Install this version:
emerge -a =dev-java/mchange-commons-0.2.20-r1If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-java/mchange-commons-0.2.20-r1Or alternatively:
emerge --autounmask-write -a =dev-java/mchange-commons-0.2.20-r1# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=9
JAVA_PKG_IUSE="doc source"
# JAVA_TESTING_FRAMEWORKS=""
MAVEN_ID="com.mchange:mchange-commons-java:0.2.20"
inherit java-pkg-2 java-pkg-simple
DESCRIPTION="a library of arguably useful Java utilities"
HOMEPAGE="https://github.com/swaldman/mchange-commons-java"
SRC_URI="https://github.com/swaldman/${PN}-java/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
S="${WORKDIR}/mchange-commons-java-${PV}"
LICENSE="EPL-1.0 LGPL-2.1"
SLOT="0"
KEYWORDS="~amd64 ~ppc64"
CP_DEPEND="
>=dev-java/log4j-api-2.25.2:0
>=dev-java/log4j-12-api-2.25.2:0
>=dev-java/log4j-core-2.25.2:0
>=dev-java/slf4j-api-2.0.3:0
>=dev-java/typesafe-config-1.4.5:0
"
DEPEND="
${CP_DEPEND}
>=virtual/jdk-1.8:*
"
RDEPEND="
${CP_DEPEND}
!<app-forensics/sleuthkit-4.12.1-r3
!<dev-java/c3p0-0.9.5.5-r3:0
>=virtual/jre-1.8:*
"
JAVA_RESOURCE_DIRS="src/main/resources"
JAVA_SRC_DIR="src/main/java"
# # https://github.com/swaldman/mchange-commons-java/blob/master/build.sbt#L29-L31
# JAVA_TEST_GENTOO_CLASSPATH=""
# JAVA_TEST_SRC_DIR="src/test/java"
# JAVA_TEST_RESOURCE_DIRS="src/test/resources"
>=dev-java/log4j-api-2.25.2:0 >=dev-java/log4j-12-api-2.25.2:0 >=dev-java/log4j-core-2.25.2:0 >=dev-java/slf4j-api-2.0.3:0 >=dev-java/typesafe-config-1.4.5:0 >=virtual/jdk-1.8:*
>=dev-java/log4j-api-2.25.2:0 >=dev-java/log4j-12-api-2.25.2:0 >=dev-java/log4j-core-2.25.2:0 >=dev-java/slf4j-api-2.0.3:0 >=dev-java/typesafe-config-1.4.5:0 !<app-forensics/sleuthkit-4.12.1-r3 !<dev-java/c3p0-0.9.5.5-r3:0 >=virtual/jre-1.8:*