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# Copyright 1999-2025 Gentoo Authors
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# Copyright 1999-2026 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
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SLOT="${LLVM_MAJOR}"
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KEYWORDS="amd64 arm arm64 ~loong ~mips ppc64 ~riscv x86 ~x64-macos"
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KEYWORDS="~amd64 ~arm ~arm64 ~loong ~mips ~ppc64 ~riscv ~x86 ~x64-macos"
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IUSE="+abi_x86_32 abi_x86_64 +clang debug test"
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# base targets
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IUSE+=" +ctx-profile +libfuzzer +memprof +orc +profile +xray"
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# NB: ubsan, scudo deliberately match two entries
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SANITIZER_FLAGS=(
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asan dfsan lsan msan hwasan tsan ubsan safestack cfi scudo
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shadowcallstack gwp-asan
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shadowcallstack gwp-asan nsan rtsan
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)
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IUSE+=" ${SANITIZER_FLAGS[@]/#/+}"
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REQUIRED_USE="
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BDEPEND="
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clang? (
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llvm-core/clang:${LLVM_MAJOR}
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llvm-core/clang-linker-config:${LLVM_MAJOR}
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llvm-runtimes/clang-rtlib-config:${LLVM_MAJOR}
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llvm-runtimes/clang-stdlib-config:${LLVM_MAJOR}
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llvm-runtimes/compiler-rt:${LLVM_MAJOR}
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)
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elibc_glibc? ( net-libs/libtirpc )
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LLVM_TEST_COMPONENTS=(
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llvm/include/llvm/ProfileData llvm/lib/Testing/Support third-party
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)
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LLVM_PATCHSET=${PV}-r1
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llvm.org_set_globals
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python_check_deps() {
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BUILD_DIR=${WORKDIR}/compiler-rt_build
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if use clang; then
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local -x CC=${CHOST}-clang
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local -x CXX=${CHOST}-clang++
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local -x CC=${CHOST}-clang-${LLVM_MAJOR}
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local -x CXX=${CHOST}-clang++-${LLVM_MAJOR}
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strip-unsupported-flags
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# The full clang configuration might not be ready yet. Use the partial
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# configuration files that are guaranteed to exist even during initial
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# installations and upgrades.
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local flags=(
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--config="${ESYSROOT}"/etc/clang/"${LLVM_MAJOR}"/gentoo-{rtlib,stdlib,linker}.cfg
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)
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local -x CFLAGS="${CFLAGS} ${flags[@]}"
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local -x CXXFLAGS="${CXXFLAGS} ${flags[@]}"
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local -x LDFLAGS="${LDFLAGS} ${flags[@]}"
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fi
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local flag want_sanitizer=OFF
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cmake_src_configure
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if use test; then
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local sys_dir=( "${EPREFIX}"/usr/lib/clang/${LLVM_MAJOR}/lib/* )
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[[ -e ${sys_dir} ]] || die "Unable to find ${sys_dir}"
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[[ ${#sys_dir[@]} -eq 1 ]] || die "Non-deterministic compiler-rt install: ${sys_dir[*]}"
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local sys_dest=( "${BUILD_DIR}"/lib/clang/${LLVM_MAJOR}/lib/* )
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[[ ! -e ${sys_dest} ]] && die "Unable to find ${sys_dest}"
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[[ ${#sys_dest[@]} -ne 1 ]] && die "Non-deterministic compiler-rt install: ${sys_dest[*]}"
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local sys_dir=( "${EPREFIX}/usr/lib/clang/${LLVM_MAJOR}/lib/${sys_dest##*/}" )
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[[ ! -e ${sys_dir} ]] && die "${sys_dir} is missing"
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# copy clang over since resource_dir is located relatively to binary
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# therefore, we can put our new libraries in it
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"${BUILD_DIR}"/lib/llvm/${LLVM_MAJOR}/bin/ || die
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cp "${EPREFIX}"/usr/lib/clang/${LLVM_MAJOR}/include/*.h \
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"${BUILD_DIR}"/lib/clang/${LLVM_MAJOR}/include/ || die
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cp "${sys_dir}"/*builtins*.a \
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"${BUILD_DIR}/lib/clang/${LLVM_MAJOR}/lib/${sys_dir##*/}/" || die
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cp "${sys_dir}"/*builtins*.a "${sys_dest}/" || die
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# we also need LLVMgold.so for gold-based tests
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if [[ -f ${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/$(get_libdir)/LLVMgold.so ]]; then
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ln -s "${EPREFIX}"/usr/lib/llvm/${LLVM_MAJOR}/$(get_libdir)/LLVMgold.so \
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