gentoo/llvm-core/lld/lld-18.1.8.ebuild
Eli Schwartz 36092d842b
llvm-core/lld: enable py3.12, py3.13, py3.14 for older slots
All tests pass back to lld 15, *if* one patch (for py3.12) already
backported to lld 16 is backported one more slot back.

lld 16 fails ~50 tests regardless of python, with no difference before
or after this commit. Tracked by bug 928319 but upgrading PYTHON_COMPAT
won't make it better or worse.

Signed-off-by: Eli Schwartz <eschwartz@gentoo.org>
2025-07-18 00:42:52 -04:00

92 lines
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# Copyright 1999-2025 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 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}"
KEYWORDS="amd64 arm arm64 ~loong ~mips ppc ppc64 ~riscv sparc x86 ~arm64-macos"
IUSE="debug test zstd"
RESTRICT="!test? ( test )"
DEPEND="
~llvm-core/llvm-${PV}[debug=,zstd=]
sys-libs/zlib:=
zstd? ( app-arch/zstd:= )
"
RDEPEND="
${DEPEND}
!llvm-core/lld:0
"
BDEPEND="
llvm-core/llvm:${LLVM_MAJOR}
test? (
$(python_gen_any_dep ">=dev-python/lit-${PV}[\${PYTHON_USEDEP}]")
)
"
PDEPEND="
>=llvm-core/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 "${LLVM_MAJOR}"
# LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
use debug || local -x CPPFLAGS="${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
}