1 files changed, 75 insertions, 0 deletions
diff --git a/dev-java/eclipse-ecj/eclipse-ecj-4.31.ebuild b/dev-java/eclipse-ecj/eclipse-ecj-4.31.ebuild
new file mode 100644
index 000000000000..a85b35c482a6
--- /dev/null
+++ b/dev-java/eclipse-ecj/eclipse-ecj-4.31.ebuild
@@ -0,0 +1,75 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+JAVA_PKG_IUSE="doc source"
+# 3.36.0 according to
+# https://github.com/eclipse-jdt/eclipse.jdt.core/blob/R4_30/org.eclipse.jdt.core.compiler.batch/pom.xml#L20
+MAVEN_ID="org.eclipse.jdt:org.eclipse.jdt.core.compiler.batch:3.37.0"
+
+inherit java-pkg-2 java-pkg-simple prefix
+
+DMF="R-${PV/_rc/RC}-202402290520"
+
+DESCRIPTION="Eclipse Compiler for Java"
+HOMEPAGE="https://www.eclipse.org/"
+SRC_URI="https://download.eclipse.org/eclipse/downloads/drops4/${DMF}/ecjsrc-${PV/_rc/RC}.jar"
+S="${WORKDIR}"
+
+LICENSE="EPL-1.0"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
+SLOT="4.31"
+
+BDEPEND="app-arch/unzip"
+COMMON_DEP="app-eselect/eselect-java"
+# ElementsImpl9.java:206: error:
+# method does not override or implement a method from a supertype
+DEPEND="${COMMON_DEP}
+	>=dev-java/ant-1.10.14:0
+	>=virtual/jdk-21:*"
+# Parser.java:1095: error:
+# pattern matching in instanceof is not supported in -source 11
+RDEPEND="${COMMON_DEP}
+	>=virtual/jre-17:*"
+
+DOCS=( org/eclipse/jdt/core/README.md )
+PATCHES=( "${FILESDIR}/eclipse-ecj-4.31-java21.patch" )
+
+JAVA_AUTOMATIC_MODULE_NAME="org.eclipse.jdt.core.compiler.batch"
+JAVA_CLASSPATH_EXTRA="ant"
+JAVA_JAR_FILENAME="ecj.jar"
+JAVA_LAUNCHER_FILENAME="ecj-${SLOT}"
+JAVA_MAIN_CLASS="org.eclipse.jdt.internal.compiler.batch.Main"
+JAVA_RESOURCE_DIRS="res"
+
+src_prepare() {
+	default #780585
+	java-pkg-2_src_prepare
+
+	# Exception in thread "main" java.lang.SecurityException: Invalid signature file digest for Manifest main attributes
+	rm META-INF/ECLIPSE_* || die
+
+	mkdir "${JAVA_RESOURCE_DIRS}" || die
+	find -type f \
+		! -name '*.java' \
+		| xargs cp --parent -t "${JAVA_RESOURCE_DIRS}" || die
+}
+
+src_install() {
+	java-pkg-simple_src_install
+	insinto /usr/share/java-config-2/compiler
+	doins "${FILESDIR}/ecj-${SLOT}"
+	eprefixify "${ED}"/usr/share/java-config-2/compiler/ecj-${SLOT}
+}
+
+pkg_postinst() {
+	einfo "To select between slots of ECJ..."
+	einfo " # eselect ecj"
+
+	eselect ecj update ecj-${SLOT}
+}
+
+pkg_postrm() {
+	eselect ecj update
+}