app-emulation/rars: new package, add 1.6

Signed-off-by: Henri Gasc <gasc@eurecom.fr>

app-emulation/rars/rars-1.6.ebuild

@@ -0,0 +1,59 @@
+# Copyright 2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+JAVA_PKG_IUSE="doc source test"
+
+inherit java-pkg-2 java-pkg-simple
+
+jsoft_hash="75c3a5d1ab1322ce4dde0b5994d6f9f6ff820529"
+
+DESCRIPTION="RARS -- RISC-V Assembler and Runtime Simulator"
+HOMEPAGE="https://github.com/TheThirdOne/rars"
+SRC_URI="
+	https://github.com/TheThirdOne/rars/archive/refs/tags/v${PV}.tar.gz -> ${P}.gh.tar.gz
+	https://github.com/TheThirdOne/JSoftFloat/archive/${jsoft_hash}.tar.gz -> JSoftFloat-75c3a5d.gh.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64"
+S="${WORKDIR}/${P}"
+
+CP_DEPEND=""
+
+RDEPEND=">=virtual/jre-1.8:*
+	${CP_DEPEND}"
+DEPEND=">=virtual/jdk-1.8:*
+	${CP_DEPEND}"
+
+src_unpack() {
+	default
+	mv "${WORKDIR}/JSoftFloat-${jsoft_hash}" "${S}/src/jsoftfloat"
+}
+
+src_prepare() {
+	default
+	java-pkg_clean
+}
+
+src_compile() {
+	# Using the build-jar.sh script
+	cd "${S}"
+	mkdir -p build
+	find src -name "*.java" | xargs javac -d build
+	find src -type f -not -name "*.java" -exec cp --parents {} build \;
+	cp -rf build/src/* build
+	rm -r build/src
+	cp README.md License.txt build
+	cd build
+	jar cfm ../rars.jar ./META-INF/MANIFEST.MF *
+}
+
+src_install() {
+	java-pkg_dojar "${S}/rars.jar"
+	mkdir -p "${D}/usr/bin"
+	echo "#!/bin/bash" > "${D}/usr/bin/rars"
+	echo "java -jar /usr/share/rars/lib/rars.jar" >> "${D}/usr/bin/rars"
+	chmod 755 "${D}/usr/bin/rars"
+}