# Copyright 1999-2022 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 EAPI=8 PYTHON_COMPAT=( python3_{8..10} ) inherit cmake flag-o-matic llvm llvm.org python-any-r1 toolchain-funcs DESCRIPTION="Compiler runtime library for clang (built-in part)" HOMEPAGE="https://llvm.org/" LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )" SLOT="$(ver_cut 1-3)" KEYWORDS="amd64 ~arm arm64 ppc64 ~riscv x86 ~amd64-linux ~ppc-macos ~x64-macos" IUSE="+abi_x86_32 abi_x86_64 +clang debug test" RESTRICT="!test? ( test ) !clang? ( test )" CLANG_SLOT=${SLOT%%.*} # llvm-6 for new lit options DEPEND=" >=sys-devel/llvm-6 " BDEPEND=" >=dev-util/cmake-3.16 clang? ( sys-devel/clang ) test? ( $(python_gen_any_dep ">=dev-python/lit-9.0.1[\${PYTHON_USEDEP}]") =sys-devel/clang-${PV%_*}*:${CLANG_SLOT} ) !test? ( ${PYTHON_DEPS} ) " LLVM_COMPONENTS=( compiler-rt cmake ) LLVM_PATCHSET=${PV} llvm.org_set_globals python_check_deps() { use test || return 0 has_version "dev-python/lit[${PYTHON_USEDEP}]" } pkg_pretend() { if ! use clang && ! tc-is-clang; then ewarn "Building using a compiler other than clang may result in broken atomics" ewarn "library. Enable USE=clang unless you have a very good reason not to." fi } pkg_setup() { # Darwin Prefix builds do not have llvm installed yet, so rely on # bootstrap-prefix to set the appropriate path vars to LLVM instead # of using llvm_pkg_setup. if [[ ${CHOST} != *-darwin* ]] || has_version dev-lang/llvm; then llvm_pkg_setup fi python-any-r1_pkg_setup } test_compiler() { $(tc-getCC) ${CFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c - \ <<<'int main() { return 0; }' &>/dev/null } src_configure() { # LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844 use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG" # pre-set since we need to pass it to cmake BUILD_DIR=${WORKDIR}/${P}_build local nolib_flags=( -nodefaultlibs -lc ) if use clang; then local -x CC=${CHOST}-clang local -x CXX=${CHOST}-clang++ strip-unsupported-flags # ensure we can use clang before installing compiler-rt local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}" elif ! test_compiler; then if test_compiler "${nolib_flags[@]}"; then local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}" ewarn "${CC} seems to lack runtime, trying with ${nolib_flags[*]}" fi fi local mycmakeargs=( -DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${SLOT}" -DCOMPILER_RT_INCLUDE_TESTS=$(usex test) -DCOMPILER_RT_BUILD_LIBFUZZER=OFF -DCOMPILER_RT_BUILD_MEMPROF=OFF -DCOMPILER_RT_BUILD_ORC=OFF -DCOMPILER_RT_BUILD_PROFILE=OFF -DCOMPILER_RT_BUILD_SANITIZERS=OFF -DCOMPILER_RT_BUILD_XRAY=OFF -DPython3_EXECUTABLE="${PYTHON}" ) if use amd64; then mycmakeargs+=( -DCAN_TARGET_i386=$(usex abi_x86_32) -DCAN_TARGET_x86_64=$(usex abi_x86_64) ) fi if use prefix && [[ "${CHOST}" == *-darwin* ]] ; then mycmakeargs+=( # setting -isysroot is disabled with compiler-rt-prefix-paths.patch # this allows adding arm64 support using SDK in EPREFIX -DDARWIN_macosx_CACHED_SYSROOT="${EPREFIX}/MacOSX.sdk" # Set version based on the SDK in EPREFIX. # This disables i386 for SDK >= 10.15 -DDARWIN_macosx_OVERRIDE_SDK_VERSION="$(realpath ${EPREFIX}/MacOSX.sdk | sed -e 's/.*MacOSX\(.*\)\.sdk/\1/')" # Use our libtool instead of looking it up with xcrun -DCMAKE_LIBTOOL="${EPREFIX}/usr/bin/${CHOST}-libtool" ) fi if use test; then mycmakeargs+=( -DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit" -DLLVM_LIT_ARGS="$(get_lit_flags)" -DCOMPILER_RT_TEST_COMPILER="${EPREFIX}/usr/lib/llvm/${CLANG_SLOT}/bin/clang" -DCOMPILER_RT_TEST_CXX_COMPILER="${EPREFIX}/usr/lib/llvm/${CLANG_SLOT}/bin/clang++" ) fi cmake_src_configure } src_test() { # respect TMPDIR! local -x LIT_PRESERVES_TMP=1 cmake_build check-builtins }