sys-libs/libomp: Bump to 16.0.0_rc4

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 1cedd41bcc86..e1352dfe2bfc 100644
--- a/sys-libs/libomp/Manifest
+++ b/sys-libs/libomp/Manifest
@@ -6,4 +6,6 @@ DIST llvm-project-15.0.7.src.tar.xz 110936452 BLAKE2B f3d277e2029157329e5be78b78
 DIST llvm-project-15.0.7.src.tar.xz.sig 566 BLAKE2B 47dc8c82d86237b80c6d85f83a6c9a6e9e174cf8e7f367b071e0cd9481d7cd408e991337c5624e07f3f370f26387c814f212808575ed1c1b58404d3e3836b7df SHA512 fc6891b440dd1175eb8df3790590af8d36bc92301660f84744ae15123475aeb900a151e6a8e7998ded27ec4d86871903ad0b89cd61164943054c2e3bc8d8beb2
 DIST llvm-project-16.0.0rc3.src.tar.xz 117914548 BLAKE2B 18ffa35eb73c7cc4626d7b6b7b30aade7171ee2e17fb8d72e79a67185e809f611fefa4cfef17e5cd16822a5a70de2222534dc9f146fc53987eb49ff6a9d98c18 SHA512 d14e5e5ec984a0dc0292a2d27440398b3e32f120c1579517054dcb1a05dbc4ac5f1c6d078a3d6ef8597a71af6f22863868680a972a571839dcd573418b4a4697
 DIST llvm-project-16.0.0rc3.src.tar.xz.sig 566 BLAKE2B 43683d2d7b266a847516f71412bf6236a355462430330fc0da1d624fb8dfbc98bfc982d367baee74d5b4964a9e82e7a4a6ea84bdcff3996d246932f516cced1a SHA512 61adc4dc3eb5a4c11a7f96f9267ff37895e5845a08d48a609a03a2696c1b6bca5af5861a6f28de936c48e6d621bf282170589187f2cb593a912b9078300cf47c
+DIST llvm-project-16.0.0rc4.src.tar.xz 117930024 BLAKE2B 55cf032ad3ba52d2af0942fe1c627319ae95b466122d04b24a917c33e29139fae546d92c375715600190c02426b798803ead0ab7a97d86960cf98fca80e8815c SHA512 8d628205c5b93fe6683b67b97b5c7f98bae945bd87cccebcdac00ddd4362108bd171f077a5196242be0fb909c795592b34bfa1c96c50a744fb68f287fd9781cc
+DIST llvm-project-16.0.0rc4.src.tar.xz.sig 566 BLAKE2B bfcf39070f32e16cfeae699d95d06f184b1331c3af403340c31cc5a973a3bb1faec0b6342445176cebed5819ddf68e4abfdaa8542ec425b1c822fc8c03c03349 SHA512 2af72e3d771e2361873007a944dcccfe81fbdbc3025a2101e03cbc15f1a173d39ceb94c4ae8966b1d7564bf004ee9a5ffa032e2334c0cf7154aea1090d04b00f
 DIST llvm-project-2708869801ae00f4681f6b2d9d69b25b3fce26b6.tar.gz 180523586 BLAKE2B cf918d1e23f922d201a44531c9765b7d8ec2b3b8499ea7954845abcd5fa2687e85b3a34819a583c4f4a6d6e1baa49dbac0b4450cd6b9b322b0f13c88cd7da93c SHA512 18cb00e93d819993a925ae0467d382bc952d82c1eb92dbbb5bb3cdf87043269948670713734ddc3ea4ec50544e54dd11b6747496f7eaa02479374ab9ad075aa5
diff --git a/sys-libs/libomp/libomp-16.0.0_rc4.ebuild b/sys-libs/libomp/libomp-16.0.0_rc4.ebuild
new file mode 100644
index 000000000000..57c4ff3a33d0
--- /dev/null
+++ b/sys-libs/libomp/libomp-16.0.0_rc4.ebuild
@@ -0,0 +1,149 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{9..11} )
+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}"
+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}]
+		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
+	)
+
+	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
+}