDir}/FMParser.java"
+@@ -271,6 +273,7 @@
+ verify="yes" stubversion="1.2"
+ />
+
++<!--
+ <ivy:cachepath conf="build.jsp2.0" pathid="ivy.dep.jsp2.0" />
+ <javac srcdir="build/src-main-java-filtered" destdir="build/classes" deprecation="off"
+ debug="on" optimize="off" target="1.5" source="1.5" encoding="utf-8"
+@@ -286,6 +289,7 @@
+ freemarker/ext/jsp/FreeMarkerJspFactory21.java,
+ freemarker/ext/jsp/FreeMarkerJspApplicationContext.java"
+ />
++!-->
+
+ <!-- There's no build.jsp2.0, as those classes are part of the common build subset. -->
+
+@@ -301,6 +305,7 @@
+ freemarker/ext/jsp/FreeMarkerJspApplicationContext.java"
+ />
+
++<!--
+ <ivy:cachepath conf="build.jython2.0" pathid="ivy.dep.jython2.0" />
+ <javac srcdir="build/src-main-java-filtered" destdir="build/classes" deprecation="off"
+ debug="on" optimize="off" target="1.5" source="1.5" encoding="utf-8"
+@@ -325,6 +330,7 @@
+ includes="
+ freemarker/ext/jython/_Jython22VersionAdapter.java"
+ />
++!-->
+
+ <ivy:cachepath conf="build.jython2.5" pathid="ivy.dep.jython2.5" />
+ <javac srcdir="build/src-main-java-filtered" destdir="build/classes" deprecation="off"
--- /dev/null
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+MY_PN="incubator-${PN}"
+JAVA_PKG_IUSE="doc source"
+
+inherit java-pkg-2 java-ant-2
+
+DESCRIPTION="A Java tool to generate text output based on templates"
+HOMEPAGE="http://freemarker.org/"
+SRC_URI="https://github.com/apache/${MY_PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+LICENSE="Apache-2.0"
+SLOT="2.3"
+KEYWORDS="~amd64 ~x86"
+
+CP_DEPEND="dev-java/avalon-logkit:2.0
+ dev-java/commons-logging:0
+ dev-java/dom4j:1
+ dev-java/jaxen:1.1
+ dev-java/jython:2.7
+ dev-java/log4j:0
+ dev-java/rhino:1.6
+ dev-java/slf4j-api:0
+ dev-java/xalan:0
+ java-virtuals/servlet-api:2.5"
+
+RDEPEND="${CP_DEPEND}
+ >=virtual/jre-1.7"
+
+DEPEND="${CP_DEPEND}
+ >=virtual/jdk-1.7
+ dev-java/javacc:0"
+
+S="${WORKDIR}/${MY_PN}-${PV}"
+
+PATCHES=(
+ "${FILESDIR}"/build.xml.patch
+)
+
+EANT_BUILD_TARGET="compile"
+EANT_EXTRA_ARGS="-Ddeps.available=true"
+JAVA_ANT_REWRITE_CLASSPATH="true"
+
+src_prepare() {
+ default
+
+ rm -rv \
+ src/main/java/freemarker/ext/jdom \
+ src/main/java/freemarker/ext/xml/_JdomNavigator.java \
+ src/main/java/freemarker/ext/beans/JRebelClassChangeNotifier.java || die
+
+ sed -i \
+ -e '/<ivy:cachepath/d' \
+ -e 's/"ivy\.dep[^"]*"/"gentoo.classpath"/g' \
+ -e "s:javacchome=\"[^\"]*\":javacchome=\"${EROOT}usr/share/javacc/lib\":g" \
+ build.xml || die
+
+ java-pkg-2_src_prepare
+}
+
+src_install() {
+ jar cf ${PN}.jar -C build/classes . || die
+ java-pkg_dojar ${PN}.jar
+
+ dodoc README
+ use doc && java-pkg_dojavadoc build/api
+}