sys-libs/libomp: Add 16.0.0_pre20230107 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 54ab857bc21e..6cac0e3ebcac 100644
--- a/sys-libs/libomp/Manifest
+++ b/sys-libs/libomp/Manifest
@@ -4,5 +4,6 @@ DIST llvm-project-14.0.6.src.tar.xz 105618228 BLAKE2B ee67c5407df8cef493b9c0004f
 DIST llvm-project-14.0.6.src.tar.xz.sig 566 BLAKE2B cb658ad43d8ab6c43a5773aedadf0569c97b5ee4b1bd58eceb10e1879a30880c741c3d66bedd462c892309b688fb7b2673115a62d1f74d71ee375a578de9547f SHA512 b4a7b368532a7a4a24376cfa7db8f6d3478f6d4446474342fc00b474ecf466330cd0f16783209263c4c72d5fc7ddedfb11b95578842e700cfb7ee0bb34cc95d6
 DIST llvm-project-15.0.6.src.tar.xz 112074576 BLAKE2B 74b1aa967c95191fa492f06b3a21930842da0ccbd9995dd33b4c2cf07852bbedcae97041fd5966209b16c63b90c87cc02fb2e858eda13dd9cc0641edcede0f75 SHA512 3311d85f4e02610af52f06e83c8c6d2b93950d24324b831b7afc47c39a20a546d39683a14e1a315da87d226379042de900a3f36a0351053547482af9035ab949
 DIST llvm-project-15.0.6.src.tar.xz.sig 438 BLAKE2B 3c97dbd55667f52dad964ef71257c36e3075794f5616cfd46de8bf874867e861bf45c0d56cff2d0ad5d4f1b5a1c9b3a395aedcc40bce545ce7f3c84ac75ae3da SHA512 a184103d84f8197a709c6c067fa83ca9290cd06532c487ad2c1fefa423438a1ac3c7f88835a94e3c9f04876e8d5f09afabef15bd8605df38aec6a4118597090c
+DIST llvm-project-6dc85bd3fde7df2999fda07e9e9f2e83d52c6125.tar.gz 175208511 BLAKE2B cf87cf7e9bf7c74aab8ccda0f153369cb81798047fdd48025c3c7030857b128babbaafb667385a5c8e9916e16038b14fee39f1623d329471e73c39c2f2d7bbfa SHA512 e6dc0cacd6c079be8a00364e4c244782d764d9a8d514d65f9078427cb4a0c1663ff88761bfbc1e955a1a990451439110497c2cb7af7f56b2c91f2e9db4389894
 DIST llvm-project-b20dd2b186fdc76828219b705a2b58f5830f4b9d.tar.gz 175044630 BLAKE2B f9a955e8413b57067fb697792316fb0c1e3eac00b1af208ba5d29db01a9acc96b88c7edca12c43762b1425c71a716a7c74d5d7edad45a442f32ba73f88f548b6 SHA512 5133c32d7856c8280bfeb47c3e5a9c0d8c1c291aad29af93586523110f95b08e582ff416fc6be02241eabfe80c35ad4f0334de5ead2a41bc6504616b1c6fd15a
 DIST llvmorg-13.0.1.tar.gz 147290251 BLAKE2B 2a44b012a672501761d0c27c6b3a315b69bfef0cd13b078a7e7d2fccc4a9c8c0f2bee0f164c4271c9106b0a99cb06e8b64986f66253b613336719fb86b82541b SHA512 9a8cb5d11964ba88b7624f19ec861fb28701f23956ea3c92f6ac644332d5f41fde97bd8933dd3ee70ed378058c252fa3a3887c8d1af90d219970c2b27691166f
diff --git a/sys-libs/libomp/libomp-16.0.0_pre20230107.ebuild b/sys-libs/libomp/libomp-16.0.0_pre20230107.ebuild
new file mode 100644
index 000000000000..c9b535413ffa
--- /dev/null
+++ b/sys-libs/libomp/libomp-16.0.0_pre20230107.ebuild
@@ -0,0 +1,136 @@
+# Copyright 1999-2023 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
+}