sys-libs/libomp: Bump to 6.0.0rc2

2 files changed, 116 insertions, 0 deletions

diff --git a/sys-libs/libomp/Manifest b/sys-libs/libomp/Manifest
index f960bf6e4563..5f54ce97f711 100644
--- a/sys-libs/libomp/Manifest
+++ b/sys-libs/libomp/Manifest
@@ -4,3 +4,4 @@ DIST openmp-3.9.0.src.tar.xz 2257596 BLAKE2B fae0e3e36afcd1a223030f09209865ce706
 DIST openmp-3.9.1.src.tar.xz 2031588 BLAKE2B feafb94a832ec48a67d6e00720724dcecb533a4a09e0d69462af33e13454b20393aa21fabb062c362824cdfbee712db1030732271e4cd49085fa69cff9800835 SHA512 80924a6f9765f634d24d7b0aa036d92c912dbd8e067487a14bdd03b4c587fdfc92e83eb29926bfa637ef45be3f133a924f77ab12099ea3706c18e9c42774708b
 DIST openmp-4.0.1.src.tar.xz 2275240 BLAKE2B e63cf670c4cd2678afc4d7b96be85c3d157bf91a69510f980d9a0a07f61b449b22ff28d63753f32e63afedb4a7077c662a633f689a660b5047a83bcf1fb7f009 SHA512 0b737dde832c5907a0cac41fe1d594b61e85dd405eee42b39f09233db62b44543204ccc775e52e2981f9c9f0683b234526e288a3a7a04f712280fb3a575abcaf
 DIST openmp-5.0.1.src.tar.xz 2075472 BLAKE2B a4da4726a17dc0fd083e11fe1bebf446978137aa4453000e8fea950021fff091a818246f0817dd60ce67353d3f7d75ab8fec2b9e955389d9c94e195945efda50 SHA512 4493b918fd83ef26e2b3f3429d1b00d722328e4c9697ac7625a390834f6e88ada8e5b02ce0ecb4771129207b1b81a9d171f4599ab9388762a3c6db0afc499ff4
+DIST openmp-6.0.0rc2.src.tar.xz 2272464 BLAKE2B c6b53553392a0d6fc485e3ff728fae4312e07b2d478ac3b1d53166c0c9cbb3e917b5d6b52e32862cd1cac1ebad7827df59f6c05c34855fa623cbe7a9c21d593e SHA512 58a7adb66dd54e32ce232e70085b0fb96ec5dbd7b518b63634569b10c43ebf0881958ace3499975e1224dd4c094dd9c5697481a7a3a949c731418a6b1f96ebbc
diff --git a/sys-libs/libomp/libomp-6.0.0_rc2.ebuild b/sys-libs/libomp/libomp-6.0.0_rc2.ebuild
new file mode 100644
index 000000000000..98935fa8fbc4
--- /dev/null
+++ b/sys-libs/libomp/libomp-6.0.0_rc2.ebuild
@@ -0,0 +1,115 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+# (needed due to CMAKE_BUILD_TYPE != Gentoo)
+CMAKE_MIN_VERSION=3.7.0-r1
+PYTHON_COMPAT=( python2_7 )
+
+inherit cmake-multilib linux-info python-any-r1
+
+DESCRIPTION="OpenMP runtime library for LLVM/clang compiler"
+HOMEPAGE="https://openmp.llvm.org"
+SRC_URI="http://prereleases.llvm.org/${PV/_//}/openmp-${PV/_/}.src.tar.xz"
+
+# Additional licenses:
+# - MIT-licensed Intel code,
+# - LLVM Software Grant from Intel.
+
+LICENSE="|| ( UoI-NCSA MIT ) MIT LLVM-Grant"
+SLOT="0"
+KEYWORDS=""
+IUSE="cuda hwloc kernel_linux offload ompt test"
+# CUDA works only with the x86_64 ABI
+REQUIRED_USE="offload? ( cuda? ( abi_x86_64 ) )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	hwloc? ( sys-apps/hwloc:0=[${MULTILIB_USEDEP}] )
+	offload? (
+		virtual/libelf:=[${MULTILIB_USEDEP}]
+		virtual/libffi:=[${MULTILIB_USEDEP}]
+		cuda? ( dev-util/nvidia-cuda-sdk:= )
+	)"
+# 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="${RDEPEND}
+	dev-lang/perl
+	offload? ( virtual/pkgconfig[${MULTILIB_USEDEP}] )
+	test? (
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+		>=sys-devel/clang-6
+	)"
+
+S=${WORKDIR}/openmp-${PV/_/}.src
+
+# least intrusive of all
+CMAKE_BUILD_TYPE=RelWithDebInfo
+
+python_check_deps() {
+	has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+kernel_pds_check() {
+	if use kernel_linux && kernel_is -lt 4 15 && kernel_is -ge 4 13; then
+		local CONFIG_CHECK="~!SCHED_PDS"
+		local ERROR_SCHED_PDS="\
+PDS scheduler versions >= 0.98c < 0.98i (e.g. used in kernels >= 4.13-pf11
+< 4.14-pf9) do not implement sched_yield() call which may result in horrible
+performance problems with libomp. If you are using one of the specified
+kernel versions, you may want to disable the PDS scheduler."
+
+		check_extra_config
+	fi
+}
+
+pkg_pretend() {
+	kernel_pds_check
+}
+
+pkg_setup() {
+	use test && python-any-r1_pkg_setup
+}
+
+multilib_src_configure() {
+	local libdir="$(get_libdir)"
+	local mycmakeargs=(
+		-DOPENMP_LIBDIR_SUFFIX="${libdir#lib}"
+
+		-DLIBOMP_USE_HWLOC=$(usex hwloc)
+		-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
+	)
+	use offload && mycmakeargs+=(
+		# this is non-fatal and libomp checks for CUDA conditionally
+		# to ABI, so we can just ignore passing the wrong value
+		# on non-amd64 ABIs
+		-DCMAKE_DISABLE_FIND_PACKAGE_CUDA=$(usex !cuda)
+	)
+	use test && mycmakeargs+=(
+		# this project does not use standard LLVM cmake macros
+		-DOPENMP_LLVM_LIT_EXECUTABLE="${EPREFIX}/usr/bin/lit"
+		-DOPENMP_LIT_ARGS="-vv"
+
+		-DOPENMP_TEST_C_COMPILER="$(type -P "${CHOST}-clang")"
+		-DOPENMP_TEST_CXX_COMPILER="$(type -P "${CHOST}-clang++")"
+	)
+	cmake-utils_src_configure
+}
+
+multilib_src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+
+	cmake-utils_src_make check-libomp
+}