diff options
Diffstat (limited to 'sys-devel/clang/clang-7.0.1_rc2.ebuild')
| -rw-r--r-- | sys-devel/clang/clang-7.0.1_rc2.ebuild | 319 |
1 files changed, 319 insertions, 0 deletions
diff --git a/sys-devel/clang/clang-7.0.1_rc2.ebuild b/sys-devel/clang/clang-7.0.1_rc2.ebuild new file mode 100644 index 000000000000..f746fd88b139 --- /dev/null +++ b/sys-devel/clang/clang-7.0.1_rc2.ebuild @@ -0,0 +1,319 @@ +# 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://prereleases.llvm.org/${PV/_//}/${MY_P}.tar.xz + https://prereleases.llvm.org/${PV/_//}/${EXTRA_P}.tar.xz + test? ( https://prereleases.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 ~ppc64 ~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}"/6.0.1/darwin_prefix-include-paths.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}"/lib/Testing/Support \ + "${LLVM_P}"/utils/{lit,llvm-lit,unittest} || die + mv "${LLVM_P}" "${WORKDIR}"/llvm || die + fi + + if false && ! use doc; then + einfo "Unpacking llvm-${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 "${llvm_version}") + local clang_full_version=$(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() { + 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/${SLOT}/share/scan-view + fi + + # install pre-generated manpages + if false && ! use doc; then + insinto "/usr/lib/llvm/${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 +} |