diff options
Diffstat (limited to 'llvm-runtimes/offload/offload-20.0.0_pre20241221.ebuild')
| -rw-r--r-- | llvm-runtimes/offload/offload-20.0.0_pre20241221.ebuild | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/llvm-runtimes/offload/offload-20.0.0_pre20241221.ebuild b/llvm-runtimes/offload/offload-20.0.0_pre20241221.ebuild new file mode 100644 index 000000000000..a10cab67956c --- /dev/null +++ b/llvm-runtimes/offload/offload-20.0.0_pre20241221.ebuild @@ -0,0 +1,153 @@ +# Copyright 1999-2024 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI=8 + +PYTHON_COMPAT=( python3_{10..13} ) +inherit cmake flag-o-matic llvm.org python-any-r1 toolchain-funcs + +DESCRIPTION="OpenMP offloading support" +HOMEPAGE="https://openmp.llvm.org" + +LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )" +SLOT="0/${LLVM_SOABI}" +IUSE="+debug ompt test llvm_targets_AMDGPU llvm_targets_NVPTX" +RESTRICT="!test? ( test )" + +RDEPEND=" + dev-libs/libffi:= + ~llvm-core/llvm-${PV} + ~llvm-runtimes/openmp-${PV}[ompt?] + llvm_targets_AMDGPU? ( dev-libs/rocr-runtime:= ) +" +DEPEND=" + ${RDEPEND} +" +# tests: +# - dev-python/lit provides the test runner +# - llvm-core/llvm provide test utils (e.g. FileCheck) +# - llvm-core/clang provides the compiler to run tests +BDEPEND=" + dev-lang/perl + virtual/pkgconfig + llvm_targets_AMDGPU? ( llvm-core/clang ) + llvm_targets_NVPTX? ( llvm-core/clang ) + test? ( + $(python_gen_any_dep ' + dev-python/lit[${PYTHON_USEDEP}] + ') + llvm-core/clang + ) +" +# TODO: can it be fixed to compile with gcc? +BDEPEND+=" + llvm-core/clang +" + +LLVM_COMPONENTS=( offload cmake runtimes/cmake libc/shared ) +LLVM_TEST_COMPONENTS=( openmp/cmake ) +llvm.org_set_globals + +pkg_pretend() { + if [[ ${LLVM_ALLOW_GPU_TESTING} ]]; then + ewarn "LLVM_ALLOW_GPU_TESTING set. This package will run tests against your" + ewarn "GPU if it is supported. Note that these tests may be flaky, fail or" + ewarn "hang, or even cause your GPU to crash (requiring a reboot)." + fi +} + +python_check_deps() { + python_has_version "dev-python/lit[${PYTHON_USEDEP}]" +} + +pkg_setup() { + if use test; then + python-any-r1_pkg_setup + fi +} + +src_configure() { + # TODO + local -x CC=${CHOST}-clang + local -x CXX=${CHOST}-clang++ + strip-unsupported-flags + + # LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844 + use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG" + + local libdir="$(get_libdir)" + local ffi_cflags=$($(tc-getPKG_CONFIG) --cflags-only-I libffi) + local ffi_ldflags=$($(tc-getPKG_CONFIG) --libs-only-L libffi) + local plugins="host" + local gpus= + local build_devicertl=FALSE + + if has "${CHOST%%-*}" aarch64 powerpc64le x86_64; then + if use llvm_targets_AMDGPU; then + plugins+=";amdgpu" + build_devicertl=TRUE + gpus+="amdgpu" + fi + if use llvm_targets_NVPTX; then + plugins+=";cuda" + build_devicertl=TRUE + gpus+="nvptx" + fi + [[ ${gpus} == amdgpunvptx ]] && gpus=all + fi + + local mycmakeargs=( + -DLLVM_ROOT="${ESYSROOT}/usr/lib/llvm/${LLVM_MAJOR}" + + -DOFFLOAD_LIBDIR_SUFFIX="${libdir#lib}" + -DLIBOMPTARGET_PLUGINS_TO_BUILD="${plugins}" + -DLIBOMPTARGET_OMPT_SUPPORT="$(usex ompt)" + -DLIBOMPTARGET_BUILD_DEVICERTL_BCLIB="${build_devicertl}" + + # this breaks building static target libs + -DBUILD_SHARED_LIBS=OFF + + -DFFI_INCLUDE_DIR="${ffi_cflags#-I}" + -DFFI_LIBRARY_DIR="${ffi_ldflags#-L}" + ) + + [[ ! ${LLVM_ALLOW_GPU_TESTING} ]] && mycmakeargs+=( + # prevent trying to access the GPU + -DLIBOMPTARGET_AMDGPU_ARCH=LIBOMPTARGET_AMDGPU_ARCH-NOTFOUND + -DLIBOMPTARGET_NVPTX_ARCH=LIBOMPTARGET_NVPTX_ARCH-NOTFOUND + ) + [[ -n ${gpus} ]] && mycmakeargs+=( + -DLIBOMPTARGET_DEVICE_ARCHITECTURES="${gpus}" + ) + 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++")" + ) + + cmake_src_configure + + if [[ -z ${gpus} ]]; then + # clang requires libomptarget.devicertl.a, but it can be empty + > "${BUILD_DIR}"/libomptarget.devicertl.a || die + fi +} + +src_test() { + # respect TMPDIR! + local -x LIT_PRESERVES_TMP=1 + + cmake_build check-offload +} + +src_install() { + cmake_src_install + + if [[ ! -f ${ED}/usr/$(get_libdir)/libomptarget.devicertl.a ]] + then + dolib.a "${BUILD_DIR}"/libomptarget.devicertl.a + fi +} |