sys-libs/libomp: Add 20.0.0_pre20241004 snapshot

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

2 files changed, 89 insertions, 0 deletions

diff --git a/sys-libs/libomp/Manifest b/sys-libs/libomp/Manifest
index 9e51e0d8636d..dd712b0738b2 100644
--- a/sys-libs/libomp/Manifest
+++ b/sys-libs/libomp/Manifest
@@ -12,4 +12,5 @@ DIST llvm-project-19.1.0.src.tar.xz.sig 438 BLAKE2B b044fcc6f331e75f9340e390ef8a
 DIST llvm-project-19.1.1.src.tar.xz 141244648 BLAKE2B 7c9250f99c8e5ae2097e89269ebf5bfdfb0fba8f67ab934377d24030c985013fe5475d0c9bd6d60a679e169772ad1723bc6e44ff9e4c7aed5627b9f1f1a2477a SHA512 84adab40ffb9ec236dbf203d86c08a0c2c651f98278a9d0936490c7901159eb26eabd3db9316013886b549426d4acb43b75d866f7dc670ab299bf93ba35b1891
 DIST llvm-project-19.1.1.src.tar.xz.sig 438 BLAKE2B 6967194abf6939291abc716f862a46ea7c5e195b98eebc26928a57dbd5034f82a8ecb5b7cc1b7c2428168309308b19df1c7db828703e80d3f7bf578e3542874d SHA512 07bb7bffb2b035417d702ca47be9d5759250f1a2cd57606855027d458ceb972a293b45d3d93bcda195588986acbb5eace60524f4aecdc0da7aeb3a8414c37c31
 DIST llvm-project-41f1b467a29d2ca4e35df37c3aa79a0a8c04bc4f.tar.gz 218633363 BLAKE2B 9367923a4257e0ce01cf443eca790a567c6d9224126ebff15849c829f04dbac39aee60de1f28eab71ee4143341105c46466e1983e0f2a1a478e75fd5363a8d02 SHA512 eca094df135f184e2c3a42a3984ac353b7a8286446da80f042aef8047761f5f5cc6eeccb9bff6056ff0ddd1babe31a468e279b028b9618364f88ae9f26053c22
+DIST llvm-project-b837c9e289dab93c7f8a06876e3f70b6864f40ab.tar.gz 219631219 BLAKE2B d8a5d7de537ad91e94fc85dc0f624eba92f31cab2a345706250a66ad424fff151d5b86c430d993a35fd938095774411080cee4cab47a8258af348743dc145b56 SHA512 fe23f72b73553e3755af335a2a2a2225eafdcf2ed93191c9f4ac7bcf7b5b5391f73c2dccbb082279e0c7389a8f12b889a8d061389785cf9219ca861a8d4b41cc
 DIST llvm-project-cde7b30268a85a3e7900a31534a97e7eb4de9236.tar.gz 219048549 BLAKE2B 53bdfea814b2cdf60bfdd27f6135b9f9d5156bdc78d22a361214399c5101b6fafaaefb9109377c1d977c67ebcb1feed69d6aaee0f2e38881480d68ac8be9b3d9 SHA512 0def6da5c2443753f37ba40a893b41dd5c7676b7be57102a5a6e820fe4fe235cad1da9a1c0eff1abc4c4ed5cc188522cae23afeddeee1876ea8ffde5c4f33b9f
diff --git a/sys-libs/libomp/libomp-20.0.0_pre20241004.ebuild b/sys-libs/libomp/libomp-20.0.0_pre20241004.ebuild
new file mode 100644
index 000000000000..32b91b3699c4
--- /dev/null
+++ b/sys-libs/libomp/libomp-20.0.0_pre20241004.ebuild
@@ -0,0 +1,88 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit flag-o-matic cmake-multilib linux-info 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}"
+IUSE="+debug gdb-plugin hwloc ompt test"
+REQUIRED_USE="
+	gdb-plugin? ( ${PYTHON_REQUIRED_USE} )
+"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	gdb-plugin? ( ${PYTHON_DEPS} )
+	hwloc? ( >=sys-apps/hwloc-2.5:0=[${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
+	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
+
+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)
+
+		# 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 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++")"
+	)
+	cmake_src_configure
+}
+
+multilib_src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+
+	cmake_build check-libomp
+}