libomp-18.0.0_pre20230925.ebuild
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# Copyright 1999-2023 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 EAPI=8 PYTHON_COMPAT=( python3_{10..12} ) inherit flag-o-matic cmake-multilib linux-info llvm llvm.org inherit python-single-r1 toolchain-funcs DESCRIPTION="OpenMP runtime library for LLVM/clang compiler" HOMEPAGE="https://openmp.llvm.org" LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )" SLOT="0/${LLVM_SOABI}" KEYWORDS="" IUSE=" +debug gdb-plugin hwloc offload ompt test llvm_targets_AMDGPU llvm_targets_NVPTX " REQUIRED_USE=" gdb-plugin? ( ${PYTHON_REQUIRED_USE} ) " RESTRICT="!test? ( test )" RDEPEND=" gdb-plugin? ( ${PYTHON_DEPS} ) hwloc? ( >=sys-apps/hwloc-2.5:0=[${MULTILIB_USEDEP}] ) offload? ( dev-libs/libffi:=[${MULTILIB_USEDEP}] ~sys-devel/llvm-${PV}[${MULTILIB_USEDEP}] llvm_targets_AMDGPU? ( dev-libs/rocr-runtime:= ) ) " # tests: # - dev-python/lit provides the test runner # - sys-devel/llvm provide test utils (e.g. FileCheck) # - sys-devel/clang provides the compiler to run tests DEPEND=" ${RDEPEND} " BDEPEND=" dev-lang/perl offload? ( llvm_targets_AMDGPU? ( sys-devel/clang ) llvm_targets_NVPTX? ( sys-devel/clang ) virtual/pkgconfig ) test? ( ${PYTHON_DEPS} $(python_gen_cond_dep ' dev-python/lit[${PYTHON_USEDEP}] ') sys-devel/clang ) " LLVM_COMPONENTS=( openmp cmake llvm/include ) llvm.org_set_globals kernel_pds_check() { if use kernel_linux && kernel_is -lt 4 15 && kernel_is -ge 4 13; then local CONFIG_CHECK="~!SCHED_PDS" local ERROR_SCHED_PDS="\ PDS scheduler versions >= 0.98c < 0.98i (e.g. used in kernels >= 4.13-pf11 < 4.14-pf9) do not implement sched_yield() call which may result in horrible performance problems with libomp. If you are using one of the specified kernel versions, you may want to disable the PDS scheduler." check_extra_config fi } pkg_pretend() { kernel_pds_check } pkg_setup() { use offload && LLVM_MAX_SLOT=${LLVM_MAJOR} llvm_pkg_setup if use gdb-plugin || use test; then python-single-r1_pkg_setup fi } multilib_src_configure() { # LTO causes issues in other packages building, #870127 filter-lto # LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844 use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG" local build_omptarget=OFF # upstream disallows building libomptarget when sizeof(void*) != 8 if use offload && "$(tc-getCC)" ${CFLAGS} ${CPPFLAGS} -c -x c - -o /dev/null \ <<-EOF &>/dev/null int test[sizeof(void *) == 8 ? 1 : -1]; EOF then build_omptarget=ON fi local libdir="$(get_libdir)" local mycmakeargs=( -DOPENMP_LIBDIR_SUFFIX="${libdir#lib}" -DLIBOMP_USE_HWLOC=$(usex hwloc) -DLIBOMP_OMPD_GDB_SUPPORT=$(multilib_native_usex gdb-plugin) -DLIBOMP_OMPT_SUPPORT=$(usex ompt) -DOPENMP_ENABLE_LIBOMPTARGET=${build_omptarget} # do not install libgomp.so & libiomp5.so aliases -DLIBOMP_INSTALL_ALIASES=OFF # disable unnecessary hack copying stuff back to srcdir -DLIBOMP_COPY_EXPORTS=OFF # prevent trying to access the GPU -DLIBOMPTARGET_AMDGPU_ARCH=LIBOMPTARGET_AMDGPU_ARCH-NOTFOUND ) if [[ ${build_omptarget} == ON ]]; then if has "${CHOST%%-*}" aarch64 powerpc64le x86_64; then mycmakeargs+=( -DLIBOMPTARGET_BUILD_AMDGPU_PLUGIN=$(usex llvm_targets_AMDGPU) -DLIBOMPTARGET_BUILD_CUDA_PLUGIN=$(usex llvm_targets_NVPTX) ) else mycmakeargs+=( -DLIBOMPTARGET_BUILD_AMDGPU_PLUGIN=OFF -DLIBOMPTARGET_BUILD_CUDA_PLUGIN=OFF ) fi fi use test && mycmakeargs+=( # this project does not use standard LLVM cmake macros -DOPENMP_LLVM_LIT_EXECUTABLE="${EPREFIX}/usr/bin/lit" -DOPENMP_LIT_ARGS="$(get_lit_flags)" -DOPENMP_TEST_C_COMPILER="$(type -P "${CHOST}-clang")" -DOPENMP_TEST_CXX_COMPILER="$(type -P "${CHOST}-clang++")" ) addpredict /dev/nvidiactl cmake_src_configure } multilib_src_test() { # respect TMPDIR! local -x LIT_PRESERVES_TMP=1 cmake_build check-libomp } | ||