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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
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/releases/${PV}/llvm-${PV}.tgz
http://llvm.org/releases/${PV}/${P}.tgz"
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-${PV}[debug=,multitarget=]"
S="${WORKDIR}/llvm-${PV}"
src_prepare() {
mv "${WORKDIR}"/clang-${PV} "${S}"/tools/clang || die "clang source directory not found"
# Workaround GCC versions' list (bug #377949)
epatch "${FILESDIR}"/${P}-gccversions.patch
# Same as llvm doc patches
epatch "${FILESDIR}"/${PN}-2.7-fixdoc.patch
# Fix toolchain lookup for Darwin/Prefix.
epatch "${FILESDIR}"/${PN}-2.9-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#${EPREFIX}/usr/share/${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
# 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 -L| cut -d: -f1)
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 "$(python_get_sitedir)"/clang
doins Reporter.py Resources ScanView.py startfile.py
touch "${D}"/"$(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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