# Copyright 1999-2018 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 EAPI=6 : ${CMAKE_MAKEFILE_GENERATOR:=ninja} # (needed due to CMAKE_BUILD_TYPE != Gentoo) CMAKE_MIN_VERSION=3.7.0-r1 PYTHON_COMPAT=( python2_7 ) inherit cmake-utils eapi7-ver flag-o-matic llvm \ multilib-minimal multiprocessing pax-utils prefix python-single-r1 \ toolchain-funcs MY_P=cfe-${PV/_/}.src EXTRA_P=clang-tools-extra-${PV/_/}.src LLVM_P=llvm-${PV/_/}.src DESCRIPTION="C language family frontend for LLVM" HOMEPAGE="https://llvm.org/" SRC_URI="https://releases.llvm.org/${PV/_//}/${MY_P}.tar.xz https://releases.llvm.org/${PV/_//}/${EXTRA_P}.tar.xz test? ( https://releases.llvm.org/${PV/_//}/${LLVM_P}.tar.xz ) !doc? ( https://dev.gentoo.org/~mgorny/dist/llvm/llvm-${PV}-manpages.tar.bz2 )" # Keep in sync with sys-devel/llvm ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM BPF Hexagon Lanai Mips MSP430 NVPTX PowerPC Sparc SystemZ X86 XCore ) ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" ) LLVM_TARGET_USEDEPS=${ALL_LLVM_TARGETS[@]/%/?} LICENSE="UoI-NCSA" SLOT="$(ver_cut 1)" KEYWORDS="~amd64 ~arm64 ~x86 ~amd64-fbsd ~amd64-linux ~ppc-macos ~x64-macos ~x86-macos" IUSE="debug default-compiler-rt default-libcxx doc +static-analyzer test xml z3 kernel_FreeBSD ${ALL_LLVM_TARGETS[*]}" RESTRICT="!test? ( test )" RDEPEND=" ~sys-devel/llvm-${PV}:${SLOT}=[debug=,${LLVM_TARGET_USEDEPS// /,},${MULTILIB_USEDEP}] static-analyzer? ( dev-lang/perl:* z3? ( sci-mathematics/z3:0= ) ) xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] ) ${PYTHON_DEPS}" # configparser-3.2 breaks the build (3.3 or none at all are fine) DEPEND="${RDEPEND} doc? ( dev-python/sphinx ) xml? ( virtual/pkgconfig ) !!<dev-python/configparser-3.3.0.2 ${PYTHON_DEPS}" RDEPEND="${RDEPEND} !<sys-devel/llvm-4.0.0_rc:0 !sys-devel/clang:0" PDEPEND=" sys-devel/clang-common ~sys-devel/clang-runtime-${PV} default-compiler-rt? ( =sys-libs/compiler-rt-${PV%_*}* ) default-libcxx? ( >=sys-libs/libcxx-${PV} )" REQUIRED_USE="${PYTHON_REQUIRED_USE} || ( ${ALL_LLVM_TARGETS[*]} )" # We need extra level of indirection for CLANG_RESOURCE_DIR S=${WORKDIR}/x/y/${MY_P} # least intrusive of all CMAKE_BUILD_TYPE=RelWithDebInfo PATCHES=( # add Prefix include paths for Darwin "${FILESDIR}"/5.0.1/darwin_prefix-include-paths.patch # fix Driver crash with CHOST prefix and long command-line # https://bugs.gentoo.org/650082 "${FILESDIR}"/6.0.0/0001-Driver-Avoid-invalidated-iterator-in-insertTargetAnd.patch # fix test failure with default-compiler-rt # https://bugs.gentoo.org/650316 "${FILESDIR}"/6.0.0/0002-test-Fix-Cross-DSO-CFI-Android-sanitizer-test-for-rt.patch ) # Multilib notes: # 1. ABI_* flags control ABIs libclang* is built for only. # 2. clang is always capable of compiling code for all ABIs for enabled # target. However, you will need appropriate crt* files (installed # e.g. by sys-devel/gcc and sys-libs/glibc). # 3. ${CHOST}-clang wrappers are always installed for all ABIs included # in the current profile (i.e. alike supported by sys-devel/gcc). # # Therefore: use sys-devel/clang[${MULTILIB_USEDEP}] only if you need # multilib clang* libraries (not runtime, not wrappers). pkg_setup() { LLVM_MAX_SLOT=${SLOT} llvm_pkg_setup python-single-r1_pkg_setup } src_unpack() { # create extra parent dir for CLANG_RESOURCE_DIR mkdir -p x/y || die cd x/y || die einfo "Unpacking ${MY_P}.tar.xz ..." tar -xf "${DISTDIR}/${MY_P}.tar.xz" || die einfo "Unpacking ${EXTRA_P}.tar.xz ..." tar -xf "${DISTDIR}/${EXTRA_P}.tar.xz" || die mv "${EXTRA_P}" "${S}"/tools/extra || die if use test; then einfo "Unpacking parts of ${LLVM_P}.tar.xz ..." tar -xf "${DISTDIR}/${LLVM_P}.tar.xz" \ "${LLVM_P}"/utils/{lit,llvm-lit,unittest} || die mv "${LLVM_P}" "${WORKDIR}"/llvm || die fi if ! use doc; then einfo "Unpacking llvm-${PV}-manpages.tar.bz2 ..." tar -xf "${DISTDIR}/llvm-${PV}-manpages.tar.bz2" || die fi } src_prepare() { cmake-utils_src_prepare eprefixify lib/Frontend/InitHeaderSearch.cpp } multilib_src_configure() { local llvm_version=$(llvm-config --version) || die local clang_version=$(ver_cut 1-3 "${llvm_version}") local mycmakeargs=( # ensure that the correct llvm-config is used -DLLVM_CONFIG="$(type -P "${CHOST}-llvm-config")" -DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${SLOT}" -DCMAKE_INSTALL_MANDIR="${EPREFIX}/usr/lib/llvm/${SLOT}/share/man" # relative to bindir -DCLANG_RESOURCE_DIR="../../../../lib/clang/${clang_version}" -DBUILD_SHARED_LIBS=ON -DLLVM_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}" -DLLVM_BUILD_TESTS=$(usex test) # these are not propagated reliably, so redefine them -DLLVM_ENABLE_EH=ON -DLLVM_ENABLE_RTTI=ON -DCMAKE_DISABLE_FIND_PACKAGE_LibXml2=$(usex !xml) # libgomp support fails to find headers without explicit -I # furthermore, it provides only syntax checking -DCLANG_DEFAULT_OPENMP_RUNTIME=libomp # override default stdlib and rtlib -DCLANG_DEFAULT_CXX_STDLIB=$(usex default-libcxx libc++ "") -DCLANG_DEFAULT_RTLIB=$(usex default-compiler-rt compiler-rt "") -DCLANG_ENABLE_ARCMT=$(usex static-analyzer) -DCLANG_ENABLE_STATIC_ANALYZER=$(usex static-analyzer) # z3 is not multilib-friendly -DCLANG_ANALYZER_BUILD_Z3=$(multilib_native_usex z3) ) use test && mycmakeargs+=( -DLLVM_MAIN_SRC_DIR="${WORKDIR}/llvm" -DLLVM_LIT_ARGS="-vv;-j;${LIT_JOBS:-$(makeopts_jobs "${MAKEOPTS}" "$(get_nproc)")}" ) if multilib_is_native_abi; then mycmakeargs+=( # normally copied from LLVM_INCLUDE_DOCS but the latter # is lacking value in stand-alone builds -DCLANG_INCLUDE_DOCS=$(usex doc) -DCLANG_TOOLS_EXTRA_INCLUDE_DOCS=$(usex doc) ) use doc && mycmakeargs+=( -DLLVM_BUILD_DOCS=ON -DLLVM_ENABLE_SPHINX=ON -DCLANG_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/html" -DCLANG-TOOLS_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/tools-extra" -DSPHINX_WARNINGS_AS_ERRORS=OFF ) use z3 && mycmakeargs+=( -DZ3_INCLUDE_DIR="${EPREFIX}/usr/include/z3" ) else mycmakeargs+=( -DLLVM_TOOL_CLANG_TOOLS_EXTRA_BUILD=OFF ) fi if [[ -n ${EPREFIX} ]]; then mycmakeargs+=( -DGCC_INSTALL_PREFIX="${EPREFIX}/usr" ) fi if tc-is-cross-compiler; then [[ -x "/usr/bin/clang-tblgen" ]] \ || die "/usr/bin/clang-tblgen not found or usable" mycmakeargs+=( -DCMAKE_CROSSCOMPILING=ON -DCLANG_TABLEGEN=/usr/bin/clang-tblgen ) fi # LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844 use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG" cmake-utils_src_configure } multilib_src_compile() { cmake-utils_src_compile # provide a symlink for tests if [[ ! -L ${WORKDIR}/lib/clang ]]; then mkdir -p "${WORKDIR}"/lib || die ln -s "${BUILD_DIR}/$(get_libdir)/clang" "${WORKDIR}"/lib/clang || die fi } multilib_src_test() { # respect TMPDIR! local -x LIT_PRESERVES_TMP=1 cmake-utils_src_make check-clang multilib_is_native_abi && cmake-utils_src_make check-clang-tools } src_install() { MULTILIB_WRAPPED_HEADERS=( /usr/include/clang/Config/config.h ) multilib-minimal_src_install # Move runtime headers to /usr/lib/clang, where they belong mv "${ED%/}"/usr/include/clangrt "${ED%/}"/usr/lib/clang || die # move (remaining) wrapped headers back mv "${ED%/}"/usr/include "${ED%/}"/usr/lib/llvm/${SLOT}/include || die # Apply CHOST and version suffix to clang tools # note: we use two version components here (vs 3 in runtime path) local llvm_version=$(llvm-config --version) || die local clang_version=$(ver_cut 1-2 "${llvm_version}") local clang_full_version=$(ver_cut 1-3 "${llvm_version}") local clang_tools=( clang clang++ clang-cl clang-cpp ) local abi i # cmake gives us: # - clang-X.Y # - clang -> clang-X.Y # - clang++, clang-cl, clang-cpp -> clang # we want to have: # - clang-X.Y # - clang++-X.Y, clang-cl-X.Y, clang-cpp-X.Y -> clang-X.Y # - clang, clang++, clang-cl, clang-cpp -> clang*-X.Y # also in CHOST variant for i in "${clang_tools[@]:1}"; do rm "${ED%/}/usr/lib/llvm/${SLOT}/bin/${i}" || die dosym "clang-${clang_version}" "/usr/lib/llvm/${SLOT}/bin/${i}-${clang_version}" dosym "${i}-${clang_version}" "/usr/lib/llvm/${SLOT}/bin/${i}" done # now create target symlinks for all supported ABIs for abi in $(get_all_abis); do local abi_chost=$(get_abi_CHOST "${abi}") for i in "${clang_tools[@]}"; do dosym "${i}-${clang_version}" \ "/usr/lib/llvm/${SLOT}/bin/${abi_chost}-${i}-${clang_version}" dosym "${abi_chost}-${i}-${clang_version}" \ "/usr/lib/llvm/${SLOT}/bin/${abi_chost}-${i}" done done # Remove unnecessary headers on FreeBSD, bug #417171 if use kernel_FreeBSD; then rm "${ED}"usr/lib/clang/${clang_full_version}/include/{std,float,iso,limits,tgmath,varargs}*.h || die fi } multilib_src_install() { cmake-utils_src_install # move headers to /usr/include for wrapping & ABI mismatch checks # (also drop the version suffix from runtime headers) rm -rf "${ED%/}"/usr/include || die mv "${ED%/}"/usr/lib/llvm/${SLOT}/include "${ED%/}"/usr/include || die mv "${ED%/}"/usr/lib/llvm/${SLOT}/$(get_libdir)/clang "${ED%/}"/usr/include/clangrt || die } multilib_src_install_all() { python_fix_shebang "${ED}" if use static-analyzer; then python_optimize "${ED}"usr/lib/llvm/${SLOT}/share/scan-view fi # install pre-generated manpages if ! use doc; then insinto "/usr/lib/llvm/${SLOT}/share/man/man1" doins "${WORKDIR}/x/y/llvm-${PV}-manpages/clang"/*.1 fi docompress "/usr/lib/llvm/${SLOT}/share/man" # match 'html' non-compression use doc && docompress -x "/usr/share/doc/${PF}/tools-extra" # +x for some reason; TODO: investigate use static-analyzer && fperms a-x "/usr/lib/llvm/${SLOT}/share/man/man1/scan-build.1" } pkg_postinst() { if [[ ${ROOT} == / && -f ${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]] ; then eselect compiler-shadow update all fi elog "You can find additional utility scripts in:" elog " ${EROOT}/usr/lib/llvm/${SLOT}/share/clang" elog "To use these scripts, you will need Python 2.7. Some of them are vim" elog "integration scripts (with instructions inside). The run-clang-tidy.py" elog "scripts requires the following additional package:" elog " dev-python/pyyaml" } pkg_postrm() { if [[ ${ROOT} == / && -f ${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]] ; then eselect compiler-shadow clean all fi }