dev-util/checkstyle: EAPI 8, fix missing dependency

Closes: https://bugs.gentoo.org/791283
Package-Manager: Portage-3.0.28, Repoman-3.0.3
Signed-off-by: Volkmar W. Pogatzki <gentoo@pogatzki.net>
Closes: https://github.com/gentoo/gentoo/pull/23196
Signed-off-by: Miroslav Šulc <fordfrog@gentoo.org>

dev-util/checkstyle/checkstyle-7.2-r1.ebuild

@@ -0,0 +1,67 @@
+# Copyright 1999-2021 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
+
+DESCRIPTION="Development tool to help write Java code that adheres to a coding standard"
+HOMEPAGE="https://github.com/checkstyle/checkstyle"
+SRC_URI="https://github.com/${PN}/${PN}/archive/${P}.tar.gz"
+LICENSE="LGPL-2.1"
+SLOT="0"
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux ~x64-macos"
+
+CP_DEPEND="
+	dev-java/ant-core:0
+	>=dev-java/antlr-2.7.7-r7:0
+	dev-java/antlr:4
+	dev-java/commons-beanutils:1.7
+	dev-java/commons-cli:1
+	dev-java/commons-logging:0
+	dev-java/guava:20
+	dev-java/jaxb-api:2
+"
+
+RDEPEND="${CP_DEPEND}
+	>=virtual/jre-1.8:*"
+
+DEPEND="${CP_DEPEND}
+	>=virtual/jdk-1.8:*"
+
+S="${WORKDIR}/${PN}-${P}"
+JAVA_SRC_DIR="${S}/src/main/java"
+
+src_configure() {
+	JAVA_GENTOO_CLASSPATH_EXTRA=$(java-config --tools)
+}
+
+src_compile() {
+	local PKG
+
+	PKG=com/puppycrawl/tools/checkstyle/grammars
+	cd "${S}"/src/main/resources/${PKG} || die
+	antlr -o "${JAVA_SRC_DIR}"/${PKG} java.g || die
+
+	PKG+=/javadoc
+	cd "${S}"/src/main/resources/${PKG} || die
+	antlr4 -o "${JAVA_SRC_DIR}"/${PKG} -package ${PKG//\//.} JavadocLexer.g4 || die
+	antlr4 -o "${JAVA_SRC_DIR}"/${PKG} -package ${PKG//\//.} JavadocParser.g4 || die
+
+	cd "${S}" || die
+	java-pkg-simple_src_compile
+	java-pkg_addres ${PN}.jar src/main/resources
+}
+
+src_install() {
+	java-pkg-simple_src_install
+	dodoc README.md
+
+	java-pkg_dolauncher ${PN} \
+		--main com.puppycrawl.tools.checkstyle.Main
+
+	java-pkg_dolauncher ${PN}-gui \
+		--main com.puppycrawl.tools.checkstyle.gui.Main
+}