diff options
Diffstat (limited to 'sys-devel/clang/clang-13.0.0_rc4.ebuild')
| -rw-r--r-- | sys-devel/clang/clang-13.0.0_rc4.ebuild | 426 |
1 files changed, 426 insertions, 0 deletions
diff --git a/sys-devel/clang/clang-13.0.0_rc4.ebuild b/sys-devel/clang/clang-13.0.0_rc4.ebuild new file mode 100644 index 000000000000..6fb09213aaca --- /dev/null +++ b/sys-devel/clang/clang-13.0.0_rc4.ebuild @@ -0,0 +1,426 @@ +# Copyright 1999-2021 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=7 + +PYTHON_COMPAT=( python3_{8..10} ) +inherit cmake llvm llvm.org multilib multilib-minimal \ + prefix python-single-r1 toolchain-funcs + +DESCRIPTION="C language family frontend for LLVM" +HOMEPAGE="https://llvm.org/" + +# MSVCSetupApi.h: MIT +# sorttable.js: MIT + +LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA MIT" +SLOT="$(ver_cut 1)" +KEYWORDS="" +IUSE="debug default-compiler-rt default-libcxx default-lld + doc llvm-libunwind +static-analyzer test xml kernel_FreeBSD" +REQUIRED_USE="${PYTHON_REQUIRED_USE}" +RESTRICT="!test? ( test )" + +RDEPEND=" + ~sys-devel/llvm-${PV}:${SLOT}=[debug=,${MULTILIB_USEDEP}] + static-analyzer? ( dev-lang/perl:* ) + xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] ) + ${PYTHON_DEPS}" + +DEPEND="${RDEPEND}" +BDEPEND=" + >=dev-util/cmake-3.16 + doc? ( dev-python/sphinx ) + xml? ( virtual/pkgconfig ) + ${PYTHON_DEPS}" +PDEPEND=" + sys-devel/clang-common + ~sys-devel/clang-runtime-${PV} + default-compiler-rt? ( + =sys-libs/compiler-rt-${PV%_*}* + llvm-libunwind? ( sys-libs/llvm-libunwind ) + !llvm-libunwind? ( sys-libs/libunwind ) + ) + default-libcxx? ( >=sys-libs/libcxx-${PV} ) + default-lld? ( sys-devel/lld )" + +LLVM_COMPONENTS=( clang clang-tools-extra ) +LLVM_MANPAGES=build +LLVM_TEST_COMPONENTS=( + llvm/lib/Testing/Support + llvm/utils/{lit,llvm-lit,unittest} + llvm/utils/{UpdateTestChecks,update_cc_test_checks.py} +) +LLVM_PATCHSET=${PV/_/-} +LLVM_USE_TARGETS=llvm +llvm.org_set_globals + +# 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=${SLOT} llvm_pkg_setup + python-single-r1_pkg_setup +} + +src_prepare() { + # create extra parent dir for relative CLANG_RESOURCE_DIR access + mkdir -p x/y || die + BUILD_DIR=${WORKDIR}/x/y/clang + + llvm.org_src_prepare + + # add Gentoo Portage Prefix for Darwin (see prefix-dirs.patch) + eprefixify \ + lib/Frontend/InitHeaderSearch.cpp \ + lib/Driver/ToolChains/Darwin.cpp || die +} + +check_distribution_components() { + if [[ ${CMAKE_MAKEFILE_GENERATOR} == ninja ]]; then + local all_targets=() my_targets=() l + cd "${BUILD_DIR}" || die + + while read -r l; do + if [[ ${l} == install-*-stripped:* ]]; then + l=${l#install-} + l=${l%%-stripped*} + + case ${l} in + # meta-targets + clang-libraries|distribution) + continue + ;; + # headers for clang-tidy static library + clang-tidy-headers) + continue + ;; + # tools + clang|clangd|clang-*) + ;; + # static libraries + clang*|findAllSymbols) + continue + ;; + # conditional to USE=doc + docs-clang-html|docs-clang-tools-html) + use doc || continue + ;; + esac + + all_targets+=( "${l}" ) + fi + done < <(ninja -t targets all) + + while read -r l; do + my_targets+=( "${l}" ) + done < <(get_distribution_components $"\n") + + local add=() remove=() + for l in "${all_targets[@]}"; do + if ! has "${l}" "${my_targets[@]}"; then + add+=( "${l}" ) + fi + done + for l in "${my_targets[@]}"; do + if ! has "${l}" "${all_targets[@]}"; then + remove+=( "${l}" ) + fi + done + + if [[ ${#add[@]} -gt 0 || ${#remove[@]} -gt 0 ]]; then + eqawarn "get_distribution_components() is outdated!" + eqawarn " Add: ${add[*]}" + eqawarn "Remove: ${remove[*]}" + fi + cd - >/dev/null || die + fi +} + +get_distribution_components() { + local sep=${1-;} + + local out=( + # common stuff + clang-cmake-exports + clang-headers + clang-resource-headers + libclang-headers + + # libs + clang-cpp + libclang + ) + + if multilib_is_native_abi; then + out+=( + # common stuff + bash-autocomplete + libclang-python-bindings + + # tools + c-index-test + clang + clang-format + clang-offload-bundler + clang-offload-wrapper + clang-refactor + clang-rename + clang-scan-deps + diagtool + hmaptool + + # extra tools + clang-apply-replacements + clang-change-namespace + clang-doc + clang-include-fixer + clang-move + clang-query + clang-reorder-fields + clang-tidy + clangd + find-all-symbols + modularize + pp-trace + ) + + if llvm_are_manpages_built; then + out+=( + # manpages + docs-clang-man + docs-clang-tools-man + ) + fi + + use doc && out+=( + docs-clang-html + docs-clang-tools-html + ) + + use static-analyzer && out+=( + clang-check + clang-extdef-mapping + scan-build + scan-build-py + scan-view + ) + fi + + printf "%s${sep}" "${out[@]}" +} + +multilib_src_configure() { + local llvm_version=$(llvm-config --version) || die + local clang_version=$(ver_cut 1-3 "${llvm_version}") + + local mycmakeargs=( + -DLLVM_CMAKE_PATH="${EPREFIX}/usr/lib/llvm/${SLOT}/$(get_libdir)/cmake/llvm" + -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/${clang_version}" + + -DBUILD_SHARED_LIBS=OFF + -DCLANG_LINK_CLANG_DYLIB=ON + -DLLVM_DISTRIBUTION_COMPONENTS=$(get_distribution_components) + + -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=$(usex !xml) + # libgomp support fails to find headers without explicit -I + # furthermore, it provides only syntax checking + -DCLANG_DEFAULT_OPENMP_RUNTIME=libomp + + # disable using CUDA to autodetect GPU, just build for all + -DCMAKE_DISABLE_FIND_PACKAGE_CUDA=ON + + # override default stdlib and rtlib + -DCLANG_DEFAULT_CXX_STDLIB=$(usex default-libcxx libc++ "") + -DCLANG_DEFAULT_RTLIB=$(usex default-compiler-rt compiler-rt "") + -DCLANG_DEFAULT_LINKER=$(usex default-lld lld "") + -DCLANG_DEFAULT_UNWINDLIB=$(usex default-compiler-rt libunwind "") + + -DCLANG_ENABLE_ARCMT=$(usex static-analyzer) + -DCLANG_ENABLE_STATIC_ANALYZER=$(usex static-analyzer) + + -DPython3_EXECUTABLE="${PYTHON}" + ) + use test && mycmakeargs+=( + -DLLVM_MAIN_SRC_DIR="${WORKDIR}/llvm" + -DLLVM_LIT_ARGS="$(get_lit_flags)" + ) + + if multilib_is_native_abi; then + local build_docs=OFF + if llvm_are_manpages_built; then + build_docs=ON + 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 + ) + fi + mycmakeargs+=( + -DLLVM_EXTERNAL_CLANG_TOOLS_EXTRA_SOURCE_DIR="${WORKDIR}"/clang-tools-extra + -DCLANG_INCLUDE_DOCS=${build_docs} + -DCLANG_TOOLS_EXTRA_INCLUDE_DOCS=${build_docs} + ) + 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 can have very high memory consumption while linking, + # exhausting the limit on 32-bit linker executable + use x86 && local -x LDFLAGS="${LDFLAGS} -Wl,--no-keep-memory" + + # LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844 + use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG" + cmake_src_configure + + multilib_is_native_abi && check_distribution_components +} + +multilib_src_compile() { + cmake_build distribution + + # provide a symlink for tests + if [[ ! -L ${WORKDIR}/lib/clang ]]; then + mkdir -p "${WORKDIR}"/lib || die + ln -s "${BUILD_DIR}/$(get_libdir)/clang" "${WORKDIR}"/lib/clang || die + fi +} + +multilib_src_test() { + # respect TMPDIR! + local -x LIT_PRESERVES_TMP=1 + cmake_build check-clang + multilib_is_native_abi && + cmake_build check-clang-tools check-clangd +} + +src_install() { + MULTILIB_WRAPPED_HEADERS=( + /usr/include/clang/Config/config.h + ) + + multilib-minimal_src_install + + # Move runtime headers to /usr/lib/clang, where they belong + mv "${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 "${llvm_version}") + local clang_full_version=$(ver_cut 1-3 "${llvm_version}") + local clang_tools=( clang clang++ clang-cl clang-cpp ) + local abi i + + # cmake gives us: + # - clang-X + # - clang -> clang-X + # - clang++, clang-cl, clang-cpp -> clang + # we want to have: + # - clang-X + # - clang++-X, clang-cl-X, clang-cpp-X -> clang-X + # - clang, clang++, clang-cl, clang-cpp -> clang*-X + # also in CHOST variant + for i in "${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() { + DESTDIR=${D} cmake_build install-distribution + + # move headers to /usr/include for wrapping & ABI mismatch checks + # (also drop the version suffix from runtime headers) + rm -rf "${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 + + docompress "/usr/lib/llvm/${SLOT}/share/man" + llvm_install_manpages + # match 'html' non-compression + use doc && docompress -x "/usr/share/doc/${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 [[ -z ${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 "Some of them are vim integration scripts (with instructions inside)." + elog "The run-clang-tidy.py script requires the following additional package:" + elog " dev-python/pyyaml" +} + +pkg_postrm() { + if [[ -z ${ROOT} && -f ${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]] ; then + eselect compiler-shadow clean all + fi +} |