Backport to rename alignof, fixes C++'0x compilers support. Also adds gcc 4.4.4 headers support by default, thanks to Bertjan Broeksema <broeksema@kde.org> in bug #345683

Package-Manager: portage-2.2.0_alpha9/cvs/Linux x86_64

1 files changed, 201 insertions, 0 deletions

diff --git a/sys-devel/clang/clang-2.8-r3.ebuild b/sys-devel/clang/clang-2.8-r3.ebuild
new file mode 100644
index 000000000000..078e64b38fdf
--- /dev/null
+++ b/sys-devel/clang/clang-2.8-r3.ebuild
@@ -0,0 +1,201 @@
+# Copyright 1999-2010 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-devel/clang/clang-2.8-r3.ebuild,v 1.1 2010/12/19 22:45:55 voyageur Exp $
+
+EAPI=3
+
+RESTRICT_PYTHON_ABIS="3.*"
+SUPPORT_PYTHON_ABIS="1"
+
+inherit eutils multilib python
+
+DESCRIPTION="C language family frontend for LLVM"
+HOMEPAGE="http://clang.llvm.org/"
+# Fetching LLVM as well: see http://llvm.org/bugs/show_bug.cgi?id=4840
+# Drop the -> on 2.9
+SRC_URI="http://llvm.org/releases/${PV}/llvm-${PV}.tgz -> llvm-${PV}-r1.tgz
+	http://llvm.org/releases/${PV}/${P}.tgz"
+
+LICENSE="UoI-NCSA"
+SLOT="0"
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~ppc-macos"
+IUSE="alltargets debug +static-analyzer system-cxx-headers test"
+
+# Note: for LTO support, clang will depend on binutils with gold plugins, and LLVM built after that - http://llvm.org/docs/GoldPlugin.html
+DEPEND="static-analyzer? ( dev-lang/perl )"
+RDEPEND="~sys-devel/llvm-${PV}[alltargets=]"
+
+S="${WORKDIR}/llvm-${PV}"
+
+src_prepare() {
+	mv "${WORKDIR}"/clang-${PV} "${S}"/tools/clang || die "clang source directory not found"
+
+	# Same as llvm doc patches
+	epatch "${FILESDIR}"/${PN}-2.7-fixdoc.patch
+
+	# Upstream backport, r117774 and r117775
+	epatch "${FILESDIR}"/${P}-alignof.patch
+	# Upstream backport, r119348
+	epatch "${FILESDIR}"/${P}-gcc-4.4.4.patch
+
+	# Fix toolchain lookup for Darwin/Prefix.
+	epatch "${FILESDIR}"/${PN}-2.8-darwin-prefix.patch
+	sed -e "s|@GENTOO_PORTAGE_CHOST_ARCH@|${CHOST%%-darwin*}-darwin|g" \
+		-e "s|@GENTOO_PORTAGE_CHOST@|${CHOST}|g" \
+		-e "s|@GENTOO_PORTAGE_EPREFIX@|${EPREFIX}|g" \
+		-i tools/clang/lib/Driver/ToolChains.cpp \
+		|| die "fixing toolchain lookup"
+
+	# multilib-strict
+	sed -e "/PROJ_headers/s#lib/clang#$(get_libdir)/clang#" \
+		-i tools/clang/lib/Headers/Makefile \
+		|| die "clang Makefile failed"
+	# fix the static analyzer for in-tree install
+	sed -e 's/import ScanView/from clang \0/'  \
+		-i tools/clang/tools/scan-view/scan-view \
+		|| die "scan-view sed failed"
+	sed -e "/scanview.css\|sorttable.js/s#\$RealBin#/usr/share/${PN}#" \
+		-i tools/clang/tools/scan-build/scan-build \
+		|| die "scan-build sed failed"
+	# Specify python version
+	python_convert_shebangs 2 tools/clang/tools/scan-view/scan-view
+
+	# 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"
+	sed -e 's,\$(RPATH) -Wl\,\$(\(ToolDir\|LibDir\)),$(RPATH) -Wl\,'"${EPREFIX}"/usr/$(get_libdir)/llvm, \
+		-i Makefile.rules || die "rpath sed failed"
+}
+
+src_configure() {
+	local CONF_FLAGS="--enable-shared"
+
+	if use debug; then
+		CONF_FLAGS="${CONF_FLAGS} --disable-optimized"
+		einfo "Note: Compiling LLVM in debug mode will create huge and slow binaries"
+		# ...and you probably shouldn't use tmpfs, unless it can hold 900MB
+	else
+		CONF_FLAGS="${CONF_FLAGS} \
+			--enable-optimized \
+			--disable-assertions \
+			--disable-expensive-checks"
+	fi
+
+	# Setup the search path to include the Prefix includes
+	if use prefix ; then
+		CONF_FLAGS="${CONF_FLAGS} \
+			--with-c-include-dirs=${EPREFIX}/usr/include:/usr/include"
+	fi
+
+	if use alltargets; then
+		CONF_FLAGS="${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
+
+	# Skip llvm-gcc parts even if installed
+	CONF_FLAGS="${CONF_FLAGS} --with-llvmgccdir=/dev/null"
+
+	if use system-cxx-headers; then
+		# Try to get current gcc headers path
+		local CXX_PATH=$(gcc-config -X| cut -d: -f1 | sed 's,/include/g++-v4$,,')
+		CONF_FLAGS="${CONF_FLAGS} --with-c-include-dirs=/usr/include:${CXX_PATH}/include"
+		CONF_FLAGS="${CONF_FLAGS} --with-cxx-include-root=${CXX_PATH}/include/g++-v4"
+		CONF_FLAGS="${CONF_FLAGS} --with-cxx-include-arch=$CHOST"
+		if has_multilib_profile; then
+			CONF_FLAGS="${CONF_FLAGS} --with-cxx-include-32bit-dir=32"
+		fi
+	fi
+
+	econf ${CONF_FLAGS} || die "econf failed"
+}
+
+src_compile() {
+	emake VERBOSE=1 KEEP_SYMBOLS=1 REQUIRES_RTTI=1 clang-only || die "emake failed"
+}
+
+src_test() {
+	cd "${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}"
+	if ! emake -j1 VERBOSE=1 test; then
+		hasq test $FEATURES && die "Make test failed. See above for details."
+		hasq test $FEATURES || eerror "Make test failed. See above for details."
+	fi
+}
+
+src_install() {
+	cd "${S}"/tools/clang || die "cd clang failed"
+	emake KEEP_SYMBOLS=1 DESTDIR="${D}" install || die "install failed"
+
+	if use static-analyzer ; then
+		dobin tools/scan-build/ccc-analyzer
+		dosym ccc-analyzer /usr/bin/c++-analyzer
+		dobin tools/scan-build/scan-build
+
+		insinto /usr/share/${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
+
+	# 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 "${S}"/Release/lib/libLLVM-${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
+	if use system-cxx-headers; then
+		elog "C++ headers search path is hardcoded to the active gcc profile one"
+		elog "If you change the active gcc profile, or update gcc to a new version,"
+		elog "you will have to remerge this package to update the search path"
+	else
+		elog "If clang++ fails to find C++ headers on your system,"
+		elog "you can remerge clang with USE=system-cxx-headers to use C++ headers"
+		elog "from the active gcc profile"
+	fi
+}
+
+pkg_postrm() {
+	python_mod_cleanup clang
+}