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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
EAPI=5
PYTHON_COMPAT=( python2_7 pypy )
inherit subversion eutils multilib python-r1
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/${PV}"
KEYWORDS=""
IUSE="debug multitarget python +static-analyzer test"
DEPEND="static-analyzer? ( dev-lang/perl )
${PYTHON_DEPS}"
RDEPEND="~sys-devel/llvm-${PV}[debug=,multitarget=]
${PYTHON_DEPS}"
S="${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() {
# Same as llvm doc patches
epatch "${FILESDIR}"/${PN}-2.7-fixdoc.patch
# multilib-strict
sed -e "/PROJ_headers\|HeaderDir/s#lib/clang#$(get_libdir)/clang#" \
-i tools/clang/lib/Headers/Makefile \
|| die "clang Makefile sed failed"
sed -e "/PROJ_resources\|ResourceDir/s#lib/clang#$(get_libdir)/clang#" \
-i tools/clang/runtime/compiler-rt/Makefile \
|| die "compiler-rt Makefile sed failed"
sed -e "s#/lib/#/lib{{(32|64)?}}/#" \
-i tools/clang/test/Preprocessor/iwithprefix.c \
|| die "clang test sed 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 and coverage lib
sed -e "/LLVMgold.so/s#lib/#$(get_libdir)/llvm/#" \
-e "s#lib\(/libprofile_rt.a\)#$(get_libdir)/llvm\1#" \
-i tools/clang/lib/Driver/Tools.cpp \
|| die "driver tools paths sed failed"
# 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() {
# Update resource dir version after first RC
local CONF_FLAGS="--enable-shared
--with-optimize-option=
$(use_enable !debug optimized)
$(use_enable debug assertions)
$(use_enable debug expensive-checks)
--with-clang-resource-dir=../$(get_libdir)/clang/3.4"
# 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,cpp"
fi
if use amd64; then
CONF_FLAGS="${CONF_FLAGS} --enable-pic"
fi
# build with a suitable Python version
python_export_best
# clang prefers clang over gcc, so we may need to force that
tc-export CC CXX
econf ${CONF_FLAGS}
}
src_compile() {
emake VERBOSE=1 KEEP_SYMBOLS=1 REQUIRES_RTTI=1 clang-only
}
src_test() {
cd "${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="${D}" install
if use static-analyzer ; then
dobin tools/scan-build/ccc-analyzer
dosym ccc-analyzer /usr/bin/c++-analyzer
dobin tools/scan-build/scan-build
insinto /usr/share/${PN}
doins tools/scan-build/scanview.css
doins tools/scan-build/sorttable.js
fi
python_inst() {
if use static-analyzer ; then
pushd tools/scan-view >/dev/null || die
python_doscript scan-view
touch __init__.py || die
python_moduleinto clang
python_domodule __init__.py Reporter.py Resources ScanView.py startfile.py
popd >/dev/null || die
fi
if use python ; then
pushd bindings/python/clang >/dev/null || die
python_moduleinto clang
python_domodule __init__.py cindex.py enumerations.py
popd >/dev/null || die
fi
# AddressSanitizer symbolizer (currently separate)
python_doscript "${S}"/projects/compiler-rt/lib/asan/scripts/asan_symbolize.py
}
python_foreach_impl python_inst
# 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
}
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