1 files changed, 57 insertions, 0 deletions
diff --git a/dev-java/eclipse-ecj/eclipse-ecj-4.38.ebuild b/dev-java/eclipse-ecj/eclipse-ecj-4.38.ebuild
new file mode 100644
index 000000000000..31332d5cc401
--- /dev/null
+++ b/dev-java/eclipse-ecj/eclipse-ecj-4.38.ebuild
@@ -0,0 +1,57 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+JAVA_PKG_IUSE="doc source"
+
+inherit java-pkg-2 java-pkg-simple
+
+DMF="R-${PV/_rc/RC}-202512010920"
+
+DESCRIPTION="Eclipse Compiler for Java"
+HOMEPAGE="https://projects.eclipse.org/projects/eclipse.jdt"
+SRC_URI="https://download.eclipse.org/eclipse/downloads/drops4/${DMF}/ecjsrc-${PV/_rc/RC}.jar"
+S="${WORKDIR}"
+
+LICENSE="EPL-1.0"
+SLOT="4.38"
+KEYWORDS="~amd64 ~arm64"
+
+BDEPEND="app-arch/unzip"
+
+# jdk-25 because of compilation errors with jdk-21
+DEPEND="
+	>=dev-java/ant-1.10.15:0
+	>=virtual/jdk-25:*
+"
+
+# ./org/eclipse/jdt/internal/compiler/env/ICompilationUnit.java:64:
+# error: pattern matching in instanceof is not supported in -source 11
+# 	if (environment.nameEnvironment instanceof IModuleAwareNameEnvironment modEnv) {
+# 	                                                                       ^
+#   (use -source 16 or higher to enable pattern matching in instanceof)
+RDEPEND=">=virtual/jre-17:*"
+
+DOCS=( org/eclipse/jdt/core/README.md )
+JAVA_AUTOMATIC_MODULE_NAME="org.eclipse.jdt.core.compiler.batch"
+JAVA_CLASSPATH_EXTRA="ant"
+JAVA_JAR_FILENAME="ecj.jar"
+JAVA_LAUNCHER_FILENAME="ecj-${SLOT}"
+JAVA_MAIN_CLASS="org.eclipse.jdt.internal.compiler.batch.Main"
+JAVA_RESOURCE_DIRS="res"
+
+src_prepare() {
+	java-pkg-2_src_prepare
+
+	# Exception in thread "main" java.lang.SecurityException: Invalid signature file digest for Manifest main attributes
+	rm META-INF/ECLIPSE_* || die
+
+	mkdir "${JAVA_RESOURCE_DIRS}" || die
+	find -type f \
+		! -name '*.java' \
+		! -name 'package.html' \
+		! -path '*/grammar/*' \
+		! -path '*/OSGI-INF/*' |
+		xargs cp --parent -t "${JAVA_RESOURCE_DIRS}" || die
+}