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diff --git a/app-forensics/sleuthkit/sleuthkit-4.12.1.ebuild b/app-forensics/sleuthkit/sleuthkit-4.12.1.ebuild
new file mode 100644
index 000000000000..a1a3972515c4
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+++ b/app-forensics/sleuthkit/sleuthkit-4.12.1.ebuild
@@ -0,0 +1,327 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+JAVA_PKG_BSFIX_NAME="build.xml build-unix.xml"
+inherit autotools java-pkg-opt-2 java-ant-2
+
+DESCRIPTION="A collection of file system and media management forensic analysis tools"
+HOMEPAGE="https://www.sleuthkit.org/sleuthkit/"
+# TODO: sqlite-jdbc does not exist in the tree, we bundle it for now
+#		See: https://bugs.gentoo.org/690010
+# TODO: Upstream uses a very specific version of libewf which is not in
+#       the tree anymore. So we statically compile and link to sleuthkit.
+#       Hopefully upstream will figure something out in the future.
+#		See: https://bugs.gentoo.org/689752
+SRC_URI="https://github.com/${PN}/${PN}/releases/download/${P}/${P}.tar.gz
+	java? (
+		https://repo1.maven.org/maven2/org/xerial/sqlite-jdbc/3.42.0.0/sqlite-jdbc-3.42.0.0.jar
+	)
+	ewf? ( https://github.com/sleuthkit/libewf_64bit/archive/VisualStudio_2010.tar.gz
+			-> sleuthkit-libewf_64bit-20130416.tar.gz )"
+
+LICENSE="BSD CPL-1.0 GPL-2+ IBM java? ( Apache-2.0 )"
+SLOT="0/19" # subslot = major soname version
+KEYWORDS="~amd64 ~hppa ~ppc ~x86"
+IUSE="aff doc ewf java static-libs test +threads zlib"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	dev-db/sqlite:3
+	dev-lang/perl:*
+	aff? ( app-forensics/afflib )
+	ewf? ( sys-libs/zlib )
+	java? (
+		>=dev-java/c3p0-0.9.5.5:0
+		dev-java/commons-lang:3.6
+		>=dev-java/commons-validator-1.6:0
+		>=dev-java/gson-2.8.5:2.6
+		dev-java/guava:0
+		>=dev-java/jdbc-postgresql-9.4:0
+		>=dev-java/joda-time-2.4:0
+		>=dev-java/mchange-commons-0.2.20:0
+		dev-java/sparsebitset:0
+	)
+	zlib? ( sys-libs/zlib )
+"
+# TODO: add support for not-in-tree libraries:
+# libvhdi: https://github.com/libyal/libvhdi
+# libvmdk: https://github.com/libyal/libvmdk
+# libvslvm: https://github.com/libyal/libvslvm
+#   Upstream also says "A stand-alone version of libbfio is needed
+#   to allow libvslvm to directly read from a TSK_IMAGE." Not sure
+#   what it means yet.
+#
+# DEPEND="${DEPEND}
+# 	vhdi? ( dev-libs/libvhdi )
+# 	vmdk? ( dev-libs/libvmdk )
+#   vslvm? ( dev-libs/libvslvm dev-libs/libbfio )
+# "
+
+RDEPEND="${DEPEND}
+	java? ( virtual/jre:1.8 )
+"
+DEPEND="${DEPEND}
+	java? ( virtual/jdk:1.8 )
+	test? (
+		>=dev-util/cppunit-1.2.1
+	)
+"
+BDEPEND="
+	virtual/pkgconfig
+	doc? ( app-doc/doxygen )
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-4.1.0-tools-shared-libs.patch
+	"${FILESDIR}"/${PN}-4.6.4-default-jar-location-fix.patch
+	"${FILESDIR}"/${PN}-4.10.1-exclude-usr-local.patch
+	"${FILESDIR}"/${PN}-4.12.0-configure-ac-test-fix.patch
+)
+
+src_unpack() {
+	local f
+
+	unpack ${P}.tar.gz
+
+	if use ewf; then
+		pushd "${T}" &>/dev/null || die
+		unpack sleuthkit-libewf_64bit-20130416.tar.gz
+		export TSK_LIBEWF_SRCDIR="${T}"/libewf_64bit-VisualStudio_2010
+		popd &>/dev/null || die
+	fi
+
+	# Copy the jar files that don't exist in the tree yet
+	if use java; then
+		TSK_JAR_DIR="${T}/lib"
+		mkdir "${TSK_JAR_DIR}" || die
+		for f in ${A}; do
+			if [[ ${f} =~ .jar$ ]]; then
+				cp "${DISTDIR}"/"${f}" "${TSK_JAR_DIR}" || die
+			fi
+		done
+		export TSK_JAR_DIR
+	fi
+}
+
+tsk_prepare_libewf() {
+	# Inlining breaks the compilation, disable it
+	sed -e 's/LIBUNA_INLINE inline/LIBUNA_INLINE/' \
+		-i "${TSK_LIBEWF_SRCDIR}"/libuna/libuna_inline.h || die
+}
+
+src_prepare() {
+	use ewf && tsk_prepare_libewf
+
+	# Do not pass '-Werror'. This is overkill for user builds.
+	sed -e '/AM_CXXFLAGS/ s/-Werror//g' \
+		-i tsk/util/Makefile.am \
+		-i tsk/pool/Makefile.am || die
+	# Remove -static from LDFLAGS because it doesn't actually create
+	# a static binary. It confuses libtool, who then inserts rpath
+	sed -e '/LDFLAGS/ s/-static//' \
+		-i tools/pooltools/Makefile.am || die
+
+	if use java; then
+		pushd "${S}"/bindings/java &>/dev/null || die
+
+		# Prevent "make install" from installing
+		# jar files under /usr/share/java
+		# We'll use the java eclasses for this
+		# See: https://github.com/sleuthkit/sleuthkit/pull/1379
+		sed -e '/^jar_DATA/ d;' -i Makefile.am || die
+
+		java-pkg-opt-2_src_prepare
+
+		popd &>/dev/null || die
+
+		# Call ant with jar target for case-uco.
+		# The default invocation of ant tries to
+		# run junit tests, which there are none.
+		# It ends up failing with:
+		# junit.framework.AssertionFailedError: No tests found in org.sleuthkit.caseuco.TestSuite
+		sed -e '/\tant \$(ant_args)/ s|$| jar|' \
+			-i "${S}"/case-uco/java/Makefile.am \
+			|| die
+	fi
+
+	# Override the doxygen output directories
+	if use doc; then
+		sed -e "/^OUTPUT_DIRECTORY/ s|=.*$|= ${T}/doc|" \
+			-i tsk/docs/Doxyfile \
+			-i bindings/java/doxygen/Doxyfile || die
+	fi
+
+	# It's safe to call this even after java-pkg-opt-2_src_prepare
+	# because future calls to eapply_user do nothing and return 0
+	default
+
+	eautoreconf
+}
+
+tsk_compile_libewf() {
+	local myeconfargs=(
+		--prefix=/
+		--libdir=/lib
+		--enable-static
+		--disable-shared
+		--disable-winapi
+		--without-libbfio
+		--with-zlib
+		--without-bzip2
+		--without-libhmac
+		--without-openssl
+		--without-libuuid
+		--without-libfuse
+
+		--with-libcstring=no
+		--with-libcerror=no
+		--with-libcdata=no
+		--with-libclocale=no
+		--with-libcnotify=no
+		--with-libcsplit=no
+		--with-libuna=no
+		--with-libcfile=no
+		--with-libcpath=no
+		--with-libbfio=no
+		--with-libfcache=no
+		--with-libfvalue=no
+
+	)
+	# We want to contain our build flags
+	local CFLAGS="${CFLAGS}"
+	local LDFLAGS="${LDFLAGS}"
+
+	pushd "${TSK_LIBEWF_SRCDIR}" &>/dev/null || die
+
+	# Produce relocatable code
+	CFLAGS+=" -fPIC"
+	LDFLAGS+=" -fPIC"
+	econf "${myeconfargs[@]}"
+
+	# Do not waste CPU cycles on building ewftools
+	sed -e '/ewftools/ d' -i Makefile || die
+	emake
+
+	# Only install the headers and the library
+	emake -C libewf DESTDIR="${T}"/image install
+	emake -C include DESTDIR="${T}"/image install
+	find "${T}"/image -name '*.la' -delete || die
+
+	popd &>/dev/null || die
+}
+
+src_configure() {
+	local myeconfargs=(
+		--enable-offline="${TSK_JAR_DIR}"
+		$(use_enable java)
+		$(use_enable static-libs static)
+		$(use_enable test cppunit)
+		$(use_enable threads multithreading)
+		$(use_with aff afflib)
+		$(use_with zlib)
+	)
+	# TODO: add support for non-existing libraries:
+	# myeconfargs+=(
+	# 	$(use_with vhdi libvhdi)
+	# 	$(use_with vmdk libvmdk)
+	# 	$(use_with vslvm libvslvm)
+	# 	$(use_with vslvm libbfio) # not a typo
+	# )
+	myeconfargs+=(
+		--without-libvhdi
+		--without-libvmdk
+		--without-libvslvm
+		--without-libbfio
+	)
+
+	use ewf && tsk_compile_libewf
+	myeconfargs+=( $(use_with ewf libewf "${T}"/image) )
+
+	if use java; then
+		pushd "${S}"/bindings/java &>/dev/null || die
+		java-ant-2_src_configure
+		popd &>/dev/null || die
+	fi
+
+	econf "${myeconfargs[@]}"
+}
+
+src_compile() {
+	# Give it an existing bogus ivy home #672220
+	local -x IVY_HOME="${T}"
+
+	# Create symlinks of jars for the required dependencies
+	if use java; then
+		java-pkg_jar-from --into "${TSK_JAR_DIR}" c3p0
+		java-pkg_jar-from --into "${TSK_JAR_DIR}" commons-lang:3.6
+		java-pkg_jar-from --into "${TSK_JAR_DIR}" commons-validator
+		java-pkg_jar-from --into "${TSK_JAR_DIR}" gson:2.6
+		java-pkg_jar-from --into "${TSK_JAR_DIR}" guava
+		java-pkg_jar-from --into "${TSK_JAR_DIR}" jdbc-postgresql
+		java-pkg_jar-from --into "${TSK_JAR_DIR}" joda-time
+		java-pkg_jar-from --into "${TSK_JAR_DIR}" mchange-commons
+		java-pkg_jar-from --into "${TSK_JAR_DIR}" sparsebitset
+
+		# case-uco needs gson and expects it under case-uco/java/lib
+		# symlink it to the jar dir we create for java bindings
+		ln -s "${TSK_JAR_DIR}" "${S}"/case-uco/java/lib || die
+		ln -s ./gson.jar "${TSK_JAR_DIR}"/gson-2.8.5.jar || die
+	fi
+
+	# Create the doc output dirs if requested
+	if use doc; then
+		mkdir -p "${T}"/doc/{api-docs,jni-docs} || die
+	fi
+
+	emake all $(usex doc api-docs "")
+}
+
+src_install() {
+	# Give it an existing bogus ivy home #756766
+	local -x IVY_HOME="${T}"
+	local f
+
+	if use java; then
+		pushd "${S}"/bindings/java &>/dev/null || die
+
+		# Install case-uco
+		pushd "${S}"/case-uco/java &>/dev/null || die
+		java-pkg_newjar "dist/${PN}-caseuco-${PV}".jar "${PN}-caseuco.jar"
+		popd || die
+
+		# Install the bundled jar files as well as the
+		# sleuthkit jar installed here by case-uco
+		pushd "${TSK_JAR_DIR}" &>/dev/null || die
+		for f in *; do
+			# Skip the symlinks java-pkg_jar-from created
+			[[ -L ${f} ]] && continue
+
+			# Strip the version numbers as per eclass recommendation
+			[[ ${f} =~ -([0-9]+\.)+jar$ ]] || continue
+
+			java-pkg_newjar "${f}" "${f/${BASH_REMATCH[0]}/.jar}"
+		done
+		popd &>/dev/null || die
+
+		popd &>/dev/null || die
+	fi
+
+	default
+	# Default install target for case-uco installs the jar in the wrong place
+	rm -r "${ED}"/usr/share/java
+
+	# It unconditionally builds both api and jni docs
+	# We install conditionally based on the provided use flags
+	if use doc; then
+		dodoc -r "${T}"/doc/api-docs
+		use java && dodoc -r "${T}"/doc/jni-docs
+	fi
+
+	find "${D}" -name '*.la' -delete || die
+}
+
+src_test() {
+	emake -C "${S}"/unit_tests check
+}