gentoo auto-resync : 26:01:2025 - 06:49:21

16 files changed, 1097 insertions, 12 deletions

diff --git a/llvm-runtimes/Manifest.gz b/llvm-runtimes/Manifest.gz
index 893e15ff252a..514f71ba8608 100644
--- a/llvm-runtimes/Manifest.gz
+++ b/llvm-runtimes/Manifest.gz
diff --git a/llvm-runtimes/compiler-rt-sanitizers/Manifest b/llvm-runtimes/compiler-rt-sanitizers/Manifest
index 699ff24b1406..2fdb63fb0ebb 100644
--- a/llvm-runtimes/compiler-rt-sanitizers/Manifest
+++ b/llvm-runtimes/compiler-rt-sanitizers/Manifest
@@ -16,6 +16,7 @@ DIST llvm-project-19.1.6.src.tar.xz 141248428 BLAKE2B b35ab0c754f28c850ac6fd4ee5
 DIST llvm-project-19.1.6.src.tar.xz.sig 438 BLAKE2B 1791e98252ab78a9a762ef601ff9edee115385181781c8100f14ec80061d7888ee4c4c519297a0e89b9c7ab2203aa9d5bb3084ea1d0f0024c2acf84826fd370b SHA512 8e79a39a4f54da3579794f9b5a009ea8ee56c7bc1805187274794ce56e81aa492ea93f5c7839a59beedcf7d657acded5ecb75d5803658cce1f9e8f753439c6c4
 DIST llvm-project-19.1.7.src.tar.xz 141249332 BLAKE2B 1259ed7f9aca7b35e89d818befdee20fd8bed4d2dc2c2c6f6f56451fd43d35ac03a0a5a406e142d22b25137999dc5b17471c196f8fcf79f20a8296832d900f6d SHA512 c7d63286d662707a9cd54758c9e3aaf52794a91900c484c4a6efa62d90bc719d5e7a345e4192feeb0c9fd11c82570d64677c781e5be1d645556b6aa018e47ec8
 DIST llvm-project-19.1.7.src.tar.xz.sig 438 BLAKE2B 4015140f4ba77de45039bdbdfbaf6f30e75705123d067ea97175d91d7a5b6a75008df01d99ae7aa16aaa3b101f3f41e38d01f04158f95a261d617b3ede0254cd SHA512 195797b06ac80a742e0ccbc03a50dc06dd2e04377d783d5474e3e72c5a75203b60292b047929312a411d22b137a239943fba414a4d136a2be14cbff978eb6bda
+DIST llvm-project-1f26ac10ca1bef40a80be8f81a6f109713bc586f.tar.gz 226424755 BLAKE2B 642befb8d6923f335d1d68129ebb7357f8ba22e110df494dd956c8097e4e5db4b2a88fcc069ab67184b03558f072c68e002bdaf90eba865e38b1473a0ef29eed SHA512 e9bb4fd31bbad5ec864c662515b5ec2e5511cce975040f9f3cd8f009c92f76077928feae0467fd9519a001a379c857f7539c506953d8d5a9209a9f358f414aac
 DIST llvm-project-8af4d206e0f979f68925a08f9dffd60a98ce97e2.tar.gz 224825146 BLAKE2B 36e9c8f9615d65fc72beb699c4ce5959676975267a4c4288a01009d26ab84ae411f2855e4e6475957b91ddc21da29251ab22e331395bc9fee0f9bc907a05384a SHA512 ec72cdd7cc6d9bef31ae9295606d18e4935468fe60ab632aced21261d437e76f11d83d0d7199a6028689990260d9155098f7d64e97db0e0af28ea6c75a773bcc
 DIST llvm-project-97c3a990f05606cb807faf53bc41302fb62c7980.tar.gz 226261635 BLAKE2B 9dd0bdfaa6ee984747f2d9d8b9606cd8d2e75fa64d45fd7c87227ddca7cffe888a1d932d73c123b25360690fd687554cc333fb3d871ab0e72ddd2b1158bae2e0 SHA512 466ae8aea014fd396f3fd6b77055238a672f012b79f25ed0b215e01f968a56dd4eeaf148d03246701b1ac4cbb8f02a4325142d6e5503fb6231e330c2e49e28e7
 DIST llvm-project-c3a935e3f967f8f22f5db240d145459ee621c1e0.tar.gz 225133913 BLAKE2B ced922010bad14df6bce0dbbb9323ee3cc9d7bf2f764f8c982d134d7a97e38d84b0b81635bbb16031aa1899c744e7c036cec5d1957733bbed7a2f18f89db0b6f SHA512 0ea083defb3c0ecaa5d8d28682f140c68ec6b3ab6cbfc60fc38a9265a8eb88b618c075d6ae03170ed54c5e7dcb3b7003eaacea2fcb115e9864b64a17cea0013d
@@ -30,4 +31,5 @@ EBUILD compiler-rt-sanitizers-20.0.0.9999.ebuild 6404 BLAKE2B 288357f4570b77f6a3
 EBUILD compiler-rt-sanitizers-20.0.0_pre20250111.ebuild 6404 BLAKE2B d317bd4d4c43deae61c6c6accd7b6db68d3ef16af965c9eed30a85483e2299a63e1d1acab7f5e080f98027408d66ca4057db0c3eccbcd94abfdabf51dae1b25d SHA512 5406797df47f496af1f57bfc25f2e1ccf2decf3607c9d03bf7561e1c0f820d7c67006614c35e448eca7c33d299dd355195a0c041d96a27fab3c6b5655d23fbbe
 EBUILD compiler-rt-sanitizers-20.0.0_pre20250118.ebuild 6404 BLAKE2B d317bd4d4c43deae61c6c6accd7b6db68d3ef16af965c9eed30a85483e2299a63e1d1acab7f5e080f98027408d66ca4057db0c3eccbcd94abfdabf51dae1b25d SHA512 5406797df47f496af1f57bfc25f2e1ccf2decf3607c9d03bf7561e1c0f820d7c67006614c35e448eca7c33d299dd355195a0c041d96a27fab3c6b5655d23fbbe
 EBUILD compiler-rt-sanitizers-20.0.0_pre20250122.ebuild 6404 BLAKE2B d317bd4d4c43deae61c6c6accd7b6db68d3ef16af965c9eed30a85483e2299a63e1d1acab7f5e080f98027408d66ca4057db0c3eccbcd94abfdabf51dae1b25d SHA512 5406797df47f496af1f57bfc25f2e1ccf2decf3607c9d03bf7561e1c0f820d7c67006614c35e448eca7c33d299dd355195a0c041d96a27fab3c6b5655d23fbbe
+EBUILD compiler-rt-sanitizers-20.0.0_pre20250125.ebuild 6404 BLAKE2B d317bd4d4c43deae61c6c6accd7b6db68d3ef16af965c9eed30a85483e2299a63e1d1acab7f5e080f98027408d66ca4057db0c3eccbcd94abfdabf51dae1b25d SHA512 5406797df47f496af1f57bfc25f2e1ccf2decf3607c9d03bf7561e1c0f820d7c67006614c35e448eca7c33d299dd355195a0c041d96a27fab3c6b5655d23fbbe
 MISC metadata.xml 1657 BLAKE2B 9fd760c7d197b4bf4effd441027b22a0705e70294d1962a8c9b045897e206c5e222bfdb7b0e27e4753c9103f836ac4614f523d34a7621b0bf03770171aafdede SHA512 4800ff405f3599775e6276b0ce36043a702f328b14f1b8cfe940be5115d1787193be5475ad9323a6770e7621d7253db660e5de57797503d878dca67de934702e
diff --git a/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-20.0.0_pre20250125.ebuild b/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-20.0.0_pre20250125.ebuild
new file mode 100644
index 000000000000..5efa81abbe9b
--- /dev/null
+++ b/llvm-runtimes/compiler-rt-sanitizers/compiler-rt-sanitizers-20.0.0_pre20250125.ebuild
@@ -0,0 +1,222 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit check-reqs cmake flag-o-matic llvm.org llvm-utils python-any-r1
+
+DESCRIPTION="Compiler runtime libraries for clang (sanitizers & xray)"
+HOMEPAGE="https://llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="${LLVM_MAJOR}"
+IUSE="+abi_x86_32 abi_x86_64 +clang +debug test"
+# base targets
+IUSE+=" +ctx-profile +libfuzzer +memprof +orc +profile +xray"
+# sanitizer targets, keep in sync with config-ix.cmake
+# NB: ubsan, scudo deliberately match two entries
+SANITIZER_FLAGS=(
+	asan dfsan lsan msan hwasan tsan ubsan safestack cfi scudo
+	shadowcallstack gwp-asan nsan rtsan
+)
+IUSE+=" ${SANITIZER_FLAGS[@]/#/+}"
+REQUIRED_USE="
+	|| ( ${SANITIZER_FLAGS[*]} libfuzzer orc profile xray )
+	test? (
+		cfi? ( ubsan )
+		gwp-asan? ( scudo )
+	)
+"
+RESTRICT="
+	!clang? ( test )
+	!test? ( test )
+"
+
+DEPEND="
+	llvm-core/llvm:${LLVM_MAJOR}
+	virtual/libcrypt[abi_x86_32(-)?,abi_x86_64(-)?]
+"
+BDEPEND="
+	clang? (
+		llvm-core/clang:${LLVM_MAJOR}
+		llvm-runtimes/compiler-rt:${LLVM_MAJOR}
+	)
+	elibc_glibc? ( net-libs/libtirpc )
+	test? (
+		$(python_gen_any_dep ">=dev-python/lit-15[\${PYTHON_USEDEP}]")
+		=llvm-core/clang-${LLVM_VERSION}*:${LLVM_MAJOR}
+	)
+	!test? (
+		${PYTHON_DEPS}
+	)
+"
+
+LLVM_COMPONENTS=( compiler-rt cmake llvm/cmake )
+LLVM_TEST_COMPONENTS=(
+	llvm/include/llvm/ProfileData llvm/lib/Testing/Support third-party
+)
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version ">=dev-python/lit-15[${PYTHON_USEDEP}]"
+}
+
+check_space() {
+	if use test; then
+		local CHECKREQS_DISK_BUILD=11G
+		check-reqs_pkg_pretend
+	fi
+}
+
+pkg_pretend() {
+	check_space
+}
+
+pkg_setup() {
+	check_space
+	python-any-r1_pkg_setup
+}
+
+src_prepare() {
+	sed -i -e 's:-Werror::' lib/tsan/go/buildgo.sh || die
+
+	local flag
+	for flag in "${SANITIZER_FLAGS[@]}"; do
+		if ! use "${flag}"; then
+			local cmake_flag=${flag/-/_}
+			sed -i -e "/COMPILER_RT_HAS_${cmake_flag^^}/s:TRUE:FALSE:" \
+				cmake/config-ix.cmake || die
+		fi
+	done
+
+	# TODO: fix these tests to be skipped upstream
+	if use asan && ! use profile; then
+		rm test/asan/TestCases/asan_and_llvm_coverage_test.cpp || die
+	fi
+	if use ubsan && ! use cfi; then
+		> test/cfi/CMakeLists.txt || die
+	fi
+	# hangs, sigh
+	rm test/tsan/getline_nohang.cpp || die
+
+	llvm.org_src_prepare
+}
+
+src_configure() {
+	llvm_prepend_path "${LLVM_MAJOR}"
+
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+	# pre-set since we need to pass it to cmake
+	BUILD_DIR=${WORKDIR}/compiler-rt_build
+
+	if use clang; then
+		local -x CC=${CHOST}-clang
+		local -x CXX=${CHOST}-clang++
+		strip-unsupported-flags
+	fi
+
+	local flag want_sanitizer=OFF
+	for flag in "${SANITIZER_FLAGS[@]}"; do
+		if use "${flag}"; then
+			want_sanitizer=ON
+			break
+		fi
+	done
+
+	local mycmakeargs=(
+		-DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${LLVM_MAJOR}"
+		# use a build dir structure consistent with install
+		# this makes it possible to easily deploy test-friendly clang
+		-DCOMPILER_RT_OUTPUT_DIR="${BUILD_DIR}/lib/clang/${LLVM_MAJOR}"
+
+		-DCOMPILER_RT_INCLUDE_TESTS=$(usex test)
+		# builtins & crt installed by llvm-runtimes/compiler-rt
+		-DCOMPILER_RT_BUILD_BUILTINS=OFF
+		-DCOMPILER_RT_BUILD_CRT=OFF
+		-DCOMPILER_RT_BUILD_CTX_PROFILE=$(usex ctx-profile)
+		-DCOMPILER_RT_BUILD_LIBFUZZER=$(usex libfuzzer)
+		-DCOMPILER_RT_BUILD_MEMPROF=$(usex memprof)
+		-DCOMPILER_RT_BUILD_ORC=$(usex orc)
+		-DCOMPILER_RT_BUILD_PROFILE=$(usex profile)
+		-DCOMPILER_RT_BUILD_SANITIZERS="${want_sanitizer}"
+		-DCOMPILER_RT_BUILD_XRAY=$(usex xray)
+
+		-DPython3_EXECUTABLE="${PYTHON}"
+	)
+
+	if use amd64; then
+		mycmakeargs+=(
+			-DCAN_TARGET_i386=$(usex abi_x86_32)
+			-DCAN_TARGET_x86_64=$(usex abi_x86_64)
+		)
+	fi
+
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags)"
+
+			# they are created during src_test()
+			-DCOMPILER_RT_TEST_COMPILER="${BUILD_DIR}/lib/llvm/${LLVM_MAJOR}/bin/clang"
+			-DCOMPILER_RT_TEST_CXX_COMPILER="${BUILD_DIR}/lib/llvm/${LLVM_MAJOR}/bin/clang++"
+		)
+
+		# same flags are passed for build & tests, so we need to strip
+		# them down to a subset supported by clang
+		CC=${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/clang \
+		CXX=${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/clang++ \
+		strip-unsupported-flags
+	fi
+
+	if use prefix && [[ "${CHOST}" == *-darwin* ]] ; then
+		mycmakeargs+=(
+			# setting -isysroot is disabled with compiler-rt-prefix-paths.patch
+			# this allows adding arm64 support using SDK in EPREFIX
+			-DDARWIN_macosx_CACHED_SYSROOT="${EPREFIX}/MacOSX.sdk"
+			# Set version based on the SDK in EPREFIX
+			# This disables i386 for SDK >= 10.15
+			# Will error if has_use tsan and SDK < 10.12
+			-DDARWIN_macosx_OVERRIDE_SDK_VERSION="$(realpath ${EPREFIX}/MacOSX.sdk | sed -e 's/.*MacOSX\(.*\)\.sdk/\1/')"
+			# Use our libtool instead of looking it up with xcrun
+			-DCMAKE_LIBTOOL="${EPREFIX}/usr/bin/${CHOST}-libtool"
+		)
+	fi
+
+	cmake_src_configure
+
+	if use test; then
+		local sys_dir=( "${EPREFIX}"/usr/lib/clang/${LLVM_MAJOR}/lib/* )
+		[[ -e ${sys_dir} ]] || die "Unable to find ${sys_dir}"
+		[[ ${#sys_dir[@]} -eq 1 ]] || die "Non-deterministic compiler-rt install: ${sys_dir[*]}"
+
+		# copy clang over since resource_dir is located relatively to binary
+		# therefore, we can put our new libraries in it
+		mkdir -p "${BUILD_DIR}"/lib/{llvm/${LLVM_MAJOR}/{bin,$(get_libdir)},clang/${LLVM_MAJOR}/include} || die
+		cp "${EPREFIX}"/usr/lib/llvm/${LLVM_MAJOR}/bin/clang{,++} \
+			"${BUILD_DIR}"/lib/llvm/${LLVM_MAJOR}/bin/ || die
+		cp "${EPREFIX}"/usr/lib/clang/${LLVM_MAJOR}/include/*.h \
+			"${BUILD_DIR}"/lib/clang/${LLVM_MAJOR}/include/ || die
+		cp "${sys_dir}"/*builtins*.a \
+			"${BUILD_DIR}/lib/clang/${LLVM_MAJOR}/lib/${sys_dir##*/}/" || die
+		# we also need LLVMgold.so for gold-based tests
+		if [[ -f ${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/$(get_libdir)/LLVMgold.so ]]; then
+			ln -s "${EPREFIX}"/usr/lib/llvm/${LLVM_MAJOR}/$(get_libdir)/LLVMgold.so \
+				"${BUILD_DIR}"/lib/llvm/${LLVM_MAJOR}/$(get_libdir)/ || die
+		fi
+	fi
+}
+
+src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+	# disable sandbox to have it stop clobbering LD_PRELOAD
+	local -x SANDBOX_ON=0
+	# wipe LD_PRELOAD to make ASAN happy
+	local -x LD_PRELOAD=
+
+	cmake_build check-all
+}
diff --git a/llvm-runtimes/compiler-rt/Manifest b/llvm-runtimes/compiler-rt/Manifest
index 095f61f4b133..306160873945 100644
--- a/llvm-runtimes/compiler-rt/Manifest
+++ b/llvm-runtimes/compiler-rt/Manifest
@@ -15,6 +15,7 @@ DIST llvm-project-19.1.6.src.tar.xz 141248428 BLAKE2B b35ab0c754f28c850ac6fd4ee5
 DIST llvm-project-19.1.6.src.tar.xz.sig 438 BLAKE2B 1791e98252ab78a9a762ef601ff9edee115385181781c8100f14ec80061d7888ee4c4c519297a0e89b9c7ab2203aa9d5bb3084ea1d0f0024c2acf84826fd370b SHA512 8e79a39a4f54da3579794f9b5a009ea8ee56c7bc1805187274794ce56e81aa492ea93f5c7839a59beedcf7d657acded5ecb75d5803658cce1f9e8f753439c6c4
 DIST llvm-project-19.1.7.src.tar.xz 141249332 BLAKE2B 1259ed7f9aca7b35e89d818befdee20fd8bed4d2dc2c2c6f6f56451fd43d35ac03a0a5a406e142d22b25137999dc5b17471c196f8fcf79f20a8296832d900f6d SHA512 c7d63286d662707a9cd54758c9e3aaf52794a91900c484c4a6efa62d90bc719d5e7a345e4192feeb0c9fd11c82570d64677c781e5be1d645556b6aa018e47ec8
 DIST llvm-project-19.1.7.src.tar.xz.sig 438 BLAKE2B 4015140f4ba77de45039bdbdfbaf6f30e75705123d067ea97175d91d7a5b6a75008df01d99ae7aa16aaa3b101f3f41e38d01f04158f95a261d617b3ede0254cd SHA512 195797b06ac80a742e0ccbc03a50dc06dd2e04377d783d5474e3e72c5a75203b60292b047929312a411d22b137a239943fba414a4d136a2be14cbff978eb6bda
+DIST llvm-project-1f26ac10ca1bef40a80be8f81a6f109713bc586f.tar.gz 226424755 BLAKE2B 642befb8d6923f335d1d68129ebb7357f8ba22e110df494dd956c8097e4e5db4b2a88fcc069ab67184b03558f072c68e002bdaf90eba865e38b1473a0ef29eed SHA512 e9bb4fd31bbad5ec864c662515b5ec2e5511cce975040f9f3cd8f009c92f76077928feae0467fd9519a001a379c857f7539c506953d8d5a9209a9f358f414aac
 DIST llvm-project-8af4d206e0f979f68925a08f9dffd60a98ce97e2.tar.gz 224825146 BLAKE2B 36e9c8f9615d65fc72beb699c4ce5959676975267a4c4288a01009d26ab84ae411f2855e4e6475957b91ddc21da29251ab22e331395bc9fee0f9bc907a05384a SHA512 ec72cdd7cc6d9bef31ae9295606d18e4935468fe60ab632aced21261d437e76f11d83d0d7199a6028689990260d9155098f7d64e97db0e0af28ea6c75a773bcc
 DIST llvm-project-97c3a990f05606cb807faf53bc41302fb62c7980.tar.gz 226261635 BLAKE2B 9dd0bdfaa6ee984747f2d9d8b9606cd8d2e75fa64d45fd7c87227ddca7cffe888a1d932d73c123b25360690fd687554cc333fb3d871ab0e72ddd2b1158bae2e0 SHA512 466ae8aea014fd396f3fd6b77055238a672f012b79f25ed0b215e01f968a56dd4eeaf148d03246701b1ac4cbb8f02a4325142d6e5503fb6231e330c2e49e28e7
 DIST llvm-project-c3a935e3f967f8f22f5db240d145459ee621c1e0.tar.gz 225133913 BLAKE2B ced922010bad14df6bce0dbbb9323ee3cc9d7bf2f764f8c982d134d7a97e38d84b0b81635bbb16031aa1899c744e7c036cec5d1957733bbed7a2f18f89db0b6f SHA512 0ea083defb3c0ecaa5d8d28682f140c68ec6b3ab6cbfc60fc38a9265a8eb88b618c075d6ae03170ed54c5e7dcb3b7003eaacea2fcb115e9864b64a17cea0013d
@@ -33,4 +34,5 @@ EBUILD compiler-rt-20.0.0.9999.ebuild 5100 BLAKE2B c96f7e85cfe30d5e899bf251631a9
 EBUILD compiler-rt-20.0.0_pre20250111.ebuild 5100 BLAKE2B b2b32ab18b711afadb036dfeca9c482ac709c410f1bd17acc01cdaa86b27575b1f06cd6db08f20c3fb104244ee7e10da78dab5dbcd7e47fd7786d91141334687 SHA512 522852d029b271677f97026d9eab52070b1eb0d24889735e845039a9626e3500cd2df8118c1890b0dad9fe57bdfd77089ce3e8c44293333bf7071d9a39608ee7
 EBUILD compiler-rt-20.0.0_pre20250118.ebuild 5100 BLAKE2B b2b32ab18b711afadb036dfeca9c482ac709c410f1bd17acc01cdaa86b27575b1f06cd6db08f20c3fb104244ee7e10da78dab5dbcd7e47fd7786d91141334687 SHA512 522852d029b271677f97026d9eab52070b1eb0d24889735e845039a9626e3500cd2df8118c1890b0dad9fe57bdfd77089ce3e8c44293333bf7071d9a39608ee7
 EBUILD compiler-rt-20.0.0_pre20250122.ebuild 5100 BLAKE2B b2b32ab18b711afadb036dfeca9c482ac709c410f1bd17acc01cdaa86b27575b1f06cd6db08f20c3fb104244ee7e10da78dab5dbcd7e47fd7786d91141334687 SHA512 522852d029b271677f97026d9eab52070b1eb0d24889735e845039a9626e3500cd2df8118c1890b0dad9fe57bdfd77089ce3e8c44293333bf7071d9a39608ee7
+EBUILD compiler-rt-20.0.0_pre20250125.ebuild 5100 BLAKE2B b2b32ab18b711afadb036dfeca9c482ac709c410f1bd17acc01cdaa86b27575b1f06cd6db08f20c3fb104244ee7e10da78dab5dbcd7e47fd7786d91141334687 SHA512 522852d029b271677f97026d9eab52070b1eb0d24889735e845039a9626e3500cd2df8118c1890b0dad9fe57bdfd77089ce3e8c44293333bf7071d9a39608ee7
 MISC metadata.xml 610 BLAKE2B 2fd2530da10ecae7d8b54b448d0e0ec082b8082e3b5da8ab47dc79058724b368d5f900b1de18e14fe2c2b95257c69d0aceb9bd83b8b6873f65935302461ac263 SHA512 d50a05439376fa985ab1579a592cc6f544552e177132dc8773f172b827dec49ab3f8bcd77d89c25d4f2a1b99492897045b16a75ceb2d14cc76187140c33ccc45
diff --git a/llvm-runtimes/compiler-rt/compiler-rt-20.0.0_pre20250125.ebuild b/llvm-runtimes/compiler-rt/compiler-rt-20.0.0_pre20250125.ebuild
new file mode 100644
index 000000000000..c3b2eb0428cd
--- /dev/null
+++ b/llvm-runtimes/compiler-rt/compiler-rt-20.0.0_pre20250125.ebuild
@@ -0,0 +1,175 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit cmake crossdev flag-o-matic llvm.org llvm-utils python-any-r1
+inherit toolchain-funcs
+
+DESCRIPTION="Compiler runtime library for clang (built-in part)"
+HOMEPAGE="https://llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="${LLVM_MAJOR}"
+IUSE="+abi_x86_32 abi_x86_64 +atomic-builtins +clang +debug test"
+REQUIRED_USE="atomic-builtins? ( clang )"
+RESTRICT="!test? ( test ) !clang? ( test )"
+
+DEPEND="
+	llvm-core/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+	clang? ( llvm-core/clang:${LLVM_MAJOR} )
+	test? (
+		$(python_gen_any_dep ">=dev-python/lit-15[\${PYTHON_USEDEP}]")
+		=llvm-core/clang-${LLVM_VERSION}*:${LLVM_MAJOR}
+	)
+	!test? (
+		${PYTHON_DEPS}
+	)
+"
+
+LLVM_COMPONENTS=( compiler-rt cmake llvm/cmake )
+LLVM_TEST_COMPONENTS=( llvm/include/llvm/TargetParser )
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version ">=dev-python/lit-15[${PYTHON_USEDEP}]"
+}
+
+pkg_pretend() {
+	if ! use clang && ! tc-is-clang; then
+		ewarn "Building using a compiler other than clang may result in broken atomics"
+		ewarn "library. Enable USE=clang unless you have a very good reason not to."
+	fi
+}
+
+pkg_setup() {
+	if target_is_not_host || tc-is-cross-compiler ; then
+		# strips vars like CFLAGS="-march=x86_64-v3" for non-x86 architectures
+		CHOST=${CTARGET} strip-unsupported-flags
+		# overrides host docs otherwise
+		DOCS=()
+	fi
+	python-any-r1_pkg_setup
+}
+
+test_compiler() {
+	target_is_not_host && return
+	$(tc-getCC) ${CFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c - \
+		<<<'int main() { return 0; }' &>/dev/null
+}
+
+src_configure() {
+	llvm_prepend_path "${LLVM_MAJOR}"
+
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+	# pre-set since we need to pass it to cmake
+	BUILD_DIR=${WORKDIR}/${P}_build
+
+	if use clang && ! is_crosspkg; then
+		# Only do this conditionally to allow overriding with
+		# e.g. CC=clang-13 in case of breakage
+		if ! tc-is-clang ; then
+			local -x CC=${CHOST}-clang
+			local -x CXX=${CHOST}-clang++
+		fi
+
+		strip-unsupported-flags
+	fi
+
+	if ! is_crosspkg && ! test_compiler ; then
+		local nolib_flags=( -nodefaultlibs -lc )
+
+		if test_compiler "${nolib_flags[@]}"; then
+			local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
+			ewarn "${CC} seems to lack runtime, trying with ${nolib_flags[*]}"
+		elif test_compiler "${nolib_flags[@]}" -nostartfiles; then
+			# Avoiding -nostartfiles earlier on for bug #862540,
+			# and set available entry symbol for bug #862798.
+			nolib_flags+=( -nostartfiles -e main )
+
+			local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
+			ewarn "${CC} seems to lack runtime, trying with ${nolib_flags[*]}"
+		fi
+	fi
+
+	local mycmakeargs=(
+		-DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${LLVM_MAJOR}"
+
+		-DCOMPILER_RT_EXCLUDE_ATOMIC_BUILTIN=$(usex !atomic-builtins)
+		-DCOMPILER_RT_INCLUDE_TESTS=$(usex test)
+		-DCOMPILER_RT_BUILD_CTX_PROFILE=OFF
+		-DCOMPILER_RT_BUILD_LIBFUZZER=OFF
+		-DCOMPILER_RT_BUILD_MEMPROF=OFF
+		-DCOMPILER_RT_BUILD_ORC=OFF
+		-DCOMPILER_RT_BUILD_PROFILE=OFF
+		-DCOMPILER_RT_BUILD_SANITIZERS=OFF
+		-DCOMPILER_RT_BUILD_XRAY=OFF
+
+		-DPython3_EXECUTABLE="${PYTHON}"
+	)
+
+	if use amd64 && ! target_is_not_host; then
+		mycmakeargs+=(
+			-DCAN_TARGET_i386=$(usex abi_x86_32)
+			-DCAN_TARGET_x86_64=$(usex abi_x86_64)
+		)
+	fi
+
+	if is_crosspkg; then
+		# Needed to target built libc headers
+		export CFLAGS="${CFLAGS} -isystem /usr/${CTARGET}/usr/include"
+		mycmakeargs+=(
+			# Without this, the compiler will compile a test program
+			# and fail due to no builtins.
+			-DCMAKE_C_COMPILER_WORKS=1
+			-DCMAKE_CXX_COMPILER_WORKS=1
+
+			# Without this, compiler-rt install location is not unique
+			# to target triples, only to architecture.
+			# Needed if you want to target multiple libcs for one arch.
+			-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON
+
+			-DCMAKE_ASM_COMPILER_TARGET="${CTARGET}"
+			-DCMAKE_C_COMPILER_TARGET="${CTARGET}"
+			-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON
+		)
+	fi
+
+	if use prefix && [[ "${CHOST}" == *-darwin* ]] ; then
+		mycmakeargs+=(
+			# setting -isysroot is disabled with compiler-rt-prefix-paths.patch
+			# this allows adding arm64 support using SDK in EPREFIX
+			-DDARWIN_macosx_CACHED_SYSROOT="${EPREFIX}/MacOSX.sdk"
+			# Set version based on the SDK in EPREFIX.
+			# This disables i386 for SDK >= 10.15
+			-DDARWIN_macosx_OVERRIDE_SDK_VERSION="$(realpath ${EPREFIX}/MacOSX.sdk | sed -e 's/.*MacOSX\(.*\)\.sdk/\1/')"
+			# Use our libtool instead of looking it up with xcrun
+			-DCMAKE_LIBTOOL="${EPREFIX}/usr/bin/${CHOST}-libtool"
+		)
+	fi
+
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags)"
+
+			-DCOMPILER_RT_TEST_COMPILER="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/clang"
+			-DCOMPILER_RT_TEST_CXX_COMPILER="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}/bin/clang++"
+		)
+	fi
+
+	cmake_src_configure
+}
+
+src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+
+	cmake_build check-builtins
+}
diff --git a/llvm-runtimes/libcxx/Manifest b/llvm-runtimes/libcxx/Manifest
index 66fb0bfd6e96..f59766c2447e 100644
--- a/llvm-runtimes/libcxx/Manifest
+++ b/llvm-runtimes/libcxx/Manifest
@@ -14,6 +14,7 @@ DIST llvm-project-19.1.6.src.tar.xz 141248428 BLAKE2B b35ab0c754f28c850ac6fd4ee5
 DIST llvm-project-19.1.6.src.tar.xz.sig 438 BLAKE2B 1791e98252ab78a9a762ef601ff9edee115385181781c8100f14ec80061d7888ee4c4c519297a0e89b9c7ab2203aa9d5bb3084ea1d0f0024c2acf84826fd370b SHA512 8e79a39a4f54da3579794f9b5a009ea8ee56c7bc1805187274794ce56e81aa492ea93f5c7839a59beedcf7d657acded5ecb75d5803658cce1f9e8f753439c6c4
 DIST llvm-project-19.1.7.src.tar.xz 141249332 BLAKE2B 1259ed7f9aca7b35e89d818befdee20fd8bed4d2dc2c2c6f6f56451fd43d35ac03a0a5a406e142d22b25137999dc5b17471c196f8fcf79f20a8296832d900f6d SHA512 c7d63286d662707a9cd54758c9e3aaf52794a91900c484c4a6efa62d90bc719d5e7a345e4192feeb0c9fd11c82570d64677c781e5be1d645556b6aa018e47ec8
 DIST llvm-project-19.1.7.src.tar.xz.sig 438 BLAKE2B 4015140f4ba77de45039bdbdfbaf6f30e75705123d067ea97175d91d7a5b6a75008df01d99ae7aa16aaa3b101f3f41e38d01f04158f95a261d617b3ede0254cd SHA512 195797b06ac80a742e0ccbc03a50dc06dd2e04377d783d5474e3e72c5a75203b60292b047929312a411d22b137a239943fba414a4d136a2be14cbff978eb6bda
+DIST llvm-project-1f26ac10ca1bef40a80be8f81a6f109713bc586f.tar.gz 226424755 BLAKE2B 642befb8d6923f335d1d68129ebb7357f8ba22e110df494dd956c8097e4e5db4b2a88fcc069ab67184b03558f072c68e002bdaf90eba865e38b1473a0ef29eed SHA512 e9bb4fd31bbad5ec864c662515b5ec2e5511cce975040f9f3cd8f009c92f76077928feae0467fd9519a001a379c857f7539c506953d8d5a9209a9f358f414aac
 DIST llvm-project-8af4d206e0f979f68925a08f9dffd60a98ce97e2.tar.gz 224825146 BLAKE2B 36e9c8f9615d65fc72beb699c4ce5959676975267a4c4288a01009d26ab84ae411f2855e4e6475957b91ddc21da29251ab22e331395bc9fee0f9bc907a05384a SHA512 ec72cdd7cc6d9bef31ae9295606d18e4935468fe60ab632aced21261d437e76f11d83d0d7199a6028689990260d9155098f7d64e97db0e0af28ea6c75a773bcc
 DIST llvm-project-97c3a990f05606cb807faf53bc41302fb62c7980.tar.gz 226261635 BLAKE2B 9dd0bdfaa6ee984747f2d9d8b9606cd8d2e75fa64d45fd7c87227ddca7cffe888a1d932d73c123b25360690fd687554cc333fb3d871ab0e72ddd2b1158bae2e0 SHA512 466ae8aea014fd396f3fd6b77055238a672f012b79f25ed0b215e01f968a56dd4eeaf148d03246701b1ac4cbb8f02a4325142d6e5503fb6231e330c2e49e28e7
 DIST llvm-project-c3a935e3f967f8f22f5db240d145459ee621c1e0.tar.gz 225133913 BLAKE2B ced922010bad14df6bce0dbbb9323ee3cc9d7bf2f764f8c982d134d7a97e38d84b0b81635bbb16031aa1899c744e7c036cec5d1957733bbed7a2f18f89db0b6f SHA512 0ea083defb3c0ecaa5d8d28682f140c68ec6b3ab6cbfc60fc38a9265a8eb88b618c075d6ae03170ed54c5e7dcb3b7003eaacea2fcb115e9864b64a17cea0013d
@@ -28,4 +29,5 @@ EBUILD libcxx-20.0.0.9999.ebuild 5363 BLAKE2B 5b31c35a16136e3d0459d5c3d2a0c2bf7f
 EBUILD libcxx-20.0.0_pre20250111.ebuild 5363 BLAKE2B 36588297fc0a88b8ae1818b6a79b3c1d369fa7061ecf21820e53d5fec1c979006a47ed01d0b2bebe9434b745960b557e4c3dff3ebc65d1abe248c8a12c6f6793 SHA512 4e61de21e8803f3ae4ca834ccf297ceea653c9a256f6e9cfc526d7ec6c133cd3d9c02b5a28d18e8701b6561117bb27d94704170d251164ac1277450725d37545
 EBUILD libcxx-20.0.0_pre20250118.ebuild 5363 BLAKE2B 36588297fc0a88b8ae1818b6a79b3c1d369fa7061ecf21820e53d5fec1c979006a47ed01d0b2bebe9434b745960b557e4c3dff3ebc65d1abe248c8a12c6f6793 SHA512 4e61de21e8803f3ae4ca834ccf297ceea653c9a256f6e9cfc526d7ec6c133cd3d9c02b5a28d18e8701b6561117bb27d94704170d251164ac1277450725d37545
 EBUILD libcxx-20.0.0_pre20250122.ebuild 5363 BLAKE2B 36588297fc0a88b8ae1818b6a79b3c1d369fa7061ecf21820e53d5fec1c979006a47ed01d0b2bebe9434b745960b557e4c3dff3ebc65d1abe248c8a12c6f6793 SHA512 4e61de21e8803f3ae4ca834ccf297ceea653c9a256f6e9cfc526d7ec6c133cd3d9c02b5a28d18e8701b6561117bb27d94704170d251164ac1277450725d37545
+EBUILD libcxx-20.0.0_pre20250125.ebuild 5363 BLAKE2B 36588297fc0a88b8ae1818b6a79b3c1d369fa7061ecf21820e53d5fec1c979006a47ed01d0b2bebe9434b745960b557e4c3dff3ebc65d1abe248c8a12c6f6793 SHA512 4e61de21e8803f3ae4ca834ccf297ceea653c9a256f6e9cfc526d7ec6c133cd3d9c02b5a28d18e8701b6561117bb27d94704170d251164ac1277450725d37545
 MISC metadata.xml 603 BLAKE2B ed0b70336793f05ecd2c3412ccc5d25800d7aab1ed5a10223c1b181858174f87c3f87be6785cb6323b3c6413e88787d1d28347965255cd214a8ff2f0ac534de9 SHA512 34bfa522496f4c220a44f09d76562680d1a0465ee10ece62f2e96a383f70e7284549e60cbbba52c8dee37f743ee17b11777008d59f169d31555edce2261cf063
diff --git a/llvm-runtimes/libcxx/libcxx-20.0.0_pre20250125.ebuild b/llvm-runtimes/libcxx/libcxx-20.0.0_pre20250125.ebuild
new file mode 100644
index 000000000000..3bd46e20f1ca
--- /dev/null
+++ b/llvm-runtimes/libcxx/libcxx-20.0.0_pre20250125.ebuild
@@ -0,0 +1,208 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit cmake-multilib flag-o-matic llvm.org llvm-utils python-any-r1
+inherit toolchain-funcs
+
+DESCRIPTION="New implementation of the C++ standard library, targeting C++11"
+HOMEPAGE="https://libcxx.llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="0"
+IUSE="+clang +libcxxabi +static-libs test"
+REQUIRED_USE="test? ( clang )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	libcxxabi? (
+		~llvm-runtimes/libcxxabi-${PV}[static-libs?,${MULTILIB_USEDEP}]
+	)
+	!libcxxabi? ( >=sys-devel/gcc-4.7:=[cxx] )
+"
+DEPEND="
+	${RDEPEND}
+	llvm-core/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+	clang? (
+		llvm-core/clang:${LLVM_MAJOR}
+	)
+	!test? (
+		${PYTHON_DEPS}
+	)
+	test? (
+		dev-debug/gdb[python]
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+	)
+"
+
+LLVM_COMPONENTS=(
+	runtimes libcxx{,abi} libc llvm/{cmake,utils/llvm-lit} cmake
+)
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	python-any-r1_pkg_setup
+
+	if ! use libcxxabi && ! tc-is-gcc ; then
+		eerror "To build ${PN} against libsupc++, you have to use gcc. Other"
+		eerror "compilers are not supported. Please set CC=gcc and CXX=g++"
+		eerror "and try again."
+		die
+	fi
+}
+
+test_compiler() {
+	$(tc-getCXX) ${CXXFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c++ - \
+		<<<'int main() { return 0; }' &>/dev/null
+}
+
+src_configure() {
+	llvm_prepend_path "${LLVM_MAJOR}"
+
+	# note: we need to do this before multilib kicks in since it will
+	# alter the CHOST
+	local cxxabi cxxabi_incs
+	if use libcxxabi; then
+		cxxabi=system-libcxxabi
+		cxxabi_incs="${EPREFIX}/usr/include/c++/v1"
+	else
+		local gcc_inc="${EPREFIX}/usr/lib/gcc/${CHOST}/$(gcc-fullversion)/include/g++-v$(gcc-major-version)"
+		cxxabi=libsupc++
+		cxxabi_incs="${gcc_inc};${gcc_inc}/${CHOST}"
+	fi
+
+	multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+	if use clang; then
+		local -x CC=${CHOST}-clang
+		local -x CXX=${CHOST}-clang++
+		strip-unsupported-flags
+	fi
+
+	# link to compiler-rt
+	local use_compiler_rt=OFF
+	[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
+
+	# bootstrap: cmake is unhappy if compiler can't link to stdlib
+	local nolib_flags=( -nodefaultlibs -lc )
+	if ! test_compiler; then
+		if test_compiler "${nolib_flags[@]}"; then
+			local -x LDFLAGS="${LDFLAGS} ${nolib_flags[*]}"
+			ewarn "${CXX} seems to lack runtime, trying with ${nolib_flags[*]}"
+		fi
+	fi
+
+	local libdir=$(get_libdir)
+	local mycmakeargs=(
+		-DCMAKE_CXX_COMPILER_TARGET="${CHOST}"
+		-DPython3_EXECUTABLE="${PYTHON}"
+		-DLLVM_ENABLE_RUNTIMES=libcxx
+		-DLLVM_INCLUDE_TESTS=OFF
+		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+
+		-DLIBCXX_ENABLE_SHARED=ON
+		-DLIBCXX_ENABLE_STATIC=$(usex static-libs)
+		-DLIBCXX_CXX_ABI=${cxxabi}
+		-DLIBCXX_CXX_ABI_INCLUDE_PATHS=${cxxabi_incs}
+		# we're using our own mechanism for generating linker scripts
+		-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+		-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
+		-DLIBCXX_INCLUDE_BENCHMARKS=OFF
+		-DLIBCXX_INCLUDE_TESTS=$(usex test)
+		-DLIBCXX_INSTALL_MODULES=ON
+		-DLIBCXX_USE_COMPILER_RT=${use_compiler_rt}
+		# this is broken with standalone builds, and also meaningless
+		-DLIBCXXABI_USE_LLVM_UNWINDER=OFF
+	)
+
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags)"
+			-DPython3_EXECUTABLE="${PYTHON}"
+		)
+	fi
+	cmake_src_configure
+}
+
+multilib_src_compile() {
+	cmake_src_compile
+	if [[ ${CHOST} != *-darwin* ]] ; then
+		gen_shared_ldscript
+		use static-libs && gen_static_ldscript
+	fi
+}
+
+multilib_src_test() {
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build install-cxx-test-suite-prefix
+	cp "${BUILD_DIR}"/{lib,libcxx/test-suite-install/$(get_libdir)}/libc++_shared.so || die
+	if use static-libs; then
+		cp "${BUILD_DIR}"/{lib,libcxx/test-suite-install/$(get_libdir)}/libc++_static.a || die
+	fi
+	cmake_build check-cxx
+}
+
+multilib_src_install() {
+	cmake_src_install
+	# since we've replaced libc++.{a,so} with ldscripts, now we have to
+	# install the extra symlinks
+	if [[ ${CHOST} != *-darwin* ]] ; then
+		dolib.so lib/libc++_shared.so
+		use static-libs && dolib.a lib/libc++_static.a
+	fi
+}
+
+# Usage: deps
+gen_ldscript() {
+	local output_format
+	output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p')
+	[[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )"
+
+	cat <<-END_LDSCRIPT
+/* GNU ld script
+   Include missing dependencies
+*/
+${output_format}
+GROUP ( $@ )
+END_LDSCRIPT
+}
+
+gen_static_ldscript() {
+	# Move it first.
+	mv lib/libc++{,_static}.a || die
+	# Generate libc++.a ldscript for inclusion of its dependencies so that
+	# clang++ -stdlib=libc++ -static works out of the box.
+	local deps=(
+		libc++_static.a
+		$(usex libcxxabi libc++abi.a libsupc++.a)
+	)
+	# On Linux/glibc it does not link without libpthread or libdl. It is
+	# fine on FreeBSD.
+	use elibc_glibc && deps+=( libpthread.a libdl.a )
+
+	gen_ldscript "${deps[*]}" > lib/libc++.a || die
+}
+
+gen_shared_ldscript() {
+	# Move it first.
+	mv lib/libc++{,_shared}.so || die
+	local deps=(
+		libc++_shared.so
+		# libsupc++ doesn't have a shared version
+		$(usex libcxxabi libc++abi.so libsupc++.a)
+	)
+
+	gen_ldscript "${deps[*]}" > lib/libc++.so || die
+}
diff --git a/llvm-runtimes/libcxxabi/Manifest b/llvm-runtimes/libcxxabi/Manifest
index 02fb3d426d88..a278ff24d9c2 100644
--- a/llvm-runtimes/libcxxabi/Manifest
+++ b/llvm-runtimes/libcxxabi/Manifest
@@ -12,6 +12,7 @@ DIST llvm-project-19.1.6.src.tar.xz 141248428 BLAKE2B b35ab0c754f28c850ac6fd4ee5
 DIST llvm-project-19.1.6.src.tar.xz.sig 438 BLAKE2B 1791e98252ab78a9a762ef601ff9edee115385181781c8100f14ec80061d7888ee4c4c519297a0e89b9c7ab2203aa9d5bb3084ea1d0f0024c2acf84826fd370b SHA512 8e79a39a4f54da3579794f9b5a009ea8ee56c7bc1805187274794ce56e81aa492ea93f5c7839a59beedcf7d657acded5ecb75d5803658cce1f9e8f753439c6c4
 DIST llvm-project-19.1.7.src.tar.xz 141249332 BLAKE2B 1259ed7f9aca7b35e89d818befdee20fd8bed4d2dc2c2c6f6f56451fd43d35ac03a0a5a406e142d22b25137999dc5b17471c196f8fcf79f20a8296832d900f6d SHA512 c7d63286d662707a9cd54758c9e3aaf52794a91900c484c4a6efa62d90bc719d5e7a345e4192feeb0c9fd11c82570d64677c781e5be1d645556b6aa018e47ec8
 DIST llvm-project-19.1.7.src.tar.xz.sig 438 BLAKE2B 4015140f4ba77de45039bdbdfbaf6f30e75705123d067ea97175d91d7a5b6a75008df01d99ae7aa16aaa3b101f3f41e38d01f04158f95a261d617b3ede0254cd SHA512 195797b06ac80a742e0ccbc03a50dc06dd2e04377d783d5474e3e72c5a75203b60292b047929312a411d22b137a239943fba414a4d136a2be14cbff978eb6bda
+DIST llvm-project-1f26ac10ca1bef40a80be8f81a6f109713bc586f.tar.gz 226424755 BLAKE2B 642befb8d6923f335d1d68129ebb7357f8ba22e110df494dd956c8097e4e5db4b2a88fcc069ab67184b03558f072c68e002bdaf90eba865e38b1473a0ef29eed SHA512 e9bb4fd31bbad5ec864c662515b5ec2e5511cce975040f9f3cd8f009c92f76077928feae0467fd9519a001a379c857f7539c506953d8d5a9209a9f358f414aac
 DIST llvm-project-8af4d206e0f979f68925a08f9dffd60a98ce97e2.tar.gz 224825146 BLAKE2B 36e9c8f9615d65fc72beb699c4ce5959676975267a4c4288a01009d26ab84ae411f2855e4e6475957b91ddc21da29251ab22e331395bc9fee0f9bc907a05384a SHA512 ec72cdd7cc6d9bef31ae9295606d18e4935468fe60ab632aced21261d437e76f11d83d0d7199a6028689990260d9155098f7d64e97db0e0af28ea6c75a773bcc
 DIST llvm-project-97c3a990f05606cb807faf53bc41302fb62c7980.tar.gz 226261635 BLAKE2B 9dd0bdfaa6ee984747f2d9d8b9606cd8d2e75fa64d45fd7c87227ddca7cffe888a1d932d73c123b25360690fd687554cc333fb3d871ab0e72ddd2b1158bae2e0 SHA512 466ae8aea014fd396f3fd6b77055238a672f012b79f25ed0b215e01f968a56dd4eeaf148d03246701b1ac4cbb8f02a4325142d6e5503fb6231e330c2e49e28e7
 DIST llvm-project-c3a935e3f967f8f22f5db240d145459ee621c1e0.tar.gz 225133913 BLAKE2B ced922010bad14df6bce0dbbb9323ee3cc9d7bf2f764f8c982d134d7a97e38d84b0b81635bbb16031aa1899c744e7c036cec5d1957733bbed7a2f18f89db0b6f SHA512 0ea083defb3c0ecaa5d8d28682f140c68ec6b3ab6cbfc60fc38a9265a8eb88b618c075d6ae03170ed54c5e7dcb3b7003eaacea2fcb115e9864b64a17cea0013d
@@ -26,4 +27,5 @@ EBUILD libcxxabi-20.0.0.9999.ebuild 2668 BLAKE2B 9ffadc339e9408cc9ad1a4994745ffc
 EBUILD libcxxabi-20.0.0_pre20250111.ebuild 2668 BLAKE2B 8971ce9199694dd4b545281f08feffd0d32794f2c0c1ef5d02020e0ce60813ceba0ff0d6e2734e5ba08137101234054fb398cb8df83ce28d4639f5b083720589 SHA512 fe7e1422ebd3710965dc509562a4222a0356291031fac5510e607f1d0d775a40e7feb86e1ae3dd6469d703433b314fd729e7a02935ebf69dfd8228ad035ff650
 EBUILD libcxxabi-20.0.0_pre20250118.ebuild 2668 BLAKE2B 8971ce9199694dd4b545281f08feffd0d32794f2c0c1ef5d02020e0ce60813ceba0ff0d6e2734e5ba08137101234054fb398cb8df83ce28d4639f5b083720589 SHA512 fe7e1422ebd3710965dc509562a4222a0356291031fac5510e607f1d0d775a40e7feb86e1ae3dd6469d703433b314fd729e7a02935ebf69dfd8228ad035ff650
 EBUILD libcxxabi-20.0.0_pre20250122.ebuild 2668 BLAKE2B 8971ce9199694dd4b545281f08feffd0d32794f2c0c1ef5d02020e0ce60813ceba0ff0d6e2734e5ba08137101234054fb398cb8df83ce28d4639f5b083720589 SHA512 fe7e1422ebd3710965dc509562a4222a0356291031fac5510e607f1d0d775a40e7feb86e1ae3dd6469d703433b314fd729e7a02935ebf69dfd8228ad035ff650
+EBUILD libcxxabi-20.0.0_pre20250125.ebuild 2668 BLAKE2B 8971ce9199694dd4b545281f08feffd0d32794f2c0c1ef5d02020e0ce60813ceba0ff0d6e2734e5ba08137101234054fb398cb8df83ce28d4639f5b083720589 SHA512 fe7e1422ebd3710965dc509562a4222a0356291031fac5510e607f1d0d775a40e7feb86e1ae3dd6469d703433b314fd729e7a02935ebf69dfd8228ad035ff650
 MISC metadata.xml 438 BLAKE2B 0a830a06a53a6cdaf138ad7620fe366fae05c1c1451267d6a58caf7da5ce8f5a26d302fab53b9460920074ab5a65991d3bd24fde087809e8dc12188dd94c7676 SHA512 d53e13c497569636fb453a159c5ca5ddfabf8e5debd5f92e5149c52d54c876753842ab73293d6d08e2d9b279363b4f0c743eed3a5027a61246c6b60496be8e87
diff --git a/llvm-runtimes/libcxxabi/libcxxabi-20.0.0_pre20250125.ebuild b/llvm-runtimes/libcxxabi/libcxxabi-20.0.0_pre20250125.ebuild
new file mode 100644
index 000000000000..412d927e8b49
--- /dev/null
+++ b/llvm-runtimes/libcxxabi/libcxxabi-20.0.0_pre20250125.ebuild
@@ -0,0 +1,109 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit cmake-multilib flag-o-matic llvm.org llvm-utils python-any-r1
+inherit toolchain-funcs
+
+DESCRIPTION="Low level support for a standard C++ library"
+HOMEPAGE="https://libcxxabi.llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="0"
+IUSE="+clang +static-libs test"
+REQUIRED_USE="test? ( clang )"
+RESTRICT="!test? ( test )"
+
+# in 15.x, cxxabi.h is moving from libcxx to libcxxabi
+RDEPEND+="
+	!<llvm-runtimes/libcxx-15
+"
+DEPEND="
+	${RDEPEND}
+	llvm-core/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+	clang? (
+		llvm-core/clang:${LLVM_MAJOR}
+	)
+	!test? (
+		${PYTHON_DEPS}
+	)
+	test? (
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+	)
+"
+
+LLVM_COMPONENTS=( runtimes libcxx{abi,} llvm/cmake cmake )
+LLVM_TEST_COMPONENTS=( libc llvm/utils/llvm-lit )
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+multilib_src_configure() {
+	llvm_prepend_path "${LLVM_MAJOR}"
+
+	if use clang; then
+		local -x CC=${CHOST}-clang
+		local -x CXX=${CHOST}-clang++
+		strip-unsupported-flags
+	fi
+
+	# link to compiler-rt
+	local use_compiler_rt=OFF
+	[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
+
+	local libdir=$(get_libdir)
+	local mycmakeargs=(
+		-DCMAKE_CXX_COMPILER_TARGET="${CHOST}"
+		-DPython3_EXECUTABLE="${PYTHON}"
+		-DLLVM_ENABLE_RUNTIMES="libcxxabi;libcxx"
+		-DLLVM_INCLUDE_TESTS=OFF
+		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+		-DLIBCXXABI_ENABLE_SHARED=ON
+		-DLIBCXXABI_ENABLE_STATIC=$(usex static-libs)
+		-DLIBCXXABI_INCLUDE_TESTS=$(usex test)
+		-DLIBCXXABI_USE_COMPILER_RT=${use_compiler_rt}
+
+		# upstream is omitting standard search path for this
+		# probably because gcc & clang are bundling their own unwind.h
+		-DLIBCXXABI_LIBUNWIND_INCLUDES="${EPREFIX}"/usr/include
+		# this is broken with standalone builds, and also meaningless
+		-DLIBCXXABI_USE_LLVM_UNWINDER=OFF
+
+		-DLIBCXX_ENABLE_SHARED=ON
+		-DLIBCXX_ENABLE_STATIC=OFF
+		-DLIBCXX_CXX_ABI=libcxxabi
+		-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+		-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
+		-DLIBCXX_HAS_GCC_S_LIB=OFF
+		-DLIBCXX_INCLUDE_BENCHMARKS=OFF
+		-DLIBCXX_INCLUDE_TESTS=OFF
+	)
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags)"
+			-DPython3_EXECUTABLE="${PYTHON}"
+		)
+	fi
+	cmake_src_configure
+}
+
+multilib_src_compile() {
+	cmake_build cxxabi
+}
+
+multilib_src_test() {
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-cxxabi
+}
+
+multilib_src_install() {
+	DESTDIR="${D}" cmake_build install-cxxabi
+}
diff --git a/llvm-runtimes/libunwind/Manifest b/llvm-runtimes/libunwind/Manifest
index babda486038f..262ebfe4cc12 100644
--- a/llvm-runtimes/libunwind/Manifest
+++ b/llvm-runtimes/libunwind/Manifest
@@ -12,6 +12,7 @@ DIST llvm-project-19.1.6.src.tar.xz 141248428 BLAKE2B b35ab0c754f28c850ac6fd4ee5
 DIST llvm-project-19.1.6.src.tar.xz.sig 438 BLAKE2B 1791e98252ab78a9a762ef601ff9edee115385181781c8100f14ec80061d7888ee4c4c519297a0e89b9c7ab2203aa9d5bb3084ea1d0f0024c2acf84826fd370b SHA512 8e79a39a4f54da3579794f9b5a009ea8ee56c7bc1805187274794ce56e81aa492ea93f5c7839a59beedcf7d657acded5ecb75d5803658cce1f9e8f753439c6c4
 DIST llvm-project-19.1.7.src.tar.xz 141249332 BLAKE2B 1259ed7f9aca7b35e89d818befdee20fd8bed4d2dc2c2c6f6f56451fd43d35ac03a0a5a406e142d22b25137999dc5b17471c196f8fcf79f20a8296832d900f6d SHA512 c7d63286d662707a9cd54758c9e3aaf52794a91900c484c4a6efa62d90bc719d5e7a345e4192feeb0c9fd11c82570d64677c781e5be1d645556b6aa018e47ec8
 DIST llvm-project-19.1.7.src.tar.xz.sig 438 BLAKE2B 4015140f4ba77de45039bdbdfbaf6f30e75705123d067ea97175d91d7a5b6a75008df01d99ae7aa16aaa3b101f3f41e38d01f04158f95a261d617b3ede0254cd SHA512 195797b06ac80a742e0ccbc03a50dc06dd2e04377d783d5474e3e72c5a75203b60292b047929312a411d22b137a239943fba414a4d136a2be14cbff978eb6bda
+DIST llvm-project-1f26ac10ca1bef40a80be8f81a6f109713bc586f.tar.gz 226424755 BLAKE2B 642befb8d6923f335d1d68129ebb7357f8ba22e110df494dd956c8097e4e5db4b2a88fcc069ab67184b03558f072c68e002bdaf90eba865e38b1473a0ef29eed SHA512 e9bb4fd31bbad5ec864c662515b5ec2e5511cce975040f9f3cd8f009c92f76077928feae0467fd9519a001a379c857f7539c506953d8d5a9209a9f358f414aac
 DIST llvm-project-8af4d206e0f979f68925a08f9dffd60a98ce97e2.tar.gz 224825146 BLAKE2B 36e9c8f9615d65fc72beb699c4ce5959676975267a4c4288a01009d26ab84ae411f2855e4e6475957b91ddc21da29251ab22e331395bc9fee0f9bc907a05384a SHA512 ec72cdd7cc6d9bef31ae9295606d18e4935468fe60ab632aced21261d437e76f11d83d0d7199a6028689990260d9155098f7d64e97db0e0af28ea6c75a773bcc
 DIST llvm-project-97c3a990f05606cb807faf53bc41302fb62c7980.tar.gz 226261635 BLAKE2B 9dd0bdfaa6ee984747f2d9d8b9606cd8d2e75fa64d45fd7c87227ddca7cffe888a1d932d73c123b25360690fd687554cc333fb3d871ab0e72ddd2b1158bae2e0 SHA512 466ae8aea014fd396f3fd6b77055238a672f012b79f25ed0b215e01f968a56dd4eeaf148d03246701b1ac4cbb8f02a4325142d6e5503fb6231e330c2e49e28e7
 DIST llvm-project-c3a935e3f967f8f22f5db240d145459ee621c1e0.tar.gz 225133913 BLAKE2B ced922010bad14df6bce0dbbb9323ee3cc9d7bf2f764f8c982d134d7a97e38d84b0b81635bbb16031aa1899c744e7c036cec5d1957733bbed7a2f18f89db0b6f SHA512 0ea083defb3c0ecaa5d8d28682f140c68ec6b3ab6cbfc60fc38a9265a8eb88b618c075d6ae03170ed54c5e7dcb3b7003eaacea2fcb115e9864b64a17cea0013d
@@ -26,4 +27,5 @@ EBUILD libunwind-20.0.0.9999.ebuild 3321 BLAKE2B f3fda113e68697815263dd9a53b6ac1
 EBUILD libunwind-20.0.0_pre20250111.ebuild 3321 BLAKE2B 94a670819b3cc94bd6707c8340d066d887e166df10b7fa77042d4df60908811367828d145a5a7b7be9d9ca714c30fe6753101f31792b755ffddfe0e0a5e7e2d4 SHA512 29c5c65f079393d408171407b93af3f295c4f26be7a054ca6d49248af50f3a4ebe85c5edebbaa11aecc379a101a994041d53036a5d3776775b33cdcc07569a7e
 EBUILD libunwind-20.0.0_pre20250118.ebuild 3321 BLAKE2B 94a670819b3cc94bd6707c8340d066d887e166df10b7fa77042d4df60908811367828d145a5a7b7be9d9ca714c30fe6753101f31792b755ffddfe0e0a5e7e2d4 SHA512 29c5c65f079393d408171407b93af3f295c4f26be7a054ca6d49248af50f3a4ebe85c5edebbaa11aecc379a101a994041d53036a5d3776775b33cdcc07569a7e
 EBUILD libunwind-20.0.0_pre20250122.ebuild 3321 BLAKE2B 94a670819b3cc94bd6707c8340d066d887e166df10b7fa77042d4df60908811367828d145a5a7b7be9d9ca714c30fe6753101f31792b755ffddfe0e0a5e7e2d4 SHA512 29c5c65f079393d408171407b93af3f295c4f26be7a054ca6d49248af50f3a4ebe85c5edebbaa11aecc379a101a994041d53036a5d3776775b33cdcc07569a7e
+EBUILD libunwind-20.0.0_pre20250125.ebuild 3321 BLAKE2B 94a670819b3cc94bd6707c8340d066d887e166df10b7fa77042d4df60908811367828d145a5a7b7be9d9ca714c30fe6753101f31792b755ffddfe0e0a5e7e2d4 SHA512 29c5c65f079393d408171407b93af3f295c4f26be7a054ca6d49248af50f3a4ebe85c5edebbaa11aecc379a101a994041d53036a5d3776775b33cdcc07569a7e
 MISC metadata.xml 438 BLAKE2B 2a36fbbc59e137056029c62aef6d167d9c82531c2582d7bad5cb13cc36e5c4c9518ffe8c56d06bbcfd97ad22eda71a8b776f3984195f53d06cf45659b438dc00 SHA512 4f18b054072d00e5440faa31a59f9ef587d035b5f25e30913f0b1449debee967fa794fae2548e87db3fb2177ce853ab075e1f11f3cc763f5d7fdf06147108845
diff --git a/llvm-runtimes/libunwind/libunwind-20.0.0_pre20250125.ebuild b/llvm-runtimes/libunwind/libunwind-20.0.0_pre20250125.ebuild
new file mode 100644
index 000000000000..4a6714b162db
--- /dev/null
+++ b/llvm-runtimes/libunwind/libunwind-20.0.0_pre20250125.ebuild
@@ -0,0 +1,128 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit cmake-multilib flag-o-matic llvm.org llvm-utils python-any-r1
+inherit toolchain-funcs
+
+DESCRIPTION="C++ runtime stack unwinder from LLVM"
+HOMEPAGE="https://llvm.org/docs/ExceptionHandling.html"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="0"
+IUSE="+clang +debug static-libs test"
+REQUIRED_USE="test? ( clang )"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	!sys-libs/libunwind
+"
+DEPEND="
+	llvm-core/llvm:${LLVM_MAJOR}
+"
+BDEPEND="
+	clang? (
+		llvm-core/clang:${LLVM_MAJOR}
+	)
+	!test? (
+		${PYTHON_DEPS}
+	)
+	test? (
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+	)
+"
+
+LLVM_COMPONENTS=( runtimes libunwind libcxx llvm/cmake cmake )
+LLVM_TEST_COMPONENTS=( libc libcxxabi llvm/utils/llvm-lit )
+llvm.org_set_globals
+
+python_check_deps() {
+	use test || return 0
+	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+multilib_src_configure() {
+	llvm_prepend_path "${LLVM_MAJOR}"
+
+	local libdir=$(get_libdir)
+
+	# https://github.com/llvm/llvm-project/issues/56825
+	# also separately bug #863917
+	filter-lto
+
+	if use clang; then
+		local -x CC=${CHOST}-clang
+		local -x CXX=${CHOST}-clang++
+		strip-unsupported-flags
+	fi
+
+	# link to compiler-rt
+	# https://github.com/gentoo/gentoo/pull/21516
+	local use_compiler_rt=OFF
+	[[ $(tc-get-c-rtlib) == compiler-rt ]] && use_compiler_rt=ON
+
+	# Respect upstream build type assumptions (bug #910436) where they do:
+	# -DLIBUNWIND_ENABLE_ASSERTIONS=ON =>
+	#       -DCMAKE_BUILD_TYPE=DEBUG  => -UNDEBUG
+	#       -DCMAKE_BUILD_TYPE!=debug => -DNDEBUG
+	# -DLIBUNWIND_ENABLE_ASSERTIONS=OFF =>
+	#       -UNDEBUG
+	# See also https://github.com/llvm/llvm-project/issues/86#issuecomment-1649668826.
+	use debug || append-cppflags -DNDEBUG
+
+	local mycmakeargs=(
+		-DCMAKE_CXX_COMPILER_TARGET="${CHOST}"
+		-DPython3_EXECUTABLE="${PYTHON}"
+		-DLLVM_ENABLE_RUNTIMES="libunwind"
+		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+		-DLLVM_INCLUDE_TESTS=OFF
+		-DLIBUNWIND_ENABLE_ASSERTIONS=$(usex debug)
+		-DLIBUNWIND_ENABLE_STATIC=$(usex static-libs)
+		-DLIBUNWIND_INCLUDE_TESTS=$(usex test)
+		-DLIBUNWIND_INSTALL_HEADERS=ON
+
+		# support non-native unwinding; given it's small enough,
+		# enable it unconditionally
+		-DLIBUNWIND_ENABLE_CROSS_UNWINDING=ON
+
+		# avoid dependency on libgcc_s if compiler-rt is used
+		-DLIBUNWIND_USE_COMPILER_RT=${use_compiler_rt}
+	)
+	if use test; then
+		mycmakeargs+=(
+			-DLLVM_ENABLE_RUNTIMES="libunwind;libcxxabi;libcxx"
+			-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+			-DLLVM_LIT_ARGS="$(get_lit_flags)"
+			-DLIBUNWIND_LIBCXX_PATH="${WORKDIR}/libcxx"
+
+			-DLIBCXXABI_LIBDIR_SUFFIX=
+			-DLIBCXXABI_ENABLE_SHARED=OFF
+			-DLIBCXXABI_ENABLE_STATIC=ON
+			-DLIBCXXABI_USE_LLVM_UNWINDER=ON
+			-DLIBCXXABI_INCLUDE_TESTS=OFF
+
+			-DLIBCXX_LIBDIR_SUFFIX=
+			-DLIBCXX_ENABLE_SHARED=OFF
+			-DLIBCXX_ENABLE_STATIC=ON
+			-DLIBCXX_CXX_ABI=libcxxabi
+			-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF
+			-DLIBCXX_HAS_MUSL_LIBC=$(usex elibc_musl)
+			-DLIBCXX_HAS_GCC_S_LIB=OFF
+			-DLIBCXX_INCLUDE_TESTS=OFF
+			-DLIBCXX_INCLUDE_BENCHMARKS=OFF
+		)
+	fi
+
+	cmake_src_configure
+}
+
+multilib_src_test() {
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-unwind
+}
+
+multilib_src_install() {
+	DESTDIR=${D} cmake_build install-unwind
+}
diff --git a/llvm-runtimes/offload/Manifest b/llvm-runtimes/offload/Manifest
index b75fa260f306..b21b92390f0c 100644
--- a/llvm-runtimes/offload/Manifest
+++ b/llvm-runtimes/offload/Manifest
@@ -2,13 +2,15 @@ DIST llvm-project-19.1.6.src.tar.xz 141248428 BLAKE2B b35ab0c754f28c850ac6fd4ee5
 DIST llvm-project-19.1.6.src.tar.xz.sig 438 BLAKE2B 1791e98252ab78a9a762ef601ff9edee115385181781c8100f14ec80061d7888ee4c4c519297a0e89b9c7ab2203aa9d5bb3084ea1d0f0024c2acf84826fd370b SHA512 8e79a39a4f54da3579794f9b5a009ea8ee56c7bc1805187274794ce56e81aa492ea93f5c7839a59beedcf7d657acded5ecb75d5803658cce1f9e8f753439c6c4
 DIST llvm-project-19.1.7.src.tar.xz 141249332 BLAKE2B 1259ed7f9aca7b35e89d818befdee20fd8bed4d2dc2c2c6f6f56451fd43d35ac03a0a5a406e142d22b25137999dc5b17471c196f8fcf79f20a8296832d900f6d SHA512 c7d63286d662707a9cd54758c9e3aaf52794a91900c484c4a6efa62d90bc719d5e7a345e4192feeb0c9fd11c82570d64677c781e5be1d645556b6aa018e47ec8
 DIST llvm-project-19.1.7.src.tar.xz.sig 438 BLAKE2B 4015140f4ba77de45039bdbdfbaf6f30e75705123d067ea97175d91d7a5b6a75008df01d99ae7aa16aaa3b101f3f41e38d01f04158f95a261d617b3ede0254cd SHA512 195797b06ac80a742e0ccbc03a50dc06dd2e04377d783d5474e3e72c5a75203b60292b047929312a411d22b137a239943fba414a4d136a2be14cbff978eb6bda
+DIST llvm-project-1f26ac10ca1bef40a80be8f81a6f109713bc586f.tar.gz 226424755 BLAKE2B 642befb8d6923f335d1d68129ebb7357f8ba22e110df494dd956c8097e4e5db4b2a88fcc069ab67184b03558f072c68e002bdaf90eba865e38b1473a0ef29eed SHA512 e9bb4fd31bbad5ec864c662515b5ec2e5511cce975040f9f3cd8f009c92f76077928feae0467fd9519a001a379c857f7539c506953d8d5a9209a9f358f414aac
 DIST llvm-project-8af4d206e0f979f68925a08f9dffd60a98ce97e2.tar.gz 224825146 BLAKE2B 36e9c8f9615d65fc72beb699c4ce5959676975267a4c4288a01009d26ab84ae411f2855e4e6475957b91ddc21da29251ab22e331395bc9fee0f9bc907a05384a SHA512 ec72cdd7cc6d9bef31ae9295606d18e4935468fe60ab632aced21261d437e76f11d83d0d7199a6028689990260d9155098f7d64e97db0e0af28ea6c75a773bcc
 DIST llvm-project-97c3a990f05606cb807faf53bc41302fb62c7980.tar.gz 226261635 BLAKE2B 9dd0bdfaa6ee984747f2d9d8b9606cd8d2e75fa64d45fd7c87227ddca7cffe888a1d932d73c123b25360690fd687554cc333fb3d871ab0e72ddd2b1158bae2e0 SHA512 466ae8aea014fd396f3fd6b77055238a672f012b79f25ed0b215e01f968a56dd4eeaf148d03246701b1ac4cbb8f02a4325142d6e5503fb6231e330c2e49e28e7
 DIST llvm-project-c3a935e3f967f8f22f5db240d145459ee621c1e0.tar.gz 225133913 BLAKE2B ced922010bad14df6bce0dbbb9323ee3cc9d7bf2f764f8c982d134d7a97e38d84b0b81635bbb16031aa1899c744e7c036cec5d1957733bbed7a2f18f89db0b6f SHA512 0ea083defb3c0ecaa5d8d28682f140c68ec6b3ab6cbfc60fc38a9265a8eb88b618c075d6ae03170ed54c5e7dcb3b7003eaacea2fcb115e9864b64a17cea0013d
 EBUILD offload-19.1.6.ebuild 4284 BLAKE2B 8eb5087b58a05270257b75a3522b5d3bed67d2c53127d26b1c112be6af959e17cf3e47a415b839bf16d1cd12b25a5da8765f0f2820f28a768c34486bded4716c SHA512 c113267fda6a4ffae225e1ebdfff84ebc847cda967f992ee56dd4c9995670639767f71f9ce5d352373e9c9c8d8d6f4dafa5bf4242376865c82e1394a5dca9f81
 EBUILD offload-19.1.7.ebuild 4284 BLAKE2B 6fce2fa218c6bd67359599eda594bf90f56f67fd5bcf630f31c227b7de11829da505deb1af82950b500d618352c0b1f2e2c07c4ce151d640d9079a8fda6312bc SHA512 a9e707bbbf53b9dc284cdc4ea70160db8fd4ae732f150790c0cdb04cb7c1d1aba71bc171d6029a8a6971cf8314bda3c50a45a88cb466d19201c2a018992b1791
-EBUILD offload-20.0.0.9999.ebuild 3934 BLAKE2B 9ac1571296b78bdcc1f3c7108962181fd3630e6052d4d9bed39ae4c335a62920d7b1347fc52df4ae8fba37c799027da13441bc6309a9629eaec1332e5fcf84a9 SHA512 db745650bb54fd0319c1d0b0196a3b714a0185844578a01f280f473f8fb874b991d817f01bf3740fcaae32cfe228c410186f9fb2a6ede9a74cff6cd32f859b47
+EBUILD offload-20.0.0.9999.ebuild 3814 BLAKE2B 723d81be97e67f60a47c332e659b4dea5ed36d14738817f29e4bab4ed596b744e49d1b3acd71cc8c9d9d604ac985060863a08d96551bbdff41ca234d7ec046ae SHA512 a3a3fda2cb2b2eb3a2aa3e29ab5b3da3d76b58e392cc4f28fdd5c90c40849ca65ff9c9ac180cd495b036a3d57214f2379794bda6c0d2d16fc752576ef09425f0
 EBUILD offload-20.0.0_pre20250111.ebuild 3934 BLAKE2B b6a812e9c2d9fd6dd6b3baf0eb93ba02df81c9b054d0f1b3259d0a1abf58def752e004659fc75d41ab6096d9593f13436986cc029379b3fa529114dbd2f38a5a SHA512 4dabdf7c290041662c2ce552d2920ea666a0afddfb794fdbb909add2e9d6e1486e5e0f05c3952dd0d4df385218ce133ca5dbdc72bd423f1ed1a8559d44aabb1e
 EBUILD offload-20.0.0_pre20250118.ebuild 3934 BLAKE2B b6a812e9c2d9fd6dd6b3baf0eb93ba02df81c9b054d0f1b3259d0a1abf58def752e004659fc75d41ab6096d9593f13436986cc029379b3fa529114dbd2f38a5a SHA512 4dabdf7c290041662c2ce552d2920ea666a0afddfb794fdbb909add2e9d6e1486e5e0f05c3952dd0d4df385218ce133ca5dbdc72bd423f1ed1a8559d44aabb1e
 EBUILD offload-20.0.0_pre20250122.ebuild 3934 BLAKE2B b6a812e9c2d9fd6dd6b3baf0eb93ba02df81c9b054d0f1b3259d0a1abf58def752e004659fc75d41ab6096d9593f13436986cc029379b3fa529114dbd2f38a5a SHA512 4dabdf7c290041662c2ce552d2920ea666a0afddfb794fdbb909add2e9d6e1486e5e0f05c3952dd0d4df385218ce133ca5dbdc72bd423f1ed1a8559d44aabb1e
+EBUILD offload-20.0.0_pre20250125.ebuild 3814 BLAKE2B 723d81be97e67f60a47c332e659b4dea5ed36d14738817f29e4bab4ed596b744e49d1b3acd71cc8c9d9d604ac985060863a08d96551bbdff41ca234d7ec046ae SHA512 a3a3fda2cb2b2eb3a2aa3e29ab5b3da3d76b58e392cc4f28fdd5c90c40849ca65ff9c9ac180cd495b036a3d57214f2379794bda6c0d2d16fc752576ef09425f0
 MISC metadata.xml 379 BLAKE2B 2b4c75d4ec6e126d887b736ea978c4b34683a347252f408c9d1f5f55c6c1bead7b7f9533812806f816538d8abaa00ded4d439dbe626d3f2cf09b78a3674e41bd SHA512 d49054d4b5a1a051d83f1ef397a7925fb36ee3092668d134e6ed5c1218bf5d67a43145b689709677643da070a783ec9f8705b37f15587475829fe185634af1d4
diff --git a/llvm-runtimes/offload/offload-20.0.0.9999.ebuild b/llvm-runtimes/offload/offload-20.0.0.9999.ebuild
index e215172e31f1..77e2f9dc1763 100644
--- a/llvm-runtimes/offload/offload-20.0.0.9999.ebuild
+++ b/llvm-runtimes/offload/offload-20.0.0.9999.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2024 Gentoo Authors
+# Copyright 1999-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -30,8 +30,8 @@ DEPEND="
 BDEPEND="
 	dev-lang/perl
 	virtual/pkgconfig
-	llvm_targets_AMDGPU? ( llvm-core/clang )
-	llvm_targets_NVPTX? ( llvm-core/clang )
+	llvm_targets_AMDGPU? ( llvm-core/clang[llvm_targets_AMDGPU] )
+	llvm_targets_NVPTX? ( llvm-core/clang[llvm_targets_NVPTX] )
 	test? (
 		$(python_gen_any_dep '
 			dev-python/lit[${PYTHON_USEDEP}]
@@ -79,21 +79,17 @@ src_configure() {
 	local ffi_cflags=$($(tc-getPKG_CONFIG) --cflags-only-I libffi)
 	local ffi_ldflags=$($(tc-getPKG_CONFIG) --libs-only-L libffi)
 	local plugins="host"
-	local gpus=
 	local build_devicertl=FALSE
 
 	if has "${CHOST%%-*}" aarch64 powerpc64le x86_64; then
 		if use llvm_targets_AMDGPU; then
 			plugins+=";amdgpu"
 			build_devicertl=TRUE
-			gpus+="amdgpu"
 		fi
 		if use llvm_targets_NVPTX; then
 			plugins+=";cuda"
 			build_devicertl=TRUE
-			gpus+="nvptx"
 		fi
-		[[ ${gpus} == amdgpunvptx ]] && gpus=all
 	fi
 
 	local mycmakeargs=(
@@ -116,9 +112,6 @@ src_configure() {
 		-DLIBOMPTARGET_AMDGPU_ARCH=LIBOMPTARGET_AMDGPU_ARCH-NOTFOUND
 		-DLIBOMPTARGET_NVPTX_ARCH=LIBOMPTARGET_NVPTX_ARCH-NOTFOUND
 	)
-	[[ -n ${gpus} ]] && mycmakeargs+=(
-		-DLIBOMPTARGET_DEVICE_ARCHITECTURES="${gpus}"
-	)
 	use test && mycmakeargs+=(
 		# this project does not use standard LLVM cmake macros
 		-DOPENMP_LLVM_LIT_EXECUTABLE="${EPREFIX}/usr/bin/lit"
@@ -132,7 +125,7 @@ src_configure() {
 
 	cmake_src_configure
 
-	if [[ -z ${gpus} ]]; then
+	if [[ ${build_devicertl} == FALSE ]]; then
 		# clang requires libomptarget.devicertl.a, but it can be empty
 		> "${BUILD_DIR}"/libomptarget.devicertl.a || die
 	fi
diff --git a/llvm-runtimes/offload/offload-20.0.0_pre20250125.ebuild b/llvm-runtimes/offload/offload-20.0.0_pre20250125.ebuild
new file mode 100644
index 000000000000..77e2f9dc1763
--- /dev/null
+++ b/llvm-runtimes/offload/offload-20.0.0_pre20250125.ebuild
@@ -0,0 +1,148 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit cmake flag-o-matic llvm.org python-any-r1 toolchain-funcs
+
+DESCRIPTION="OpenMP offloading support"
+HOMEPAGE="https://openmp.llvm.org"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="0/${LLVM_SOABI}"
+IUSE="+debug ompt test llvm_targets_AMDGPU llvm_targets_NVPTX"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	dev-libs/libffi:=
+	~llvm-core/llvm-${PV}
+	~llvm-runtimes/openmp-${PV}[ompt?]
+	llvm_targets_AMDGPU? ( dev-libs/rocr-runtime:= )
+"
+DEPEND="
+	${RDEPEND}
+"
+# 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
+BDEPEND="
+	dev-lang/perl
+	virtual/pkgconfig
+	llvm_targets_AMDGPU? ( llvm-core/clang[llvm_targets_AMDGPU] )
+	llvm_targets_NVPTX? ( llvm-core/clang[llvm_targets_NVPTX] )
+	test? (
+		$(python_gen_any_dep '
+			dev-python/lit[${PYTHON_USEDEP}]
+		')
+		llvm-core/clang
+	)
+"
+# TODO: can it be fixed to compile with gcc?
+BDEPEND+="
+	llvm-core/clang
+"
+
+LLVM_COMPONENTS=( offload cmake runtimes/cmake libc/shared )
+LLVM_TEST_COMPONENTS=( openmp/cmake )
+llvm.org_set_globals
+
+pkg_pretend() {
+	if [[ ${LLVM_ALLOW_GPU_TESTING} ]]; then
+		ewarn "LLVM_ALLOW_GPU_TESTING set.  This package will run tests against your"
+		ewarn "GPU if it is supported.  Note that these tests may be flaky, fail or"
+		ewarn "hang, or even cause your GPU to crash (requiring a reboot)."
+	fi
+}
+
+python_check_deps() {
+	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	if use test; then
+		python-any-r1_pkg_setup
+	fi
+}
+
+src_configure() {
+	# TODO
+	local -x CC=${CHOST}-clang
+	local -x CXX=${CHOST}-clang++
+	strip-unsupported-flags
+
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+	local libdir="$(get_libdir)"
+	local ffi_cflags=$($(tc-getPKG_CONFIG) --cflags-only-I libffi)
+	local ffi_ldflags=$($(tc-getPKG_CONFIG) --libs-only-L libffi)
+	local plugins="host"
+	local build_devicertl=FALSE
+
+	if has "${CHOST%%-*}" aarch64 powerpc64le x86_64; then
+		if use llvm_targets_AMDGPU; then
+			plugins+=";amdgpu"
+			build_devicertl=TRUE
+		fi
+		if use llvm_targets_NVPTX; then
+			plugins+=";cuda"
+			build_devicertl=TRUE
+		fi
+	fi
+
+	local mycmakeargs=(
+		-DLLVM_ROOT="${ESYSROOT}/usr/lib/llvm/${LLVM_MAJOR}"
+
+		-DOFFLOAD_LIBDIR_SUFFIX="${libdir#lib}"
+		-DLIBOMPTARGET_PLUGINS_TO_BUILD="${plugins}"
+		-DLIBOMPTARGET_OMPT_SUPPORT="$(usex ompt)"
+		-DLIBOMPTARGET_BUILD_DEVICERTL_BCLIB="${build_devicertl}"
+
+		# this breaks building static target libs
+		-DBUILD_SHARED_LIBS=OFF
+
+		-DFFI_INCLUDE_DIR="${ffi_cflags#-I}"
+		-DFFI_LIBRARY_DIR="${ffi_ldflags#-L}"
+	)
+
+	[[ ! ${LLVM_ALLOW_GPU_TESTING} ]] && mycmakeargs+=(
+		# prevent trying to access the GPU
+		-DLIBOMPTARGET_AMDGPU_ARCH=LIBOMPTARGET_AMDGPU_ARCH-NOTFOUND
+		-DLIBOMPTARGET_NVPTX_ARCH=LIBOMPTARGET_NVPTX_ARCH-NOTFOUND
+	)
+	use test && mycmakeargs+=(
+		# this project does not use standard LLVM cmake macros
+		-DOPENMP_LLVM_LIT_EXECUTABLE="${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++")"
+		# requires flang
+		-DOPENMP_TEST_Fortran_COMPILER=
+	)
+
+	cmake_src_configure
+
+	if [[ ${build_devicertl} == FALSE ]]; then
+		# clang requires libomptarget.devicertl.a, but it can be empty
+		> "${BUILD_DIR}"/libomptarget.devicertl.a || die
+	fi
+}
+
+src_test() {
+	# respect TMPDIR!
+	local -x LIT_PRESERVES_TMP=1
+
+	cmake_build check-offload
+}
+
+src_install() {
+	cmake_src_install
+
+	if [[ ! -f ${ED}/usr/$(get_libdir)/libomptarget.devicertl.a ]]
+	then
+		dolib.a "${BUILD_DIR}"/libomptarget.devicertl.a
+	fi
+}
diff --git a/llvm-runtimes/openmp/Manifest b/llvm-runtimes/openmp/Manifest
index ae69543d1ebe..e1b4908444d7 100644
--- a/llvm-runtimes/openmp/Manifest
+++ b/llvm-runtimes/openmp/Manifest
@@ -13,6 +13,7 @@ DIST llvm-project-19.1.6.src.tar.xz 141248428 BLAKE2B b35ab0c754f28c850ac6fd4ee5
 DIST llvm-project-19.1.6.src.tar.xz.sig 438 BLAKE2B 1791e98252ab78a9a762ef601ff9edee115385181781c8100f14ec80061d7888ee4c4c519297a0e89b9c7ab2203aa9d5bb3084ea1d0f0024c2acf84826fd370b SHA512 8e79a39a4f54da3579794f9b5a009ea8ee56c7bc1805187274794ce56e81aa492ea93f5c7839a59beedcf7d657acded5ecb75d5803658cce1f9e8f753439c6c4
 DIST llvm-project-19.1.7.src.tar.xz 141249332 BLAKE2B 1259ed7f9aca7b35e89d818befdee20fd8bed4d2dc2c2c6f6f56451fd43d35ac03a0a5a406e142d22b25137999dc5b17471c196f8fcf79f20a8296832d900f6d SHA512 c7d63286d662707a9cd54758c9e3aaf52794a91900c484c4a6efa62d90bc719d5e7a345e4192feeb0c9fd11c82570d64677c781e5be1d645556b6aa018e47ec8
 DIST llvm-project-19.1.7.src.tar.xz.sig 438 BLAKE2B 4015140f4ba77de45039bdbdfbaf6f30e75705123d067ea97175d91d7a5b6a75008df01d99ae7aa16aaa3b101f3f41e38d01f04158f95a261d617b3ede0254cd SHA512 195797b06ac80a742e0ccbc03a50dc06dd2e04377d783d5474e3e72c5a75203b60292b047929312a411d22b137a239943fba414a4d136a2be14cbff978eb6bda
+DIST llvm-project-1f26ac10ca1bef40a80be8f81a6f109713bc586f.tar.gz 226424755 BLAKE2B 642befb8d6923f335d1d68129ebb7357f8ba22e110df494dd956c8097e4e5db4b2a88fcc069ab67184b03558f072c68e002bdaf90eba865e38b1473a0ef29eed SHA512 e9bb4fd31bbad5ec864c662515b5ec2e5511cce975040f9f3cd8f009c92f76077928feae0467fd9519a001a379c857f7539c506953d8d5a9209a9f358f414aac
 DIST llvm-project-8af4d206e0f979f68925a08f9dffd60a98ce97e2.tar.gz 224825146 BLAKE2B 36e9c8f9615d65fc72beb699c4ce5959676975267a4c4288a01009d26ab84ae411f2855e4e6475957b91ddc21da29251ab22e331395bc9fee0f9bc907a05384a SHA512 ec72cdd7cc6d9bef31ae9295606d18e4935468fe60ab632aced21261d437e76f11d83d0d7199a6028689990260d9155098f7d64e97db0e0af28ea6c75a773bcc
 DIST llvm-project-97c3a990f05606cb807faf53bc41302fb62c7980.tar.gz 226261635 BLAKE2B 9dd0bdfaa6ee984747f2d9d8b9606cd8d2e75fa64d45fd7c87227ddca7cffe888a1d932d73c123b25360690fd687554cc333fb3d871ab0e72ddd2b1158bae2e0 SHA512 466ae8aea014fd396f3fd6b77055238a672f012b79f25ed0b215e01f968a56dd4eeaf148d03246701b1ac4cbb8f02a4325142d6e5503fb6231e330c2e49e28e7
 DIST llvm-project-c3a935e3f967f8f22f5db240d145459ee621c1e0.tar.gz 225133913 BLAKE2B ced922010bad14df6bce0dbbb9323ee3cc9d7bf2f764f8c982d134d7a97e38d84b0b81635bbb16031aa1899c744e7c036cec5d1957733bbed7a2f18f89db0b6f SHA512 0ea083defb3c0ecaa5d8d28682f140c68ec6b3ab6cbfc60fc38a9265a8eb88b618c075d6ae03170ed54c5e7dcb3b7003eaacea2fcb115e9864b64a17cea0013d
@@ -27,4 +28,5 @@ EBUILD openmp-20.0.0.9999.ebuild 2163 BLAKE2B 1eba3d0fc3b379fc31839cba455be9cafb
 EBUILD openmp-20.0.0_pre20250111.ebuild 2163 BLAKE2B 32d4f786dfd0dd01d755dc0b89f3b4d3f05a586c6ca094a8ada24bad3d20bd2f21c4e8c5ff46919ffe51a7d3700e7fcb0dead077fa4e3760e8d384f3a4d3b8d1 SHA512 4c0aabde5394133bd45020cf1ae107ae3f337731d67974f29fb667d340dc356a238ee593558337bf1bce479cc12016bf71a1599102667454c500f77deeb5e68c
 EBUILD openmp-20.0.0_pre20250118.ebuild 2163 BLAKE2B 32d4f786dfd0dd01d755dc0b89f3b4d3f05a586c6ca094a8ada24bad3d20bd2f21c4e8c5ff46919ffe51a7d3700e7fcb0dead077fa4e3760e8d384f3a4d3b8d1 SHA512 4c0aabde5394133bd45020cf1ae107ae3f337731d67974f29fb667d340dc356a238ee593558337bf1bce479cc12016bf71a1599102667454c500f77deeb5e68c
 EBUILD openmp-20.0.0_pre20250122.ebuild 2163 BLAKE2B 32d4f786dfd0dd01d755dc0b89f3b4d3f05a586c6ca094a8ada24bad3d20bd2f21c4e8c5ff46919ffe51a7d3700e7fcb0dead077fa4e3760e8d384f3a4d3b8d1 SHA512 4c0aabde5394133bd45020cf1ae107ae3f337731d67974f29fb667d340dc356a238ee593558337bf1bce479cc12016bf71a1599102667454c500f77deeb5e68c
+EBUILD openmp-20.0.0_pre20250125.ebuild 2163 BLAKE2B 32d4f786dfd0dd01d755dc0b89f3b4d3f05a586c6ca094a8ada24bad3d20bd2f21c4e8c5ff46919ffe51a7d3700e7fcb0dead077fa4e3760e8d384f3a4d3b8d1 SHA512 4c0aabde5394133bd45020cf1ae107ae3f337731d67974f29fb667d340dc356a238ee593558337bf1bce479cc12016bf71a1599102667454c500f77deeb5e68c
 MISC metadata.xml 883 BLAKE2B 127e896b82a49633a6866b33ca776ebe2dd149a5d04da4484a53186f219a85db0ab9d826bc1cc61d4df9fa54c9bcc546be070a0b28985174925fd947aa09cca2 SHA512 dc32cae01401feb93eede6506b3955c766ff19b44976fcc67277559b23ac151993377daeed9ba83b2dd71dbdeea330cd1208dcb0c9c5f56be270883b31f9b15f
diff --git a/llvm-runtimes/openmp/openmp-20.0.0_pre20250125.ebuild b/llvm-runtimes/openmp/openmp-20.0.0_pre20250125.ebuild
new file mode 100644
index 000000000000..6a485191767b
--- /dev/null
+++ b/llvm-runtimes/openmp/openmp-20.0.0_pre20250125.ebuild
@@ -0,0 +1,88 @@
+# Copyright 1999-2025 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
+# - 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=( 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
+}