sys-devel/lld: Add 20.0.0_pre20241015 snapshot

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

2 files changed, 94 insertions, 0 deletions

diff --git a/sys-devel/lld/Manifest b/sys-devel/lld/Manifest
index 3221d1418333..f324aacde5c0 100644
--- a/sys-devel/lld/Manifest
+++ b/sys-devel/lld/Manifest
@@ -9,4 +9,5 @@ DIST llvm-project-18.1.8.src.tar.xz 132067260 BLAKE2B a950492f1dbfb874dff63b1ffe
 DIST llvm-project-18.1.8.src.tar.xz.sig 566 BLAKE2B 6ab0efc5b38d4483f4e32e8b85774b2edd5d88fdf29f23b88eb0b5130a7a7f0e80549612b025f927e92de4a08ff7c292cff224dbda91a5d598244e98f7ad0fbd SHA512 ddfd1e8a06756759af6cbe488c82a6d6a62ba91f3e8a0eb4cece561321824f5d165b08ed91010588790b76e19790931d2651b24dba8567e3b151d3cb43bec25b
 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-9aef0fd52a0b2bf31cf3bae8a0693d6df8db6e04.tar.gz 219987707 BLAKE2B a3f0acd0fd3b66c3a826ac6760653fa6ea893ffba7587cf4a14f472026a9d9d8bf6b63c26d8bc39e83936afe6b735496bd88ce6c00d16abe1d0ccd1f9a644302 SHA512 5104669d78930363afeba045dc27a4c36ca8bb7537d432c765e023cbd91155b248c3a60d4768e1f8690c88e82d4ff95a44fb73f26d25d6646dddc857992485ba
 DIST llvm-project-fb2960aad93f6c02e0ea8de0568c0aef8896eee8.tar.gz 219704020 BLAKE2B 91f7226d7c6dcfa82c6b892ec0a80b47b5abd435c39996d8a6e0611355d434a86eb42bd5dce849dcc9a2f0ed2ae9844e5672f45283984ad10c7c12c62c82d47b SHA512 f0b56a4ab532aaf4bb841aac4e2faf63f213f3cd71d24555b46805406502805e6cc46cb0aae0fbf5f49ddec99da801ab8e54410a9bd8a7bcb0e9fb13619c30bf
diff --git a/sys-devel/lld/lld-20.0.0_pre20241015.ebuild b/sys-devel/lld/lld-20.0.0_pre20241015.ebuild
new file mode 100644
index 000000000000..79558afa1abe
--- /dev/null
+++ b/sys-devel/lld/lld-20.0.0_pre20241015.ebuild
@@ -0,0 +1,93 @@
+# Copyright 1999-2024 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 llvm-utils 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="
+	~sys-devel/llvm-${PV}[debug=,zstd=]
+	sys-libs/zlib:=
+	zstd? ( app-arch/zstd:= )
+"
+RDEPEND="
+	${DEPEND}
+	!sys-devel/lld:0
+"
+BDEPEND="
+	sys-devel/llvm:${LLVM_MAJOR}
+	test? (
+		$(python_gen_any_dep ">=dev-python/lit-${PV}[\${PYTHON_USEDEP}]")
+	)
+"
+PDEPEND="
+	>=sys-devel/lld-toolchain-symlinks-16-r2:${LLVM_MAJOR}
+"
+
+LLVM_COMPONENTS=( lld cmake libunwind/include/mach-o )
+llvm.org_set_globals
+
+python_check_deps() {
+	python_has_version ">=dev-python/lit-${PV}[${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_prepend_path "${LLVM_MAJOR}"
+
+	# ODR violations (https://github.com/llvm/llvm-project/issues/83529, bug #922353)
+	filter-lto
+
+	# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+	use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+
+	use elibc_musl && append-ldflags -Wl,-z,stack-size=2097152
+
+	local mycmakeargs=(
+		-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${LLVM_MAJOR}"
+		-DBUILD_SHARED_LIBS=ON
+		-DLLVM_INCLUDE_TESTS=$(usex test)
+		-DLLVM_ENABLE_ZLIB=FORCE_ON
+		-DLLVM_ENABLE_ZSTD=$(usex zstd FORCE_ON OFF)
+	)
+
+	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
+}