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authorGerion Entrup <gerion.entrup@flump.de>2024-06-25 10:31:02 +0200
committerGerion Entrup <gerion.entrup@flump.de>2024-06-30 23:07:04 +0200
commit8bf8a5375fd897be32fba581f263f653505b5cf0 (patch)
treefb08994c792490e989d476a752f21d165faa7f42
parentRevert "sys-libs/libcxx: Remove LLVM 14" (diff)
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Revert "sys-libs/libomp: Remove LLVM 14"
This reverts commit 87b2f454cbb8d115d977280753f31a2f04c6c0a9. Signed-off-by: Gerion Entrup <gerion.entrup@flump.de>
-rw-r--r--sys-libs/libomp/libomp-14.0.6-r1.ebuild145
-rw-r--r--sys-libs/libomp/metadata.xml1
2 files changed, 146 insertions, 0 deletions
diff --git a/sys-libs/libomp/libomp-14.0.6-r1.ebuild b/sys-libs/libomp/libomp-14.0.6-r1.ebuild
new file mode 100644
index 0000000..9e03f27
--- /dev/null
+++ b/sys-libs/libomp/libomp-14.0.6-r1.ebuild
@@ -0,0 +1,145 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{9..10} )
+inherit flag-o-matic cmake-multilib linux-info llvm llvm.org python-any-r1
+
+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"
+KEYWORDS="amd64 arm arm64 ~ppc ppc64 ~riscv x86 ~amd64-linux ~x64-macos"
+IUSE="
+ cuda debug hwloc offload ompt test
+ llvm_targets_AMDGPU llvm_targets_NVPTX
+"
+RESTRICT="!test? ( test )"
+# CUDA works only with the x86_64 ABI
+REQUIRED_USE="
+ cuda? ( llvm_targets_NVPTX )
+ offload? ( cuda? ( abi_x86_64 ) )
+"
+
+RDEPEND="
+ hwloc? ( >=sys-apps/hwloc-2.5:0=[${MULTILIB_USEDEP}] )
+ offload? (
+ virtual/libelf:=[${MULTILIB_USEDEP}]
+ dev-libs/libffi:=[${MULTILIB_USEDEP}]
+ ~sys-devel/llvm-${PV}[${MULTILIB_USEDEP}]
+ cuda? ( dev-util/nvidia-cuda-toolkit:= )
+ )
+"
+# 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? (
+ $(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+ sys-devel/clang
+ )
+"
+
+LLVM_COMPONENTS=( openmp llvm/include )
+LLVM_PATCHSET=${PV}-r2
+llvm.org_set_globals
+
+python_check_deps() {
+ python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+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=${PV%%.*} llvm_pkg_setup
+ use test && python-any-r1_pkg_setup
+}
+
+multilib_src_configure() {
+ # LTO causes issues in other packages building, #870127
+ filter-lto
+
+ # LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+ use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+ local libdir="$(get_libdir)"
+ local mycmakeargs=(
+ -DOPENMP_LIBDIR_SUFFIX="${libdir#lib}"
+
+ -DLIBOMP_USE_HWLOC=$(usex hwloc)
+ -DLIBOMP_OMPT_SUPPORT=$(usex ompt)
+
+ -DOPENMP_ENABLE_LIBOMPTARGET=$(usex offload)
+
+ # do not install libgomp.so & libiomp5.so aliases
+ -DLIBOMP_INSTALL_ALIASES=OFF
+ # disable unnecessary hack copying stuff back to srcdir
+ -DLIBOMP_COPY_EXPORTS=OFF
+ )
+
+ if use offload; then
+ if has "${CHOST%%-*}" aarch64 powerpc64le x86_64; then
+ mycmakeargs+=(
+ -DCMAKE_DISABLE_FIND_PACKAGE_CUDA=$(usex !cuda)
+ -DLIBOMPTARGET_BUILD_AMDGCN_BCLIB=$(usex llvm_targets_AMDGPU)
+ -DLIBOMPTARGET_BUILD_NVPTX_BCLIB=$(usex llvm_targets_NVPTX)
+ # a cheap hack to force clang
+ -DLIBOMPTARGET_NVPTX_CUDA_COMPILER="$(type -P "${CHOST}-clang")"
+ # upstream defaults to looking for it in clang dir
+ # this fails when ccache is being used
+ -DLIBOMPTARGET_NVPTX_BC_LINKER="$(type -P llvm-link)"
+ )
+ else
+ mycmakeargs+=(
+ -DCMAKE_DISABLE_FIND_PACKAGE_CUDA=ON
+ -DLIBOMPTARGET_BUILD_AMDGCN_BCLIB=OFF
+ -DLIBOMPTARGET_BUILD_NVPTX_BCLIB=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
+}
diff --git a/sys-libs/libomp/metadata.xml b/sys-libs/libomp/metadata.xml
index ba8a523..ec501a8 100644
--- a/sys-libs/libomp/metadata.xml
+++ b/sys-libs/libomp/metadata.xml
@@ -9,6 +9,7 @@
<email>llvm@gentoo.org</email>
</maintainer>
<use>
+ <flag name="cuda">Build CUDA offloading plugin (only with USE=offload)</flag>
<flag name="gdb-plugin">Build OMPD GDB plugin</flag>
<flag name="hwloc">Enable CPU affinity support via hwloc</flag>
<flag name="offload">Support offloading OpenMP using libomptarget</flag>