Re: [gentoo-dev] [PATCH v2 1/3] ecm.eclass: New eclass

[Andreas Sturmlechner <asturm@gentoo.org>]

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+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# @ECLASS: ecm.eclass
+# @MAINTAINER:
+# kde@gentoo.org
+# @SUPPORTED_EAPIS: 7
+# @BLURB: Support eclass for packages that use KDE Frameworks with ECM.
+# @DESCRIPTION:
+# This eclass is intended to streamline the creation of ebuilds for packages
+# that use cmake and KDE Frameworks' extra-cmake-modules, thereby following
+# some of their packaging conventions. It is primarily intended for the tree
+# upstream release groups (Frameworks, Plasma, Applications) but also for any
+# other package that follows similar conventions.
+#
+# This eclass unconditionally inherits cmake-utils.eclass and all its public
+# variables and helper functions (not phase functions) may be considered as part
+# of this eclass's API.
+#
+# This eclass's phase functions are not intended to be mixed and matched, so if
+# any phase functions are overridden the version here should also be called.
+#
+# Porting from kde5.class
+# - Convert all add_*_dep dependency functions to regular dependencies
+# - Manually set LICENSE
+# - Manually set SLOT
+# - Rename vars and function names as needed, see kde5.eclass PORTING comments
+# - Instead of FRAMEWORKS_MINIMAL, define KFMIN in ebuilds and use it for deps
+
+if [[ -z ${_ECM_UTILS_ECLASS} ]]; then
+_ECM_UTILS_ECLASS=1
+
+# @ECLASS-VARIABLE: VIRTUALX_REQUIRED
+# @DESCRIPTION:
+# For proper description see virtualx.eclass manpage.
+# Here we redefine default value to be manual, if your package needs virtualx
+# for tests you should proceed with setting VIRTUALX_REQUIRED=test.
+: ${VIRTUALX_REQUIRED:=manual}
+
+inherit cmake-utils flag-o-matic toolchain-funcs virtualx xdg
+
+case ${EAPI} in
+	7) ;;
+	*) die "EAPI=${EAPI:-0} is not supported" ;;
+esac
+
+if [[ -v KDE_GCC_MINIMAL ]]; then
+	EXPORT_FUNCTIONS pkg_pretend
+fi
+
+EXPORT_FUNCTIONS pkg_setup src_prepare src_configure src_test pkg_preinst pkg_postinst pkg_postrm
+
+# @ECLASS-VARIABLE: ECM_KDEINSTALLDIRS
+# @DESCRIPTION:
+# Assume the package is using KDEInstallDirs macro and switch
+# KDE_INSTALL_USE_QT_SYS_PATHS to ON. If set to "false", do nothing.
+: ${ECM_KDEINSTALLDIRS:=true}
+
+# @ECLASS-VARIABLE: ECM_NONGUI
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# By default, for all CATEGORIES except kde-frameworks, assume we are building
+# a GUI application. Add dependency on kde-frameworks/breeze-icons or
+# kde-frameworks/oxygen-icons and run the xdg.eclass routines for pkg_preinst,
+# pkg_postinst and pkg_postrm. If set to "true", do nothing.
+if [[ ${CATEGORY} = kde-frameworks ]]; then
+	: ${ECM_NONGUI:=true}
+fi
+: ${ECM_NONGUI:=false}
+
+# @ECLASS-VARIABLE: ECM_DEBUG
+# @DESCRIPTION:
+# Add "debug" to IUSE. If !debug, add -DNDEBUG (via cmake-utils_src_configure)
+# and -DQT_NO_DEBUG to CPPFLAGS. If set to "false", do nothing.
+: ${ECM_DEBUG:=true}
+
+# @ECLASS-VARIABLE: ECM_DESIGNERPLUGIN
+# @DESCRIPTION:
+# If set to "true", add "designer" to IUSE to toggle build of designer plugins
+# and add the necessary BDEPEND. If set to "false", do nothing.
+: ${ECM_DESIGNERPLUGIN:=false}
+
+# @ECLASS-VARIABLE: ECM_EXAMPLES
+# @DESCRIPTION:
+# By default unconditionally ignore a top-level examples subdirectory.
+# If set to "true", add "examples" to IUSE to toggle adding that subdirectory.
+: ${ECM_EXAMPLES:=false}
+
+# @ECLASS-VARIABLE: ECM_HANDBOOK
+# @DESCRIPTION:
+# Will accept "true", "false", "optional", "forceoptional". If set to "false",
+# do nothing.
+# Otherwise, add "+handbook" to IUSE, add the appropriate dependency, and let
+# KF5DocTools generate and install the handbook from docbook file(s) found in
+# ECM_HANDBOOK_DIR. However if !handbook, disable build of ECM_HANDBOOK_DIR
+# in CMakeLists.txt.
+# If set to "optional", build with -DCMAKE_DISABLE_FIND_PACKAGE_KF5DocTools=ON
+# when !handbook. In case package requires KF5KDELibs4Support, see next:
+# If set to "forceoptional", remove a KF5DocTools dependency from the root
+# CMakeLists.txt in addition to the above.
+: ${ECM_HANDBOOK:=false}
+
+# @ECLASS-VARIABLE: ECM_HANDBOOK_DIR
+# @DESCRIPTION:
+# Specifies the directory containing the docbook file(s) relative to ${S} to
+# be processed by KF5DocTools (kdoctools_install).
+: ${ECM_HANDBOOK_DIR:=doc}
+
+# @ECLASS-VARIABLE: ECM_PO_DIRS
+# @DESCRIPTION:
+# Specifies directories of l10n files relative to ${S} to be processed by
+# KF5I18n (ki18n_install). If IUSE nls exists and is disabled then disable
+# build of these directories in CMakeLists.txt.
+: ${ECM_PO_DIRS:="po poqm"}
+
+# @ECLASS-VARIABLE: ECM_QTHELP
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Default value for all CATEGORIES except kde-frameworks is "false".
+# If set to "true", add "doc" to IUSE, add the appropriate dependency, let
+# -DBUILD_QCH=ON generate and install Qt compressed help files when USE=doc.
+# If set to "false", do nothing.
+if [[ ${CATEGORY} = kde-frameworks ]]; then
+	: ${ECM_QTHELP:=true}
+fi
+: ${ECM_QTHELP:=false}
+
+# @ECLASS-VARIABLE: ECM_TEST
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Will accept "true", "false", "optional", "forceoptional",
+# "forceoptional-recursive".
+# Default value is "false", except for CATEGORY=kde-frameworks where it is
+# set to "true". If set to "false", do nothing.
+# For any other value, add "test" to IUSE and DEPEND on dev-qt/qttest:5.
+# If set to "optional", build with -DCMAKE_DISABLE_FIND_PACKAGE_Qt5Test=ON
+# when USE=!test.
+# If set to "forceoptional", punt Qt5Test dependency and ignore "autotests",
+# "test", "tests" subdirs from top-level CMakeLists.txt when USE=!test.
+# If set to "forceoptional-recursive", punt Qt5Test dependencies and make
+# autotest(s), unittest(s) and test(s) subdirs from *any* CMakeLists.txt in
+# ${S} and below conditional on BUILD_TESTING when USE=!test. This is always
+# meant as a short-term fix and creates ${T}/${P}-tests-optional.patch to
+# refine and submit upstream.
+if [[ ${CATEGORY} = kde-frameworks ]]; then
+	: ${ECM_TEST:=true}
+fi
+: ${ECM_TEST:=false}
+
+# @ECLASS-VARIABLE: KFMIN
+# @DESCRIPTION:
+# Minimum version of Frameworks to require. The default value is not going to
+# be changed unless we also bump EAPI, which usually implies (rev-)bumping.
+# Version will later be used to differentiate between KF5/Qt5 and KF6/Qt6.
+: ${KFMIN:=5.64.0}
+
+# @ECLASS-VARIABLE: KFSLOT
+# @INTERNAL
+# @DESCRIPTION:
+# KDE Frameworks and Qt slot dependency, implied by KFMIN version.
+: ${KFSLOT:=5}
+
+case ${ECM_NONGUI} in
+	true) ;;
+	false)
+		# gui applications need breeze or oxygen for basic iconset, bug #564838
+		if [[ -n ${_KDE5_ECLASS} ]] ; then
+			RDEPEND+=" || (
+				>=kde-frameworks/breeze-icons-${KFMIN}:${KFSLOT}
+				kde-frameworks/oxygen-icons:*
+			)"
+		else
+			RDEPEND+=" || (
+				kde-frameworks/breeze-icons:*
+				kde-frameworks/oxygen-icons:*
+			)"
+		fi
+		;;
+	*)
+		eerror "Unknown value for \${ECM_NONGUI}"
+		die "Value ${ECM_NONGUI} is not supported"
+		;;
+esac
+
+case ${ECM_DEBUG} in
+	true)
+		IUSE+=" debug"
+		;;
+	false) ;;
+	*)
+		eerror "Unknown value for \${ECM_DEBUG}"
+		die "Value ${ECM_DEBUG} is not supported"
+		;;
+esac
+
+case ${ECM_DESIGNERPLUGIN} in
+	true)
+		IUSE+=" designer"
+		if [[ -n ${_KDE5_ECLASS} ]] ; then
+			BDEPEND+=" designer? ( >=dev-qt/designer-5.12.3:${KFSLOT} )"
+		else
+			BDEPEND+=" designer? ( dev-qt/designer:${KFSLOT} )"
+		fi
+		;;
+	false) ;;
+	*)
+		eerror "Unknown value for \${ECM_DESIGNERPLUGIN}"
+		die "Value ${ECM_DESIGNERPLUGIN} is not supported"
+		;;
+esac
+
+# @ECLASS-VARIABLE: KDE_DESIGNERPLUGIN
+# @DESCRIPTION:
+# If set to "false", do nothing.
+# Otherwise, add "designer" to IUSE to toggle build of designer plugins
+# and add the necessary BDEPEND.
+# TODO: drop after KDE Applications 19.08.3 removal
+: ${KDE_DESIGNERPLUGIN:=false}
+case ${KDE_DESIGNERPLUGIN} in
+	true)
+		IUSE+=" designer"
+		BDEPEND+="
+			designer? ( >=kde-frameworks/kdesignerplugin-${KFMIN}:${KFSLOT} )
+		"
+		;;
+	false) ;;
+	*)
+		eerror "Unknown value for \${KDE_DESIGNERPLUGIN}"
+		die "Value ${KDE_DESIGNERPLUGIN} is not supported"
+		;;
+esac
+
+case ${ECM_EXAMPLES} in
+	true)
+		IUSE+=" examples"
+		;;
+	false) ;;
+	*)
+		eerror "Unknown value for \${ECM_EXAMPLES}"
+		die "Value ${ECM_EXAMPLES} is not supported"
+		;;
+esac
+
+case ${ECM_HANDBOOK} in
+	true|optional|forceoptional)
+		IUSE+=" +handbook"
+		BDEPEND+=" handbook? ( >=kde-frameworks/kdoctools-${KFMIN}:${KFSLOT} )"
+		;;
+	false) ;;
+	*)
+		eerror "Unknown value for \${ECM_HANDBOOK}"
+		die "Value ${ECM_HANDBOOK} is not supported"
+		;;
+esac
+
+case ${ECM_QTHELP} in
+	true)
+		IUSE+=" doc"
+		if [[ -n ${_KDE5_ECLASS} ]] ; then
+			COMMONDEPEND+=" doc? ( >=dev-qt/qt-docs-5.12.3:${KFSLOT} )"
+			BDEPEND+=" >=dev-qt/qthelp-5.12.3:${KFSLOT} )"
+		else
+			COMMONDEPEND+=" doc? ( dev-qt/qt-docs:${KFSLOT} )"
+			BDEPEND+=" dev-qt/qthelp:${KFSLOT} )"
+		fi
+		BDEPEND+=" doc? ( >=app-doc/doxygen-1.8.13-r1 )"
+		;;
+	false) ;;
+	*)
+		eerror "Unknown value for \${ECM_QTHELP}"
+		die "Value ${ECM_QTHELP} is not supported"
+		;;
+esac
+
+case ${ECM_TEST} in
+	true|optional|forceoptional|forceoptional-recursive)
+		IUSE+=" test"
+		if [[ -n ${_KDE5_ECLASS} ]] ; then
+			DEPEND+=" test? ( >=dev-qt/qttest-5.12.3:${KFSLOT} )"
+		else
+			DEPEND+=" test? ( dev-qt/qttest:${KFSLOT} )"
+		fi
+		RESTRICT+=" !test? ( test )"
+		;;
+	false) ;;
+	*)
+		eerror "Unknown value for \${ECM_TEST}"
+		die "Value ${ECM_TEST} is not supported"
+		;;
+esac
+
+BDEPEND+=" >=kde-frameworks/extra-cmake-modules-${KFMIN}:${KFSLOT}"
+RDEPEND+=" >=kde-frameworks/kf-env-4"
+if [[ -n ${_KDE5_ECLASS} ]] ; then
+	COMMONDEPEND+=" >=dev-qt/qtcore-5.12.3:${KFSLOT}"
+else
+	COMMONDEPEND+=" dev-qt/qtcore:${KFSLOT}"
+fi
+
+DEPEND+=" ${COMMONDEPEND}"
+RDEPEND+=" ${COMMONDEPEND}"
+unset COMMONDEPEND
+
+# @ECLASS-VARIABLE: KDE_GCC_MINIMAL
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Minimum version of active GCC to require. This is checked in
+# ecm_pkg_pretend and ecm_pkg_setup.
+
+# @FUNCTION: _ecm_check_gcc_version
+# @INTERNAL
+# @DESCRIPTION:
+# Determine if the current GCC version is acceptable, otherwise die.
+_ecm_check_gcc_version() {
+	if [[ ${MERGE_TYPE} != binary && -v KDE_GCC_MINIMAL ]] && tc-is-gcc; then
+
+		local version=$(gcc-version)
+
+		debug-print "GCC version check activated"
+		debug-print "Version detected: ${version}"
+		debug-print "Version required: ${KDE_GCC_MINIMAL}"
+
+		ver_test ${version} -lt ${KDE_GCC_MINIMAL} &&
+			die "Sorry, but gcc-${KDE_GCC_MINIMAL} or later is required for this package (found ${version})."
+	fi
+}
+
+# @FUNCTION: _ecm_strip_handbook_translations
+# @INTERNAL
+# @DESCRIPTION:
+# If LINGUAS is defined, enable only the requested translations when required.
+_ecm_strip_handbook_translations() {
+	if ! [[ -v LINGUAS ]]; then
+		return
+	fi
+
+	local lang po
+	for po in ${ECM_PO_DIRS}; do
+		if [[ -d ${po} ]] ; then
+			pushd ${po} > /dev/null || die
+			local lang
+			for lang in *; do
+				if [[ -e ${lang} ]] && ! has ${lang/.po/} ${LINGUAS} ; then
+					case ${lang} in
+						cmake_modules | \
+						CMakeLists.txt | \
+						${PN}.pot)	;;
+						*) rm -r ${lang} || die	;;
+					esac
+					if [[ -e CMakeLists.txt ]] ; then
+						cmake_comment_add_subdirectory ${lang}
+						sed -e "/add_subdirectory([[:space:]]*${lang}\/.*[[:space:]]*)/d" \
+							-i CMakeLists.txt || die
+					fi
+				fi
+			done
+			popd > /dev/null || die
+		fi
+	done
+}
+
+# @FUNCTION: ecm_punt_bogus_dep
+# @USAGE: <prefix> <dependency>
+# @DESCRIPTION:
+# Removes a specified dependency from a find_package call with multiple
+# components.
+ecm_punt_bogus_dep() {
+	local prefix=${1}
+	local dep=${2}
+
+	if [[ ! -e "CMakeLists.txt" ]]; then
+		return
+	fi
+
+	pcregrep -Mni "(?s)find_package\s*\(\s*${prefix}[^)]*?${dep}.*?\)" CMakeLists.txt > "${T}/bogus${dep}"
+
+	# pcregrep returns non-zero on no matches/error
+	if [[ $? -ne 0 ]] ; then
+		return
+	fi
+
+	local length=$(wc -l "${T}/bogus${dep}" | cut -d " " -f 1)
+	local first=$(head -n 1 "${T}/bogus${dep}" | cut -d ":" -f 1)
+	local last=$(( length + first - 1))
+
+	sed -e "${first},${last}s/${dep}//" -i CMakeLists.txt || die
+
+	if [[ ${length} -eq 1 ]] ; then
+		sed -e "/find_package\s*(\s*${prefix}\(\s\+\(REQUIRED\|CONFIG\|COMPONENTS\|\${[A-Z0-9_]*}\)\)\+\s*)/Is/^/# removed by ecm.eclass - /" -i CMakeLists.txt || die
+	fi
+}
+
+# @FUNCTION: ecm_pkg_pretend
+# @DESCRIPTION:
+# Checks if the active compiler meets the minimum version requirements.
+# phase function is only exported if KDE_GCC_MINIMAL is defined.
+ecm_pkg_pretend() {
+	debug-print-function ${FUNCNAME} "$@"
+	_ecm_check_gcc_version
+}
+
+# @FUNCTION: ecm_pkg_setup
+# @DESCRIPTION:
+# Checks if the active compiler meets the minimum version requirements.
+ecm_pkg_setup() {
+	debug-print-function ${FUNCNAME} "$@"
+	_ecm_check_gcc_version
+}
+
+# @FUNCTION: ecm_src_prepare
+# @DESCRIPTION:
+# Wrapper for cmake-utils_src_prepare with lots of extra logic for magic
+# handling of linguas, tests, handbook etc.
+ecm_src_prepare() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	cmake-utils_src_prepare
+
+	# only build examples when required
+	if ! { in_iuse examples && use examples; } ; then
+		cmake_comment_add_subdirectory examples
+	fi
+
+	# only enable handbook when required
+	if in_iuse handbook && ! use handbook ; then
+		cmake_comment_add_subdirectory ${ECM_HANDBOOK_DIR}
+
+		if [[ ${ECM_HANDBOOK} = forceoptional ]] ; then
+			punt_bogus_dep KF5 DocTools
+			sed -i -e "/kdoctools_install/ s/^/#DONT/" CMakeLists.txt || die
+		fi
+	fi
+
+	# drop translations when nls is not wanted
+	if in_iuse nls && ! use nls ; then
+		local po
+		for po in ${ECM_PO_DIRS}; do
+			rm -rf ${po} || die
+		done
+	fi
+
+	# don't change behaviour for kde5.eclass consumers
+	# for ported ebuilds, limit playing field of this to kde-*/ categories
+	if [[ -n ${_KDE5_ECLASS} ]] ; then
+		_ecm_strip_handbook_translations # TODO: kde5.eclass cleanup
+	elif [[ ${CATEGORY} = kde-* ]] ; then
+		# always install unconditionally for kconfigwidgets - if you use
+		# language X as system language, and there is a combobox with language
+		# names, the translated language name for language Y is taken from
+		# /usr/share/locale/Y/kf5_entry.desktop
+		[[ ${PN} != kconfigwidgets ]] && _ecm_strip_handbook_translations
+	fi
+
+	# only build unit tests when required
+	if ! { in_iuse test && use test; } ; then
+		if [[ ${ECM_TEST} = forceoptional ]] ; then
+			punt_bogus_dep Qt5 Test
+			# if forceoptional, also cover non-kde categories
+			cmake_comment_add_subdirectory autotests test tests
+		elif [[ ${ECM_TEST} = forceoptional-recursive ]] ; then
+			punt_bogus_dep Qt5 Test
+			local f pf="${T}/${P}"-tests-optional.patch
+			touch ${pf} || die "Failed to touch patch file"
+			for f in $(find . -type f -name "CMakeLists.txt" -exec \
+				grep -l "^\s*add_subdirectory\s*\(\s*.*\(auto|unit\)\?tests\?\s*)\s*\)" {} \;); do
+				cp ${f} ${f}.old || die "Failed to prepare patch origfile"
+				pushd ${f%/*} > /dev/null || die
+					punt_bogus_dep Qt5 Test
+					sed -i CMakeLists.txt -e \
+						"/^#/! s/add_subdirectory\s*\(\s*.*\(auto|unit\)\?tests\?\s*)\s*\)/if(BUILD_TESTING)\n&\nendif()/" \
+						|| die
+				popd > /dev/null || die
+				diff -Naur ${f}.old ${f} 1>>${pf}
+				rm ${f}.old || die "Failed to clean up"
+			done
+			eqawarn "Build system was modified by ECM_TEST=forceoptional-recursive."
+			eqawarn "Unified diff file ready for pickup in:"
+			eqawarn "  ${pf}"
+			eqawarn "Push it upstream to make this message go away."
+		elif [[ ${CATEGORY} = kde-frameworks || ${CATEGORY} = kde-plasma || ${CATEGORY} = kde-apps ]] ; then
+			cmake_comment_add_subdirectory autotests test tests
+		fi
+	fi
+
+	# in frameworks, tests = manual tests so never build them
+	if [[ ${CATEGORY} = kde-frameworks ]] && [[ ${PN} != extra-cmake-modules ]]; then
+		cmake_comment_add_subdirectory tests
+	fi
+}
+
+# @FUNCTION: ecm_src_configure
+# @DESCRIPTION:
+# Wrapper for cmake-utils_src_configure with extra logic for magic handling of
+# handbook, tests etc.
+ecm_src_configure() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	# we rely on cmake-utils.eclass to append -DNDEBUG too
+	if in_iuse debug && ! use debug; then
+		append-cppflags -DQT_NO_DEBUG
+	fi
+
+	local cmakeargs
+
+	if in_iuse test && ! use test ; then
+		cmakeargs+=( -DBUILD_TESTING=OFF )
+
+		if [[ ${ECM_TEST} = optional ]] ; then
+			cmakeargs+=( -DCMAKE_DISABLE_FIND_PACKAGE_Qt5Test=ON )
+		fi
+	fi
+
+	if [[ ${ECM_HANDBOOK} = optional ]] ; then
+		cmakeargs+=( -DCMAKE_DISABLE_FIND_PACKAGE_KF5DocTools=$(usex handbook) )
+	fi
+
+	if in_iuse designer && [[ ${ECM_DESIGNERPLUGIN} = true ]]; then
+		cmakeargs+=( -DBUILD_DESIGNERPLUGIN=$(usex designer) )
+	fi
+
+	# TODO: drop after KDE Applications 19.08.3 removal
+	if in_iuse designer && [[ ${KDE_DESIGNERPLUGIN} != false ]] ; then
+		cmakeargs+=( $(cmake-utils_use_find_package designer KF5DesignerPlugin) )
+	fi
+
+	if [[ ${ECM_QTHELP} = true ]]; then
+		cmakeargs+=( -DBUILD_QCH=$(usex doc) )
+	fi
+
+	if [[ ${ECM_KDEINSTALLDIRS} = true ]] ; then
+		cmakeargs+=(
+			# install mkspecs in the same directory as Qt stuff
+			-DKDE_INSTALL_USE_QT_SYS_PATHS=ON
+			# move handbook outside of doc dir, bug 667138
+			-DKDE_INSTALL_DOCBUNDLEDIR="${EPREFIX}/usr/share/help"
+		)
+	fi
+
+	# allow the ebuild to override what we set here
+	mycmakeargs=("${cmakeargs[@]}" "${mycmakeargs[@]}")
+
+	cmake-utils_src_configure
+}
+
+# @FUNCTION: ecm_src_compile
+# @DESCRIPTION:
+# Wrapper for cmake-utils_src_compile. Currently doesn't do anything extra, but
+# is included as part of the API just in case it's needed in the future.
+ecm_src_compile() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	cmake-utils_src_compile "$@"
+}
+
+# @FUNCTION: ecm_src_test
+# @DESCRIPTION:
+# Wrapper for cmake-utils_src_test with extra logic for magic handling of dbus
+# and virtualx.
+ecm_src_test() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	_test_runner() {
+		if [[ -n "${VIRTUALDBUS_TEST}" ]]; then
+			export $(dbus-launch)
+		fi
+
+		cmake-utils_src_test
+	}
+
+	# When run as normal user during ebuild development with the ebuild command,
+	# tests tend to access the session DBUS. This however is not possible in a
+	# real emerge or on the tinderbox.
+	# make sure it does not happen, so bad tests can be recognized and disabled
+	unset DBUS_SESSION_BUS_ADDRESS DBUS_SESSION_BUS_PID
+
+	if [[ ${VIRTUALX_REQUIRED} = always || ${VIRTUALX_REQUIRED} = test ]]; then
+		virtx _test_runner
+	else
+		_test_runner
+	fi
+
+	if [[ -n "${DBUS_SESSION_BUS_PID}" ]] ; then
+		kill ${DBUS_SESSION_BUS_PID}
+	fi
+}
+
+# @FUNCTION: ecm_src_install
+# @DESCRIPTION:
+# Wrapper for cmake-utils_src_install. Currently doesn't do anything extra, but
+# is included as part of the API just in case it's needed in the future.
+ecm_src_install() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	cmake-utils_src_install
+}
+
+# @FUNCTION: ecm_pkg_preinst
+# @DESCRIPTION:
+# Sets up environment variables required in ecm_pkg_postinst.
+ecm_pkg_preinst() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	case ${ECM_NONGUI} in
+		false) xdg_pkg_preinst ;;
+		*) ;;
+	esac
+}
+
+# @FUNCTION: ecm_pkg_postinst
+# @DESCRIPTION:
+# Updates the various XDG caches (icon, desktop, mime) if necessary.
+ecm_pkg_postinst() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	case ${ECM_NONGUI} in
+		false) xdg_pkg_postinst ;;
+		*) ;;
+	esac
+
+	if [[ -n ${_KDE_ORG_ECLASS} ]] && [[ -z ${I_KNOW_WHAT_I_AM_DOING} ]] && [[ ${KDE_BUILD_TYPE} = live ]]; then
+		einfo "WARNING! This is an experimental live ebuild of ${CATEGORY}/${PN}"
+		einfo "Use it at your own risk."
+		einfo "Do _NOT_ file bugs at bugs.gentoo.org because of this ebuild!"
+	fi
+}
+
+# @FUNCTION: ecm_pkg_postrm
+# @DESCRIPTION:
+# Updates the various XDG caches (icon, desktop, mime) if necessary.
+ecm_pkg_postrm() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	case ${ECM_NONGUI} in
+		false) xdg_pkg_postrm ;;
+		*) ;;
+	esac
+}
+
+fi

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