--- /dev/null
+# Copyright 1999-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-devel/clang/clang-3.0_rc1.ebuild,v 1.1 2011/11/09 15:11:48 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
+SRC_URI="http://llvm.org/pre-releases/${PV/_rc*}/${PV/3.0_}/sources/llvm-${PV/_}.src.tar.gz
+ http://llvm.org/pre-releases/${PV/_rc*}/${PV/3.0_}/sources/${P/_}.src.tar.gz"
+
+LICENSE="UoI-NCSA"
+SLOT="0"
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux ~ppc-macos"
+IUSE="debug multitarget +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-${PV}[multitarget=]"
+
+S="${WORKDIR}/llvm-${PV/_}"
+
+src_prepare() {
+ # Leftover in rc1, remove for real release
+ rm -f "${S}"/tools/clang
+
+ mv "${WORKDIR}"/clang-${PV/_} "${S}"/tools/clang || die "clang source directory not found"
+
+ # Same as llvm doc patches
+ epatch "${FILESDIR}"/${PN}-2.7-fixdoc.patch
+
+ # multilib-strict
+ sed -e "/PROJ_headers/s#lib/clang#$(get_libdir)/clang#" \
+ -i tools/clang/lib/Headers/Makefile \
+ || die "clang Makefile failed"
+ # Fix cxx_include_root path for Gentoo
+ epatch "${FILESDIR}"/${P/_*}-fix_cxx_include_root.patch
+ # 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"
+ # 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 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"
+}
+
+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
+
+ 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
+ has test $FEATURES && die "Make test failed. See above for details."
+ has 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 "@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
+ 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
+}
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