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94d87c3124
Unless set -DQT_FEATURE_developer_build (which is more involved), Qt changes the default log level to NOTICE and then, in current 6.8.9999, the configuration summaries were seemingly moved to STATUS leaving them hidden as just: -- Configuration summary has been written to ..._build/config.summary Not new, but the NOTICE log level also hides the result of the various tests such as: -- Performing Test HAVE_egl_x11 - Success Unclear if 6.8.x will keep summaries that way (feel this is a downside for upstream as well, and perhaps is not intentional as part of some refactoring), but either way STATUS makes the build.log a lot more useful. Signed-off-by: Ionen Wolkens <ionen@gentoo.org>
338 lines
10 KiB
Bash
338 lines
10 KiB
Bash
# Copyright 2021-2024 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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# @ECLASS: qt6-build.eclass
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# @MAINTAINER:
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# qt@gentoo.org
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# @SUPPORTED_EAPIS: 8
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# @PROVIDES: cmake
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# @BLURB: Eclass for Qt6 split ebuilds.
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# @DESCRIPTION:
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# This eclass contains various functions that are used when building Qt6.
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case ${EAPI} in
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8) ;;
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*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
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esac
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if [[ -z ${_QT6_BUILD_ECLASS} ]]; then
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_QT6_BUILD_ECLASS=1
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[[ ${CATEGORY} != dev-qt ]] &&
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die "${ECLASS} is only to be used for building Qt6"
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inherit cmake flag-o-matic toolchain-funcs
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# @ECLASS_VARIABLE: QT6_BUILD_TYPE
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# @DESCRIPTION:
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# Read only variable set based on PV to one of:
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# - release: official 6.x.x releases
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# - pre-release: development 6.x.x_rc/beta/alpha releases
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# - live: *.9999 (dev branch), 6.x.9999 (stable branch)
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# @ECLASS_VARIABLE: QT6_MODULE
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# @PRE_INHERIT
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# @DESCRIPTION:
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# The upstream name of the module this package belongs to.
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# Used for SRC_URI and EGIT_REPO_URI.
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: "${QT6_MODULE:=${PN}}"
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# @ECLASS_VARIABLE: QT6_RESTRICT_TESTS
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# @DEFAULT_UNSET
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# @PRE_INHERIT
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# @DESCRIPTION:
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# If set to a non-empty value, will not add IUSE="test" and set
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# RESTRICT="test" instead. Primarily intended for ebuilds where
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# running tests is unmaintained (or missing) rather than just
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# temporarily restricted not to have a broken USE (bug #930266).
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if [[ ${PV} == *.9999 ]]; then
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inherit git-r3
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EGIT_REPO_URI=(
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"https://code.qt.io/qt/${QT6_MODULE}.git"
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"https://github.com/qt/${QT6_MODULE}.git"
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)
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QT6_BUILD_TYPE=live
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EGIT_BRANCH=dev
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[[ ${PV} == 6.*.9999 ]] && EGIT_BRANCH=${PV%.9999}
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else
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QT6_BUILD_TYPE=release
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_QT6_SRC=official
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if [[ ${PV} == *_@(alpha|beta|rc)* ]]; then
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QT6_BUILD_TYPE=pre-release
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_QT6_SRC=development
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fi
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_QT6_P=${QT6_MODULE}-everywhere-src-${PV/_/-}
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SRC_URI="https://download.qt.io/${_QT6_SRC}_releases/qt/${PV%.*}/${PV/_/-}/submodules/${_QT6_P}.tar.xz"
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S=${WORKDIR}/${_QT6_P}
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unset _QT6_P _QT6_SRC
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fi
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readonly QT6_BUILD_TYPE
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HOMEPAGE="https://www.qt.io/"
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LICENSE="|| ( GPL-2 GPL-3 LGPL-3 ) FDL-1.3"
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SLOT=6/${PV%%_*}
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if [[ ${QT6_RESTRICT_TESTS} ]]; then
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RESTRICT="test"
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else
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IUSE="test"
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RESTRICT="!test? ( test )"
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fi
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BDEPEND="
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dev-lang/perl
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virtual/pkgconfig
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"
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###### Phase functions ######
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# @FUNCTION: qt6-build_src_unpack
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# @DESCRIPTION:
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# Run git-r3_src_unpack if needed (live), then default to unpack
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# e.g. patchsets in live ebuilds.
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qt6-build_src_unpack() {
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[[ ${QT6_BUILD_TYPE} == live ]] && git-r3_src_unpack
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default
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}
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# @FUNCTION: qt6-build_src_prepare
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# @DESCRIPTION:
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# Run cmake_src_prepare, prepare the environment (such as set
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# QT6_PREFIX, QT6_LIBDIR, and others), and handle anything else
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# generic as needed.
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qt6-build_src_prepare() {
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cmake_src_prepare
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if [[ -e CMakeLists.txt ]]; then
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# throw an error rather than skip if *required* conditions are not met
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sed -e '/message(NOTICE.*Skipping/s/NOTICE/FATAL_ERROR/' \
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-i CMakeLists.txt || die
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fi
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if in_iuse test && use test && [[ -e tests/auto/CMakeLists.txt ]]; then
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# .cmake files tests causing a self-dependency in many modules,
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# and that sometimes install additional test junk
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sed -i '/add_subdirectory(cmake)/d' tests/auto/CMakeLists.txt || die
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fi
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_qt6-build_prepare_env
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_qt6-build_sanitize_cpu_flags
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# LTO cause test failures in several components (e.g. qtcharts,
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# multimedia, scxml, wayland, webchannel, ...).
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#
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# Exact extent/causes unknown, but for some related-sounding bugs:
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# https://bugreports.qt.io/browse/QTBUG-112332
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# https://bugreports.qt.io/browse/QTBUG-115731
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#
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# Does not manifest itself with clang:16 (did with gcc-13.2.0), but
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# still assumed to be generally unsafe either way in current state.
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in_iuse custom-cflags && use custom-cflags || filter-lto
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}
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# @FUNCTION: qt6-build_src_configure
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# @DESCRIPTION:
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# Run cmake_src_configure and handle anything else generic as needed.
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qt6-build_src_configure() {
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if [[ ${PN} == qttranslations ]]; then
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# does not compile anything, further options would be unrecognized
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cmake_src_configure
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return
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fi
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local defaultcmakeargs=(
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# cmake defaults to "STATUS" but Qt changes that to "NOTICE" which
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# hides a lot of information that is useful for bug reports
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--log-level=STATUS
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# see _qt6-build_create_user_facing_links
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-DINSTALL_PUBLICBINDIR="${QT6_PREFIX}"/bin
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# note that if qtbase was built with tests, this is default ON
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-DQT_BUILD_TESTS=$(in_iuse test && use test && echo ON || echo OFF)
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# avoid appending -O2 after user's C(XX)FLAGS (bug #911822)
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-DQT_USE_DEFAULT_CMAKE_OPTIMIZATION_FLAGS=ON
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)
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if [[ ${mycmakeargs@a} == *a* ]]; then
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local mycmakeargs=("${defaultcmakeargs[@]}" "${mycmakeargs[@]}")
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else
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local mycmakeargs=("${defaultcmakeargs[@]}")
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fi
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cmake_src_configure
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}
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# @FUNCTION: qt6-build_src_test
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# @USAGE: [<cmake_src_test argument>...]
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# @DESCRIPTION:
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# Run cmake_src_test and handle anything else generic as-needed.
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qt6-build_src_test() {
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local -x QML_IMPORT_PATH=${BUILD_DIR}${QT6_QMLDIR#"${QT6_PREFIX}"}
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local -x QTEST_FUNCTION_TIMEOUT=900000 #914737
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local -x QT_QPA_PLATFORM=offscreen
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# TODO?: CMAKE_SKIP_TESTS skips a whole group of tests and, when
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# only want to skip a sepcific sub-test, the BLACKLIST files
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# could potentially be modified by implementing a QT6_SKIP_TESTS
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cmake_src_test "${@}"
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}
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# @FUNCTION: qt6-build_src_install
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# @DESCRIPTION:
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# Run cmake_src_install and handle anything else generic as needed.
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qt6-build_src_install() {
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cmake_src_install
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_qt6-build_create_user_facing_links
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# hack: trim typical junk with currently no known "proper" way
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# to avoid that primarily happens with tests (e.g. qt5compat and
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# qtsvg tests, but qtbase[gui,-test] currently does some too)
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rm -rf -- "${D}${QT6_PREFIX}"/tests \
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"${D}${QT6_LIBDIR}/objects-${CMAKE_BUILD_TYPE}" || die
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}
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###### Public helpers ######
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# @FUNCTION: qt_feature
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# @USAGE: <flag> [feature]
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# @DESCRIPTION:
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# <flag> is the name of a flag in IUSE.
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qt_feature() {
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[[ ${#} -ge 1 ]] || die "${FUNCNAME}() requires at least one argument"
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echo "-DQT_FEATURE_${2:-${1}}=$(usex ${1} ON OFF)"
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}
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###### Internal functions ######
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# @FUNCTION: _qt6-build_create_user_facing_links
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# @INTERNAL
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# @DESCRIPTION:
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# Create links for user facing tools (bug #863395) as suggested in:
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# https://doc.qt.io/qt-6/packaging-recommendations.html
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_qt6-build_create_user_facing_links() {
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# user_facing_tool_links.txt is always created (except for qttranslations)
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# even if no links (empty), if missing will assume that it is an error
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[[ ${PN} == qttranslations ]] && return
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# loop and match using paths (upstream suggests `xargs ln -s < ${links}`
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# but, for what it is worth, that will fail if paths have spaces)
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local link
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while IFS= read -r link; do
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if [[ -z ${link} ]]; then
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continue
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elif [[ ${link} =~ ^("${QT6_PREFIX}"/.+)\ ("${QT6_PREFIX}"/bin/.+) ]]
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then
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dosym -r "${BASH_REMATCH[1]#"${EPREFIX}"}" \
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"${BASH_REMATCH[2]#"${EPREFIX}"}"
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else
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die "unrecognized line '${link}' in '${links}'"
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fi
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done < "${BUILD_DIR}"/user_facing_tool_links.txt || die
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}
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# @FUNCTION: _qt6-build_prepare_env
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# @INTERNAL
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# @DESCRIPTION:
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# Prepares the environment for building Qt.
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_qt6-build_prepare_env() {
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# setup installation directories
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# note: keep paths in sync with qmake-utils.eclass
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readonly QT6_PREFIX=${EPREFIX}/usr
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readonly QT6_DATADIR=${QT6_PREFIX}/share/qt6
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readonly QT6_LIBDIR=${QT6_PREFIX}/$(get_libdir)
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readonly QT6_ARCHDATADIR=${QT6_LIBDIR}/qt6
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readonly QT6_BINDIR=${QT6_ARCHDATADIR}/bin
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readonly QT6_DOCDIR=${QT6_PREFIX}/share/qt6-doc
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readonly QT6_EXAMPLESDIR=${QT6_DATADIR}/examples
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readonly QT6_HEADERDIR=${QT6_PREFIX}/include/qt6
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readonly QT6_IMPORTDIR=${QT6_ARCHDATADIR}/imports
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readonly QT6_LIBEXECDIR=${QT6_ARCHDATADIR}/libexec
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readonly QT6_MKSPECSDIR=${QT6_ARCHDATADIR}/mkspecs
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readonly QT6_PLUGINDIR=${QT6_ARCHDATADIR}/plugins
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readonly QT6_QMLDIR=${QT6_ARCHDATADIR}/qml
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readonly QT6_SYSCONFDIR=${EPREFIX}/etc/xdg
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readonly QT6_TRANSLATIONDIR=${QT6_DATADIR}/translations
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}
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# @FUNCTION: _qt6-build_sanitize_cpu_flags
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# @INTERNAL
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# @DESCRIPTION:
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# Qt hardly support use of -mno-* or -march=native for unusual CPUs
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# (or VMs) that support incomplete x86-64 feature levels, and attempts
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# to allow this anyway has worked poorly. This instead tries to detect
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# unusual configurations and fallbacks to generic -march=x86-64* if so
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# (bug #898644,#908420,#913400,#933374).
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_qt6-build_sanitize_cpu_flags() {
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# less of an issue with non-amd64, will revisit only if needed
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use amd64 || return 0
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local cpuflags=(
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# list of checked cpu features by qtbase in configure.cmake
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aes avx avx2 avx512{bw,cd,dq,er,f,ifma,pf,vbmi,vbmi2,vl}
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f16c rdrnd rdseed sha sse2 sse3 sse4_1 sse4_2 ssse3 vaes
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# extras checked by qtbase's qsimd_p.h
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bmi bmi2 f16c fma lzcnt popcnt
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)
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# extras only needed by chromium in qtwebengine
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# (see also chromium's ebuild wrt bug #530248,#544702,#546984,#853646)
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[[ ${PN} == qtwebengine ]] && cpuflags+=(
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mmx xop
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# unclear if these two are really needed given (current) chromium
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# does not pass these flags, albeit it may side-disable something
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# else so keeping as a safety (like chromium's ebuild does)
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fma4 sse4a
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)
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# check if any known problematic -mno-* C(XX)FLAGS
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if ! is-flagq "@($(IFS='|'; echo "${cpuflags[*]/#/-mno-}"))"; then
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# check if qsimd_p.h (search for "enable all") will accept -march
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: "$($(tc-getCXX) -E -P ${CXXFLAGS} ${CPPFLAGS} - <<-EOF | tail -n 1
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#if (defined(__AVX2__) && (__BMI__ + __BMI2__ + __F16C__ + __FMA__ + __LZCNT__ + __POPCNT__) != 6) || \
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(defined(__AVX512F__) && (__AVX512BW__ + __AVX512CD__ + __AVX512DQ__ + __AVX512VL__) != 4)
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bad
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#endif
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EOF
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assert
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)"
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[[ ${_} == bad ]] || return 0 # *should* be fine as-is
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fi
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# determine highest(known) usable x86-64 feature level
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local march=$(
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$(tc-getCXX) -E -P ${CXXFLAGS} ${CPPFLAGS} - <<-EOF | tail -n 1
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default
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#if (__CRC32__ + __LAHF_SAHF__ + __POPCNT__ + __SSE3__ + __SSE4_1__ + __SSE4_2__ + __SSSE3__) == 7
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x86-64-v2
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# if (__AVX__ + __AVX2__ + __BMI__ + __BMI2__ + __F16C__ + __FMA__ + __LZCNT__ + __MOVBE__ + __XSAVE__) == 9
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x86-64-v3
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# if (__AVX512BW__ + __AVX512CD__ + __AVX512DQ__ + __AVX512F__ + __AVX512VL__ + __EVEX256__ + __EVEX512__) == 7
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x86-64-v4
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# endif
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# endif
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#endif
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EOF
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assert
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)
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filter-flags '-march=*' "${cpuflags[@]/#/-m}" "${cpuflags[@]/#/-mno-}"
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[[ ${march} == x86-64* ]] && append-flags $(test-flags-CXX -march=${march})
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einfo "C(XX)FLAGS were adjusted due to Qt limitations: ${CXXFLAGS}"
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}
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fi
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EXPORT_FUNCTIONS src_unpack src_prepare src_configure src_test src_install
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