llvm-core/lld: Add 23.0.0_pre20260321 snapshot

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

llvm-core/lld/Manifest

@@ -17,3 +17,4 @@ DIST llvm-project-22.1.0.src.tar.xz.sig 119 BLAKE2B d3190d9dbacedf9de0c6b3d5c771
 DIST llvm-project-22.1.1.src.tar.xz 167029452 BLAKE2B 5d02e03ed943904e8e45d5a522ee37720540b80f79f449bdc50ac87c1703d0129aa853384a63782eabf8f6d375e123709d73167f9f708bde4e0118d10837f2b0 SHA512 dddf09651c0e77caa83284788765016b023a9e239cfe35820bab7be64b68218e86bcf39bb07ee14dcddf7b0974b551344d2bff0e109cc9458b0394a3c940917c
 DIST llvm-project-22.1.1.src.tar.xz.sig 119 BLAKE2B 02dd014936c4bac983ad6822a3ca084ddc94beeb4f4ccc6afae0031c7c563b10f7b962ef5a1a3d573330725c590f7e3b2eef2c21100063e68e32a1015b733c3d SHA512 592d603d610e121e7466a342bbf6b95c9a5f689268fad778befbf9e5663b53717c50daab9db07288020e3dcc2ec2bf38d611761a9ff6c3ce10a4340cfc2593c7
 DIST llvm-project-704c87bb948aff1bec718d56ad52b9b5d9c49cfb.tar.gz 264313048 BLAKE2B 68a42c37c44be743f1b584e97fbc9633cb2f679d8b2a733c31eb1f6805591a3b817e5c41dcc2d5a7bcf399e822fab3b020f8f2126918ef2e96f7a231b2b2a08f SHA512 dbcbc3b988c60e9a9cd3a03c339d53722f3a854ff05c53f88a9dad2c52db16453a34bd481ce90d063eae93428e438cf397bc5c60194e14ca9c65b0459c2a91d7
+DIST llvm-project-df9eb79970c012990e829d174d181d575d414efe.tar.gz 265149781 BLAKE2B ab7a87dad369685fc26a054c065dee6ef2754b6446d5a6e15ed7f5bb52d7d433b519cac0522063ba222600f6f40dc40f7bf27930c74031cc40fff5372308a097 SHA512 7c63bf1360902e6a55c7f4c15d08a716d54476875744e6f40ec51157de6c18bf75d8fdb921f26831017151e87649bd1a48041e007edd9a0afc5e9f9066bfd79d

llvm-core/lld/lld-23.0.0_pre20260321.ebuild

@@ -0,0 +1,92 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+inherit cmake flag-o-matic llvm.org python-any-r1 toolchain-funcs
+
+DESCRIPTION="The LLVM linker (link editor)"
+HOMEPAGE="https://llvm.org/"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
+SLOT="${LLVM_MAJOR}/${LLVM_SOABI}"
+IUSE="+debug test zstd"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	~llvm-core/llvm-${PV}[debug=,zstd=]
+	virtual/zlib:=
+	zstd? ( app-arch/zstd:= )
+"
+RDEPEND="
+	${DEPEND}
+	!llvm-core/lld:0
+"
+BDEPEND="
+	llvm-core/llvm:${LLVM_MAJOR}
+	test? (
+		$(python_gen_any_dep 'dev-python/lit[${PYTHON_USEDEP}]')
+	)
+"
+PDEPEND="
+	>=llvm-core/lld-toolchain-symlinks-16-r2:${LLVM_MAJOR}
+"
+
+LLVM_COMPONENTS=( lld cmake libunwind/include/mach-o )
+LLVM_TEST_COMPONENTS=( llvm/utils/dtlto )
+LLVM_USE_TARGETS=llvm+eq
+llvm.org_set_globals
+
+python_check_deps() {
+	python_has_version "dev-python/lit[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	use test && python-any-r1_pkg_setup
+}
+
+src_unpack() {
+	llvm.org_src_unpack
+
+	# Directory ${WORKDIR}/llvm does not exist with USE="-test",
+	# but LLVM_MAIN_SRC_DIR="${WORKDIR}/llvm" is set below,
+	# and ${LLVM_MAIN_SRC_DIR}/../libunwind/include is used by build system
+	# (lld/MachO/CMakeLists.txt) and is expected to be resolvable
+	# to existent directory ${WORKDIR}/libunwind/include.
+	mkdir -p "${WORKDIR}/llvm" || die
+}
+
+src_configure() {
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+	use elibc_musl && append-ldflags -Wl,-z,stack-size=2097152
+
+	local mycmakeargs=(
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}"
+		-DLLVM_ROOT="${ESYSROOT}/usr/lib/llvm/${LLVM_MAJOR}"
+		-DBUILD_SHARED_LIBS=ON
+		-DLLVM_INCLUDE_TESTS=$(usex test)
+		-DLLVM_ENABLE_ZLIB=FORCE_ON
+		-DLLVM_ENABLE_ZSTD=$(usex zstd FORCE_ON OFF)
+		-DLLVM_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}"
+	)
+
+	use test && mycmakeargs+=(
+		-DLLVM_EXTERNAL_LIT="${EPREFIX}/usr/bin/lit"
+		-DLLVM_LIT_ARGS="$(get_lit_flags)"
+		-DPython3_EXECUTABLE="${PYTHON}"
+	)
+
+	tc-is-cross-compiler &&	mycmakeargs+=(
+		-DLLVM_TABLEGEN_EXE="${BROOT}/usr/lib/llvm/${LLVM_MAJOR}/bin/llvm-tblgen"
+	)
+
+	cmake_src_configure
+}
+
+src_test() {
+	local -x LIT_PRESERVES_TMP=1
+	cmake_build check-lld
+}