commit: 6ba76f88af89734fd6f01149c0363caa6ef9fae7
Author: Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Wed Jan 24 05:44:33 2024 +0000
Commit: Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Wed Jan 24 06:32:55 2024 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=6ba76f88
sys-libs/libomp: Add 19.x live ebuild
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>
sys-libs/libomp/libomp-19.0.0.9999.ebuild | 157 ++++++++++++++++++++++++++++++
1 file changed, 157 insertions(+)
diff --git a/sys-libs/libomp/libomp-19.0.0.9999.ebuild
b/sys-libs/libomp/libomp-19.0.0.9999.ebuild
new file mode 100644
index 000000000000..1d41ecc498a1
--- /dev/null
+++ b/sys-libs/libomp/libomp-19.0.0.9999.ebuild
@@ -0,0 +1,157 @@
+# Copyright 1999-2024 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}"
+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 [[ ${build_omptarget} == ON ]]; then
+ local ffi_cflags=$($(tc-getPKG_CONFIG) --cflags-only-I libffi)
+ local ffi_ldflags=$($(tc-getPKG_CONFIG) --libs-only-L libffi)
+ mycmakeargs+=(
+ -DFFI_INCLUDE_DIR="${ffi_cflags#-I}"
+ -DFFI_LIBRARY_DIR="${ffi_ldflags#-L}"
+ )
+
+ if has "${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
+}
