sys-devel/clang/clang-9999.ebuild - mirrors/cros/chromiumos/overlays/chromiumos-overlay - Git at Google

 # Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 #
 # This package is originated from
 # http://sources.gentoo.org/sys-devel/clang/clang-9999.ebuild
 #
 # Note that we use downloading sources from SVN because llvm.org has
 # not released this version yet.

 EAPI=4

 RESTRICT_PYTHON_ABIS="3.*"
 SUPPORT_PYTHON_ABIS="1"

 inherit subversion eutils multilib python

 DESCRIPTION="C language family frontend for LLVM"
 HOMEPAGE="http://clang.llvm.org/"
 SRC_URI=""
 ESVN_REPO_URI="http://llvm.org/svn/llvm-project/cfe/trunk"

 LICENSE="UoI-NCSA"
 SLOT="0"
 KEYWORDS="~amd64"
 IUSE="+asan-32-explicit debug multitarget +static-analyzer test"

 DEPEND="static-analyzer? ( dev-lang/perl )"
 RDEPEND="~sys-devel/llvm-${PV}[multitarget=]"

 S="${WORKDIR}/llvm"

 src_unpack() {
 	# Fetching LLVM and subprojects
 	ESVN_PROJECT=llvm subversion_fetch "http://llvm.org/svn/llvm-project/llvm/trunk"
 	ESVN_PROJECT=compiler-rt S="${S}"/projects/compiler-rt subversion_fetch "http://llvm.org/svn/llvm-project/compiler-rt/trunk"
 	ESVN_PROJECT=clang S="${S}"/tools/clang subversion_fetch
 }

 src_prepare() {
 	if [ "/usr/x86_64-pc-linux-gnu/gcc-bin/4.6.x-google" != $(gcc-config -B) ]; then
 		ewarn "Beware sheriff: gcc's binaries are not in '/usr/x86_64-pc-linux-gnu/gcc-bin/4.6.x-google'"
 		ewarn "and are instead in $(gcc-config -B). This may lead to an unusable clang."
 		ewarn "Please test clang with a simple hello_world.cc file and update this message"
 	fi

 	# Same as llvm doc patches
 	epatch "${FILESDIR}"/${PN}-2.7-fixdoc.patch

 	# multilib-strict
 	sed -e "/PROJ_headers/s#lib/clang#$(get_libdir)/clang#" \
 		-i tools/clang/lib/Headers/Makefile \
 		|| die "clang Makefile failed"
 	sed -e "/PROJ_resources/s#lib/clang#$(get_libdir)/clang#" \
 		-i tools/clang/runtime/compiler-rt/Makefile \
 		|| die "compiler-rt Makefile failed"
 	# fix the static analyzer for in-tree install
 	sed -e 's/import ScanView/from clang \0/'  \
 		-i tools/clang/tools/scan-view/scan-view \
 		|| die "scan-view sed failed"
 	sed -e "/scanview.css\|sorttable.js/s#\$RealBin#${EPREFIX}/usr/share/${PN}#" \
 		-i tools/clang/tools/scan-build/scan-build \
 		|| die "scan-build sed failed"
 	# Set correct path for gold plugin
 	sed -e "/LLVMgold.so/s#lib/#$(get_libdir)/llvm/#" \
 		-i  tools/clang/lib/Driver/Tools.cpp \
 		|| die "gold plugin path sed failed"
 	# Specify python version
 	python_convert_shebangs 2 tools/clang/tools/scan-view/scan-view
 	python_convert_shebangs -r 2 test/Scripts
 	python_convert_shebangs 2 projects/compiler-rt/lib/asan/scripts/asan_symbolize.py

 	# From llvm src_prepare
 	einfo "Fixing install dirs"
 	sed -e 's,^PROJ_docsdir.*,PROJ_docsdir := $(PROJ_prefix)/share/doc/'${PF}, \
 		-e 's,^PROJ_etcdir.*,PROJ_etcdir := '"${EPREFIX}"'/etc/llvm,' \
 		-e 's,^PROJ_libdir.*,PROJ_libdir := $(PROJ_prefix)/'$(get_libdir)/llvm, \
 		-i Makefile.config.in || die "Makefile.config sed failed"

 	einfo "Fixing rpath and CFLAGS"
 	sed -e 's,\$(RPATH) -Wl\,\$(\(ToolDir\|LibDir\)),$(RPATH) -Wl\,'"${EPREFIX}"/usr/$(get_libdir)/llvm, \
 		-e '/OmitFramePointer/s/-fomit-frame-pointer//' \
 		-i Makefile.rules || die "rpath sed failed"

 	# Use system llc (from llvm ebuild) for tests
 	sed -e "/^llc_props =/s/os.path.join(llvm_tools_dir, 'llc')/'llc'/" \
 		-i tools/clang/test/lit.cfg  || die "test path sed failed"

 	# User patches
 	epatch_user
 }

 src_configure() {
 	local CONF_FLAGS="--enable-shared
 		--with-optimize-option=
 		$(use_enable !debug optimized)
 		$(use_enable debug assertions)
 		$(use_enable debug expensive-checks)"

 	# Setup the search path to include the Prefix includes
 	if use prefix ; then
 		CONF_FLAGS="${CONF_FLAGS} \
 			--with-c-include-dirs=${EPREFIX}/usr/include:/usr/include"
 	fi

 	if use multitarget; then
 		CONF_FLAGS="${CONF_FLAGS} --enable-targets=all"
 	else
 		CONF_FLAGS="${CONF_FLAGS} --enable-targets=host-only"
 	fi

 	if use amd64; then
 		CONF_FLAGS="${CONF_FLAGS} --enable-pic"
 	fi

 	econf ${CONF_FLAGS} || die "econf failed"
 }

 src_compile() {
 	emake VERBOSE=1 KEEP_SYMBOLS=1 REQUIRES_RTTI=1 clang-only || die "emake failed"

 	# This option is temporary and needed until Clang build process produces both 64 and 32 -bit asan library.
 	# Currently it produces only one: 64 bit. So we need to make 32 bit ourselves.
 	if use asan-32-explicit; then
 		einfo "Compiling 32-bit asan library."
 		cd "${S}"/projects/compiler-rt/lib/asan/ || die "cd asan failed"
 		emake -f Makefile.old get_third_party || die "emake asan32 get_third_party failed"
 		emake CC="${S}"/Release/bin/clang CXX="${S}"/Release/bin/clang++ -f Makefile.old lib32 || die "emake asan32 failed"
 		# Note that the output will go to ${S}/build/Release+Asserts/ because of MakeFile.old specifics.
 	fi
 }

 src_test() {
 	cd "${S}"/test || die "cd failed"
 	emake site.exp || die "updating llvm site.exp failed"

 	cd "${S}"/tools/clang || die "cd clang failed"

 	echo ">>> Test phase [test]: ${CATEGORY}/${PF}"

 	testing() {
 		if ! emake -j1 VERBOSE=1 test; then
 			has test $FEATURES && die "Make test failed. See above for details."
 			has test $FEATURES || eerror "Make test failed. See above for details."
 		fi
 	}
 	python_execute_function testing
 }

 src_install() {
 	cd "${S}"/tools/clang || die "cd clang failed"
 	emake KEEP_SYMBOLS=1 DESTDIR="${D}" install || die "install failed"

 	local ver=$(sed -ne "s|^PACKAGE_VERSION='\([0-9.]*\)[^0-9.]*'|\\1|p" < ${S}/configure)
 	if use asan-32-explicit; then
 		insinto "${EPREFIX}/usr/$(get_libdir)/clang/$ver/lib/linux"
 		doins "${S}"/build/Release+Asserts/lib/clang/$ver/lib/linux/libclang_rt.asan-i386.a
 	fi

 	if use static-analyzer ; then
 		dobin tools/scan-build/ccc-analyzer
 		dosym ccc-analyzer /usr/bin/c++-analyzer
 		dobin tools/scan-build/scan-build

 		insinto /usr/share/${PN}
 		doins tools/scan-build/scanview.css
 		doins tools/scan-build/sorttable.js

 		cd tools/scan-view || die "cd scan-view failed"
 		dobin scan-view
 		install-scan-view() {
 			insinto "$(python_get_sitedir)"/clang
 			doins Reporter.py Resources ScanView.py startfile.py
 			touch "${ED}"/"$(python_get_sitedir)"/clang/__init__.py
 		}
 		python_execute_function install-scan-view
 	fi

 	# AddressSanitizer symbolizer (currently separate)
 	dobin "${S}"/projects/compiler-rt/lib/asan/scripts/asan_symbolize.py

 	# Fix install_names on Darwin.  The build system is too complicated
 	# to just fix this, so we correct it post-install
 	if [[ ${CHOST} == *-darwin* ]] ; then
 		for lib in libclang.dylib ; do
 			ebegin "fixing install_name of $lib"
 			install_name_tool -id "${EPREFIX}"/usr/lib/llvm/${lib} \
 				"${ED}"/usr/lib/llvm/${lib}
 			eend $?
 		done
 		for f in usr/bin/{c-index-test,clang} usr/lib/llvm/libclang.dylib ; do
 			ebegin "fixing references in ${f##*/}"
 			install_name_tool \
 				-change "@rpath/libclang.dylib" \
 					"${EPREFIX}"/usr/lib/llvm/libclang.dylib \
 				-change "@executable_path/../lib/libLLVM-${PV}.dylib" \
 					"${EPREFIX}"/usr/lib/llvm/libLLVM-${PV}.dylib \
 				-change "${S}"/Release/lib/libclang.dylib \
 					"${EPREFIX}"/usr/lib/llvm/libclang.dylib \
 				"${ED}"/$f
 			eend $?
 		done
 	fi
 }

 pkg_postinst() {
 	python_mod_optimize clang
 }

 pkg_postrm() {
 	python_mod_cleanup clang
 }
	# Copyright 1999-2012 Gentoo Foundation
	# Distributed under the terms of the GNU General Public License v2
	#
	# This package is originated from
	# http://sources.gentoo.org/sys-devel/clang/clang-9999.ebuild
	#
	# Note that we use downloading sources from SVN because llvm.org has
	# not released this version yet.

	EAPI=4

	RESTRICT_PYTHON_ABIS="3.*"
	SUPPORT_PYTHON_ABIS="1"

	inherit subversion eutils multilib python

	DESCRIPTION="C language family frontend for LLVM"
	HOMEPAGE="http://clang.llvm.org/"
	SRC_URI=""
	ESVN_REPO_URI="http://llvm.org/svn/llvm-project/cfe/trunk"

	LICENSE="UoI-NCSA"
	SLOT="0"
	KEYWORDS="~amd64"
	IUSE="+asan-32-explicit debug multitarget +static-analyzer test"

	DEPEND="static-analyzer? ( dev-lang/perl )"
	RDEPEND="~sys-devel/llvm-${PV}[multitarget=]"

	S="${WORKDIR}/llvm"

	src_unpack() {
	# Fetching LLVM and subprojects
	ESVN_PROJECT=llvm subversion_fetch "http://llvm.org/svn/llvm-project/llvm/trunk"
	ESVN_PROJECT=compiler-rt S="${S}"/projects/compiler-rt subversion_fetch "http://llvm.org/svn/llvm-project/compiler-rt/trunk"
	ESVN_PROJECT=clang S="${S}"/tools/clang subversion_fetch
	}

	src_prepare() {
	if [ "/usr/x86_64-pc-linux-gnu/gcc-bin/4.6.x-google" != $(gcc-config -B) ]; then
	ewarn "Beware sheriff: gcc's binaries are not in '/usr/x86_64-pc-linux-gnu/gcc-bin/4.6.x-google'"
	ewarn "and are instead in $(gcc-config -B). This may lead to an unusable clang."
	ewarn "Please test clang with a simple hello_world.cc file and update this message"
	fi

	# Same as llvm doc patches
	epatch "${FILESDIR}"/${PN}-2.7-fixdoc.patch

	# multilib-strict
	sed -e "/PROJ_headers/s#lib/clang#$(get_libdir)/clang#" \
	-i tools/clang/lib/Headers/Makefile \
	\|\| die "clang Makefile failed"
	sed -e "/PROJ_resources/s#lib/clang#$(get_libdir)/clang#" \
	-i tools/clang/runtime/compiler-rt/Makefile \
	\|\| die "compiler-rt Makefile failed"
	# fix the static analyzer for in-tree install
	sed -e 's/import ScanView/from clang \0/' \
	-i tools/clang/tools/scan-view/scan-view \
	\|\| die "scan-view sed failed"
	sed -e "/scanview.css\\|sorttable.js/s#\$RealBin#${EPREFIX}/usr/share/${PN}#" \
	-i tools/clang/tools/scan-build/scan-build \
	\|\| die "scan-build sed failed"
	# Set correct path for gold plugin
	sed -e "/LLVMgold.so/s#lib/#$(get_libdir)/llvm/#" \
	-i tools/clang/lib/Driver/Tools.cpp \
	\|\| die "gold plugin path sed failed"
	# Specify python version
	python_convert_shebangs 2 tools/clang/tools/scan-view/scan-view
	python_convert_shebangs -r 2 test/Scripts
	python_convert_shebangs 2 projects/compiler-rt/lib/asan/scripts/asan_symbolize.py

	# From llvm src_prepare
	einfo "Fixing install dirs"
	sed -e 's,^PROJ_docsdir.*,PROJ_docsdir := $(PROJ_prefix)/share/doc/'${PF}, \
	-e 's,^PROJ_etcdir.*,PROJ_etcdir := '"${EPREFIX}"'/etc/llvm,' \
	-e 's,^PROJ_libdir.*,PROJ_libdir := $(PROJ_prefix)/'$(get_libdir)/llvm, \
	-i Makefile.config.in \|\| die "Makefile.config sed failed"

	einfo "Fixing rpath and CFLAGS"
	sed -e 's,\$(RPATH) -Wl\,\$(\(ToolDir\\|LibDir\)),$(RPATH) -Wl\,'"${EPREFIX}"/usr/$(get_libdir)/llvm, \
	-e '/OmitFramePointer/s/-fomit-frame-pointer//' \
	-i Makefile.rules \|\| die "rpath sed failed"

	# Use system llc (from llvm ebuild) for tests
	sed -e "/^llc_props =/s/os.path.join(llvm_tools_dir, 'llc')/'llc'/" \
	-i tools/clang/test/lit.cfg \|\| die "test path sed failed"

	# User patches
	epatch_user
	}

	src_configure() {
	local CONF_FLAGS="--enable-shared
	--with-optimize-option=
	$(use_enable !debug optimized)
	$(use_enable debug assertions)
	$(use_enable debug expensive-checks)"

	# Setup the search path to include the Prefix includes
	if use prefix ; then
	CONF_FLAGS="${CONF_FLAGS} \
	--with-c-include-dirs=${EPREFIX}/usr/include:/usr/include"
	fi

	if use multitarget; then
	CONF_FLAGS="${CONF_FLAGS} --enable-targets=all"
	else
	CONF_FLAGS="${CONF_FLAGS} --enable-targets=host-only"
	fi

	if use amd64; then
	CONF_FLAGS="${CONF_FLAGS} --enable-pic"
	fi

	econf ${CONF_FLAGS} \|\| die "econf failed"
	}

	src_compile() {
	emake VERBOSE=1 KEEP_SYMBOLS=1 REQUIRES_RTTI=1 clang-only \|\| die "emake failed"

	# This option is temporary and needed until Clang build process produces both 64 and 32 -bit asan library.
	# Currently it produces only one: 64 bit. So we need to make 32 bit ourselves.
	if use asan-32-explicit; then
	einfo "Compiling 32-bit asan library."
	cd "${S}"/projects/compiler-rt/lib/asan/ \|\| die "cd asan failed"
	emake -f Makefile.old get_third_party \|\| die "emake asan32 get_third_party failed"
	emake CC="${S}"/Release/bin/clang CXX="${S}"/Release/bin/clang++ -f Makefile.old lib32 \|\| die "emake asan32 failed"
	# Note that the output will go to ${S}/build/Release+Asserts/ because of MakeFile.old specifics.
	fi
	}

	src_test() {
	cd "${S}"/test \|\| die "cd failed"
	emake site.exp \|\| die "updating llvm site.exp failed"

	cd "${S}"/tools/clang \|\| die "cd clang failed"

	echo ">>> Test phase [test]: ${CATEGORY}/${PF}"

	testing() {
	if ! emake -j1 VERBOSE=1 test; then
	has test $FEATURES && die "Make test failed. See above for details."
	has test $FEATURES \|\| eerror "Make test failed. See above for details."
	fi
	}
	python_execute_function testing
	}

	src_install() {
	cd "${S}"/tools/clang \|\| die "cd clang failed"
	emake KEEP_SYMBOLS=1 DESTDIR="${D}" install \|\| die "install failed"

	local ver=$(sed -ne "s\|^PACKAGE_VERSION='\([0-9.]\)[^0-9.]'\|\\1\|p" < ${S}/configure)
	if use asan-32-explicit; then
	insinto "${EPREFIX}/usr/$(get_libdir)/clang/$ver/lib/linux"
	doins "${S}"/build/Release+Asserts/lib/clang/$ver/lib/linux/libclang_rt.asan-i386.a
	fi

	if use static-analyzer ; then
	dobin tools/scan-build/ccc-analyzer
	dosym ccc-analyzer /usr/bin/c++-analyzer
	dobin tools/scan-build/scan-build

	insinto /usr/share/${PN}
	doins tools/scan-build/scanview.css
	doins tools/scan-build/sorttable.js

	cd tools/scan-view \|\| die "cd scan-view failed"
	dobin scan-view
	install-scan-view() {
	insinto "$(python_get_sitedir)"/clang
	doins Reporter.py Resources ScanView.py startfile.py
	touch "${ED}"/"$(python_get_sitedir)"/clang/__init__.py
	}
	python_execute_function install-scan-view
	fi

	# AddressSanitizer symbolizer (currently separate)
	dobin "${S}"/projects/compiler-rt/lib/asan/scripts/asan_symbolize.py

	# Fix install_names on Darwin. The build system is too complicated
	# to just fix this, so we correct it post-install
	if [[ ${CHOST} == -darwin ]] ; then
	for lib in libclang.dylib ; do
	ebegin "fixing install_name of $lib"
	install_name_tool -id "${EPREFIX}"/usr/lib/llvm/${lib} \
	"${ED}"/usr/lib/llvm/${lib}
	eend $?
	done
	for f in usr/bin/{c-index-test,clang} usr/lib/llvm/libclang.dylib ; do
	ebegin "fixing references in ${f##*/}"
	install_name_tool \
	-change "@rpath/libclang.dylib" \
	"${EPREFIX}"/usr/lib/llvm/libclang.dylib \
	-change "@executable_path/../lib/libLLVM-${PV}.dylib" \
	"${EPREFIX}"/usr/lib/llvm/libLLVM-${PV}.dylib \
	-change "${S}"/Release/lib/libclang.dylib \
	"${EPREFIX}"/usr/lib/llvm/libclang.dylib \
	"${ED}"/$f
	eend $?
	done
	fi
	}

	pkg_postinst() {
	python_mod_optimize clang
	}

	pkg_postrm() {
	python_mod_cleanup clang
	}