gentoo auto-resync : 20:11:2023 - 11:14:01

11 files changed, 262 insertions, 4 deletions

diff --git a/dev-java/Manifest.gz b/dev-java/Manifest.gz
index 1ed235ccb1f6..5d03ec8eb60d 100644
--- a/dev-java/Manifest.gz
+++ b/dev-java/Manifest.gz
diff --git a/dev-java/ant-eclipse-ecj/Manifest b/dev-java/ant-eclipse-ecj/Manifest
index e5627389dfb5..33c0aa62b047 100644
--- a/dev-java/ant-eclipse-ecj/Manifest
+++ b/dev-java/ant-eclipse-ecj/Manifest
@@ -1,7 +1,13 @@
 AUX ecj-4.15 354 BLAKE2B e8ddbe928140e99fa36f0e4937cf1e9bf06bc3660ffdfba91099b35e4effaae3df1cb582a3cc8e9b26415d129d3c7e6b43f69e80f714ec1770ff593aebe4d5a8 SHA512 a8c159538a280ddc3616dce8fe6d1677ac45d7a72b27c23c85224a1d7e3acbb73912f2013be99b075f7b91e7ab52b4d871280246f1af56cf3718e3ce24b8ccc0
 AUX ecj-4.26 390 BLAKE2B 42e06c8114370763caeee14aee4e4471ba5781f2257abab6ba69ff8657946681e06994804b5ba5d23547b066e8784bdda3bc2ba254ae357f98d234bd4da7a415 SHA512 9b29d5e650ec30e9d493d48c29820dbb2de79fa1cc897de3ccfc2558814a882e5ba0a35567d1fbcea11b050a2ced7b48f2c53a97a9f420ef81e715ab5156f9e0
+AUX ecj-4.27 402 BLAKE2B 958e72a31f04f0b28f856b1cc82b8014365f579b60a33e05931f5831cc174ae562221aeca58d9272df3c383092824fd9a6d15dbcba16dfbb0d80500b839c34e3 SHA512 85b6ebb23b4ed49ea76661a34e59db52d12e9fdb464531691b7ac6aa5069715a490965222c524cbb05153e526e8f6247a08cdacf6545fcab842255f6b8b61730
+AUX ecj-4.29 402 BLAKE2B e741a244cce88c5bf7148ee3fae170e11bd93e3f4fb20186ca5b67a0986d11b8c4a50a038d2d421324c68fff651104132c6dfaf44c21849b6808c25a8415e5bf SHA512 c7db80ffb28582704ff553a816a578b79a707abf7e28ed6c89d525f9e60c7da4236e162d427301436e20e5bee3d95c91c82db1d1570c9ef531b6f13cc26368cc
 DIST ecjsrc-4.15.jar 2166228 BLAKE2B 794e0ba1a19b325e2dd8ad0b288ccbe04866627670b50d39dd327c13fe1fac56200eb3a6c1c3d1af043cad795508b9b714a5243049671414b5a62a97725d3297 SHA512 ada55b2522cf26570f0cd43f415eb5cf20e6840f83dadc72e1ae474ebf10eadca73f9fa3d1db51e13fd2762c38cd3e3567db3c7840d43ae3d8665ebe35e1889d
 DIST ecjsrc-4.26.jar 2347137 BLAKE2B 22e627178fe35f34cee7ba63e740ef2699bca691d460c81e97c2f18c197042cc0d901eea988331b3fa2ac7daa87daef9ee90bc1e62901935a6f2f3fe5f1e8534 SHA512 e53534160e6a2cdc8c5db7caec617d5671eb59954a86b9dcb36a514024c3205167c8416560796ce61d1aa188f551660f3bfd8eab46fefe9111c8f0b7a977342f
+DIST ecjsrc-4.27.jar 2301849 BLAKE2B 77f35d1a9f36086e8515dc9437894b84c88fd440bd48b5248b141191bc04babfcf1af288643ed21e41cb054bdcfa94125a7eb139cbec9ead97e366c65c1dbe95 SHA512 689fe9ed2327f1d0e89fd13c3543369e0e13d7f15f521fc7667352e7f8d7f0b48107bc180ac16cfad375449cc2b61de74bc8ca56c95cab9ef172260a9d3a530b
+DIST ecjsrc-4.29.jar 2319437 BLAKE2B 2ce2432a80c725a169337737908bc8d1fb531e57380e05e069558463ffece2f4851635796550d14c3383c1e365c06802937618dd3ddd90472a541f1ca491dc91 SHA512 d9ead697d8e880b3bc537117446453d21f648a0bcbe3044123acfd7c9118dae12211ebba1efc4a0fe890ea25d80634da09792398caea7121c87c084eb921e78f
 EBUILD ant-eclipse-ecj-4.15-r1.ebuild 1264 BLAKE2B 69b2683dbf261cfa42366352f567326bef3ee90368899ce57b58541df7de181dd34b018b59e66cf5cef7846fcd03302eced7669b64b653a83c4169a72a6f7bcb SHA512 a275af869a5421975047a752121be71bccef71a23567c11a2fea71c2f574d198c0cd4284f5bd9527fbe0a7ccbd24fcfb6e9e61bb9fcd283d872c94911940d5a2
-EBUILD ant-eclipse-ecj-4.26.ebuild 1421 BLAKE2B f00b5128ba9cc3fab3aa6398a49d789a7499b72290d2d1f6684323ff686bd8ed9ea8f16bfe9981772dd0d6cde7b8cdc56784b2ece74f36c4f6137ffd29835b49 SHA512 92ceb9368b190487f9083a17772b10b83d638b7d9b67b6e25d44999a49f0b7be288081c0b12d2b0805efdbb2051acb305bcf49b5aed414cc8d65d6fcdd6f4e72
+EBUILD ant-eclipse-ecj-4.26.ebuild 1420 BLAKE2B a8b84c31f5921f47234544ccfb594b081a07cb42e8e6a31346ea5f69e00fb5fcd586700afa421043f25393416c31a8cd6a60cfa1c8ff14f71edc44d4e49ecc0f SHA512 7087a4dcb93b0b87d512ba018817fcb613030d4ddbbfe4835b948da1281460d468ea5273bdedd1ee101e3fa6823a1623a3b76fc4ca2135b01441933558afd183
+EBUILD ant-eclipse-ecj-4.27.ebuild 1411 BLAKE2B 87ec571a7dfea0bc09ff26954b622087cdf2c9eb89474a3a3734f9ca3fc31757b1a8653474c18116f87dac4f301dcc83636610d63926411dab18e7e7e91b113c SHA512 22c095240582029db60b7036e4c16f043ebda96f96f8e142abbda1c18328b57f024660e9dedeef69ada3e6cddcfcb2f9edbfc8dcc1efec8a312207d48a026235
+EBUILD ant-eclipse-ecj-4.29.ebuild 1411 BLAKE2B 31047ce3401b5c318f6782efdd50bcb9c4469b697e414e7b4947e9373632fd720165a69a64d8cbb2aa29fd4126ce7017fd962793e7eadf34a13bc5ec4af6bc69 SHA512 4862792eaa3fbde291e044dc8b770027af21388578270e62bb2e56dd91c32656f9482f59642823421282ec3c54d4da8dc540e4faef5ff0d221c9cd170deae36c
 MISC metadata.xml 547 BLAKE2B 250bb477a3547d97e993539eb2965d6ff8a5085627c8a4ce221fc74704b1c824b1ba4a2891a850b820bd42c4ccf3e684af3035ccaf45cc595f0eac6b62da2a4a SHA512 e1283be49bebaf5bb03e55ead8336a046eff3c657e600dd1456690280e2ae2f9f4fb12987d7c1cfd192e41d8f8d40b36896a2d7430063d243f374e4aedc4ec77
diff --git a/dev-java/ant-eclipse-ecj/ant-eclipse-ecj-4.26.ebuild b/dev-java/ant-eclipse-ecj/ant-eclipse-ecj-4.26.ebuild
index 84f3cb357c3b..478ef5996a68 100644
--- a/dev-java/ant-eclipse-ecj/ant-eclipse-ecj-4.26.ebuild
+++ b/dev-java/ant-eclipse-ecj/ant-eclipse-ecj-4.26.ebuild
@@ -11,7 +11,7 @@ DMF="R-${PV}-202211231800"
 
 DESCRIPTION="Ant Compiler Adapter for Eclipse Java Compiler"
 HOMEPAGE="https://www.eclipse.org/"
-SRC_URI="https://download.eclipse.org/eclipse/downloads/drops4/${DMF}/ecjsrc-${PV}.jar"
+SRC_URI="https://archive.eclipse.org/eclipse/downloads/drops4/${DMF}/ecjsrc-${PV}.jar"
 
 LICENSE="EPL-1.0"
 KEYWORDS="amd64 ~arm ~arm64 ~ppc64 x86 ~amd64-linux ~x86-linux"
diff --git a/dev-java/ant-eclipse-ecj/ant-eclipse-ecj-4.27.ebuild b/dev-java/ant-eclipse-ecj/ant-eclipse-ecj-4.27.ebuild
new file mode 100644
index 000000000000..015b0f144035
--- /dev/null
+++ b/dev-java/ant-eclipse-ecj/ant-eclipse-ecj-4.27.ebuild
@@ -0,0 +1,51 @@
+# Copyright 1999-2023 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 prefix
+
+DMF="R-${PV}-202303020300"
+
+DESCRIPTION="Ant Compiler Adapter for Eclipse Java Compiler"
+HOMEPAGE="https://www.eclipse.org/"
+SRC_URI="https://download.eclipse.org/eclipse/downloads/drops4/${DMF}/ecjsrc-${PV}.jar"
+
+LICENSE="EPL-1.0"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86 ~amd64-linux ~x86-linux"
+SLOT="4.27"
+IUSE=""
+
+CDEPEND="~dev-java/eclipse-ecj-${PV}:${SLOT}
+	dev-java/ant-core:0"
+# though technically both could be set to 1.8 and it would
+# compile using jdk 11+, it would not compile using jdk 1.8
+# because eclipse ecj has min jdk 11
+RDEPEND="${CDEPEND}
+	>=virtual/jre-11:*"
+DEPEND="${CDEPEND}
+	>=virtual/jdk-17:*"
+BDEPEND="app-arch/unzip"
+
+JAVA_GENTOO_CLASSPATH="ant-core,eclipse-ecj-${SLOT}"
+
+src_prepare() {
+	java-pkg-2_src_prepare
+
+	# Remove everything but the Ant component.
+	find org -type f ! -path "org/eclipse/jdt/internal/antadapter/*" ! -name "JDTCompilerAdapter.java" -delete || die
+}
+
+src_compile() {
+	java-pkg-simple_src_compile
+	find org -type f ! -name "*.java" | xargs jar uvf "${PN}.jar" || die "jar update failed"
+}
+
+src_install() {
+	java-pkg-simple_src_install
+	insinto /usr/share/java-config-2/compiler
+	doins "${FILESDIR}/ecj-${SLOT}"
+	eprefixify "${ED}"/usr/share/java-config-2/compiler/ecj-${SLOT}
+}
diff --git a/dev-java/ant-eclipse-ecj/ant-eclipse-ecj-4.29.ebuild b/dev-java/ant-eclipse-ecj/ant-eclipse-ecj-4.29.ebuild
new file mode 100644
index 000000000000..15e5b9477ade
--- /dev/null
+++ b/dev-java/ant-eclipse-ecj/ant-eclipse-ecj-4.29.ebuild
@@ -0,0 +1,51 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+JAVA_PKG_IUSE="doc source"
+
+inherit java-pkg-2 java-pkg-simple prefix
+
+DMF="R-${PV}-202309031000"
+
+DESCRIPTION="Ant Compiler Adapter for Eclipse Java Compiler"
+HOMEPAGE="https://www.eclipse.org/"
+SRC_URI="https://download.eclipse.org/eclipse/downloads/drops4/${DMF}/ecjsrc-${PV}.jar"
+
+LICENSE="EPL-1.0"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86 ~amd64-linux ~x86-linux"
+SLOT="4.29"
+IUSE=""
+
+CDEPEND="~dev-java/eclipse-ecj-${PV}:${SLOT}
+	dev-java/ant-core:0"
+# though technically both could be set to 1.8 and it would
+# compile using jdk 11+, it would not compile using jdk 1.8
+# because eclipse ecj has min jdk 11
+RDEPEND="${CDEPEND}
+	>=virtual/jre-11:*"
+DEPEND="${CDEPEND}
+	>=virtual/jdk-17:*"
+BDEPEND="app-arch/unzip"
+
+JAVA_GENTOO_CLASSPATH="ant-core,eclipse-ecj-${SLOT}"
+
+src_prepare() {
+	java-pkg-2_src_prepare
+
+	# Remove everything but the Ant component.
+	find org -type f ! -path "org/eclipse/jdt/internal/antadapter/*" ! -name "JDTCompilerAdapter.java" -delete || die
+}
+
+src_compile() {
+	java-pkg-simple_src_compile
+	find org -type f ! -name "*.java" | xargs jar uvf "${PN}.jar" || die "jar update failed"
+}
+
+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}
+}
diff --git a/dev-java/ant-eclipse-ecj/files/ecj-4.27 b/dev-java/ant-eclipse-ecj/files/ecj-4.27
new file mode 100644
index 000000000000..7b66f97ff0c7
--- /dev/null
+++ b/dev-java/ant-eclipse-ecj/files/ecj-4.27
@@ -0,0 +1,7 @@
+JAVAC="@GENTOO_PORTAGE_EPREFIX@/usr/bin/ecj-4.27"
+PACKAGE="=dev-java/ant-eclipse-ecj-4.27*"
+SUPPORTED_TARGET="1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 9 10 11 12 13 14 15 16 17 18 19 20 21"
+SUPPORTED_SOURCE="1.3 1.4 1.5 1.6 1.7 1.8 9 10 11 12 13 14 15 16 17 18 19 20 21"
+ANT_BUILD_COMPILER="org.eclipse.jdt.core.JDTCompilerAdapter"
+ANT_BUILD_COMPILER_DEPS="eclipse-ecj-4.27,ant-eclipse-ecj-4.27"
+GENERATION="2"
diff --git a/dev-java/ant-eclipse-ecj/files/ecj-4.29 b/dev-java/ant-eclipse-ecj/files/ecj-4.29
new file mode 100644
index 000000000000..4cb14c005ddf
--- /dev/null
+++ b/dev-java/ant-eclipse-ecj/files/ecj-4.29
@@ -0,0 +1,7 @@
+JAVAC="@GENTOO_PORTAGE_EPREFIX@/usr/bin/ecj-4.29"
+PACKAGE="=dev-java/ant-eclipse-ecj-4.29*"
+SUPPORTED_TARGET="1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 9 10 11 12 13 14 15 16 17 18 19 20 21"
+SUPPORTED_SOURCE="1.3 1.4 1.5 1.6 1.7 1.8 9 10 11 12 13 14 15 16 17 18 19 20 21"
+ANT_BUILD_COMPILER="org.eclipse.jdt.core.JDTCompilerAdapter"
+ANT_BUILD_COMPILER_DEPS="eclipse-ecj-4.29,ant-eclipse-ecj-4.29"
+GENERATION="2"
diff --git a/dev-java/eclipse-ecj/Manifest b/dev-java/eclipse-ecj/Manifest
index 5533e23fbf8b..8cdbe9a23a13 100644
--- a/dev-java/eclipse-ecj/Manifest
+++ b/dev-java/eclipse-ecj/Manifest
@@ -1,5 +1,9 @@
 DIST ecjsrc-4.15.jar 2166228 BLAKE2B 794e0ba1a19b325e2dd8ad0b288ccbe04866627670b50d39dd327c13fe1fac56200eb3a6c1c3d1af043cad795508b9b714a5243049671414b5a62a97725d3297 SHA512 ada55b2522cf26570f0cd43f415eb5cf20e6840f83dadc72e1ae474ebf10eadca73f9fa3d1db51e13fd2762c38cd3e3567db3c7840d43ae3d8665ebe35e1889d
 DIST ecjsrc-4.26.jar 2347137 BLAKE2B 22e627178fe35f34cee7ba63e740ef2699bca691d460c81e97c2f18c197042cc0d901eea988331b3fa2ac7daa87daef9ee90bc1e62901935a6f2f3fe5f1e8534 SHA512 e53534160e6a2cdc8c5db7caec617d5671eb59954a86b9dcb36a514024c3205167c8416560796ce61d1aa188f551660f3bfd8eab46fefe9111c8f0b7a977342f
+DIST ecjsrc-4.27.jar 2301849 BLAKE2B 77f35d1a9f36086e8515dc9437894b84c88fd440bd48b5248b141191bc04babfcf1af288643ed21e41cb054bdcfa94125a7eb139cbec9ead97e366c65c1dbe95 SHA512 689fe9ed2327f1d0e89fd13c3543369e0e13d7f15f521fc7667352e7f8d7f0b48107bc180ac16cfad375449cc2b61de74bc8ca56c95cab9ef172260a9d3a530b
+DIST ecjsrc-4.29.jar 2319437 BLAKE2B 2ce2432a80c725a169337737908bc8d1fb531e57380e05e069558463ffece2f4851635796550d14c3383c1e365c06802937618dd3ddd90472a541f1ca491dc91 SHA512 d9ead697d8e880b3bc537117446453d21f648a0bcbe3044123acfd7c9118dae12211ebba1efc4a0fe890ea25d80634da09792398caea7121c87c084eb921e78f
 EBUILD eclipse-ecj-4.15.ebuild 1736 BLAKE2B c2bb6e3bf06c39d5633c9db215b9ff3047c83c6fb3377281e91e6eae40418e3a34154f7afa3c19edee5411ef08794fcb8fc84e1f2f9eb3c8d0e376bf69c99296 SHA512 b9db554f95148e810076ad3d86abd5f76a4a9942e33def4e31753847e59a7b682088456b7b20e9a1e7a4dc199a7687bd3ea8dfae4fdf691950a737ef2a4f31b6
-EBUILD eclipse-ecj-4.26.ebuild 1692 BLAKE2B 6558d47dad64606cea18c16756713810f20d7a560400ee061e80257fcb159677260d872949663c519d86253da4b9ba7e5dc534663d8a733b28d4269f8158ab20 SHA512 78d7c79c69d8780f98a9915b3c347bc6baae784c771034c73b5b7968e738a23886040793298c65101ad57f3bb3ad2aa8950fb9b640729220c1d34ae1ed249025
+EBUILD eclipse-ecj-4.26.ebuild 1691 BLAKE2B 108efc14612f98445a7d8c16145fbb493e15ff39f79feef992ff46dd64a07354b181c6f385f0a6a1282ea5b23c96e65646ce1d326ef43e06e89d4d5ef6a22f09 SHA512 2ff8e9c4337d594e5ef72cdc97451330e42ea47e1df3e18d827adadad07407eed6e7e70fe9a3688e7b41faff966f5d6716c5705dafb9fbcb5c43ec41887b57f0
+EBUILD eclipse-ecj-4.27.ebuild 1563 BLAKE2B 19eb644f98d9be503480c51963c561eb7f762df1f87bccd41afc26374ee185fedbeb6abe35e2d90beacc7d27c5fc5e3e7fd43fcb96fbca67246e49def24cec3a SHA512 357d7e5b88641261ca1ae96794a724348350de4c3fd374b489b41e4dfa81d3a869f3af5021fde7be8b8233715e5cacec81dc612db78675509ec83ce5e5da4ca8
+EBUILD eclipse-ecj-4.29.ebuild 1654 BLAKE2B 2d5df60d052d938a693963b0ec75e72988f06964fa8366bf3d7ae60862384f39729b7eb6f9723469d16c13c1f6b45ca9da41fc8232b995e4ea670688c884e0c3 SHA512 f81eb30fca7c018520efddab800e18f0538dfc317955e8d53359beaad115d38b4713341c5b3d7259f8da499b43bb7e5afc5c7a103176535a25d002cbdc022ef0
 MISC metadata.xml 747 BLAKE2B 734d84847d4c2670a042e4636188d5c0e6f333a653933fa9365ae87477adc439a9a77362307b144c72077b68cfa6e9e8068989f021147ea9fa68a86a989f4c62 SHA512 22d6f55ee210dc62f7463692726b82b4ea30a67fe4debb6860fab53b227b7254874b8c3364add8ff9d9b62dc3e35b500b61faa7f999fa61460b2a94d56759cc0
diff --git a/dev-java/eclipse-ecj/eclipse-ecj-4.26.ebuild b/dev-java/eclipse-ecj/eclipse-ecj-4.26.ebuild
index 7e0b3e719dec..4ad6e3222bb1 100644
--- a/dev-java/eclipse-ecj/eclipse-ecj-4.26.ebuild
+++ b/dev-java/eclipse-ecj/eclipse-ecj-4.26.ebuild
@@ -12,7 +12,7 @@ DMF="R-${PV}-202211231800"
 
 DESCRIPTION="Eclipse Compiler for Java"
 HOMEPAGE="https://www.eclipse.org/"
-SRC_URI="https://download.eclipse.org/eclipse/downloads/drops4/${DMF}/${MY_PN}src-${PV}.jar"
+SRC_URI="https://archive.eclipse.org/eclipse/downloads/drops4/${DMF}/${MY_PN}src-${PV}.jar"
 
 LICENSE="EPL-1.0"
 KEYWORDS="amd64 ~arm ~arm64 ~ppc64 x86 ~amd64-linux ~x86-linux"
diff --git a/dev-java/eclipse-ecj/eclipse-ecj-4.27.ebuild b/dev-java/eclipse-ecj/eclipse-ecj-4.27.ebuild
new file mode 100644
index 000000000000..fb56b1b9116c
--- /dev/null
+++ b/dev-java/eclipse-ecj/eclipse-ecj-4.27.ebuild
@@ -0,0 +1,65 @@
+# Copyright 1999-2023 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
+
+MY_PN="ecj"
+DMF="R-${PV}-202303020300"
+
+DESCRIPTION="Eclipse Compiler for Java"
+HOMEPAGE="https://www.eclipse.org/"
+SRC_URI="https://download.eclipse.org/eclipse/downloads/drops4/${DMF}/${MY_PN}src-${PV}.jar"
+S="${WORKDIR}"
+
+LICENSE="EPL-1.0"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86 ~amd64-linux ~x86-linux"
+SLOT="4.27"
+IUSE="+ant"
+
+COMMON_DEP="
+	app-eselect/eselect-java
+	dev-java/ant-core:0"
+# ElementsImpl9.java:206: error:
+# method does not override or implement a method from a supertype
+DEPEND="${COMMON_DEP}
+	>=virtual/jdk-21:*
+	app-arch/unzip"
+RDEPEND="${COMMON_DEP}
+	>=virtual/jre-11:*"
+PDEPEND="
+	ant? ( ~dev-java/ant-eclipse-ecj-${PV} )"
+
+JAVA_GENTOO_CLASSPATH="ant-core"
+JAVA_JAR_FILENAME="${MY_PN}.jar"
+JAVA_LAUNCHER_FILENAME="${MY_PN}-${SLOT}"
+JAVA_MAIN_CLASS="org.eclipse.jdt.internal.compiler.batch.Main"
+JAVA_RESOURCE_DIRS="res"
+
+# See https://bugs.eclipse.org/bugs/show_bug.cgi?id=479134 for details
+src_prepare() {
+	java-pkg-2_src_prepare
+
+	# These have their own package.
+	rm org/eclipse/jdt/core/JDTCompilerAdapter.java || die
+	rm -r org/eclipse/jdt/internal/antadapter || die
+
+	mkdir "${JAVA_RESOURCE_DIRS}" || die
+	find -type f \
+		! -name '*.java' \
+		| xargs cp --parent -t "${JAVA_RESOURCE_DIRS}" || die
+}
+
+pkg_postinst() {
+	einfo "To select between slots of ECJ..."
+	einfo " # eselect ecj"
+
+	eselect ecj update ecj-${SLOT}
+}
+
+pkg_postrm() {
+	eselect ecj update
+}
diff --git a/dev-java/eclipse-ecj/eclipse-ecj-4.29.ebuild b/dev-java/eclipse-ecj/eclipse-ecj-4.29.ebuild
new file mode 100644
index 000000000000..5fcf19d5c6d8
--- /dev/null
+++ b/dev-java/eclipse-ecj/eclipse-ecj-4.29.ebuild
@@ -0,0 +1,67 @@
+# Copyright 1999-2023 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
+
+MY_PN="ecj"
+DMF="R-${PV}-202309031000"
+
+DESCRIPTION="Eclipse Compiler for Java"
+HOMEPAGE="https://www.eclipse.org/"
+SRC_URI="https://download.eclipse.org/eclipse/downloads/drops4/${DMF}/${MY_PN}src-${PV}.jar"
+S="${WORKDIR}"
+
+LICENSE="EPL-1.0"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86 ~amd64-linux ~x86-linux"
+SLOT="4.29"
+IUSE="+ant"
+
+COMMON_DEP="
+	app-eselect/eselect-java
+	dev-java/ant-core:0"
+# ElementsImpl9.java:206: error:
+# method does not override or implement a method from a supertype
+DEPEND="${COMMON_DEP}
+	>=virtual/jdk-21:*
+	app-arch/unzip"
+# Parser.java:1095: error:
+# pattern matching in instanceof is not supported in -source 11
+RDEPEND="${COMMON_DEP}
+	>=virtual/jre-17:*"
+PDEPEND="
+	ant? ( ~dev-java/ant-eclipse-ecj-${PV} )"
+
+JAVA_GENTOO_CLASSPATH="ant-core"
+JAVA_JAR_FILENAME="${MY_PN}.jar"
+JAVA_LAUNCHER_FILENAME="${MY_PN}-${SLOT}"
+JAVA_MAIN_CLASS="org.eclipse.jdt.internal.compiler.batch.Main"
+JAVA_RESOURCE_DIRS="res"
+
+# See https://bugs.eclipse.org/bugs/show_bug.cgi?id=479134 for details
+src_prepare() {
+	java-pkg-2_src_prepare
+
+	# These have their own package.
+	rm org/eclipse/jdt/core/JDTCompilerAdapter.java || die
+	rm -r org/eclipse/jdt/internal/antadapter || die
+
+	mkdir "${JAVA_RESOURCE_DIRS}" || die
+	find -type f \
+		! -name '*.java' \
+		| xargs cp --parent -t "${JAVA_RESOURCE_DIRS}" || die
+}
+
+pkg_postinst() {
+	einfo "To select between slots of ECJ..."
+	einfo " # eselect ecj"
+
+	eselect ecj update ecj-${SLOT}
+}
+
+pkg_postrm() {
+	eselect ecj update
+}