--- /dev/null
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+JAVA_PKG_IUSE="source doc"
+
+inherit java-pkg-2 java-ant-2 eutils
+
+DESCRIPTION="A set of Open Source Libraries for High Performance Scientific and Technical Computing in Java"
+SRC_URI="http://dsd.lbl.gov/~hoschek/colt-download/releases/${P}.tar.gz"
+HOMEPAGE="http://www-itg.lbl.gov/~hoschek/colt/"
+
+LICENSE="colt"
+IUSE=""
+SLOT="0"
+KEYWORDS="amd64 ppc ppc64 x86"
+
+DEPEND=">=virtual/jdk-1.4
+ >=dev-java/concurrent-util-1.3.4:0"
+RDEPEND=">=virtual/jre-1.4
+ >=dev-java/concurrent-util-1.3.4:0"
+
+S="${WORKDIR}/${PN}"
+
+EANT_BUILD_TARGET="javac jar"
+JAVA_ANT_REWRITE_CLASSPATH="true"
+EANT_GENTOO_CLASSPATH="concurrent-util"
+
+java_prepare() {
+ find "${S}" -iname '*.jar' -delete || die
+
+ epatch "${FILESDIR}/${P}-benchmark-no-deprecation.patch"
+}
+
+src_install() {
+ java-pkg_dojar lib/${PN}.jar
+
+ dohtml README.html || die
+ use doc && java-pkg_dojavadoc doc/api
+ use source && java-pkg_dosrc src/*
+}