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b71ab9b25a
Given that the latest revision of the ebuilds contains the content of configuration files, it's not really a metapackage anymore. Signed-off-by: Michal Rostecki <vadorovsky@protonmail.com> Part-of: https://github.com/gentoo/gentoo/pull/44795 Closes: https://github.com/gentoo/gentoo/pull/44795 Signed-off-by: Sam James <sam@gentoo.org>
124 lines
3.6 KiB
Bash
124 lines
3.6 KiB
Bash
# Copyright 1999-2025 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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inherit multilib multilib-build toolchain-funcs
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DESCRIPTION="Meta-ebuild for clang runtime libraries"
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HOMEPAGE="https://clang.llvm.org/"
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S=${WORKDIR}
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LICENSE="public-domain"
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SLOT="${PV%%.*}"
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KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~arm64-macos ~ppc-macos ~x64-macos"
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IUSE="+compiler-rt libcxx openmp +sanitize"
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REQUIRED_USE="sanitize? ( compiler-rt )"
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RDEPEND="
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compiler-rt? (
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~llvm-runtimes/compiler-rt-${PV}:${SLOT}[abi_x86_32(+)?,abi_x86_64(+)?]
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sanitize? (
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~llvm-runtimes/compiler-rt-sanitizers-${PV}:${SLOT}[abi_x86_32(+)?,abi_x86_64(+)?]
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)
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)
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libcxx? ( >=llvm-runtimes/libcxx-${PV}[${MULTILIB_USEDEP}] )
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openmp? ( >=llvm-runtimes/openmp-${PV}[${MULTILIB_USEDEP}] )
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llvm-core/clang-common
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~llvm-core/clang-linker-config-${SLOT}
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~llvm-runtimes/clang-rtlib-config-${SLOT}
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~llvm-runtimes/clang-unwindlib-config-${SLOT}
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~llvm-runtimes/clang-stdlib-config-${SLOT}
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"
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pkg_pretend() {
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if tc-is-clang; then
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ewarn "You seem to be using clang as a system compiler. As of clang-16,"
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ewarn "upstream has turned a few warnings that commonly occur during"
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ewarn "configure script runs into errors by default. This causes some"
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ewarn "configure tests to start failing, sometimes resulting in silent"
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ewarn "breakage, missing functionality or runtime misbehavior. It is"
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ewarn "not yet clear whether the change will remain or be reverted."
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ewarn
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ewarn "For more information, please see:"
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ewarn "https://discourse.llvm.org/t/configure-script-breakage-with-the-new-werror-implicit-function-declaration/65213"
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fi
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}
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_doclang_cfg() {
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local triple="${1}"
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local tool
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for tool in ${triple}-clang{,++,-cpp}; do
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newins - "${tool}.cfg" <<-EOF
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# This configuration file is used by ${tool} driver.
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@../${tool}.cfg
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@gentoo-plugins.cfg
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@gentoo-runtimes.cfg
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EOF
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done
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# Install symlinks for triples with other vendor strings since some
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# programs insist on mangling the triple.
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local vendor
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for vendor in gentoo pc unknown; do
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local vendor_triple="${triple%%-*}-${vendor}-${triple#*-*-}"
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for tool in clang{,++,-cpp}; do
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if [[ ! -f "${ED}/etc/clang/${SLOT}/${vendor_triple}-${tool}.cfg" ]]; then
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dosym "${triple}-${tool}.cfg" "/etc/clang/${SLOT}/${vendor_triple}-${tool}.cfg"
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fi
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done
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done
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}
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doclang_cfg() {
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local triple=$(get_abi_CHOST "${abi}")
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_doclang_cfg ${triple}
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# LLVM may have different arch names in some cases. For example in x86
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# profiles the triple uses i686, but llvm will prefer i386 if invoked
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# with "clang" on x86 or "clang -m32" on x86_64. The gentoo triple will
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# be used if invoked through ${CHOST}-clang{,++,-cpp} though.
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#
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# To make sure the correct triples are installed,
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# see Triple::getArchTypeName() in llvm/lib/TargetParser/Triple.cpp
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# and compare with CHOST values in profiles.
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local abi=${triple%%-*}
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case ${abi} in
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armv4l|armv4t|armv5tel|armv6j|armv7a)
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_doclang_cfg ${triple/${abi}/arm}
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;;
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i686)
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_doclang_cfg ${triple/${abi}/i386}
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;;
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sparc)
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_doclang_cfg ${triple/${abi}/sparcel}
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;;
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sparc64)
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_doclang_cfg ${triple/${abi}/sparcv9}
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;;
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esac
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}
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src_install() {
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insinto "/etc/clang/${SLOT}"
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newins - gentoo-runtimes.cfg <<-EOF
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# This file is initially generated by llvm-runtimes/clang-runtime.
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# It is used to control the default runtimes using by clang.
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@gentoo-rtlib.cfg
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@gentoo-unwindlib.cfg
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@gentoo-stdlib.cfg
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@gentoo-linker.cfg
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EOF
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newins - gentoo-plugins.cfg <<-EOF
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# This file is used to load optional LLVM plugins.
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EOF
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multilib_foreach_abi doclang_cfg
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}
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