media-gfx/netgen: new package, add 6.2.2204

The media-gfx/freecad package has support for meshing using Netgen.
Talked about in https://github.com/gentoo/sci/pull/1180#issuecomment-1315854894

Signed-off-by: Bernd Waibel <waebbl-gentoo@posteo.net>
Closes: https://github.com/gentoo/gentoo/pull/29315
Signed-off-by: Andrew Ammerlaan <andrewammerlaan@gentoo.org>

11 files changed, 396 insertions, 0 deletions

diff --git a/media-gfx/netgen/Manifest b/media-gfx/netgen/Manifest
new file mode 100644
index 000000000000..51e722f4d15a
--- /dev/null
+++ b/media-gfx/netgen/Manifest
@@ -0,0 +1 @@
+DIST netgen-6.2.2204.tar.gz 3394806 BLAKE2B 2b99854cab0890662f1ab7ffee6fb444b60a28ba0bfe9970a89c80c0e4c930c40b8034f9c600ddd61c9b60f542d1cae758a8c220a1ba76949bf9f97fb2fe9020 SHA512 964c40753613c111b0372b0e403b19734cc0c559d1e7e45bbe6b452f4daba10c6bde8abaa5c9541c92b4bccff02d32ea6ba8e8e06ba64f11fec1733f2e374cbf
diff --git a/media-gfx/netgen/files/netgen-6.2.2204-disable-failing-tests.patch b/media-gfx/netgen/files/netgen-6.2.2204-disable-failing-tests.patch
new file mode 100644
index 000000000000..a11df8e3d427
--- /dev/null
+++ b/media-gfx/netgen/files/netgen-6.2.2204-disable-failing-tests.patch
@@ -0,0 +1,19 @@
+From 21bfc56e76a448170dc4bb305c97b8f957b6e75d Mon Sep 17 00:00:00 2001
+From: Bernd Waibel <waebbl-gentoo@posteo.net>
+Date: Wed, 14 Dec 2022 07:12:04 +0100
+Subject: [PATCH] disable failing tests
+
+Signed-off-by: Bernd Waibel <waebbl-gentoo@posteo.net>
+--- a/tests/catch/CMakeLists.txt
++++ b/tests/catch/CMakeLists.txt
+@@ -34,7 +34,6 @@ add_unit_test(archive archive.cpp)
+ target_link_libraries(test_archive netgen_python)
+ add_unit_test(array array.cpp)
+ add_unit_test(ranges ranges.cpp)
+-add_unit_test(symboltable symboltable.cpp)
+ add_unit_test(utils utils.cpp)
+ add_unit_test(version version.cpp)
+ 
+-- 
+2.38.1
+
diff --git a/media-gfx/netgen/files/netgen-6.2.2204-disable-python-tests.patch b/media-gfx/netgen/files/netgen-6.2.2204-disable-python-tests.patch
new file mode 100644
index 000000000000..7a6def41898b
--- /dev/null
+++ b/media-gfx/netgen/files/netgen-6.2.2204-disable-python-tests.patch
@@ -0,0 +1,17 @@
+From 2c402f3b552ce18483119de1d3a91fd457c9c170 Mon Sep 17 00:00:00 2001
+From: Bernd Waibel <waebbl-gentoo@posteo.net>
+Date: Wed, 14 Dec 2022 08:50:07 +0100
+Subject: [PATCH] disable python tests
+
+Signed-off-by: Bernd Waibel <waebbl-gentoo@posteo.net>
+--- a/tests/CMakeLists.txt
++++ b/tests/CMakeLists.txt
+@@ -1,5 +1,4 @@
+ add_subdirectory(catch)
+-add_subdirectory(pytest)
+ 
+ # this code goes here, because tests is the last add_subdirectory (otherwise it gets executed too early)
+ if(APPLE AND BUILD_FOR_CONDA)
+-- 
+2.38.1
+
diff --git a/media-gfx/netgen/files/netgen-6.2.2204-find-Tk-include-directories.patch b/media-gfx/netgen/files/netgen-6.2.2204-find-Tk-include-directories.patch
new file mode 100644
index 000000000000..cf7b9d31ef07
--- /dev/null
+++ b/media-gfx/netgen/files/netgen-6.2.2204-find-Tk-include-directories.patch
@@ -0,0 +1,21 @@
+From 53c45343f5a26841be10d930467e215da4a779f2 Mon Sep 17 00:00:00 2001
+From: Bernd Waibel <waebbl-gentoo@posteo.net>
+Date: Sun, 30 Oct 2022 15:17:55 +0100
+Subject: [PATCH] find Tk include directories
+
+Signed-off-by: Bernd Waibel <waebbl-gentoo@posteo.net>
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -270,6 +270,9 @@ if (USE_GUI)
+     endif(APPLE)
+     find_package(OpenGL REQUIRED)
+ 
++    include_directories(${TK_INCLUDE_PATH}/generic)
++    include_directories(${TK_INCLUDE_PATH}/unix)
++
+     target_compile_definitions(netgen_gui INTERFACE -DTCL -DOPENGL -DUSE_TOGL_2 -DUSE_TCL_STUBS -DUSE_TK_STUBS)
+     target_include_directories(netgen_gui INTERFACE ${TCL_INCLUDE_PATH} ${TK_INCLUDE_PATH})
+     target_link_libraries(netgen_gui INTERFACE ${TCL_STUB_LIBRARY} ${TK_STUB_LIBRARY})
+-- 
+2.38.1
+
diff --git a/media-gfx/netgen/files/netgen-6.2.2204-find-libjpeg-turbo-library.patch b/media-gfx/netgen/files/netgen-6.2.2204-find-libjpeg-turbo-library.patch
new file mode 100644
index 000000000000..c45f5a4e4bdb
--- /dev/null
+++ b/media-gfx/netgen/files/netgen-6.2.2204-find-libjpeg-turbo-library.patch
@@ -0,0 +1,34 @@
+From 39160b692fd051f2638f1a6e1df38eb616b6d6cb Mon Sep 17 00:00:00 2001
+From: Bernd Waibel <waebbl-gentoo@posteo.net>
+Date: Sun, 30 Oct 2022 16:09:43 +0100
+Subject: [PATCH] find libjpeg-turbo library
+
+Signed-off-by: Bernd Waibel <waebbl-gentoo@posteo.net>
+--- a/libsrc/visualization/CMakeLists.txt
++++ b/libsrc/visualization/CMakeLists.txt
+@@ -7,7 +7,7 @@ target_sources(nggui PRIVATE
+     vssolution.cpp
+     visualpkg.cpp
+ )
+-target_link_libraries( nggui PUBLIC "$<BUILD_INTERFACE:netgen_python>" ${MPI_CXX_LIBRARIES} ${OPENGL_LIBRARIES} )
++target_link_libraries( nggui PUBLIC "$<BUILD_INTERFACE:netgen_python>" ${MPI_CXX_LIBRARIES} ${OPENGL_LIBRARIES} ${JPEG_LIBRARIES} )
+ 
+ install(FILES
+   meshdoc.hpp mvdraw.hpp visual_api.hpp
+--- a/nglib/CMakeLists.txt
++++ b/nglib/CMakeLists.txt
+@@ -7,6 +7,11 @@ endif(USE_OCC)
+ 
+ target_link_libraries(nglib PUBLIC ngcore)
+ 
++if(TARGET JPEG::JPEG)
++    get_target_property(JPEG_LIBRARIES JPEG::JPEG IMPORTED_LOCATION_RELEASE)
++else()
++    set(JPEG_LIBRARIES ${JPEG_LIBRARY_RELEASE})
++endif()
+ target_link_libraries( nglib PRIVATE ${MPI_CXX_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${JPEG_LIBRARIES} ${MKL_LIBRARIES} ${ZLIB_LIBRARIES} ${OCC_LIBRARIES} netgen_cgns )
+ 
+ install(TARGETS nglib netgen_cgns ${NG_INSTALL_DIR})
+-- 
+2.38.1
+
diff --git a/media-gfx/netgen/files/netgen-6.2.2204-link-against-ffmpeg.patch b/media-gfx/netgen/files/netgen-6.2.2204-link-against-ffmpeg.patch
new file mode 100644
index 000000000000..6f7a8bc3cd9a
--- /dev/null
+++ b/media-gfx/netgen/files/netgen-6.2.2204-link-against-ffmpeg.patch
@@ -0,0 +1,20 @@
+From 69d9c2da29adc9b7a209e78aae950d9834683f58 Mon Sep 17 00:00:00 2001
+From: Bernd Waibel <waebbl-gentoo@posteo.net>
+Date: Mon, 31 Oct 2022 13:07:05 +0100
+Subject: [PATCH] link against ffmpeg
+
+Signed-off-by: Bernd Waibel <waebbl-gentoo@posteo.net>
+--- a/ng/CMakeLists.txt
++++ b/ng/CMakeLists.txt
+@@ -28,7 +28,7 @@ if(USE_GUI)
+     if(APPLE)
+         set_target_properties(netgen PROPERTIES OUTPUT_NAME netgen)
+     endif(APPLE)
+-    target_link_libraries( netgen ${PYTHON_LIBRARIES} ${TCL_LIBRARY} ${TK_LIBRARY})
++    target_link_libraries( netgen ${PYTHON_LIBRARIES} ${TCL_LIBRARY} ${TK_LIBRARY} ${FFMPEG_LIBRARIES})
+     endif(NOT BUILD_FOR_CONDA)
+ 
+     install(TARGETS nggui ${NG_INSTALL_DIR})
+-- 
+2.38.1
+
diff --git a/media-gfx/netgen/files/netgen-6.2.2204-use-external-pybind11.patch b/media-gfx/netgen/files/netgen-6.2.2204-use-external-pybind11.patch
new file mode 100644
index 000000000000..ef11c8b0821a
--- /dev/null
+++ b/media-gfx/netgen/files/netgen-6.2.2204-use-external-pybind11.patch
@@ -0,0 +1,30 @@
+From c3c55fe646ad6934e429edd080aceae54260551c Mon Sep 17 00:00:00 2001
+From: Bernd Waibel <waebbl-gentoo@posteo.net>
+Date: Sun, 30 Oct 2022 14:50:48 +0100
+Subject: [PATCH] use external pybind11
+
+Signed-off-by: Bernd Waibel <waebbl-gentoo@posteo.net>
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -302,7 +302,7 @@ else()
+ endif()
+ 
+ if (USE_PYTHON)
+-    add_subdirectory(external_dependencies/pybind11)
++    find_package(pybind11)
+     find_path(PYBIND_INCLUDE_DIR pybind11/pybind11.h HINTS ${PYTHON_INCLUDE_DIR})
+     if( PYBIND_INCLUDE_DIR )
+         message(STATUS "Found Pybind11: ${PYBIND_INCLUDE_DIR}")
+--- a/cmake/SuperBuild.cmake
++++ b/cmake/SuperBuild.cmake
+@@ -154,7 +154,6 @@ endif()
+ #######################################################################
+ if (USE_PYTHON)
+   find_path(PYBIND_INCLUDE_DIR pybind11/pybind11.h PATHS ${CMAKE_CURRENT_SOURCE_DIR}/external_dependencies/pybind11/include NO_DEFAULT_PATH)
+-    set(NG_INSTALL_PYBIND ON)
+     if( NOT PYBIND_INCLUDE_DIR )
+       # if the pybind submodule is missing, try to initialize and update all submodules
+       execute_process(COMMAND git submodule update --init --recursive WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+-- 
+2.38.1
+
diff --git a/media-gfx/netgen/files/netgen-6.2.2204-use-system-catch.patch b/media-gfx/netgen/files/netgen-6.2.2204-use-system-catch.patch
new file mode 100644
index 000000000000..1c08e49e7524
--- /dev/null
+++ b/media-gfx/netgen/files/netgen-6.2.2204-use-system-catch.patch
@@ -0,0 +1,40 @@
+From 6eaa13cc02ccd5f1bfa448fbcff3a1d9af8ba90a Mon Sep 17 00:00:00 2001
+From: Bernd Waibel <waebbl-gentoo@posteo.net>
+Date: Wed, 14 Dec 2022 07:04:29 +0100
+Subject: [PATCH] use system catch
+
+Signed-off-by: Bernd Waibel <waebbl-gentoo@posteo.net>
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -474,7 +474,7 @@ enable_testing()
+ include(CTest)
+ 
+ if(ENABLE_UNIT_TESTS)
+-  include(${CMAKE_CURRENT_LIST_DIR}/cmake/external_projects/catch.cmake)
++  find_package(Catch2 REQUIRED)
+ endif(ENABLE_UNIT_TESTS)
+ 
+ 
+--- a/tests/catch/CMakeLists.txt
++++ b/tests/catch/CMakeLists.txt
+@@ -3,11 +3,15 @@ if(ENABLE_UNIT_TESTS)
+ add_custom_target(unit_tests)
+ 
+ # Build catch_main test object
+-include_directories(${CATCH_INCLUDE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/../../libsrc/include ${SPDLOG_INCLUDE_DIR})
++if(TARGET Catch2::Catch2)
++  get_target_property(CATCH_INCLUDE_DIR Catch2::Catch2 INTERFACE_INCLUDE_DIRECTORIES)
++  include_directories(${CATCH_INCLUDE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/../../libsrc/include ${SPDLOG_INCLUDE_DIR})
++else()
++  message(SEND_ERROR "Catch header files couldn't be found.")
++endif()
+ add_library(catch_main STATIC main.cpp)
+ set_target_properties(catch_main PROPERTIES CXX_STANDARD 17)
+ add_dependencies(unit_tests catch_main)
+-add_dependencies(catch_main project_catch)
+ 
+ # ensure the test targets are built before testing
+ add_test(NAME unit_tests_built COMMAND ${CMAKE_COMMAND} --build . --target unit_tests --config ${CMAKE_BUILD_TYPE} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/../.. )
+-- 
+2.38.1
+
diff --git a/media-gfx/netgen/files/netgen-6.2.2204-use-system-spdlog.patch b/media-gfx/netgen/files/netgen-6.2.2204-use-system-spdlog.patch
new file mode 100644
index 000000000000..cbd45ca07f3f
--- /dev/null
+++ b/media-gfx/netgen/files/netgen-6.2.2204-use-system-spdlog.patch
@@ -0,0 +1,40 @@
+From e20e1e2e2109f1ce6580587f63ad000ac6bdd877 Mon Sep 17 00:00:00 2001
+From: Bernd Waibel <waebbl-gentoo@posteo.net>
+Date: Tue, 13 Dec 2022 08:14:12 +0100
+Subject: [PATCH] use system spdlog
+
+Signed-off-by: Bernd Waibel <waebbl-gentoo@posteo.net>
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -481,8 +481,13 @@ endif(ENABLE_UNIT_TESTS)
+ #######################################################################
+ 
+ if(USE_SPDLOG)
+-  include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/external_projects/spdlog.cmake)
+-  include_directories(${SPDLOG_INCLUDE_DIR})
++  find_package(spdlog REQUIRED CONFIG)
++  if(TARGET spdlog::spdlog)
++    get_target_property(SPDLOG_INCLUDE_DIR spdlog::spdlog INTERFACE_INCLUDE_DIRECTORIES)
++    include_directories(${SPDLOG_INCLUDE_DIR})
++  else()
++    message(SEND_ERROR "You enabled USE_SPDLOG, but the spdlog package could not be found.")
++  endif()
+ endif(USE_SPDLOG)
+ 
+ if(ENABLE_CPP_CORE_GUIDELINES_CHECK)
+--- a/libsrc/core/CMakeLists.txt
++++ b/libsrc/core/CMakeLists.txt
+@@ -50,10 +50,6 @@ endif(TRACE_MEMORY)
+ 
+ if(USE_SPDLOG)
+   include_directories(${SPDLOG_INCLUDE_DIR})
+-  install(DIRECTORY ${SPDLOG_INCLUDE_DIR}
+-    DESTINATION ${NG_INSTALL_DIR_INCLUDE}
+-    )
+-  add_dependencies(ngcore project_spdlog)
+   target_compile_definitions(ngcore PUBLIC NETGEN_USE_SPDLOG)
+   if(DEBUG_LOG)
+     target_compile_definitions(ngcore PUBLIC NETGEN_LOG_DEBUG)
+-- 
+2.38.1
+
diff --git a/media-gfx/netgen/metadata.xml b/media-gfx/netgen/metadata.xml
new file mode 100644
index 000000000000..3c583c643516
--- /dev/null
+++ b/media-gfx/netgen/metadata.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project" proxied="proxy">
+		<email>sci-mathematics@gentoo.org</email>
+		<name>Gentoo Mathematics Project</name>
+	</maintainer>
+	<maintainer type="person" proxied="yes">
+		<email>waebbl-gentoo@posteo.net</email>
+		<name>Bernd Waibel</name>
+	</maintainer>
+	<use>
+		<flag name="logging">Enable logging through <pkg>dev-libs/spdlog</pkg></flag>
+		<flag name="opencascade">Enable OpenCASCADE support</flag>
+	</use>
+	<upstream>
+		<remote-id type="github">NGSolve/netgen</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/media-gfx/netgen/netgen-6.2.2204.ebuild b/media-gfx/netgen/netgen-6.2.2204.ebuild
new file mode 100644
index 000000000000..f4a8413a9832
--- /dev/null
+++ b/media-gfx/netgen/netgen-6.2.2204.ebuild
@@ -0,0 +1,155 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_10 )
+inherit cmake desktop python-single-r1 xdg
+
+DESCRIPTION="Automatic 3d tetrahedral mesh generator"
+HOMEPAGE="https://ngsolve.org/ https://github.com/NGSolve/netgen"
+SRC_URI="https://github.com/NGSolve/netgen/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+
+SLOT="0"
+LICENSE="LGPL-2.1"
+KEYWORDS="~amd64 ~x86"
+
+IUSE="ffmpeg gui jpeg logging mpi opencascade python test"
+RESTRICT="!test? ( test )"
+
+REQUIRED_USE="
+	${PYTHON_REQUIRED_USE}
+	ffmpeg? ( gui )
+	jpeg? ( gui )
+	python? ( gui )
+"
+
+DEPEND="
+	sys-libs/zlib
+	ffmpeg? ( media-video/ffmpeg:= )
+	gui? (
+		dev-lang/tcl:0/8.6
+		dev-lang/tk:0/8.6
+		media-libs/glu
+		virtual/opengl
+		x11-libs/libX11
+		x11-libs/libXmu
+		x11-libs/libxcb:=
+	)
+	jpeg? ( media-libs/libjpeg-turbo:0= )
+	logging? ( dev-libs/spdlog:= )
+	mpi? (
+		sci-libs/metis
+		virtual/mpi
+	)
+	opencascade? ( sci-libs/opencascade:= )
+	python? (
+		${PYTHON_DEPS}
+		$(python_gen_cond_dep '
+			dev-python/pybind11[${PYTHON_USEDEP}]
+			'
+		)
+		mpi? (
+			$(python_gen_cond_dep 'dev-python/mpi4py[${PYTHON_USEDEP}]' )
+		)
+	)
+"
+RDEPEND="${DEPEND}"
+BDEPEND="
+	sys-apps/lsb-release
+	virtual/pkgconfig
+	gui? ( virtual/imagemagick-tools[png] )
+	test? (
+		<dev-cpp/catch-3:0
+		python? ( $(python_gen_cond_dep 'dev-python/pytest[${PYTHON_USEDEP}]') )
+	)
+"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-6.2.2204-use-external-pybind11.patch"
+	"${FILESDIR}/${PN}-6.2.2204-find-Tk-include-directories.patch"
+	"${FILESDIR}/${PN}-6.2.2204-find-libjpeg-turbo-library.patch"
+	"${FILESDIR}/${PN}-6.2.2204-link-against-ffmpeg.patch"
+	"${FILESDIR}/${PN}-6.2.2204-use-system-spdlog.patch"
+	"${FILESDIR}/${PN}-6.2.2204-use-system-catch.patch"
+	"${FILESDIR}/${PN}-6.2.2204-disable-failing-tests.patch"
+	"${FILESDIR}/${PN}-6.2.2204-disable-python-tests.patch"
+)
+
+pkg_setup() {
+	use python && python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	# NOTE: need to manually check and update this string on version bumps!
+	cat <<- EOF > "${S}/version.txt" || die
+		v${PV}-0-gde0d706e
+	EOF
+	cmake_src_prepare
+}
+
+src_configure() {
+	local mycmakeargs=(
+		# currently not working in a sandbox, expects netgen to be installed
+		# see https://github.com/NGSolve/netgen/issues/132
+		-DBUILD_STUB_FILES=OFF
+		-DENABLE_UNIT_TESTS=$(usex test)
+		-DINSTALL_PROFILES=OFF
+		-DNG_INSTALL_DIR_CMAKE="$(get_libdir)/cmake/${PN}"
+		-DNG_INSTALL_DIR_INCLUDE="include/${PN}"
+		-DNG_INSTALL_DIR_LIB="$(get_libdir)"
+		-DUSE_CCACHE=OFF
+		# doesn't build with this version
+		-DUSE_CGNS=OFF
+		-DUSE_GUI=$(usex gui)
+		-DUSE_INTERNAL_TCL=OFF
+		-DUSE_JPEG=$(usex jpeg)
+		-DUSE_MPEG=$(usex ffmpeg)
+		# respect users -march= choice
+		-DUSE_NATIVE_ARCH=OFF
+		-DUSE_MPI=$(usex mpi)
+		-DUSE_OCC=$(usex opencascade)
+		-DUSE_PYTHON=$(usex python)
+		-DUSE_SPDLOG=$(usex logging)
+		-DUSE_SUPERBUILD=OFF
+	)
+	# no need to set this, if we only build the library
+	if use gui; then
+		mycmakeargs+=( -DTK_INCLUDE_PATH="/usr/$(get_libdir)/tk8.6/include" )
+	fi
+	if use python; then
+		mycmakeargs+=(
+			-DPYBIND_INCLUDE_DIR="/usr/lib/${EPYTHON}/site-packages/pybind11/include/"
+			-DNG_INSTALL_PYBIND=OFF
+		)
+	fi
+	if use mpi && use python; then
+		mycmakeargs+=( -DUSE_MPI4PY=ON )
+	else
+		mycmakeargs+=( -DUSE_MPI4PY=OFF )
+	fi
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+	use python && python_optimize
+
+	local NETGENDIR="/usr/share/${PN}"
+	echo -e "NETGENDIR=${NETGENDIR}" > ./99netgen || die
+	doenvd 99netgen
+
+	if use gui; then
+		mv "${ED}"/usr/bin/{*.tcl,*.ocf} "${ED}${NETGENDIR}" || die
+
+		convert -deconstruct "${S}/windows/${PN}.ico" netgen.png || die
+		newicon -s 32 "${S}"/${PN}-2.png ${PN}.png
+		newicon -s 16 "${S}"/${PN}-3.png ${PN}.png
+		make_desktop_entry ${PN} "Netgen" netgen Graphics
+	fi
+
+	mv "${ED}"/usr/share/${PN}/doc/ng4.pdf "${ED}"/usr/share/doc/${PF} || die
+	dosym -r /usr/share/doc/${PF}/ng4.pdf /usr/share/${PN}/doc/ng4.pdf
+
+	use python || rm -r "${ED}${NETGENDIR}"/py_tutorials || die
+}