sys-libs/libomp: Add 19.0.0_pre20240224 snapshot

Signed-off-by: Michał Górny <mgorny@gentoo.org>

2 files changed, 159 insertions, 0 deletions

diff --git a/sys-libs/libomp/Manifest b/sys-libs/libomp/Manifest
index fef7068f690e..50d3769a3052 100644
--- a/sys-libs/libomp/Manifest
+++ b/sys-libs/libomp/Manifest
@@ -10,4 +10,5 @@ DIST llvm-project-18.1.0rc2.src.tar.xz.sig 566 BLAKE2B c765549386a92883bd348d9be
 DIST llvm-project-18.1.0rc3.src.tar.xz 132011280 BLAKE2B 482a0e1b806292598bd646f225705140a463706ec391e4e42f203606b85673601a65fe55f2432d77f4c2f4c6584b35e53eeaded42e0b67aa6538c37d7cceb4ff SHA512 6c0adcf6e4057de8fb1dcd062845d14d725833d23d8e1362cbccab176931f55600a3971f01690179b795ff3feca0af9141b16dee4d4159755596cc9c904bf099
 DIST llvm-project-18.1.0rc3.src.tar.xz.sig 566 BLAKE2B dac9c174e2eeda5e0af0153d78a2e9c8f145efe03250582a27df1bd6a89ba70afdcfa1ed6aa46adb1f7f21077cadb6e43963758358ff17122c36781ee4018c05 SHA512 91a2778f9b66bc80172172f36d6027fb2455f3ffd03b06ad0dd376471c4d4e2e34c8bee69c76cfe95003ae34f0d28c394c7d135fbbb75686ff89aee56b6c45c3
 DIST llvm-project-3496927edcd0685807351ba88a7e2cfb006e1c0d.tar.gz 206227842 BLAKE2B cd27e9e9bca3622c2241bfa91c78eb8443df7465c1efcec57d5e701e2c61d3b2d3619483199e67b56deed9410f5382fc3164cdc7e864dcd77f4d12f3f9d2b159 SHA512 156d441074aff4d85af956b9abf89f9aefccccbe5b39e315c9c7c249ad01f95b42a303c23e9142292e7746f691c2ee704a7cd4a60916594ea1d468240c9b8152
+DIST llvm-project-60a904b2ad9842b93cc5fa0ad5bda5e22c550b7e.tar.gz 206511075 BLAKE2B 501924562c3e49eb921adcf3175d55ce0a47992b3b6b8b512ad8f1cc7b7e5f7bc3e2e278b7817c5924fdf8328f97be2f9c5037b1b6414d49e3b525739ecec6da SHA512 b05fcb4600645befb07f2da1efba463389df3fd1d9a26cb0e6ff9ab51edc2d8c5f51a9d44fe4b7f5f29d67cd4dbd15382fdf97f51ddc2c209196533c40611078
 DIST llvm-project-8884ba43a8485bebef5c4d41e7ed457e3fa84f07.tar.gz 205853916 BLAKE2B 115809efbf062ced32ffe61b25e65e44a0b3c293f68bf40fc4d9e596cd077fc4781a059ad24c4dc7a139c6ec884a6a183ebac06535f2498116266695e19daf00 SHA512 cb496111ec72163a1872fa9a14f8963108d3185f4464a74cc45d26ccc5071bc36895618b81c29063cde0564a50017a0194da4dc559a046a12550d9ab0d9b8347
diff --git a/sys-libs/libomp/libomp-19.0.0_pre20240224.ebuild b/sys-libs/libomp/libomp-19.0.0_pre20240224.ebuild
new file mode 100644
index 000000000000..ce432b31535d
--- /dev/null
+++ b/sys-libs/libomp/libomp-19.0.0_pre20240224.ebuild
@@ -0,0 +1,158 @@
+# 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.org llvm-utils
+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() {
+	if use gdb-plugin || use test; then
+		python-single-r1_pkg_setup
+	fi
+}
+
+multilib_src_configure() {
+	use offload && llvm_prepend_path "${LLVM_MAJOR}"
+
+	# LTO causes issues in other packages building, #870127
+	filter-lto
+
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${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
+}