llvm-runtimes/openmp: Add 22.0.0_pre20251127 snapshot

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

llvm-runtimes/openmp/Manifest

@@ -17,3 +17,4 @@ DIST llvm-project-21.1.5.src.tar.xz.sig 119 BLAKE2B abf014908e981ea358ee38f6d1ef
 DIST llvm-project-21.1.6.src.tar.xz 158947864 BLAKE2B eeda7b9903ef59319ad22e5e3a8b66a339cbbb7445ccb75fa09db6823371a22e9b66cb44c084fdeb16054f2e62a149f6e069d9726f269f667dbd6a631cb658c3 SHA512 f9e6c84828e40cb0a7894258b07240468a9d555c11496a1725bf959444362277a90ea822eeb8c9b51b3b7fecd4dd0b213a28a2f2effefbf43efdd21084d10afc
 DIST llvm-project-21.1.6.src.tar.xz.sig 119 BLAKE2B 2e3de87f4adb181740cfc8a5f8de3e6f4090f50d2f0dfa2670b27c0a6dde296b399ee017b5f6220aa80581a16c81afb5c96454d69dac8ce246713570470956b8 SHA512 637cc9f778f8303e80985469c3102573a9cf6264093b1a83fb494e34b5cb444f76cbb7d6d497d44b05250d56e25ec27dd9df685e0b78b23bb71e4bcd05a8facf
 DIST llvm-project-21c4c1502e3383988ba77eac75b13da7b9426957.tar.gz 254650569 BLAKE2B aaa8fffbe3b8ddcffa232c6cd078d33efc0f23453fd79b2ae71a0760b35da2ad17ffaed95d99c2548904468767d9f95af2ca4a59245e1ddf51a6612bda61cda4 SHA512 40a97c53cf7825b5c1e6867df74fa22e3b786a2ec9bcb478e1af0e6a165c582316c3c75b12f4704227b8e95cce91ab110acb10f2d8f30bc82319d6af4d201956
+DIST llvm-project-8401a8d0be7671fb5089f850a34dc92ad4a2eb12.tar.gz 254694831 BLAKE2B edac68e2b57124504262d68d1fabbb2161af023c2b9f96f304ce220e3d84249e2a2c1137c83bcfb15f6f082b68ef24a775150e5f435ec14d0f471c51ec438346 SHA512 a35f918fc3363df20fecac5820595060acd9fa0bce2cc3f696603192100a63ff4d31f6ba6ac98ad13f62b01c0789f3cce2ecbe4b9c0095d2bf02d2b24971d973

llvm-runtimes/openmp/openmp-22.0.0_pre20251127.ebuild

@@ -0,0 +1,93 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+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
+# - llvm-core/llvm provide test utils (e.g. FileCheck)
+# - llvm-core/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}]
+		')
+		llvm-core/clang
+	)
+"
+
+LLVM_COMPONENTS=( runtimes openmp cmake llvm/{cmake,include,utils/llvm-lit} )
+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=(
+		-DLLVM_ENABLE_RUNTIMES=openmp
+		-DOPENMP_STANDALONE_BUILD=ON
+		-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++")"
+		# disable Fortran tests for now
+		# (TODO: enable where we have flang keyworded)
+		-DOPENMP_TEST_Fortran_COMPILER=
+	)
+	cmake_src_configure
+}
+
+multilib_src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+
+	cmake_build check-openmp
+}