sci-libs/opencascade: fix paths in cmake config

Thanks to Fabio Rossi for reporting the issue.
See also upstream bug at
https://tracker.dev.opencascade.org/view.php?id=32035

Closes: https://bugs.gentoo.org/763162
Package-Manager: Portage-3.0.14, Repoman-3.0.2
Signed-off-by: Bernd Waibel <waebbl-gentoo@posteo.net>
Signed-off-by: Joonas Niilola <juippis@gentoo.org>

2 files changed, 189 insertions, 0 deletions

diff --git a/sci-libs/opencascade/files/opencascade-7.4.0-fix-issue-with-cmake-path-variables.patch b/sci-libs/opencascade/files/opencascade-7.4.0-fix-issue-with-cmake-path-variables.patch
new file mode 100644
index 000000000000..aacb642019ff
--- /dev/null
+++ b/sci-libs/opencascade/files/opencascade-7.4.0-fix-issue-with-cmake-path-variables.patch
@@ -0,0 +1,41 @@
+From cefaa5bddedcb90a06d6ef8f0837a11619e5d87e Mon Sep 17 00:00:00 2001
+From: Bernd Waibel <waebbl-gentoo@posteo.net>
+Date: Tue, 9 Feb 2021 20:58:43 +0100
+Subject: [PATCH] fix issue with cmake path variables
+
+Thanks to Fabio Rossi for reporting the issue.
+Upstream bug: https://tracker.dev.opencascade.org/view.php?id=32035
+
+Signed-off-by: Bernd Waibel <waebbl-gentoo@posteo.net>
+---
+ adm/templates/OpenCASCADEConfig.cmake.in | 14 +-------------
+ 1 file changed, 1 insertion(+), 13 deletions(-)
+
+diff --git a/adm/templates/OpenCASCADEConfig.cmake.in b/adm/templates/OpenCASCADEConfig.cmake.in
+index 4937103b..db99a8d1 100644
+--- a/adm/templates/OpenCASCADEConfig.cmake.in
++++ b/adm/templates/OpenCASCADEConfig.cmake.in
+@@ -16,19 +16,7 @@ set (OpenCASCADE_MINOR_VERSION       "@OCC_VERSION_MINOR@")
+ set (OpenCASCADE_MAINTENANCE_VERSION "@OCC_VERSION_MAINTENANCE@")
+ set (OpenCASCADE_DEVELOPMENT_VERSION "@OCC_VERSION_DEVELOPMENT@")
+ 
+-# Compute the installation prefix from this OpenCASCADEConfig.cmake file 
+-# location, by going up one level + one level if "cmake" + one level if "lib".
+-# This is made to support different locations of CMake files:
+-# - in UNIX style: $INSTALL_DIR/lib/cmake/opencascade-<version>
+-# - in Windows style: $INSTALL_DIR/cmake
+-get_filename_component (OpenCASCADE_INSTALL_PREFIX "${CMAKE_CURRENT_LIST_FILE}" PATH)
+-get_filename_component (OpenCASCADE_INSTALL_PREFIX "${OpenCASCADE_INSTALL_PREFIX}" PATH)
+-if (OpenCASCADE_INSTALL_PREFIX MATCHES "/cmake$")
+-  get_filename_component (OpenCASCADE_INSTALL_PREFIX "${OpenCASCADE_INSTALL_PREFIX}" PATH)
+-endif()
+-if (OpenCASCADE_INSTALL_PREFIX MATCHES "/lib$")
+-  get_filename_component (OpenCASCADE_INSTALL_PREFIX "${OpenCASCADE_INSTALL_PREFIX}" PATH)
+-endif()
++set (OpenCASCADE_INSTALL_PREFIX "$ENV{CASROOT}")
+ 
+ # Set OpenCASCADE paths to headers, binaries, libraries, resources, tests, samples, data
+ set (OpenCASCADE_BINARY_DIR   "${OpenCASCADE_INSTALL_PREFIX}/@INSTALL_DIR_BIN@")
+-- 
+2.30.0
+
diff --git a/sci-libs/opencascade/opencascade-7.4.0-r4.ebuild b/sci-libs/opencascade/opencascade-7.4.0-r4.ebuild
new file mode 100644
index 000000000000..a6b119a193bc
--- /dev/null
+++ b/sci-libs/opencascade/opencascade-7.4.0-r4.ebuild
@@ -0,0 +1,148 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# TODO:
+# check the src files referenced in 51opencascade, i.e. resources and the like
+# check where cmake gets it's '-s' linker flag to avoid pre-stripping (QA)
+
+EAPI=7
+
+inherit check-reqs cmake flag-o-matic java-pkg-opt-2
+
+DESCRIPTION="Development platform for CAD/CAE, 3D surface/solid modeling and data exchange"
+HOMEPAGE="https://www.opencascade.com"
+MY_PV="$(ver_rs 1- '_')"
+SRC_URI="https://git.dev.opencascade.org/gitweb/?p=occt.git;a=snapshot;h=refs/tags/V${MY_PV};sf=tgz -> ${P}.tar.gz"
+
+LICENSE="|| ( Open-CASCADE-LGPL-2.1-Exception-1.0 LGPL-2.1 )"
+SLOT="${PV}"
+KEYWORDS="~amd64 ~x86"
+# gl2ps
+IUSE="debug doc examples ffmpeg freeimage gles2 inspector java optimize qt5 tbb +vtk"
+
+REQUIRED_USE="
+	inspector? ( qt5 )
+	?? ( optimize tbb )
+"
+
+#	gl2ps? ( x11-libs/gl2ps )
+RDEPEND="
+	app-eselect/eselect-opencascade
+	dev-cpp/eigen
+	dev-lang/tcl:0=
+	dev-lang/tk:0=
+	dev-tcltk/itcl
+	dev-tcltk/itk
+	dev-tcltk/tix
+	media-libs/freetype:2
+	media-libs/ftgl
+	virtual/glu
+	virtual/opengl
+	x11-libs/libXmu
+	ffmpeg? ( media-video/ffmpeg )
+	freeimage? ( media-libs/freeimage )
+	java? ( virtual/jdk:1.8 )
+	qt5? (
+		dev-qt/qtcore:5
+		dev-qt/qtgui:5
+		dev-qt/qtquickcontrols2:5
+		dev-qt/qtwidgets:5
+		dev-qt/qtxml:5
+	)
+	tbb? ( dev-cpp/tbb )
+	vtk? ( >=sci-libs/vtk-8.1.0[rendering] )
+"
+DEPEND="${RDEPEND}"
+BDEPEND="
+	doc? (
+		app-doc/doxygen
+		qt5? ( dev-qt/linguist-tools:5 )
+	)
+"
+
+# There's no easy way to test. Testing needs a rather big environment
+# properly set up.
+RESTRICT="test"
+
+CHECKREQS_MEMORY="256M"
+CHECKREQS_DISK_BUILD="3584M"
+
+CMAKE_BUILD_TYPE=Release
+
+S="${WORKDIR}/occt-V${MY_PV}"
+
+PATCHES=(
+	"${FILESDIR}/${P}-find-qt.patch"
+	"${FILESDIR}/${P}-fix-install.patch"
+	"${FILESDIR}/${P}-fix-issue-with-cmake-path-variables.patch"
+)
+
+pkg_setup() {
+	check-reqs_pkg_setup
+	use java && java-pkg-opt-2_pkg_setup
+}
+
+src_prepare() {
+	cmake_src_prepare
+	use java && java-pkg-opt-2_src_prepare
+#	sed -e 's/\/lib\$/\/'$(get_libdir)'\$/' \
+#		-i adm/templates/OpenCASCADEConfig.cmake.in || die
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DBUILD_DOC_Overview=$(usex doc)
+		-DBUILD_Inspector=$(usex inspector)
+		-DBUILD_WITH_DEBUG=$(usex debug)
+		-DCMAKE_CONFIGURATION_TYPES="Gentoo"
+		-DCMAKE_INSTALL_PREFIX="/usr/$(get_libdir)/${P}/ros"
+		-DINSTALL_DIR_DOC="/usr/share/doc/${PF}"
+		-DINSTALL_DIR_CMAKE="/usr/$(get_libdir)/cmake"
+#		-DINSTALL_DOC_Overview=$(usex doc)
+		-DINSTALL_SAMPLES=$(usex examples)
+		-DINSTALL_TEST_CASES=NO
+		-DUSE_D3D=no
+		-DUSE_FFMPEG=$(usex ffmpeg)
+		-DUSE_FREEIMAGE=$(usex freeimage)
+#		-DUSE_GL2PS=$(usex gl2ps)
+		-DUSE_GLES2=$(usex gles2)
+		-DUSE_TBB=$(usex tbb)
+		-DUSE_VTK=$(usex vtk)
+	)
+
+	use examples && mycmakeargs+=( -DBUILD_SAMPLES_QT=$(usex qt5) )
+
+	cmake_src_configure
+
+	# prepare /etc/env.d file
+	sed -e 's|VAR_CASROOT|'${EROOT%}'/usr/'$(get_libdir)'/'${P}'/ros|g' < "${FILESDIR}/${P}.env.in" >> "${T}/${PV}" || die
+	sed -i -e 's|ros/lib|ros/'$(get_libdir)'|' "${T}/${PV}" || die
+
+	# use TBB for memory allocation optimizations?
+	use tbb && (sed -i -e 's|^#MMGT_OPT=0$|MMGT_OPT=2|' "${T}/${PV}" || die)
+
+	if use optimize ; then
+		# use internal optimized memory manager?
+		sed -i -e 's|^#MMGT_OPT=0$|MMGT_OPT=1|' "${T}/${PV}" || die
+		# don't clear memory ?
+		sed -i -e 's|^#MMGT_CLEAR=1$|MMGT_CLEAR=0|' "${T}/${PV}" || die
+	fi
+}
+
+src_install() {
+	cmake_src_install
+
+	# respect slotting
+	insinto "/etc/env.d/${PN}"
+	doins "${T}/${PV}"
+
+	# remove examples
+	use examples || (rm -rf "${ED}/usr/$(get_libdir)/${P}/ros/share/${PN}/samples" || die)
+	use java || (rm -rf "${ED}/usr/$(get_libdir)/${P}/ros/share/${PN}/samples/java" || die)
+	use qt5 || (rm -rf "${ED}/usr/$(get_libdir)/${P}/ros/share/${PN}/samples/qt" || die)
+}
+
+pkg_postinst() {
+	eselect ${PN} set ${PV} || die "failed to switch to updated implementation"
+	einfo "You can switch between available ${PN} implementations using eselect ${PN}"
+}