[gentoo-commits] proj/qt:master commit in: eclass/

[Davide Pesavento]

commit:     73b63d05c22a7772b1947e2187bc1ff251d25e04
Author:     Davide Pesavento <davidepesa <AT> gmail <DOT> com>
AuthorDate: Wed Jun  6 17:48:29 2012 +0000
Commit:     Davide Pesavento <pesa <AT> gentoo <DOT> org>
CommitDate: Wed Jun  6 17:48:29 2012 +0000
URL:        http://git.overlays.gentoo.org/gitweb/?p=proj/qt.git;a=commit;h=73b63d05

[qt5-build.eclass] New work-in-progress eclass for Qt5 split ebuilds.

---
 eclass/qt5-build.eclass |  436 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 436 insertions(+), 0 deletions(-)

diff --git a/eclass/qt5-build.eclass b/eclass/qt5-build.eclass
new file mode 100644
index 0000000..bf8d3f7
--- /dev/null
+++ b/eclass/qt5-build.eclass
@@ -0,0 +1,436 @@
+# Copyright 1999-2012 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+
+# @ECLASS: qt5-build.eclass
+# @MAINTAINER:
+# Qt herd <qt@g.o>
+# @BLURB: Eclass for Qt5 split ebuilds.
+# @DESCRIPTION:
+# This eclass contains various functions that are used when building Qt5.
+# eutils, flag-o-matic, multilib eclasses are guaranteed to be already inherited.
+# Requires EAPI 4.
+
+case ${EAPI} in
+	4)	: ;;
+	*)	die "qt5-build.eclass: unsupported EAPI=${EAPI:-0}" ;;
+esac
+
+inherit base eutils flag-o-matic multilib toolchain-funcs versionator
+
+if [[ ${PV} == *9999* ]]; then
+	QT5_BUILD_TYPE="live"
+	inherit git-2
+else
+	QT5_BUILD_TYPE="release"
+fi
+
+EXPORT_FUNCTIONS pkg_setup src_unpack src_prepare src_configure src_compile src_install src_test pkg_postinst pkg_postrm
+
+HOMEPAGE="http://qt-project.org/ http://qt.nokia.com/"
+LICENSE="|| ( LGPL-2.1 GPL-3 )"
+SLOT="5"
+
+case ${PN#qt-} in
+	bearer|core|dbus|gui|sql|test|xml)	repo_name="qtbase" ;;
+	3d|jsbackend|script|svg|xmlpatterns)	repo_name="${PN/-}" ;;
+	*) die "qt5-build.eclass: unknown module ${PN}" ;;
+esac
+case ${QT5_BUILD_TYPE} in
+	live)
+		EGIT_REPO_URI="git://gitorious.org/qt/${repo_name}.git
+			https://git.gitorious.org/qt/${repo_name}.git"
+		;;
+	release)
+		SRC_URI="" # TODO
+esac
+unset repo_name
+
+IUSE="+c++11 debug +pch"
+
+DEPEND="virtual/pkgconfig"
+if [[ ${QT5_BUILD_TYPE} == live ]]; then
+	DEPEND+=" dev-lang/perl"
+fi
+
+# @ECLASS-VARIABLE: PATCHES
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Array variable containing all the patches to be applied. This variable
+# is expected to be defined in the global scope of ebuilds. Make sure to
+# specify the full path. This variable is used in src_prepare phase.
+#
+# Example:
+# @CODE
+#	PATCHES=(
+#		"${FILESDIR}/mypatch.patch"
+#		"${FILESDIR}/mypatch2.patch"
+#	)
+# @CODE
+
+# @ECLASS-VARIABLE: QT5_TARGET_SUBDIRS
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Array variable containing the source directories that should be built.
+# All paths must be relative to ${S}.
+
+# @ECLASS-VARIABLE: QT5_BUILD_DIR
+# @DESCRIPTION:
+# Build directory for out-of-source builds.
+: ${QT5_BUILD_DIR:=${WORKDIR}/${P}_build}
+
+# @ECLASS-VARIABLE: QT5_VERBOSE_CONFIGURE
+# @DESCRIPTION:
+# Set to false to suppress printing of detailed information
+# about each step of the configure process.
+: ${QT5_VERBOSE_CONFIGURE:=true}
+
+# @ECLASS-VARIABLE: QT5_VERBOSE_BUILD
+# @DESCRIPTION:
+# Set to false to reduce build output during compilation.
+: ${QT5_VERBOSE_BUILD:=true}
+
+# @ECLASS-VARIABLE: QCONFIG_ADD
+# @DESCRIPTION:
+# List of options that need to be added to QT_CONFIG in qconfig.pri
+: ${QCONFIG_ADD:=}
+
+# @ECLASS-VARIABLE: QCONFIG_REMOVE
+# @DESCRIPTION:
+# List of options that need to be removed from QT_CONFIG in qconfig.pri
+: ${QCONFIG_REMOVE:=}
+
+# @ECLASS-VARIABLE: QCONFIG_DEFINE
+# @DESCRIPTION:
+# List of variables that should be defined at the top of QtCore/qconfig.h
+: ${QCONFIG_DEFINE:=}
+
+# @FUNCTION: qt5-build_pkg_setup
+# @DESCRIPTION:
+# Warns and/or dies if the user is trying to downgrade Qt.
+qt5-build_pkg_setup() {
+	# Protect users by not allowing downgrades between releases.
+	# Downgrading revisions within the same release should be allowed.
+	if has_version ">${CATEGORY}/${P}-r9999:${SLOT}"; then
+		if [[ -z ${I_KNOW_WHAT_I_AM_DOING} ]]; then
+			eerror "    ***  Sanity check to keep you from breaking your system  ***"
+			eerror "Downgrading Qt is completely unsupported and will break your system!"
+			die "aborting to save your system"
+		else
+			ewarn "Downgrading Qt is completely unsupported and will break your system!"
+		fi
+	fi
+}
+
+# @FUNCTION: qt5-build_src_unpack
+# @DESCRIPTION:
+# Unpacks the sources.
+qt5-build_src_unpack() {
+	if ! version_is_at_least 4.4 $(gcc-version); then
+		ewarn "Using a GCC version lower than 4.4 is not supported."
+	fi
+
+	if [[ ${PN} == "qt-webkit" ]]; then
+		eshopts_push -s extglob
+		if is-flagq '-g?(gdb)?([1-9])'; then
+			echo
+			ewarn "You have enabled debug info (probably have -g or -ggdb in your CFLAGS/CXXFLAGS)."
+			ewarn "You may experience really long compilation times and/or increased memory usage."
+			ewarn "If compilation fails, please try removing -g/-ggdb before reporting a bug."
+			ewarn "For more info check out https://bugs.gentoo.org/307861"
+			echo
+		fi
+		eshopts_pop
+	fi
+
+	case ${QT5_BUILD_TYPE} in
+		live)
+			git-2_src_unpack
+			;;
+		release)
+			default
+			;;
+	esac
+
+	qt5_prepare_env
+}
+
+# @FUNCTION: qt5-build_src_prepare
+# @DESCRIPTION:
+# Prepare the sources before the configure phase.
+qt5-build_src_prepare() {
+	if [[ ${PN} != "qt-core" ]]; then
+		skip_qmake_build
+		skip_project_generation
+		symlink_binaries_to_buildtree
+	fi
+
+	# Respect CC, CXX, *FLAGS, MAKEOPTS and EXTRA_EMAKE when building qmake
+	sed -i -e "/\"\$MAKE\".*QMAKE_BUILD_ERROR/ s:): \
+		${MAKEOPTS} ${EXTRA_EMAKE} \
+		'CC=$(tc-getCC)' 'CXX=$(tc-getCXX)' \
+		'QMAKE_CFLAGS=${CFLAGS}' 'QMAKE_CXXFLAGS=${CXXFLAGS}' 'QMAKE_LFLAGS=${LDFLAGS}'&:" \
+		configure || die "sed configure failed"
+
+	# Respect CC, CXX, LINK and *FLAGS in config.tests
+	find config.tests/unix -name '*.test' -type f -print0 | xargs -0 \
+		sed -i -e "/bin\/qmake/ s: \"QT_BUILD_TREE=: \
+			'QMAKE_CC=$(tc-getCC)'    'QMAKE_CXX=$(tc-getCXX)'      'QMAKE_LINK=$(tc-getCXX)' \
+			'QMAKE_CFLAGS+=${CFLAGS}' 'QMAKE_CXXFLAGS+=${CXXFLAGS}' 'QMAKE_LFLAGS+=${LDFLAGS}'&:" \
+		|| die "sed config.tests failed"
+
+	# TODO
+	# in compile.test, -m flags are passed to the linker via LIBS
+	# config tests that use $COMPILER directly ignore toolchain
+
+	# respect compiler
+	tc-export CC CXX
+	# qmake-generated Makefiles use LD/LINK for linking
+	export LD="$(tc-getCXX)"
+	# don't strip binaries
+	export STRIP=":"
+
+	base_src_prepare
+}
+
+# @FUNCTION: qt5-build_src_configure
+# @DESCRIPTION:
+# Default configure phase.
+qt5-build_src_configure() {
+	# configure arguments
+	local conf=(
+		# installation paths
+		-prefix "${QTPREFIXDIR}"
+		-bindir "${QTBINDIR}"
+		-libdir "${QTLIBDIR}"
+		-docdir "${QTDOCDIR}"
+		-headerdir "${QTHEADERDIR}"
+		-plugindir "${QTPLUGINDIR}"
+		-importdir "${QTIMPORTDIR}"
+		-datadir "${QTDATADIR}"
+		-translationdir "${QTTRANSDIR}"
+		-sysconfdir "${QTSYSCONFDIR}"
+		-examplesdir "${QTEXAMPLESDIR}"
+		-testsdir "${QTTESTSDIR}"
+
+		# debug/release
+		$(use debug && echo -debug || echo -release)
+		-no-separate-debug-info
+
+		# licensing stuff
+		-opensource -confirm-license
+
+		# C++11 support
+		$(qt_use c++11)
+
+		# general configure options
+		-shared -fast -largefile
+		-pkg-config
+		-system-zlib -system-pcre
+
+		# don't build examples
+		-nomake examples
+
+		# disable rpath on non-prefix (bugs 380415 and 417169)
+		$(use prefix || echo -no-rpath)
+
+		# verbosity of the configure and build phases
+		$(${QT5_VERBOSE_CONFIGURE} && echo -verbose)
+		$(${QT5_VERBOSE_BUILD} || echo -silent)
+
+		# precompiled headers don't work on hardened, where the flag is masked
+		$(qt_use pch)
+
+		# reduce relocations in libraries through extra linker optimizations
+		# requires GNU ld >= 2.18
+		-reduce-relocations
+
+		# freetype2 include dir is non-standard
+		# FIXME: move to qt-gui ebuild?
+		$($(tc-getPKG_CONFIG) --cflags-only-I freetype2 2>/dev/null)
+
+		# package-specific options
+		"${myconf[@]}"
+	)
+
+	mkdir -p "${QT5_BUILD_DIR}" || die
+	pushd "${QT5_BUILD_DIR}" >/dev/null || die
+
+	einfo "Configuring with: ${conf[@]}"
+	"${S}"/configure "${conf[@]}" || die "configure failed"
+
+	popd >/dev/null || die
+}
+
+# @FUNCTION: qt5-build_src_compile
+# @DESCRIPTION:
+# Compiles the code in QT5_TARGET_SUBDIRS.
+qt5-build_src_compile() {
+	local subdir
+	for subdir in "${QT5_TARGET_SUBDIRS[@]}"; do
+		pushd "${QT5_BUILD_DIR}/${subdir}" >/dev/null || die
+		einfo "Building in ${subdir}"
+		emake
+		popd >/dev/null || die
+	done
+}
+
+# @FUNCTION: qt5-build_src_test
+# @DESCRIPTION:
+# Runs tests in target directories.
+qt5-build_src_test() {
+	# TODO
+	:
+}
+
+# @FUNCTION: qt5-build_src_install
+# @DESCRIPTION:
+# Perform the actual installation including some library fixes.
+qt5-build_src_install() {
+	local subdir
+	for subdir in "${QT5_TARGET_SUBDIRS[@]}"; do
+		pushd "${QT5_BUILD_DIR}/${subdir}" >/dev/null || die
+		emake INSTALL_ROOT="${D}" install
+		popd >/dev/null || die
+	done
+
+	# TODO: install_qconfigs
+	# TODO: pkgconfig files are installed in the wrong place
+
+	# remove .la files since we are building only shared Qt libraries
+	# FIXME: use prune_libtool_files when it'll be available in eutils.eclass
+	find "${D}"${QTLIBDIR} -type f -name '*.la' -print0 | xargs -0 rm -f
+}
+
+# @FUNCTION: qt5-build_pkg_postinst
+# @DESCRIPTION:
+# Regenerate configuration, plus throw a message about possible
+# breakages and proposed solutions.
+qt5-build_pkg_postinst() {
+	# TODO
+	#generate_qconfigs
+	:
+}
+
+# @FUNCTION: qt5-build_pkg_postrm
+# @DESCRIPTION:
+# Regenerate configuration when the package is completely removed.
+qt5-build_pkg_postrm() {
+	# TODO
+	#generate_qconfigs
+	:
+}
+
+# @FUNCTION: qt5_prepare_env
+# @INTERNAL
+# @DESCRIPTION:
+# Sets up installation directories.
+qt5_prepare_env() {
+	QTPREFIXDIR=${EPREFIX}/usr
+	QTBINDIR=${EPREFIX}/usr/qt5/bin # FIXME
+	QTLIBDIR=${QTPREFIXDIR}/$(get_libdir)/qt5
+	QTDOCDIR=${QTPREFIXDIR}/share/doc/qt-${PV}
+	QTHEADERDIR=${QTPREFIXDIR}/include/qt5
+	QTPLUGINDIR=${QTLIBDIR}/plugins
+	QTIMPORTDIR=${QTLIBDIR}/imports
+	QTDATADIR=${QTPREFIXDIR}/share/qt5
+	QTTRANSDIR=${QTDATADIR}/translations
+	QTEXAMPLESDIR=${QTDATADIR}/examples
+	QTTESTSDIR=${QTDATADIR}/tests
+	QTSYSCONFDIR=${EPREFIX}/etc/qt5
+}
+
+# @FUNCTION: qt_use
+# @USAGE: < flag > [ feature ] [ enableval ]
+# @DESCRIPTION:
+# This will echo "-${enableval}-${feature}" if <flag> is enabled, or
+# "-no-${feature}" if it's disabled. If [feature] is not specified, <flag>
+# will be used for that. If [enableval] is not specified, it omits the
+# "-${enableval}" part.
+qt_use() {
+	use "$1" && echo "${3:+-$3}-${2:-$1}" || echo "-no-${2:-$1}"
+}
+
+# @FUNCTION: install_qconfigs
+# @INTERNAL
+# @DESCRIPTION:
+# Install gentoo-specific mkspecs configurations.
+install_qconfigs() {
+	local x
+
+	if [[ -n ${QCONFIG_ADD} || -n ${QCONFIG_REMOVE} ]]; then
+		for x in QCONFIG_ADD QCONFIG_REMOVE; do
+			[[ -n ${!x} ]] && echo ${x}=${!x} >> "${T}"/${PN}-qconfig.pri
+		done
+		insinto ${QTDATADIR#${EPREFIX}}/mkspecs/gentoo
+		doins "${T}"/${PN}-qconfig.pri || die "installing ${PN}-qconfig.pri failed"
+	fi
+
+	if [[ -n ${QCONFIG_DEFINE} ]]; then
+		for x in ${QCONFIG_DEFINE}; do
+			echo "#define ${x}" >> "${T}"/gentoo-${PN}-qconfig.h
+		done
+		insinto ${QTHEADERDIR#${EPREFIX}}/Gentoo
+		doins "${T}"/gentoo-${PN}-qconfig.h || die "installing ${PN}-qconfig.h failed"
+	fi
+}
+
+# @FUNCTION: generate_qconfigs
+# @INTERNAL
+# @DESCRIPTION:
+# Generates gentoo-specific qconfig.{h,pri}.
+generate_qconfigs() {
+	if [[ -n ${QCONFIG_ADD} || -n ${QCONFIG_REMOVE} || -n ${QCONFIG_DEFINE} ]]; then
+		local x qconfig_add qconfig_remove qconfig_new
+		for x in "${ROOT}${QTDATADIR}"/mkspecs/gentoo/*-qconfig.pri; do
+			[[ -f ${x} ]] || continue
+			qconfig_add+=" $(sed -n 's/^QCONFIG_ADD=//p' "${x}")"
+			qconfig_remove+=" $(sed -n 's/^QCONFIG_REMOVE=//p' "${x}")"
+		done
+
+		# these error checks do not use die because dying in pkg_post{inst,rm}
+		# just makes things worse.
+		if [[ -e "${ROOT}${QTDATADIR}"/mkspecs/gentoo/qconfig.pri ]]; then
+			# start with the qconfig.pri that qt-core installed
+			if ! cp "${ROOT}${QTDATADIR}"/mkspecs/gentoo/qconfig.pri \
+				"${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri; then
+				eerror "cp qconfig failed."
+				return 1
+			fi
+
+			# generate list of QT_CONFIG entries from the existing list
+			# including qconfig_add and excluding qconfig_remove
+			for x in $(sed -n 's/^QT_CONFIG +=//p' \
+				"${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri) ${qconfig_add}; do
+					has ${x} ${qconfig_remove} || qconfig_new+=" ${x}"
+			done
+
+			# replace the existing QT_CONFIG list with qconfig_new
+			if ! sed -i -e "s/QT_CONFIG +=.*/QT_CONFIG += ${qconfig_new}/" \
+				"${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri; then
+				eerror "Sed for QT_CONFIG failed"
+				return 1
+			fi
+
+			# create Gentoo/qconfig.h
+			if [[ ! -e ${ROOT}${QTHEADERDIR}/Gentoo ]]; then
+				if ! mkdir -p "${ROOT}${QTHEADERDIR}"/Gentoo; then
+					eerror "mkdir ${QTHEADERDIR}/Gentoo failed"
+					return 1
+				fi
+			fi
+			: > "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-qconfig.h
+			for x in "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-*-qconfig.h; do
+				[[ -f ${x} ]] || continue
+				cat "${x}" >> "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-qconfig.h
+			done
+		else
+			rm -f "${ROOT}${QTDATADIR}"/mkspecs/qconfig.pri
+			rm -f "${ROOT}${QTHEADERDIR}"/Gentoo/gentoo-qconfig.h
+			rmdir "${ROOT}${QTDATADIR}"/mkspecs \
+				"${ROOT}${QTDATADIR}" \
+				"${ROOT}${QTHEADERDIR}"/Gentoo \
+				"${ROOT}${QTHEADERDIR}" 2>/dev/null
+		fi
+	fi
+}