sys-libs/libomp: Add 16.0.0_pre20221120 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 f244a0a88f04..2558d68a4a3d 100644
--- a/sys-libs/libomp/Manifest
+++ b/sys-libs/libomp/Manifest
@@ -8,5 +8,6 @@ DIST llvm-project-15.0.4.src.tar.xz 110936424 BLAKE2B a02b76ad161e352b4d3d84baff
 DIST llvm-project-15.0.4.src.tar.xz.sig 566 BLAKE2B f1a7be65fcce932dc125ae2b498f68a14e68dad0d7a1e031343c52c5dafb7b123e346f3efa50a7693584361abf01efe9401b1b5781dee6b92dc1045e538e9b7b SHA512 35899ffbd13fc44cade54246a423450571cb4b62b8d706864daa3eef2377c48e24ef3113218e39e29de995b7f7fa307f9187552766576c9050fd924beb517f6e
 DIST llvm-project-15.0.5.src.tar.xz 110931004 BLAKE2B d751e3627ee26e60a1a037a4a6cc574a31c4abe038331b86206348ac3ce93a243add2be3a0bbfc2ec5ec3f3562a5b5efea745cb1943c9c9153bc7b0fcf4de22e SHA512 cf2a89ebb6bc9d7e3f1fd09531c84ac9927cdbe5ee13a6fcb8ce4d08e5a9d6d480ad982f62126b9c757beafa283b34f2ba1fbc56223c641e70da2be4627f59a6
 DIST llvm-project-15.0.5.src.tar.xz.sig 566 BLAKE2B a6e7204abc912045346a36f2b349e0829a4d5b9efcb230fb0c97caa38d5159ca17ffb47ce0485cbab276a4938ff3a5c05ef9f8b0b75f4c2028d870ee33023431 SHA512 312bc09b54408a9265f8102241089b0f674be0832dd5cb1998ff13dbccbe19324d7060ba2680457118dee96a1ff390b16282677ad825d7230008014ecebe47d5
+DIST llvm-project-7b91798a5d3a8432b296778da4efe169012fb7b4.tar.gz 170989337 BLAKE2B 1ab79554a05f8d7a74c0b4bab319c30375475d3fd089764733744fde55c65eb38967cdb19e5b0211a1543549c2bfc3c0f3d43facb7e041f51988e8a65e4448f3 SHA512 4c4d3a748b967cbc75372d0db87ac48d32271a54047ddeeb028d565fa6b7004b2ab3abd82d8ff4621e50c9410fce28c3044550cc94aaf0f6e4f672498f47aba8
 DIST llvm-project-f6f1fd443f48f417de9dfe23353055f1b20d87ef.tar.gz 170625743 BLAKE2B 3add45d7e2f26659f9602b5ccc034033610921ebeb2d6d69d6f5a3d1e3af224d3f5fd42e411d1fe0d5f8249c2ad995d41a236a87eba5a72ea9b20c112faa4c2f SHA512 2b57132d156f3d6d96802f617fff3eec0df6a3b5077ddcc4f31c87829e617f3065074d80e9d26c8c1c64322e76a09321fdfc8ae1d7a84f5da9f8606125e3b635
 DIST llvmorg-13.0.1.tar.gz 147290251 BLAKE2B 2a44b012a672501761d0c27c6b3a315b69bfef0cd13b078a7e7d2fccc4a9c8c0f2bee0f164c4271c9106b0a99cb06e8b64986f66253b613336719fb86b82541b SHA512 9a8cb5d11964ba88b7624f19ec861fb28701f23956ea3c92f6ac644332d5f41fde97bd8933dd3ee70ed378058c252fa3a3887c8d1af90d219970c2b27691166f
diff --git a/sys-libs/libomp/libomp-16.0.0_pre20221120.ebuild b/sys-libs/libomp/libomp-16.0.0_pre20221120.ebuild
new file mode 100644
index 000000000000..3fd312c5eb2c
--- /dev/null
+++ b/sys-libs/libomp/libomp-16.0.0_pre20221120.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
+}