sys-libs/libomp: Add 18.0.0_pre20231104 snapshot

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

2 files changed, 151 insertions, 0 deletions

diff --git a/sys-libs/libomp/Manifest b/sys-libs/libomp/Manifest
index 8c2933599079..ffcf8eeb283a 100644
--- a/sys-libs/libomp/Manifest
+++ b/sys-libs/libomp/Manifest
@@ -12,5 +12,6 @@ DIST llvm-project-17.0.3.src.tar.xz.sig 438 BLAKE2B 045e7ca82c8d9b3f182e4fa331ec
 DIST llvm-project-17.0.4.src.tar.xz 127828636 BLAKE2B bd91ef7f07e085b935500b056f75ab792d13e7f33825df36e85e7988f313a4f3fbb1b4c854615a5e437a97ad552838eb1be5098194f281ba1279330156dd6a38 SHA512 6703eede8013e7e5733fbd7b527757166d5698f52e239522fb320717430c88696309038501d22fe384b016b330bd92126a2c0ba88b0258c3f092801e3800b7a3
 DIST llvm-project-17.0.4.src.tar.xz.sig 438 BLAKE2B e417c14d0af8c2f13eccec7a42d0e4d5a6a834d7a3d31061b9f56f7e880cd982c2b1e84322bcf8f6a3d3167519c31f16c7acb8fc725ab5b453f467a196ca2688 SHA512 4e79bb1d2b41289c092d4ec2759d7cfd4f12df8d107f9510aa9e2354691e7f878e3929b2b50e29fd6c65bd5a3aa13baf6b791847c1cd99817adbf59700cf2bdd
 DIST llvm-project-5d35273a32d239b7407338e13ed71b59174d6536.tar.gz 198787569 BLAKE2B 7f4f1eb490028e18826a6ebade649a682e433252ceab1f3dcd9e50c34f24e7ef108c3325ec209a4d4fa1ded8e09ebda4980cb9d8ddce8a0d517923d6c38b8f4a SHA512 4d263561fb12cc07a5e8f7ed2f8f22a3645aa959cf963a6a735a9bb93cfc2a51bf7e4d36b54e8425725029cfcfd868dfcc53af95d26d84be72be124d8c564271
+DIST llvm-project-83888a5404d46667647fe36d6fa510d075ed57ea.tar.gz 200867834 BLAKE2B 20f5afa071089852abfdcc316e5db77681afe0fdb189a515d7724a0abaf1c545f37ba4b946414c7b8afca62636107bd4e1c7c99d8ba6a514bb413b13f5f634b0 SHA512 4cd7680a227388382076d5735a97a379546f5bdde33272a5a3d317d98c2847e34917dd38a3cfb3f1f677f6d9a9b2163b29f89dd9c4b92506f5be34a3072e0509
 DIST llvm-project-a7700985577694d6cc2498833f27b4fb5eeaf252.tar.gz 199221825 BLAKE2B 047ab7c0e80e1dbbe61ebd9aaae17166665a33b5cb50beec6da2cc19bec9a16777b82c157e74f88b0678d843b200f292d696a964211a8e532f128491dc39a6e4 SHA512 b747210d53402ae01238fa82195fa5c1c8d1c832d976bcc996ef657ac54dacb2fb19521c6f080151e6b1af8a49ddfe58979afaa00b3f1f72dc664ac79b99a8bb
 DIST llvm-project-e6e90840708099425b7b69dd053634ff25d4907f.tar.gz 199022115 BLAKE2B 442aff8f561f7c5834a36b7eb217fd2b984e58af9cbcf3e6495305f386a7651e73345bbe65133af4bffaf8cb209cfb9a94fb28756ffaaaae8f7d28ec253ccb78 SHA512 fa9c180f36f4c782208ae7baff1683ee466c70f7d021b21b9cb8a8fd0f2005c0b47889d8bb37f5fb984f6b2ec26c74df60490c7b51ac3d080830e6844e33e300
diff --git a/sys-libs/libomp/libomp-18.0.0_pre20231104.ebuild b/sys-libs/libomp/libomp-18.0.0_pre20231104.ebuild
new file mode 100644
index 000000000000..960f9ce8087f
--- /dev/null
+++ b/sys-libs/libomp/libomp-18.0.0_pre20231104.ebuild
@@ -0,0 +1,150 @@
+# 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}"
+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
+}