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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit cmake flag-o-matic
MY_PV="$(ver_rs 1- '_')"
PV_MAJ="$(ver_cut 1-2)"
DESCRIPTION="Development platform for CAD/CAE, 3D surface/solid modeling and data exchange"
HOMEPAGE="https://www.opencascade.com"
SRC_URI="https://git.dev.opencascade.org/gitweb/?p=occt.git;a=snapshot;h=refs/tags/V${MY_PV};sf=tgz -> ${P}.tar.gz"
S="${WORKDIR}/occt-V${MY_PV}"
LICENSE="|| ( Open-CASCADE-LGPL-2.1-Exception-1.0 LGPL-2.1 )"
SLOT="${PV_MAJ}"
KEYWORDS="~amd64 ~arm64 ~x86"
IUSE="debug doc examples ffmpeg freeimage gles2 json optimize tbb vtk"
REQUIRED_USE="?? ( optimize tbb )"
# There's no easy way to test. Testing needs a rather big environment
# properly set up.
RESTRICT="test"
RDEPEND="
app-eselect/eselect-opencascade
dev-lang/tcl:=
dev-lang/tk:=
dev-tcltk/itcl
dev-tcltk/itk
dev-tcltk/tix
media-libs/fontconfig
media-libs/freetype:2
media-libs/ftgl
virtual/glu
virtual/opengl
x11-libs/libXmu
examples? (
dev-qt/qtcore:5
dev-qt/qtgui:5
dev-qt/qtquickcontrols2:5
dev-qt/qtwidgets:5
dev-qt/qtxml:5
)
ffmpeg? ( media-video/ffmpeg:= )
freeimage? ( media-libs/freeimage )
tbb? ( dev-cpp/tbb )
vtk? ( sci-libs/vtk:=[rendering] )
"
DEPEND="
${RDEPEND}
dev-cpp/eigen
dev-libs/rapidjson
"
BDEPEND="
app-eselect/eselect-opencascade
doc? ( app-doc/doxygen )
examples? ( dev-qt/linguist-tools:5 )
"
PATCHES=(
"${FILESDIR}"/${PN}-7.5.1-0001-allow-default-search-path-for-Qt5.patch
"${FILESDIR}"/${PN}-7.5.1-0002-remove-unnecessary-Qt5-check.patch
"${FILESDIR}"/${PN}-7.5.1-0003-add-Gentoo-configuration-type.patch
"${FILESDIR}"/${PN}-7.5.1-0004-fix-installation-of-cmake-config-files.patch
"${FILESDIR}"/${PN}-7.5.1-0005-fix-write-permissions-on-scripts.patch
"${FILESDIR}"/${PN}-7.5.1-0006-fix-creation-of-custom.sh-script.patch
"${FILESDIR}"/${PN}-7.5.1-fix-AllValues-name-collision-with-vtk-9.0.patch
)
src_prepare() {
cmake_src_prepare
use debug && append-cppflags -DDEBUG
sed -e 's|/lib\$|/'$(get_libdir)'\$|' \
-i adm/templates/OpenCASCADEConfig.cmake.in || die
# There is an OCCT_UPDATE_TARGET_FILE cmake macro that fails due to some
# assumptions it makes about installation paths. Rather than fixing it, just
# get rid of the mechanism altogether - its purpose is to allow a
# side-by-side installation of release and debug libraries.
sed -e 's|\\${OCCT_INSTALL_BIN_LETTER}||' \
-i adm/cmake/occt_toolkit.cmake || die
}
src_configure() {
local mycmakeargs=(
-DBUILD_DOC_Overview=$(usex doc)
-DBUILD_Inspector=$(usex examples)
-DBUILD_WITH_DEBUG=$(usex debug)
-DINSTALL_DIR_BIN="$(get_libdir)/${P}/bin"
-DINSTALL_DIR_CMAKE="$(get_libdir)/cmake/${P}"
-DINSTALL_DIR_DOC="share/doc/${PF}"
-DINSTALL_DIR_LIB="$(get_libdir)/${P}"
-DINSTALL_DIR_SCRIPT="$(get_libdir)/${P}/bin"
-DINSTALL_DIR_WITH_VERSION=ON
-DINSTALL_SAMPLES=$(usex examples)
-DINSTALL_TEST_CASES=NO
-DUSE_D3D=NO
-DUSE_FFMPEG=$(usex ffmpeg)
-DUSE_FREEIMAGE=$(usex freeimage)
-DUSE_FREETYPE=ON
-DUSE_GLES2=$(usex gles2)
-DUSE_RAPIDJSON=$(usex json)
-DUSE_TBB=$(usex tbb)
-DUSE_VTK=$(usex vtk)
)
use doc && mycmakeargs+=( -DINSTALL_DOC_Overview=ON )
if use examples; then
mycmakeargs+=(
-D3RDPARTY_QT_DIR="${ESYSROOT}"/usr
-DBUILD_SAMPLES_QT=ON
)
fi
if use vtk; then
if has_version ">=sci-libs/vtk-9.0.0"; then
mycmakeargs+=(
-D3RDPARTY_VTK_DIR="${ESYSROOT}"/usr
-D3RDPARTY_VTK_INCLUDE_DIR="${ESYSROOT}"/usr/include/vtk-9.0
-D3RDPARTY_VTK_LIBRARY_DIR="${ESYSROOT}"/usr/$(get_libdir)
)
fi
fi
cmake_src_configure
# prepare /etc/env.d file
sed -e "s|lib/|$(get_libdir)/|" \
-e "s|VAR_PV|${PV}|" \
-e "s|VAR_CASROOT|${ESYSROOT}/usr|" \
< "${FILESDIR}"/${PN}-${PV_MAJ}.env.in > "${T}"/${PV_MAJ} || die
# use TBB for memory allocation optimizations
if use tbb; then
sed -e 's|^#MMGT_OPT=0$|MMGT_OPT=2|' -i "${T}"/${PV_MAJ} || die
fi
# use internal optimized memory manager and don't clear memory with this
# memory manager.
if use optimize ; then
sed -e 's|^#MMGT_OPT=0$|MMGT_OPT=1|' \
-e 's|^#MMGT_CLEAR=1$|MMGT_CLEAR=0|' \
-i "${T}"/${PV_MAJ} || die
fi
}
src_install() {
cmake_src_install
# respect slotting
insinto "/etc/env.d/${PN}"
doins "${T}/${PV_MAJ}"
# remove examples
if use !examples; then
rm -r "${ED}/usr/share/${P}/samples" || die
fi
docompress -x /usr/share/doc/${PF}/overview/html
}
pkg_postinst() {
eselect ${PN} set ${PV_MAJ} || die "failed to switch to updated implementation"
einfo "You can switch between available ${PN} implementations using eselect ${PN}"
}
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