mirror of
https://github.com/gentoo-mirror/gentoo.git
synced 2025-12-21 21:17:37 -08:00
24f857d802
Unclear what fixed what wrt the last failing qtbase test in bug #955531, but it seems to pass now. Just to be safe, limit this to recent Qt and gcc. Tried all of dev-qt/* (except qtwebengine+webview) with lto + -Werror=odr/mismatch/strict and everything seems to pass. Note that qtwebengine still filters lto in the ebuild, unlikely that this is resolved as it was due to some asm usage I recall (plus we're patching qtwebengine to allow respecting flags at all, Qt doesn't support users passing lto there). If other dev-qt/* have issues in the future we should likewise filter in the ebuild rather have a global one anymore. Formerly this wasn't about one failing test but tons of them everywhere. Closes: https://bugs.gentoo.org/955531 Signed-off-by: Ionen Wolkens <ionen@gentoo.org>
361 lines
12 KiB
Bash
361 lines
12 KiB
Bash
# Copyright 2021-2025 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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[[ ${EAPI} == 8 ]] && inherit eapi9-pipestatus
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[[ ${QT6_HAS_STATIC_LIBS} ]] && inherit dot-a
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# @ECLASS_VARIABLE: QT6_BUILD_TYPE
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# @DESCRIPTION:
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# Read only variable set based on PV to one of:
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# - release: official 6.x.x releases
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# - pre-release: development 6.x.x_rc/beta/alpha releases
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# - live: *.9999 (dev branch), 6.x.9999 (stable branch)
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# @ECLASS_VARIABLE: QT6_MODULE
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# @PRE_INHERIT
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# @DESCRIPTION:
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# The upstream name of the module this package belongs to.
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# Used for SRC_URI and EGIT_REPO_URI.
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: "${QT6_MODULE:=${PN}}"
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# @ECLASS_VARIABLE: QT6_HAS_STATIC_LIBS
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# @DEFAULT_UNSET
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# @PRE_INHERIT
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# @DESCRIPTION:
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# Should be set to a non-empty value if static libraries may be
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# installed so that dot-a.eclass will be used. Using either way
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# is mostly harmless but still a bit wasteful, thus the variable.
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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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IUSE="custom-cflags"
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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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[[ ${QT6_BUILD_TYPE} == live ]] && git-r3_src_unpack
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default
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}
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# @FUNCTION: qt6-build_src_prepare
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# @DESCRIPTION:
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# Run cmake_src_prepare, prepare the environment (such as set
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# QT6_PREFIX, QT6_LIBDIR, and others), and handle anything else
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# generic as needed.
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qt6-build_src_prepare() {
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# There is a suspicion that there "may" still be portage ordering issues
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# when Qt's complex depgraph is involved, e.g. build a package with USE=qml
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# before (matching) qtdeclarative version is updated despite all these
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# packages DEPEND on ~qtdeclarative-${PV}. Tentatively assert to see if
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# if the issue really exists (bug #959567).
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if in_iuse qml && use qml && [[ ${PN} != qtwayland ]] &&
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! has_version -d "~dev-qt/qtdeclarative-${PV}"
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then
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eerror "${CATEGORY}/${PN}[qml] depends on ~dev-qt/qtdeclarative-${PV}"
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eerror "but it has not been upgraded/installed yet, implies that there"
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eerror "is a bug in the package manager assuming normal usage."
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die "aborting to avoid installing a broken package"
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fi
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# Qt has quite a lot of unused (false positive) CMakeLists.txt
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local CMAKE_QA_COMPAT_SKIP=1
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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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if use !custom-cflags; then
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_qt6-build_sanitize_cpu_flags
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# lto+gcc used to break a lot of tests, but this has improved so
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# tentatively allow again for Qt >=6.10 + GCC >=15.2 (bug #955531)
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if ver_test ${PV} -lt 6.10 ||
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{ tc-is-gcc && ver_test $(gcc-version) -lt 15.2; };
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then
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filter-lto
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fi
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fi
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[[ ${QT6_HAS_STATIC_LIBS} ]] && lto-guarantee-fat
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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 [[ ${PN} == qttranslations ]]; then
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# does not compile anything, further options would be unrecognized
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cmake_src_configure
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return
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fi
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local defaultcmakeargs=(
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# cmake defaults to "STATUS" but Qt changes that to "NOTICE" which
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# hides a lot of information that is useful for bug reports
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--log-level=STATUS
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# ...but dev messages are noisy and not really useful downstream
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-Wno-dev
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# see _qt6-build_create_user_facing_links
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-DINSTALL_PUBLICBINDIR="${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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[[ ${QT6_HAS_STATIC_LIBS} ]] && strip-lto-bytecode "${D}${QT6_LIBDIR}"
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_qt6-build_create_user_facing_links
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# Qt often install unwanted files when tests are enabled and, while
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# this does not cover everything, delete the common case.
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rm -rf -- "${D}${QT6_PREFIX}"/tests || 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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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 [[ ${link} =~ (../[^ ]+)\ (bin/.+) ]]; then
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dosym "${BASH_REMATCH[1]}" \
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"${QT6_PREFIX#"${EPREFIX}"}/${BASH_REMATCH[2]}"
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else
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die "unrecognized user_facing_tool_links.txt line: ${link}"
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fi
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done < "${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 supports use of -mno-* or -march=native for unusual CPUs
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# (or VMs) that support incomplete x86-64 feature levels among other
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# issues such as CPUs with buggy rdrand, and attempts to allow this
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# anyway has worked poorly. This strips CPU instructions related
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# -m* flags and replaces with the highest -march=x86-64-v* usable as
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# a non-ideal solution (bug #898644,#908420,#913400,#922498,#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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# ideally update whenever compilers gain new ones, or could
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# be offloaded to flag-o-matic if needed by other ebuilds
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# grep -B 1 'Var(ix86_isa_flags' gcc/config/i386/i386.opt | grep ^m | grep -Ev '^m(16|32|64|x32)'
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3dnow 3dnowa abm adx aes amx-avx512 amx-bf16 amx-complex
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amx-fp16 amx-fp8 amx-int8 amx-movrs amx-tf32 amx-tile
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amx-transpose apxf avx avx10.1-256 avx10.1-512 avx10.2-256
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avx10.2-512 avx2 avx512bf16 avx512bitalg avx512bw avx512cd
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avx512dq avx512f avx512fp16 avx512ifma avx512vbmi avx512vbmi2
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avx512vl avx512vnni avx512vp2intersect avx512vpopcntdq avxifma
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avxneconvert avxvnni avxvnniint16 avxvnniint8 bmi bmi2 cldemote
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clflushopt clwb clzero cmpccxadd crc32 cx16 enqcmd evex512 f16c
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fma fma4 fsgsbase fxsr gfni hle hreset kl lwp lzcnt mmx movbe
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movdir64b movdiri movrs mwait mwaitx pclmul pconfig pku popcnt
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prefetchi prfchw ptwrite raoint rdpid rdrnd rdseed rtm sahf
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serialize sgx sha sha512 shstk sm3 sm4 sse sse2 sse3 sse4
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sse4.1 sse4.2 sse4a ssse3 tbm tsxldtrk uintr usermsr vaes
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vpclmulqdq waitpkg wbnoinvd widekl xop xsave xsavec xsaveopt
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xsaves
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)
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# determine and the highest(known) usable x86-64 feature level
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# so users will not lose *all* CPU-specific optimizations
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local march=$(
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$(tc-getCXX) -E -P ${CXXFLAGS} ${CPPFLAGS} - <<-EOF | tail -n 1
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default
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#if (__CRC32__ + __LAHF_SAHF__ + __POPCNT__ + __SSE3__ + __SSE4_1__ + __SSE4_2__ + __SSSE3__) == 7
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x86-64-v2
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# if (__AVX__ + __AVX2__ + __BMI__ + __BMI2__ + __F16C__ + __FMA__ + __LZCNT__ + __MOVBE__ + __XSAVE__) == 9
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x86-64-v3
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# if !defined(__EVEX512__) && !defined(__clang__) && __GNUC__ >= 16
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# define __EVEX512__ 1 /* removed in gcc-16 (bug #956750) */
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# endif
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# if (__AVX512BW__ + __AVX512CD__ + __AVX512DQ__ + __AVX512F__ + __AVX512VL__ + __EVEX256__ + __EVEX512__) == 7
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x86-64-v4
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# endif
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# endif
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#endif
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EOF
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pipestatus || die
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)
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filter-flags '-march=*' "${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 adjusted due to frequent -march=*/-m* issues with Qt:"
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einfo " \"${CXXFLAGS}\""
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einfo "(can override with USE=custom-cflags, but no support will be given)"
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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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