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170 lines
6.3 KiB
170 lines
6.3 KiB
# Copyright 1999-2023 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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# TODO: Split the "/usr/bin/shiboken6" binding generator from the
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# "/usr/lib64/libshiboken6-*.so" family of shared libraries. The former
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# requires everything (including Clang) at runtime; the latter only requires
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# Qt and Python at runtime. Note that "pip" separates these two as well. See:
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# https://doc.qt.io/qtforpython/shiboken6/faq.html#is-there-any-runtime-dependency-on-the-generated-binding
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# Once split, the PySide6 ebuild should be revised to require
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# "/usr/bin/shiboken6" at build time and "libshiboken6-*.so" at runtime.
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# TODO: Add PyPy once officially supported. See also:
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# https://bugreports.qt.io/browse/PYSIDE-535
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PYTHON_COMPAT=( python3_{9..11} )
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inherit cmake llvm python-r1 toolchain-funcs
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MY_PN="pyside-setup-everywhere-src"
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DESCRIPTION="Python binding generator for C++ libraries"
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HOMEPAGE="https://wiki.qt.io/PySide6"
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SRC_URI="https://download.qt.io/official_releases/QtForPython/pyside6/PySide6-${PV}-src/${MY_PN}-${PV}.tar.xz"
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S="${WORKDIR}/${MY_PN}-$(ver_cut 1-2)/sources/shiboken6"
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# The "sources/shiboken6/libshiboken" directory is triple-licensed under the
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# GPL v2, v3+, and LGPL v3. All remaining files are licensed under the GPL v3
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# with version 1.0 of a Qt-specific exception enabling shiboken6 output to be
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# arbitrarily relicensed. (TODO)
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LICENSE="|| ( GPL-2 GPL-3+ LGPL-3 ) GPL-3"
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SLOT="0"
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KEYWORDS="~amd64"
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IUSE="+docstrings numpy test vulkan"
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REQUIRED_USE="${PYTHON_REQUIRED_USE}"
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# Tests fail pretty bad and I'm not fixing them right now
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RESTRICT="test"
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# Minimal supported version of Qt.
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QT_PV="$(ver_cut 1-2)*:6"
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# Since Clang is required at both build- and runtime, BDEPEND is omitted here.
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LLVM_MAX_SLOT=15
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RDEPEND="${PYTHON_DEPS}
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=dev-qt/qtbase-${QT_PV}
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<sys-devel/clang-16:=
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<sys-devel/clang-runtime-16:=
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docstrings? (
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>=dev-libs/libxml2-2.6.32
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>=dev-libs/libxslt-1.1.19
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)
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numpy? ( dev-python/numpy[${PYTHON_USEDEP}] )
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vulkan? ( dev-util/vulkan-headers )
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"
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DEPEND="${RDEPEND}
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test? ( =dev-qt/qtbase-${QT_PV}[gui] )
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"
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# testlib is toggled by the gui flag on qtbase
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DOCS=( AUTHORS )
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PATCHES=(
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"${FILESDIR}/${PN}-6.3.1-no-strip.patch"
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)
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# Ensure the path returned by get_llvm_prefix() contains clang as well.
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llvm_check_deps() {
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has_version "sys-devel/clang:${LLVM_SLOT}"
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}
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src_prepare() {
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# TODO: File upstream issue requesting a sane way to disable NumPy support.
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if ! use numpy; then
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sed -i -e '/\bprint(os\.path\.realpath(numpy))/d' \
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libshiboken/CMakeLists.txt || die
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fi
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# Shiboken6 assumes Vulkan headers live under either "$VULKAN_SDK/include"
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# or "$VK_SDK_PATH/include" rather than "${EPREFIX}/usr/include/vulkan".
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if use vulkan; then
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sed -i -e "s~\bdetectVulkan(&headerPaths);~headerPaths.append(HeaderPath{QByteArrayLiteral(\"${EPREFIX}/usr/include/vulkan\"), HeaderType::System});~" \
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ApiExtractor/clangparser/compilersupport.cpp || die
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fi
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# Shiboken6 assumes the "/usr/lib/clang/${CLANG_NEWEST_VERSION}/include/"
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# subdirectory provides Clang builtin includes (e.g., "stddef.h") for the
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# currently installed version of Clang, where ${CLANG_NEWEST_VERSION} is
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# the largest version specifier that exists under the "/usr/lib/clang/"
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# subdirectory. This assumption is false in edge cases, including when
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# users downgrade from newer Clang versions but fail to remove those
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# versions with "emerge --depclean". See also:
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# https://github.com/leycec/raiagent/issues/85
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#
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# Sadly, the clang-* family of functions exported by the "toolchain-funcs"
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# eclass are defective, returning nonsensical placeholder strings if the
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# end user has *NOT* explicitly configured their C++ compiler to be Clang.
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# PySide6 does *NOT* care whether the end user has done so or not, as
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# PySide6 unconditionally requires Clang in either case. See also:
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# https://bugs.gentoo.org/619490
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sed -i -e 's~(findClangBuiltInIncludesDir())~(QStringLiteral("'"${EPREFIX}"'/usr/lib/clang/'$(CPP=clang clang-fullversion)'/include"))~' \
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ApiExtractor/clangparser/compilersupport.cpp || die
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cmake_src_prepare
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}
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src_configure() {
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# Minimal tests for now, 2 failing with the extended version
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# FIXME Subscripted generics cannot be used with class and instance checks
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local mycmakeargs=(
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-DBUILD_TESTS=$(usex test)
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-DDISABLE_DOCSTRINGS=$(usex !docstrings)
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)
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shiboken6_configure() {
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local mycmakeargs=(
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"${mycmakeargs[@]}"
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-DPYTHON_CONFIG_SUFFIX="-${EPYTHON}"
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-DPYTHON_EXECUTABLE="${PYTHON}"
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-DUSE_PYTHON_VERSION="${EPYTHON#python}"
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)
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# CMakeLists.txt expects LLVM_INSTALL_DIR as an environment variable.
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local -x LLVM_INSTALL_DIR="$(get_llvm_prefix "${LLVM_MAX_SLOT}")"
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cmake_src_configure
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}
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python_foreach_impl shiboken6_configure
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}
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src_compile() {
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python_foreach_impl cmake_src_compile
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}
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src_test() {
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python_foreach_impl cmake_src_test
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}
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src_install() {
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shiboken6_install() {
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cmake_src_install
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python_optimize
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# Uniquify the "shiboken6" executable for the current Python target,
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# preserving an unversioned "shiboken6" file arbitrarily associated
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# with the last Python target.
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cp "${ED}"/usr/bin/${PN}{,-${EPYTHON}} || die
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# Uniquify the Shiboken6 pkgconfig file for the current Python target,
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# preserving an unversioned "shiboken6.pc" file arbitrarily associated
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# with the last Python target. See also:
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# https://github.com/leycec/raiagent/issues/73
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cp "${ED}/usr/$(get_libdir)"/pkgconfig/${PN}{,-${EPYTHON}}.pc || die
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}
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python_foreach_impl shiboken6_install
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# CMakeLists.txt installs a "Shiboken6Targets-gentoo.cmake" file forcing
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# downstream consumers (e.g., PySide6) to target one "libshiboken6-*.so"
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# library and one "shiboken6" executable linked to one Python interpreter.
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# See also:
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# https://bugreports.qt.io/browse/PYSIDE-1053
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# https://github.com/leycec/raiagent/issues/74
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sed -i \
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-e 's~shiboken6-python[[:digit:]]\+\.[[:digit:]]\+~shiboken6${PYTHON_CONFIG_SUFFIX}~g' \
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-e 's~/bin/shiboken6~/bin/shiboken6${PYTHON_CONFIG_SUFFIX}~g' \
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"${ED}/usr/$(get_libdir)"/cmake/Shiboken6-${PV}/Shiboken6Targets-${CMAKE_BUILD_TYPE,,}.cmake || die
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# Remove the broken "shiboken_tool.py" script. By inspection, this script
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# reduces to a noop. Moreover, this script raises the following exception:
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# FileNotFoundError: [Errno 2] No such file or directory: '/usr/bin/../shiboken_tool.py': '/usr/bin/../shiboken_tool.py'
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rm "${ED}"/usr/bin/shiboken_tool.py || die
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}
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