Adding metadata

12 files changed, 783 insertions, 6 deletions

diff --git a/sci-mathematics/cgal/Manifest b/sci-mathematics/cgal/Manifest
index 05d44b47ce07..d7c075889f43 100644
--- a/sci-mathematics/cgal/Manifest
+++ b/sci-mathematics/cgal/Manifest
@@ -7,4 +7,8 @@ DIST CGAL-6.0.1-doc_html.tar.xz 59971752 BLAKE2B 050f078d7c56b5a9044b319f35c9602
 DIST CGAL-6.0.1.tar.xz 25659212 BLAKE2B 48a707b74f6fc823197e60ae9643001ff24efcb7adfcb325018ee54ce538ef5f356f19fb2e979c2b2cd5fb0945590d37abe3f41bae4a511c9c88e83edab03422 SHA512 f3dfd8f872d5ac016f6e2e1ae83a0c070fc352c1d97dd5012f774e708401a8ad7e78bc117a48dbc799aba49d6bd537470c35a52956d9484f877df72497cfc23d
 DIST CGAL-6.0.tar.xz 25979696 BLAKE2B dfc7785cc6398334b877a8839c2ea20e4540663f86230d54b45771519cf2ade31bb943e512714b72e5bc5af80978cfe9833332bbb1a75fa009de9d6caf6c8f89 SHA512 3c7aa6e5a014867cc2a2038c96ab7f62ab735d678efc580cc498fa27209cd338c4bba9524ea90d4dd88442e4df648791b83c465e7319ae5870f8c3c8827128e7
 DIST CGAL-6.1-doc_html.tar.xz 65517356 BLAKE2B 19dd8660be8ab84373809559e808e577701f14f8c4ae359877ec73ae958f40a3c18f12512a5900ec6c4d446297bc4d0f2c7aacfe0f15f72e58e402ec2c343958 SHA512 6b9f3f0762ad9760a7f6d6a4480bb64e339aa0ba0593bd7bfb0af02f00d5c2b710bfb6dad48a6837e4e01f32a01ecd9557c09fc3a1d1937d0abd920417ba4afb
+DIST CGAL-6.1.1-doc_html.tar.xz 65520064 BLAKE2B 05de9df026b7643375554a3d2b28e498071559555a3d4f2c74fe55151f89b3c746c7d76401795ac4694593e74e01d38ef1ed40997810423ec5cab46ef0ef4003 SHA512 223701d046ff41b3f4096e1fcb432404a18b49ec92f8a4a4bbc01d35a32318bc17caf45ddec9318feb2be602c5e00c172216dff8dc7d7d7b27321c740043b803
+DIST CGAL-6.1.1.tar.xz 26305296 BLAKE2B 4c96527dac7c1fd26d4a4de5df5bec3e2c4fcd0eae64edf5809e600a6623be1b2561354d7be2dfe44589dd37cba34f169d30d65fa78f42a1f296200a47477c2f SHA512 dc6ae82526697df986c755f0a2d4754b04810b8910bec794bed4f822cc2e15d6174e85649241295022acddca3cd10408e7b279b6da93e0506d44e7fc1e03b7c6
 DIST CGAL-6.1.tar.xz 26293988 BLAKE2B 21a154e26b54c985edcee10d5401020b272e1ff4a477b4eeaf9cffec0043f4fb4973c30088804a20a5ff9c7d974c65c198d5a8e626fa33910b5ab6175df973be SHA512 8921dad4802bb276348a6fccb5a4e0e191f0f03bd9224eeaa8f5525eab87c4dc949741bb0cb11e4127a080090635ae2f243fa5904376488e5b7dd966e0c312a5
+DIST CGAL-6.2-doc_html.tar.xz 74966988 BLAKE2B 667d164b0286cab7dbea9005d5a39d4115556568d3b4d05f2cf6ae38664b10784d72c18edca9b4538c44da6e4996187127e0f67d708fef2df762454923ca135d SHA512 651eb366083aa05877d5e743a501cd07480d1d8ac4dc48343ab991522d1a2c1b475a4183fddb27809d7f8b2d97983d9e2f92ad1068765411c832d675861e282d
+DIST CGAL-6.2.tar.xz 26596404 BLAKE2B 783d3adc86a369ec79a2b5acb4e421b1c64590929c4cc2e9de90e3ede6e926ac49723db0694778df66551cec05047aed356f598e436923b9a801b98670f0e56a SHA512 5f0a3e24d56250b1651fe9016d14da9dcc1af0dd1347b4daa0bf6ae8c512ab831ea66ce5655133497f9965071d2e200582b36ba29961ecb5cdc896b47a5d7e17
diff --git a/sci-mathematics/cgal/cgal-6.1.1.ebuild b/sci-mathematics/cgal/cgal-6.1.1.ebuild
new file mode 100644
index 000000000000..8e78d90d04a0
--- /dev/null
+++ b/sci-mathematics/cgal/cgal-6.1.1.ebuild
@@ -0,0 +1,207 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# Modules provided by dev-cpp/eigen
+CMAKE_REMOVE_MODULES_LIST=( FindEigen3 )
+inherit cmake cuda flag-o-matic multiprocessing
+
+DESCRIPTION="C++ library for geometric algorithms and data structures"
+HOMEPAGE="https://www.cgal.org/"
+
+if [[ ${PV} == *9999* ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/${PN^^}/${PN}.git"
+else
+	SRC_URI="
+		https://github.com/CGAL/cgal/releases/download/v${PV}/${P^^}.tar.xz
+		doc? (
+			https://github.com/CGAL/cgal/releases/download/v${PV}/${P^^}-doc_html.tar.xz
+		)
+	"
+	S="${WORKDIR}/${P^^}"
+	KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
+fi
+
+LICENSE="LGPL-3 GPL-3 Boost-1.0"
+SLOT="0/14"
+
+IUSE="doc test test-full"
+RESTRICT="!test? ( test )"
+
+# Referenced in the cmake files.
+RDEPEND="
+	dev-cpp/eigen:=
+	dev-libs/boost:=
+	dev-libs/gmp:=[cxx]
+	dev-libs/mpfr:=
+	virtual/zlib:=
+"
+DEPEND="${RDEPEND}
+	test? (
+		net-libs/libssh[server]
+	)
+"
+BDEPEND="
+	virtual/pkgconfig
+"
+
+src_prepare() {
+	if use doc; then
+		rm -r "doc_html" || die
+		mv "${WORKDIR}/doc_html" "${S}/" || die
+	fi
+
+	cmake_src_prepare
+}
+
+src_configure() {
+	# Header only since 5.0
+
+	local mycmakeargs=(
+		-DCMAKE_POLICY_DEFAULT_CMP0167="NEW"
+
+		-DCGAL_INSTALL_LIB_DIR="$(get_libdir)"
+		-DCGAL_INSTALL_CMAKE_DIR="$(get_libdir)/cmake/CGAL"
+
+		# https://github.com/CGAL/cgal/wiki/Testing#using-ctest
+		-DCGAL_ENABLE_TESTING="$(usex test)"
+
+		# Forcibly wipe to get rid of NDEBUG. see below
+		-DCMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE^^}=""
+	)
+
+	if use test; then
+		# include/CGAL/config.h:53:4: error: #error The test-suite needs no NDEBUG defined
+		filter-flags -DNDEBUG*
+
+		# cmake/modules/display-third-party-libs-versions.cmake
+		# these need use flags eventually
+		local deps=(
+			VTK
+		)
+		deps+=(
+			# Ceres
+			# GLPK
+			# # GMP
+			# ITK
+			# ITT
+			# LASLIB
+			# libpointmatcher
+			# METIS
+			# MPFI
+			# # MPFR
+			# OpenCV
+			# OpenGR
+			# OSQP
+			# SCIP
+			# SuiteSparse
+			# TBB
+			# # VTK
+			# # ZLIB
+			# # LEDA # unused
+			# # MKL
+			# # RS
+			# # RS3
+			# SCIP
+			# # UMFPACK
+			# Eigen3
+			Qt6
+			# # ESBTL # unused
+			# # IPE # unused
+			# # LibSSH # unused
+			OpenMesh
+		)
+
+		if use test-full; then
+			# Optionally depends on sci-lib/vtk, which looks up a cuda compiler iff build with USE=cuda.
+			# We therefore need to set the correct CUDAHOSTCXX and setup the sandbox.
+			if has_version "sci-libs/vtk[cuda]" ; then
+				cuda_add_sandbox
+				addpredict "/dev/char/"
+				local -x CUDAHOSTCXX="$(cuda_gccdir)"
+			fi
+		else
+			deps+=(
+				# Threads
+				# Boost
+			)
+		fi
+
+		mycmakeargs+=(
+			-DCGAL_CTEST_DISPLAY_MEM_AND_TIME="yes"
+			# exits some tests early
+			-DCGAL_TEST_SUITE="yes"
+			-DCGAL_TEST_DRAW_FUNCTIONS="yes"
+			-DCGAL_DISABLE_GMP="no"
+			# -DCGAL_WITH_benchmark="$(usex test "$(usex benchmark)")" # wired up but not present
+			-DCGAL_WITH_demos="$(usex test "$(usex test-full)")"
+			-DCGAL_WITH_examples="$(usex test "$(usex test-full)")"
+		)
+
+		if [[ -n "${deps[@]}" ]]; then
+			mycmakeargs+=(
+				# 964750
+				# this does not work as demos and examples are separate cmake calls that ignore mycmakeargs
+				$(printf -- "-DCMAKE_DISABLE_FIND_PACKAGE_%s=yes " "${deps[@]}")
+			)
+		fi
+	fi
+
+	cmake_src_configure
+}
+
+src_compile() {
+	if use test; then
+		local targets=(
+			ALL_CGAL_TARGETS
+		)
+		if use test-full; then
+			targets+=(
+				demos
+				examples
+			)
+		fi
+
+		cmake_src_compile "${targets[@]}"
+	fi
+}
+
+src_test() {
+	# tests have split compilation & execution stages that do not depend on each other, but break when run out of order
+	# We pass CMAKE_BUILD_PARALLEL_LEVEL to run compilation tests in parallel
+	local -x CMAKE_BUILD_PARALLEL_LEVEL="$(get_makeopts_jobs)"
+	einfo "using CMAKE_BUILD_PARALLEL_LEVEL=${CMAKE_BUILD_PARALLEL_LEVEL}"
+
+	# We pass CTEST_PARALLEL_LEVEL to run execution tests in parallel
+	local -x CTEST_PARALLEL_LEVEL="$(get_makeopts_jobs)"
+	einfo "using CTEST_PARALLEL_LEVEL=${CTEST_PARALLEL_LEVEL}"
+
+	local -x QT_QPA_PLATFORM="offscreen"
+
+	local CMAKE_SKIP_TESTS=(
+		region_growing_planes_on_point_set_3
+		mesh_3D_image_with_image_initialization
+	)
+
+	cmake_src_test -j1
+}
+
+src_install() {
+	if use doc; then
+		local HTML_DOCS=(
+			"doc_html/."
+		)
+	fi
+
+	cmake_src_install
+
+	# if use demos; then
+	# 	dodoc -r demo
+	# fi
+
+	# if use examples; then
+	# 	dodoc -r examples
+	# fi
+}
diff --git a/sci-mathematics/cgal/cgal-6.2.ebuild b/sci-mathematics/cgal/cgal-6.2.ebuild
new file mode 100644
index 000000000000..a54f36906bc4
--- /dev/null
+++ b/sci-mathematics/cgal/cgal-6.2.ebuild
@@ -0,0 +1,187 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+CMAKE_BUILD_TYPE="Debug"
+
+# Modules provided by dev-cpp/eigen
+CMAKE_REMOVE_MODULES_LIST=( FindEigen3 )
+inherit cmake cuda flag-o-matic multiprocessing
+
+DESCRIPTION="C++ library for geometric algorithms and data structures"
+HOMEPAGE="https://www.cgal.org/"
+
+SRC_URI="
+	https://github.com/CGAL/cgal/releases/download/v${PV}/${P^^}.tar.xz
+	doc? (
+		https://github.com/CGAL/cgal/releases/download/v${PV}/${P^^}-doc_html.tar.xz
+	)
+"
+S="${WORKDIR}/${P^^}"
+
+LICENSE="LGPL-3 GPL-3 Boost-1.0"
+SLOT="0/14"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
+
+IUSE="demos doc examples test"
+RESTRICT="!test? ( test )"
+
+# This seems wrong.
+RDEPEND="
+	dev-cpp/eigen:=
+	dev-libs/boost:=
+	dev-libs/gmp:=[cxx]
+	dev-libs/mpfr:=
+	virtual/zlib:=
+	x11-libs/libX11:=
+	virtual/glu:=
+	virtual/opengl:=
+"
+DEPEND="${RDEPEND}
+	test? (
+		net-libs/libssh[server]
+		demos? (
+			dev-qt/qtbase:6[gui,opengl,widgets]
+		)
+		examples? (
+			amd64? (
+				media-gfx/openmesh
+			)
+			dev-qt/qtbase:6[gui,opengl,widgets]
+		)
+	)
+"
+BDEPEND="
+	virtual/pkgconfig
+"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-4.11.1-fix-buildsystem.patch"
+)
+
+pkg_pretend() {
+	if ! use test && { use demos || use examples; }; then
+		ewarn "The \"demos\" and \"examples\" useflag require USE=\"test\""
+	fi
+}
+
+src_prepare() {
+	if use doc; then
+		rm -r "doc_html" || die
+		mv "${WORKDIR}/doc_html" "${S}/" || die
+	fi
+
+	if use examples; then
+		rm -Rf \
+			examples/BGL_polyhedron_3 \
+			examples/BGL_surface_mesh \
+			examples/Isosurfacing_3 \
+			examples/Mesh_3 \
+			examples/Polygon_mesh_processing \
+			examples/Surface_mesh_simplification \
+		|| die
+	fi
+
+	cmake_src_prepare
+}
+
+src_compile() {
+	cmake_src_compile demos
+	cmake_src_compile examples
+	cmake_src_compile ALL_CGAL_TARGETS
+}
+
+src_configure() {
+	# Header only
+	filter-flags -DNDEBUG*
+
+	local deps=(
+		ESBTL
+		F2C
+		GLPK
+		IPE
+		ITT
+		LASLIB
+		LEDA
+		libpointmatcher
+		LibSSH
+		MKL
+		MPFI
+		# MPFR
+		OpenCV
+		OpenGR
+		OpenMesh
+		OSQP
+		RS
+		RS3
+		SCIP
+		TBB
+		UMFPACK
+		VTK
+	)
+
+	local mycmakeargs=(
+		-DCMAKE_POLICY_DEFAULT_CMP0167="NEW"
+		# 964750
+		"$(printf -- "-DCMAKE_DISABLE_FIND_PACKAGE_%s=yes " "${deps[@]}")"
+
+		-DCGAL_INSTALL_LIB_DIR="$(get_libdir)"
+		-DCGAL_INSTALL_CMAKE_DIR="$(get_libdir)/cmake/CGAL"
+
+		# https://github.com/CGAL/cgal/wiki/Testing#using-ctest
+		-DCGAL_ENABLE_TESTING="$(usex test)"
+		-DCGAL_CTEST_DISPLAY_MEM_AND_TIME="yes"
+		# exits some tests early
+		-DCGAL_TEST_SUITE="yes"
+		-DCGAL_TEST_DRAW_FUNCTIONS="yes"
+		-DCGAL_WITH_GMPXX="yes"
+
+		# -DCGAL_WITH_benchmark="$(usex test "$(usex benchmark)")" # wired up but not present
+		-DCGAL_WITH_demos="$(usex test "$(usex demos)")"
+		-DCGAL_WITH_examples="$(usex test "$(usex examples)")"
+	)
+
+	# Optionally depends on sci-lib/vtk, which looks up a cuda compiler iff build with USE=cuda.
+	# We therefore need to set the correct CUDAHOSTCXX and setup the sandbox.
+	if use test && { use demos || use examples; }; then
+		if has_version "sci-libs/vtk[cuda]" ; then
+			cuda_add_sandbox -w
+			addpredict "/dev/char/"
+		fi
+	fi
+
+	cmake_src_configure
+}
+
+src_test() {
+	# tests have split compilation & execution stages that do not depend on each other, but break when run out of order
+	# We pass CMAKE_BUILD_PARALLEL_LEVEL to run compilation tests in parallel
+	local -x CMAKE_BUILD_PARALLEL_LEVEL="$(get_makeopts_jobs)"
+	einfo "using CMAKE_BUILD_PARALLEL_LEVEL=${CMAKE_BUILD_PARALLEL_LEVEL}"
+
+	# We pass CTEST_PARALLEL_LEVEL to run execution tests in parallel
+	local -x CTEST_PARALLEL_LEVEL="$(get_makeopts_jobs)"
+	einfo "using CTEST_PARALLEL_LEVEL=${CTEST_PARALLEL_LEVEL}"
+
+	local -x QT_QPA_PLATFORM="offscreen"
+	cmake_src_test -j1
+}
+
+src_install() {
+	if use doc; then
+		local HTML_DOCS=(
+			"doc_html/."
+		)
+	fi
+
+	cmake_src_install
+
+	if use demos; then
+		dodoc -r demos
+	fi
+
+	if use examples; then
+		dodoc -r examples
+	fi
+}
diff --git a/sci-mathematics/cgal/cgal-9999.ebuild b/sci-mathematics/cgal/cgal-9999.ebuild
new file mode 100644
index 000000000000..8f67037d87f7
--- /dev/null
+++ b/sci-mathematics/cgal/cgal-9999.ebuild
@@ -0,0 +1,238 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# Modules provided by dev-cpp/eigen
+CMAKE_REMOVE_MODULES_LIST=( FindEigen3 )
+inherit cmake cuda flag-o-matic multiprocessing
+
+DESCRIPTION="C++ library for geometric algorithms and data structures"
+HOMEPAGE="https://www.cgal.org/"
+
+if [[ ${PV} == *9999* ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/${PN^^}/${PN}.git"
+else
+	SRC_URI="
+		https://github.com/CGAL/cgal/releases/download/v${PV}/${P^^}.tar.xz
+		doc? (
+			https://github.com/CGAL/cgal/releases/download/v${PV}/${P^^}-doc_html.tar.xz
+		)
+	"
+	S="${WORKDIR}/${P^^}"
+	KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
+fi
+
+LICENSE="LGPL-3 GPL-3 Boost-1.0"
+SLOT="0/14"
+
+IUSE="demos doc examples test"
+RESTRICT="!test? ( test )"
+
+REQUIRED_USE="
+	test? ( || (
+		demos examples
+	) )
+"
+
+# Referenced in the cmake files.
+RDEPEND="
+	dev-cpp/eigen:=
+	dev-libs/boost:=
+	dev-libs/gmp:=[cxx]
+	dev-libs/mpfr:=
+	virtual/zlib:=
+"
+DEPEND="${RDEPEND}
+	test? (
+		net-libs/libssh[server]
+		demos? (
+			dev-qt/qtbase:6[gui,opengl,widgets]
+		)
+		examples? (
+			amd64? (
+				media-gfx/openmesh
+			)
+			dev-qt/qtbase:6[gui,opengl,widgets]
+		)
+	)
+"
+BDEPEND="
+	virtual/pkgconfig
+"
+
+pkg_pretend() {
+	if ! use test && { use demos || use examples; }; then
+		ewarn "The \"demos\" and \"examples\" useflag require USE=\"test\""
+	fi
+}
+
+src_prepare() {
+	if use doc; then
+		rm -r "doc_html" || die
+		mv "${WORKDIR}/doc_html" "${S}/" || die
+	fi
+
+	cmake_src_prepare
+}
+
+src_configure() {
+	# Header only since 5.0
+
+	local mycmakeargs=(
+		-DCMAKE_POLICY_DEFAULT_CMP0167="NEW"
+
+		-DCGAL_INSTALL_LIB_DIR="$(get_libdir)"
+		-DCGAL_INSTALL_CMAKE_DIR="$(get_libdir)/cmake/CGAL"
+
+		# https://github.com/CGAL/cgal/wiki/Testing#using-ctest
+		-DCGAL_ENABLE_TESTING="$(usex test)"
+
+		# Forcibly wipe to get rid of NDEBUG. see below
+		-DCMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE^^}=""
+	)
+
+	if use test; then
+		# include/CGAL/config.h:53:4: error: #error The test-suite needs no NDEBUG defined
+		filter-flags -DNDEBUG*
+
+		# cmake/modules/display-third-party-libs-versions.cmake
+		# these need use flags eventually
+		local deps=(
+			Ceres
+			GLPK
+			# GMP
+			ITK
+			ITT
+			LASLIB
+			libpointmatcher
+			METIS
+			MPFI
+			# MPFR
+			OpenCV
+			OpenGR
+			OSQP
+			SCIP
+			SuiteSparse
+			TBB
+			VTK
+			# ZLIB
+		)
+
+		if use demos || use examples; then
+			# Optionally depends on sci-lib/vtk, which looks up a cuda compiler iff build with USE=cuda.
+			# We therefore need to set the correct CUDAHOSTCXX and setup the sandbox.
+			if has_version "sci-libs/vtk[cuda]" ; then
+				cuda_add_sandbox
+				addpredict "/dev/char/"
+			fi
+
+			deps+=(
+				LEDA
+				# MKL
+				# RS
+				# RS3
+				SCIP
+				# UMFPACK
+			)
+		fi
+
+		if ! use demos; then
+			deps+=(
+				# Eigen3
+			)
+		fi
+
+		if ! use demos && ! use examples; then
+			deps+=(
+				# Boost
+				# Threads
+				Qt6
+			)
+		fi
+
+		if use examples; then
+			deps+=(
+				ESBTL
+			)
+		else
+			deps+=(
+				IPE
+				LibSSH
+				OpenMesh
+			)
+		fi
+
+		mycmakeargs+=(
+			-DCGAL_CTEST_DISPLAY_MEM_AND_TIME="yes"
+			# exits some tests early
+			-DCGAL_TEST_SUITE="yes"
+			-DCGAL_TEST_DRAW_FUNCTIONS="yes"
+			-DCGAL_DISABLE_GMP="no"
+			# -DCGAL_WITH_benchmark="$(usex test "$(usex benchmark)")" # wired up but not present
+			-DCGAL_WITH_demos="$(usex test "$(usex demos)")"
+			-DCGAL_WITH_examples="$(usex test "$(usex examples)")"
+		)
+		if [[ -n "${deps[@]}" ]]; then
+			mycmakeargs+=(
+				# 964750
+				# this does not work as demos and examples are separate cmake calls that ignore mycmakeargs
+				$(printf -- "-DCMAKE_DISABLE_FIND_PACKAGE_%s=yes " "${deps[@]}")
+			)
+		fi
+	fi
+
+	cmake_src_configure
+}
+
+src_compile() {
+	if use test; then
+		if use demos; then
+			cmake_src_compile demos
+		fi
+
+		if use examples; then
+			cmake_src_compile examples
+		fi
+
+		cmake_src_compile ALL_CGAL_TARGETS
+	fi
+}
+
+src_test() {
+	# tests have split compilation & execution stages that do not depend on each other, but break when run out of order
+	# We pass CMAKE_BUILD_PARALLEL_LEVEL to run compilation tests in parallel
+	local -x CMAKE_BUILD_PARALLEL_LEVEL="$(get_makeopts_jobs)"
+	einfo "using CMAKE_BUILD_PARALLEL_LEVEL=${CMAKE_BUILD_PARALLEL_LEVEL}"
+
+	# We pass CTEST_PARALLEL_LEVEL to run execution tests in parallel
+	local -x CTEST_PARALLEL_LEVEL="$(get_makeopts_jobs)"
+	einfo "using CTEST_PARALLEL_LEVEL=${CTEST_PARALLEL_LEVEL}"
+
+	local -x QT_QPA_PLATFORM="offscreen"
+
+	local CMAKE_SKIP_TESTS=(
+		region_growing_planes_on_point_set_3
+	)
+
+	cmake_src_test -j1
+}
+
+src_install() {
+	if use doc; then
+		local HTML_DOCS=(
+			"doc_html/."
+		)
+	fi
+
+	cmake_src_install
+
+	if use demos; then
+		dodoc -r demo
+	fi
+
+	if use examples; then
+		dodoc -r examples
+	fi
+}
diff --git a/sci-mathematics/cgal/metadata.xml b/sci-mathematics/cgal/metadata.xml
index 0b95ef078cd3..e55c86f997df 100644
--- a/sci-mathematics/cgal/metadata.xml
+++ b/sci-mathematics/cgal/metadata.xml
@@ -21,5 +21,10 @@
   <upstream>
     <remote-id type="cpe">cpe:/a:cgal:computational_geometry_algorithms_library</remote-id>
   </upstream>
+  <use>
+    <flag name="demos">Build demos during test (requires USE=test)</flag>
+    <flag name="examples">Build examples during test (requires USE=test)</flag>
+    <flag name="test-full">Run demos and examples when testing</flag>
+  </use>
   <origin>baldeagleos-repo</origin>
 </pkgmetadata>
diff --git a/sci-mathematics/clipper2/Manifest b/sci-mathematics/clipper2/Manifest
index 9da1aa46fe7c..bf10f26bfbd4 100644
--- a/sci-mathematics/clipper2/Manifest
+++ b/sci-mathematics/clipper2/Manifest
@@ -1,2 +1,3 @@
 DIST Clipper2_1.5.3.tar.gz 624450 BLAKE2B f1cc293f6b1dc2d4f5409c29a8b70daf70af9e4e7b58af9b55faec4a1481bd9f5ec89779bfa4fb728326cbf8a3b0770f0bafc34a52e380271d552afee1157379 SHA512 a56f1bf28a9baf8cbcf42d63e4c73f8b4a01eac9edfb59dafb752f67af7873bb46a256fc26f7bb839ee7051db69efb9a1c21c54b358cf55c84c4b137f7f2d804
 DIST Clipper2_1.5.4.tar.gz 625047 BLAKE2B c3e0b343429c5df28509f4bc92c25d31983a02fe6585f16f398750502ecf7ba5c7b04d1b31d8d44380705445570a558d94aca20b2a218568ca5cd2840d02243d SHA512 39153f35630ddc455ad4955a8b9b35f05bf3fad2a33c6e7232300b674a5172794a57c7bd18f96dd0a90d4607a44ecb32c92b0cacc7060d840d568032efaddf19
+DIST Clipper2_2.0.1.tar.gz 715527 BLAKE2B 1178409f05038a4e136928f241301f55977b3038df545a60d37f327ea55eb3594459ad0eb860346c5d63b8a227996fa90bb87e0cb129159604664c7425b8772e SHA512 ce753ae3752b7516a9e0cb23c9788d9533c204819d5451ee50cf3b69a06e24165fa9f5270781764c036ad597eef83cf80532a5bebce5c96f5230179dc3ed499a
diff --git a/sci-mathematics/clipper2/clipper2-1.5.3.ebuild b/sci-mathematics/clipper2/clipper2-1.5.3-r1.ebuild
index 2cb0a1762525..2016996d5a42 100644
--- a/sci-mathematics/clipper2/clipper2-1.5.3.ebuild
+++ b/sci-mathematics/clipper2/clipper2-1.5.3-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2025 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -14,7 +14,8 @@ SRC_URI="https://github.com/AngusJohnson/Clipper2/archive/refs/tags/${MY_P}.tar.
 S="${WORKDIR}/${MY_PN}-${MY_P}/CPP"
 
 LICENSE="Boost-1.0"
-SLOT="0"
+# SONAME
+SLOT="0/$(ver_cut 1)"
 KEYWORDS="amd64 ~arm64 ~x86"
 
 IUSE="test"
diff --git a/sci-mathematics/clipper2/clipper2-1.5.4.ebuild b/sci-mathematics/clipper2/clipper2-1.5.4-r1.ebuild
index 2cb0a1762525..2016996d5a42 100644
--- a/sci-mathematics/clipper2/clipper2-1.5.4.ebuild
+++ b/sci-mathematics/clipper2/clipper2-1.5.4-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2025 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -14,7 +14,8 @@ SRC_URI="https://github.com/AngusJohnson/Clipper2/archive/refs/tags/${MY_P}.tar.
 S="${WORKDIR}/${MY_PN}-${MY_P}/CPP"
 
 LICENSE="Boost-1.0"
-SLOT="0"
+# SONAME
+SLOT="0/$(ver_cut 1)"
 KEYWORDS="amd64 ~arm64 ~x86"
 
 IUSE="test"
diff --git a/sci-mathematics/clipper2/clipper2-2.0.1.ebuild b/sci-mathematics/clipper2/clipper2-2.0.1.ebuild
new file mode 100644
index 000000000000..ef5f4e931655
--- /dev/null
+++ b/sci-mathematics/clipper2/clipper2-2.0.1.ebuild
@@ -0,0 +1,48 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+MY_PN="Clipper2"
+MY_P=${MY_PN}_${PV}
+
+inherit cmake flag-o-matic
+
+DESCRIPTION="Polygon Clipping and Offsetting"
+HOMEPAGE="https://www.angusj.com/clipper2/Docs/Overview.htm"
+SRC_URI="https://github.com/AngusJohnson/Clipper2/archive/refs/tags/${MY_P}.tar.gz"
+S="${WORKDIR}/${MY_PN}-${MY_P}/CPP"
+
+LICENSE="Boost-1.0"
+# SONAME
+SLOT="0/$(ver_cut 1)"
+KEYWORDS="~amd64 ~arm64 ~x86"
+
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	test? ( dev-cpp/gtest )
+"
+
+src_prepare() {
+	cmake_src_prepare
+
+	#943720
+	sed -e 's/ -Werror//g' -i CMakeLists.txt || die
+}
+
+src_configure() {
+	append-flags -fno-strict-aliasing
+	filter-lto
+
+	local mycmakeargs=(
+		-DCLIPPER2_UTILS="no"
+		-DCLIPPER2_EXAMPLES="no"
+		-DCLIPPER2_TESTS="$(usex test)"
+		-DCLIPPER2_USINGZ="no"  # manifold src/third_party/CMakeLists.txt
+
+		-DUSE_EXTERNAL_GTEST="yes"
+	)
+	cmake_src_configure
+}
diff --git a/sci-mathematics/manifold/Manifest b/sci-mathematics/manifold/Manifest
index 23baa8f0a230..9a7670d88084 100644
--- a/sci-mathematics/manifold/Manifest
+++ b/sci-mathematics/manifold/Manifest
@@ -1,2 +1,3 @@
 DIST manifold-3.1.0.tar.gz 29612205 BLAKE2B 66f3dfed7e5e3a12720ac38860d396090e6a7cd6a435c53cd6afdb0b64048d9e2016cfaf54fe018a0bdd9663da486267278ded329bfdeb0ff0f15ececb3b3dd1 SHA512 259d7233a4d6f2ac6dcdf30d04bd82dd454da914c2aa77ebd0c76c2245b8e802beec62b52b3592c290adede4f57a0ee3b4abd82daec28012542fb4e0240dd1da
 DIST manifold-3.2.1.tar.gz 29615413 BLAKE2B 0c5d9029674a810e8db278521dd5b2f25ace6279ee9336d4df42bca5e672133c998619c5cb7190328c0f6ac4ce95ec3ff474e6abb36a27d36df3e96a11c0911e SHA512 f2b69ac4453829896db4ac89dd54654cc7d2b36dd328d880b392ed8d40a2e2c7420d02ef06f6ae840a423c2a17bae0eb022d4444a39af9e08111bf11f9563092
+DIST manifold-3.5.2.tar.gz 30975253 BLAKE2B 2d2ef3418d90905a23ac68f47cb5059800680b49279b5222a539a38e30d3dfa87d6fbda70071d9cac89a82d4740b939da3d70baa9aee7c95b84feb3ac02257af SHA512 986ab180a8a94f1c2b7cd9952eebe1241564b869c589792778674f8f56b7a6cb799b43f06ca16c0ea4fcaa517034d2a2cd240e0e9f9c2dfb5b5cb4ed73b303a8
diff --git a/sci-mathematics/manifold/manifold-3.5.2.ebuild b/sci-mathematics/manifold/manifold-3.5.2.ebuild
new file mode 100644
index 000000000000..aa78a743a9b8
--- /dev/null
+++ b/sci-mathematics/manifold/manifold-3.5.2.ebuild
@@ -0,0 +1,83 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{13..14} )
+inherit cmake python-single-r1
+
+DESCRIPTION="Geometry library for topological robustness"
+HOMEPAGE="https://github.com/elalish/manifold"
+
+if [[ ${PV} == *9999* ]] ; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/elalish/manifold.git"
+else
+	if [[ ${PV} = *pre* ]] ; then
+		COMMIT="e7e0780114881dcf6e5ad934323f2595966865f9"
+		SRC_URI="https://github.com/elalish/manifold/archive/${COMMIT}.tar.gz -> ${P}.tar.gz"
+		S="${WORKDIR}/${PN}-${COMMIT}"
+	else
+		SRC_URI="https://github.com/elalish/manifold/releases/download/v${PV}/${P}.tar.gz"
+	fi
+
+	KEYWORDS="~amd64 ~arm64 ~x86"
+fi
+
+LICENSE="Apache-2.0"
+# SONAME
+SLOT="0/3"
+
+IUSE="assimp debug python +tbb test"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	sci-mathematics/clipper2:=
+	assimp? ( media-libs/assimp:= )
+	tbb? ( dev-cpp/tbb:= )
+	python? ( ${PYTHON_DEPS}
+		$(python_gen_cond_dep '
+			dev-python/numpy[${PYTHON_USEDEP}]
+		')
+	)
+"
+DEPEND="
+	python? (
+		$(python_gen_cond_dep '
+			>=dev-python/nanobind-2.1.0[${PYTHON_USEDEP}]
+		')
+	)
+	test? ( dev-cpp/gtest )
+	${RDEPEND}
+"
+
+pkg_setup() {
+	use python && python-single-r1_pkg_setup
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DMANIFOLD_CROSS_SECTION="yes"
+		-DMANIFOLD_CROSS_SECTION_BACKEND="clipper2" # boolean2
+		-DMANIFOLD_DEBUG="$(usex debug)"
+		-DMANIFOLD_DOWNLOADS="no"
+		-DASSIMP_ENABLE="$(usex assimp)"
+		-DMANIFOLD_JSBIND="no"
+		-DMANIFOLD_PAR="$(usex tbb ON OFF)"
+		-DMANIFOLD_STRICT="no" # adds -Werror
+		-DMANIFOLD_PYBIND="$(usex python)"
+		-DMANIFOLD_TEST="$(usex test)"
+	)
+
+	cmake_src_configure
+}
+
+src_test() {
+	if use x86; then
+		local -x GTEST_FILTER="-Properties.ToleranceSphere:Boolean.AlmostCoplanar:Smooth.RefineQuads:Smooth.ToLength:Smooth.Torus"
+	fi
+
+	cmake_src_test
+}
diff --git a/sci-mathematics/manifold/manifold-9999.ebuild b/sci-mathematics/manifold/manifold-9999.ebuild
index 0ede59113145..aa78a743a9b8 100644
--- a/sci-mathematics/manifold/manifold-9999.ebuild
+++ b/sci-mathematics/manifold/manifold-9999.ebuild
@@ -34,7 +34,7 @@ REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 RESTRICT="!test? ( test )"
 
 RDEPEND="
-	sci-mathematics/clipper2
+	sci-mathematics/clipper2:=
 	assimp? ( media-libs/assimp:= )
 	tbb? ( dev-cpp/tbb:= )
 	python? ( ${PYTHON_DEPS}
@@ -60,9 +60,10 @@ pkg_setup() {
 src_configure() {
 	local mycmakeargs=(
 		-DMANIFOLD_CROSS_SECTION="yes"
+		-DMANIFOLD_CROSS_SECTION_BACKEND="clipper2" # boolean2
 		-DMANIFOLD_DEBUG="$(usex debug)"
 		-DMANIFOLD_DOWNLOADS="no"
-		-DMANIFOLD_EXPORT="$(usex assimp)"
+		-DASSIMP_ENABLE="$(usex assimp)"
 		-DMANIFOLD_JSBIND="no"
 		-DMANIFOLD_PAR="$(usex tbb ON OFF)"
 		-DMANIFOLD_STRICT="no" # adds -Werror