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171 lines
4.8 KiB
171 lines
4.8 KiB
# Copyright 1999-2018 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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EAPI=6
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: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
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# (needed due to CMAKE_BUILD_TYPE != Gentoo)
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CMAKE_MIN_VERSION=3.7.0-r1
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PYTHON_COMPAT=( python2_7 )
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inherit check-reqs cmake-utils flag-o-matic git-r3 llvm \
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multiprocessing python-any-r1
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DESCRIPTION="Compiler runtime libraries for clang (sanitizers & xray)"
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HOMEPAGE="https://llvm.org/"
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SRC_URI=""
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EGIT_REPO_URI="https://git.llvm.org/git/compiler-rt.git
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https://github.com/llvm-mirror/compiler-rt.git"
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LICENSE="|| ( UoI-NCSA MIT )"
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# Note: this needs to be updated to match version of clang-9999
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SLOT="7.0.0"
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KEYWORDS=""
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IUSE="+clang test elibc_glibc"
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RESTRICT="!test? ( test ) !clang? ( test )"
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CLANG_SLOT=${SLOT%%.*}
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# llvm-6 for new lit options
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DEPEND="
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>=sys-devel/llvm-6
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clang? ( sys-devel/clang )
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test? (
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!<sys-apps/sandbox-2.13
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$(python_gen_any_dep ">=dev-python/lit-5[\${PYTHON_USEDEP}]")
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=sys-devel/clang-${PV%_*}*:${CLANG_SLOT}
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sys-libs/compiler-rt:${SLOT} )
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${PYTHON_DEPS}"
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# least intrusive of all
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CMAKE_BUILD_TYPE=RelWithDebInfo
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check_space() {
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if use test; then
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local CHECKREQS_DISK_BUILD=11G
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check-reqs_pkg_pretend
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fi
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}
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pkg_pretend() {
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check_space
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}
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pkg_setup() {
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check_space
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llvm_pkg_setup
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python-any-r1_pkg_setup
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}
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src_unpack() {
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if use test; then
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# needed for patched gtest
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git-r3_fetch "https://git.llvm.org/git/llvm.git
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https://github.com/llvm-mirror/llvm.git"
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fi
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git-r3_fetch
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if use test; then
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git-r3_checkout https://llvm.org/git/llvm.git \
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"${WORKDIR}"/llvm '' utils/unittest
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fi
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git-r3_checkout
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}
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src_prepare() {
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cmake-utils_src_prepare
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if use test; then
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# remove tests that are broken by new glibc
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# https://bugs.llvm.org/show_bug.cgi?id=36065
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if use elibc_glibc && has_version '>=sys-libs/glibc-2.25'; then
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rm test/lsan/TestCases/Linux/use_tls_dynamic.cc || die
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rm test/msan/dtls_test.c || die
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rm test/sanitizer_common/TestCases/Posix/sanitizer_set_death_callback_test.cc || die
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fi
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fi
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}
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src_configure() {
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# pre-set since we need to pass it to cmake
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BUILD_DIR=${WORKDIR}/${P}_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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strip-unsupported-flags
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fi
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local mycmakeargs=(
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-DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${SLOT}"
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# use a build dir structure consistent with install
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# this makes it possible to easily deploy test-friendly clang
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-DCOMPILER_RT_OUTPUT_DIR="${BUILD_DIR}/lib/clang/${SLOT}"
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-DCOMPILER_RT_INCLUDE_TESTS=$(usex test)
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# built-ins installed by sys-libs/compiler-rt
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-DCOMPILER_RT_BUILD_BUILTINS=OFF
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-DCOMPILER_RT_BUILD_LIBFUZZER=ON
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-DCOMPILER_RT_BUILD_PROFILE=ON
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-DCOMPILER_RT_BUILD_SANITIZERS=ON
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-DCOMPILER_RT_BUILD_XRAY=ON
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)
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if use test; then
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mycmakeargs+=(
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-DLLVM_MAIN_SRC_DIR="${WORKDIR}/llvm"
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-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
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-DLLVM_LIT_ARGS="-vv;-j;${LIT_JOBS:-$(makeopts_jobs "${MAKEOPTS}" "$(get_nproc)")}"
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# they are created during src_test()
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-DCOMPILER_RT_TEST_COMPILER="${BUILD_DIR}/lib/llvm/${CLANG_SLOT}/bin/clang"
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-DCOMPILER_RT_TEST_CXX_COMPILER="${BUILD_DIR}/lib/llvm/${CLANG_SLOT}/bin/clang++"
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)
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# same flags are passed for build & tests, so we need to strip
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# them down to a subset supported by clang
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CC=${EPREFIX}/usr/lib/llvm/${CLANG_SLOT}/bin/clang \
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CXX=${EPREFIX}/usr/lib/llvm/${CLANG_SLOT}/bin/clang++ \
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strip-unsupported-flags
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fi
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if use prefix && [[ "${CHOST}" == *-darwin* ]] ; then
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mycmakeargs+=(
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# disable use of SDK for the system itself
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-DDARWIN_macosx_CACHED_SYSROOT=/
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)
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fi
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cmake-utils_src_configure
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if use test; then
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local sys_dir=( "${EPREFIX}"/usr/lib/clang/${SLOT}/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: ${sys_dir[*]}"
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# copy clang over since resource_dir is located relatively to binary
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# therefore, we can put our new libraries in it
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mkdir -p "${BUILD_DIR}"/lib/{llvm/${CLANG_SLOT}/{bin,$(get_libdir)},clang/${SLOT}/include} || die
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cp "${EPREFIX}"/usr/lib/llvm/${CLANG_SLOT}/bin/clang{,++} \
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"${BUILD_DIR}"/lib/llvm/${CLANG_SLOT}/bin/ || die
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cp "${EPREFIX}"/usr/lib/clang/${SLOT}/include/*.h \
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"${BUILD_DIR}"/lib/clang/${SLOT}/include/ || die
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cp "${sys_dir}"/*builtins*.a \
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"${BUILD_DIR}/lib/clang/${SLOT}/lib/${sys_dir##*/}/" || die
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# we also need LLVMgold.so for gold-based tests
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if [[ -f ${EPREFIX}/usr/lib/llvm/${CLANG_SLOT}/$(get_libdir)/LLVMgold.so ]]; then
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ln -s "${EPREFIX}"/usr/lib/llvm/${CLANG_SLOT}/$(get_libdir)/LLVMgold.so \
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"${BUILD_DIR}"/lib/llvm/${CLANG_SLOT}/$(get_libdir)/ || die
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fi
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fi
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}
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src_test() {
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# respect TMPDIR!
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local -x LIT_PRESERVES_TMP=1
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# disable sandbox to have it stop clobbering LD_PRELOAD
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local -x SANDBOX_ON=0
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# wipe LD_PRELOAD to make ASAN happy
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local -x LD_PRELOAD=
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cmake-utils_src_make check-all
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}
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