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# Copyright 2021-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit cmake toolchain-funcs
DESCRIPTION="A Modern Linker"
HOMEPAGE="https://github.com/rui314/mold"
if [[ ${PV} == 9999 ]] ; then
EGIT_REPO_URI="https://github.com/rui314/mold.git"
inherit git-r3
else
SRC_URI="https://github.com/rui314/mold/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
KEYWORDS="~amd64 ~riscv"
fi
# mold (AGPL-3)
# - xxhash (BSD-2)
# - tbb (Apache-2.0)
LICENSE="AGPL-3 Apache-2.0 BSD-2"
SLOT="0"
IUSE="system-tbb"
RDEPEND="
sys-libs/zlib
system-tbb? ( >=dev-cpp/tbb-2021.4.0:= )
!kernel_Darwin? (
>=dev-libs/mimalloc-2:=
dev-libs/openssl:=
)
"
DEPEND="${RDEPEND}"
PATCHES=(
# https://bugs.gentoo.org/865837
"${FILESDIR}"/mold-1.4.1-tbb-flags-stripping.patch
)
pkg_pretend() {
# Requires a c++20 compiler, see #831473
if [[ ${MERGE_TYPE} != binary ]]; then
if tc-is-gcc && [[ $(gcc-major-version) -lt 10 ]]; then
die "${PN} needs at least gcc 10"
elif tc-is-clang && [[ $(clang-major-version) -lt 12 ]]; then
die "${PN} needs at least clang 12"
fi
fi
}
src_prepare() {
cmake_src_prepare
# Needs unpackaged dwarfdump
rm test/elf/{{dead,compress}-debug-sections,compressed-debug-info}.sh || die
# Heavy tests, need qemu
rm test/elf/gdb-index-{compress-output,dwarf{2,3,4,5}}.sh || die
rm test/elf/lto-{archive,dso,gcc,llvm,version-script}.sh || die
# Sandbox sadness
rm test/elf/run.sh || die
sed -i 's|`pwd`/mold-wrapper.so|"& ${LD_PRELOAD}"|' \
test/elf/mold-wrapper{,2}.sh || die
# static-pie tests require glibc built with static-pie support
if ! has_version -d 'sys-libs/glibc[static-pie(+)]'; then
rm test/elf/{,ifunc-}static-pie.sh || die
fi
}
src_configure() {
local mycmakeargs=(
-DMOLD_ENABLE_QEMU_TESTS=OFF
-DMOLD_LTO=OFF # Should be up to the user to decide this with CXXFLAGS.
-DMOLD_USE_SYSTEM_MIMALLOC=ON
-DMOLD_USE_SYSTEM_TBB=$(usex system-tbb)
)
cmake_src_configure
}
src_install() {
dobin "${BUILD_DIR}"/${PN}
dolib.so "${BUILD_DIR}"/${PN}-wrapper.so
dodoc docs/{design,execstack}.md
doman docs/${PN}.1
dosym ${PN} /usr/bin/ld.${PN}
dosym ${PN} /usr/bin/ld64.${PN}
dosym ../../../usr/bin/${PN} /usr/libexec/${PN}/ld
}
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