sys-libs/libomp: Add 16.0.0_pre20221217 snapshot

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

2 files changed, 137 insertions, 0 deletions

diff --git a/sys-libs/libomp/Manifest b/sys-libs/libomp/Manifest
index 0d002e43dc68..c1c846a573c1 100644
--- a/sys-libs/libomp/Manifest
+++ b/sys-libs/libomp/Manifest
@@ -9,4 +9,5 @@ DIST llvm-project-15.0.6.src.tar.xz.sig 438 BLAKE2B 3c97dbd55667f52dad964ef71257
 DIST llvm-project-959c9cc7acf4d0aa433f2436e2a45b782e18022a.tar.gz 171575300 BLAKE2B 090d41a8913f8e061d297e66ca653d95e18b8da744464d7085d7a199c0a444753a82b6ff6503e142aec81be01b419323cdbe3709497738df74afa886d69fd63d SHA512 fc3b26e148ead7a07b4d1509909a42712a43b179da435b052c26a237b0d2ae88c3c8d76eaa93c415be1ed0f0b5fb55e0ad92f427a18d70bc9634a6e7d1b6a4d9
 DIST llvm-project-d5987fe324fcaedcea12914d6f9644cc5329f364.tar.gz 172157522 BLAKE2B 3c201380e727f7db53d61ff7c411b85aef8b17f086bca0cf3e758284a92a9ced298584e6f92ac6a35f30231d59c916bb98d41a8939f9b1103996c9e09df32ec2 SHA512 dff559b1518bbf9c469a2f4624ba9e83d81df2f08223afc696fa7f3dc9fe1c0d4a17346db8946fb56806e12aa7cbddda8df05b032ffe29dafd8a66c630de0016
 DIST llvm-project-e99edb92356b5ba078b5bc4d5846770414586a1d.tar.gz 171822327 BLAKE2B cdaa704c9f238f34751b92df92f8a767b1204f868dfd8a6f1eb3eeacaaf9c4b63c55a7c0534af124fddb65cf80263f72b79190696c8077e2990984a84a040f2a SHA512 37f45a56d6086df60c9832b75da3b2d78b8ec0fe094f07d41695f0565e4de0c13e460b1fef495864f07300d41f5b32769f0862b0fa5d53c0db9a0ccec1a09072
+DIST llvm-project-fb792ebaf2114ad11d673cf891ae560e2e604711.tar.gz 174312496 BLAKE2B dd7f30b911ef5049e9e2bff7b2768e31b48b1f4c7acaf159f535fe3deb5aa6630fdf7857c83fffcda1119a38a52101490d2b6cb41cb295bb7dd85cde0445b7ee SHA512 bef15e7d82a2faf8be24f784d3d34ff9b21c8f17256879587ea5471011a32a1eb885e1b020da55aa096f2e0b5fe4bcf9fe8f0f5b5d34f5f386c48899c68fb7d1
 DIST llvmorg-13.0.1.tar.gz 147290251 BLAKE2B 2a44b012a672501761d0c27c6b3a315b69bfef0cd13b078a7e7d2fccc4a9c8c0f2bee0f164c4271c9106b0a99cb06e8b64986f66253b613336719fb86b82541b SHA512 9a8cb5d11964ba88b7624f19ec861fb28701f23956ea3c92f6ac644332d5f41fde97bd8933dd3ee70ed378058c252fa3a3887c8d1af90d219970c2b27691166f
diff --git a/sys-libs/libomp/libomp-16.0.0_pre20221217.ebuild b/sys-libs/libomp/libomp-16.0.0_pre20221217.ebuild
new file mode 100644
index 000000000000..3fd312c5eb2c
--- /dev/null
+++ b/sys-libs/libomp/libomp-16.0.0_pre20221217.ebuild
@@ -0,0 +1,136 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..11} )
+inherit flag-o-matic cmake-multilib linux-info llvm llvm.org python-single-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/${LLVM_SOABI}"
+KEYWORDS=""
+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}]
+	)
+"
+# 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 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=$(usex ompt)
+
+		-DOPENMP_ENABLE_LIBOMPTARGET=$(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 "${CHOST%%-*}" aarch64 powerpc64le x86_64; then
+			mycmakeargs+=(
+				-DLIBOMPTARGET_BUILD_AMDGPU_PLUGIN=$(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
+}