llvm-core/clang-common: Add 23.1.0_rc2

Signed-off-by: Michał Górny <mgorny@gentoo.org>
This commit is contained in:
Michał Górny
2026-07-28 16:43:40 +02:00
parent cf2740c08e
commit 1d1474ed9f
2 changed files with 341 additions and 0 deletions

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@@ -11,4 +11,6 @@ DIST llvm-project-21.1.8.src.tar.xz 158958576 BLAKE2B 0d3d4ee920f8e5db50e9815261
DIST llvm-project-21.1.8.src.tar.xz.sig 119 BLAKE2B cffc1825f5778a3e3c128ec3e856ff6ee50687319d621cdf42e895abf67e05cc51cb7493308e2b506ab60dbdbaca7aa75eb9f78d91d42c81f9682a36f4042e9d SHA512 10f58eff58ed6e701d0f123b15e68c82ab8cbdf99b1c86c0d83e3b8553e90ea51055e30327e8e442ded57c8f503e2a2de9ee075e9c28b5ba815a0f8922f8671c
DIST llvm-project-22.1.8.src.tar.xz 167061596 BLAKE2B 092204f62e0f0364a041c737eb2c25fd073cb5689663d6ccd5a9e4e1743d6d80822360d59b64bff7b4d7872a68a79e899bf2f75f384e55c7d313a79243576f03 SHA512 2615b20ba08534f83ab8ecc7b5ba43b5f1dfcf9cdb2534a32fcdbf0ccdd9a008b46276e45ef26ed9377f65b5e4ae89ea798f3863fd034484b5715140f3a7b35c
DIST llvm-project-22.1.8.src.tar.xz.sig 119 BLAKE2B 2ce93472036e68782252991e4a8bdbeeec8706a56022220083a38a42ef18714a7894c41aaa04dc0d03f18601d8bfc1a5a030ed0ef0f0d64a662eae9843a4b362 SHA512 99a457b5b1fb409a5fe72b59ebd4ddae5cade3e5f2493e33b44d4f4b4625f7a1743f80106efb1134668842b15ea3400ce2c29263bec8ff986e05040910125e15
DIST llvm-project-23.1.0-rc2.src.tar.xz 179079292 BLAKE2B 59b4ae719ca496b29e37c1150d2953062d00d696e847d16710b6719c63246cccfb50c6f6bf33e7723e2e3757c8b1cae51a3c6a6787b6d45c808c78902ac01c97 SHA512 9ca8d0aa34f2910abc06edb832831c1a66209e7e78cffabcc52113fe0d6d96af57f4f67788ae23026c0f3b91dc8f6224cb46dfa0f1bcc41a1f60cbad5ec1623d
DIST llvm-project-23.1.0-rc2.src.tar.xz.sig 466 BLAKE2B c7acaa7f8833286cd0037c4c31ba8a1bb20f4a09b62979c7df9f69993728406b1a42db62d2ab2a34c526c0bdae1bc027074a623142420d2fc264c3f83e3c0f7b SHA512 7e2db57ed17efe3bf36c476049973b760af60c8a9302992a17e050e7a61db7b92df0b6c06f26989c61ce2e4682e7604bfdd0f063e322a726923e857890cedc8c
DIST llvm-project-bb9934d4dfef9033ded36d26827dbb6d3ac1dd92.tar.gz 277566365 BLAKE2B 401320655d19b3d430d15a48e2daf1f00567ef87fd2d1f86c3d505a1b2f5920db6cbfa620bf1b0561cd318d6046830d5b19fe0e7b58647863372c6c96526526c SHA512 354b901ca80227abe6b0514eeba437f237ea2658dd1927bb6e1d3b0b298bdb0dfdb7855c0f359eea4977dd344f6d0f6d1ce486ea0100d4a5615a9139ef198fca

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@@ -0,0 +1,339 @@
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit bash-completion-r1 elisp-common llvm.org multilib
DESCRIPTION="Common files shared between multiple slots of clang"
HOMEPAGE="https://llvm.org/"
LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
SLOT="0"
IUSE="
default-compiler-rt default-libcxx default-lld
bootstrap-prefix cet emacs hardened llvm-libunwind
"
PDEPEND="
default-compiler-rt? (
llvm-runtimes/clang-runtime:${LLVM_MAJOR}[compiler-rt]
llvm-libunwind? ( llvm-runtimes/libunwind[static-libs] )
!llvm-libunwind? ( sys-libs/libunwind[static-libs] )
)
!default-compiler-rt? ( sys-devel/gcc )
default-libcxx? ( >=llvm-runtimes/libcxx-${PV}[static-libs] )
!default-libcxx? ( sys-devel/gcc )
default-lld? ( >=llvm-core/lld-${PV} )
!default-lld? ( sys-devel/binutils )
"
# enforce flags on clang-runtime as well to aid transition
PDEPEND+="
llvm-runtimes/clang-runtime[default-compiler-rt(-)?,default-libcxx(-)?,default-lld(-)?,llvm-libunwind(-)?]
emacs? ( >=app-editors/emacs-26.3:* )
"
IDEPEND="
!default-compiler-rt? ( sys-devel/gcc-config )
!default-libcxx? ( sys-devel/gcc-config )
"
BDEPEND="
emacs? ( >=app-editors/emacs-26.3:* )
"
LLVM_COMPONENTS=( clang/utils clang/tools/clang-format )
llvm.org_set_globals
SITEFILE="50clang-gentoo.el"
pkg_pretend() {
[[ ${CLANG_IGNORE_DEFAULT_RUNTIMES} ]] && return
local flag missing_flags=()
for flag in default-{compiler-rt,libcxx,lld}; do
if ! use "${flag}" && has_version "llvm-core/clang[${flag}]"; then
missing_flags+=( "${flag}" )
fi
done
if [[ ${missing_flags[@]} ]]; then
eerror "It seems that you have the following flags set on llvm-core/clang:"
eerror
eerror " ${missing_flags[*]}"
eerror
eerror "The default runtimes are now set via flags on llvm-core/clang-common."
eerror "The build is being aborted to prevent breakage. Please either set"
eerror "the respective flags on this ebuild, e.g.:"
eerror
eerror " llvm-core/clang-common ${missing_flags[*]}"
eerror
eerror "or build with CLANG_IGNORE_DEFAULT_RUNTIMES=1."
die "Mismatched defaults detected between llvm-core/clang and llvm-core/clang-common"
fi
}
_doclang_cfg() {
local triple="${1}"
local tool
for tool in ${triple}-clang{,++}; do
newins - "${tool}.cfg" <<-EOF
# This configuration file is used by ${tool} driver.
@gentoo-common.cfg
@gentoo-common-ld.cfg
EOF
if [[ ${triple} == x86_64* ]]; then
cat >> "${ED}/etc/clang/${tool}.cfg" <<-EOF || die
@gentoo-cet.cfg
EOF
fi
done
if use kernel_Darwin; then
cat >> "${ED}/etc/clang/${triple}-clang++.cfg" <<-EOF || die
-lc++abi
EOF
fi
newins - "${triple}-clang-cpp.cfg" <<-EOF
# This configuration file is used by the ${triple}-clang-cpp driver.
@gentoo-common.cfg
EOF
if [[ ${triple} == x86_64* ]]; then
cat >> "${ED}/etc/clang/${triple}-clang-cpp.cfg" <<-EOF || die
@gentoo-cet.cfg
EOF
fi
# Install symlinks for triples with other vendor strings since some
# programs insist on mangling the triple.
local vendor
for vendor in gentoo pc unknown; do
local vendor_triple="${triple%%-*}-${vendor}-${triple#*-*-}"
for tool in clang{,++,-cpp}; do
if [[ ! -f "${ED}/etc/clang/${vendor_triple}-${tool}.cfg" ]]; then
dosym "${triple}-${tool}.cfg" "/etc/clang/${vendor_triple}-${tool}.cfg"
fi
done
done
}
doclang_cfg() {
local triple="${1}"
_doclang_cfg ${triple}
# LLVM may have different arch names in some cases. For example in x86
# profiles the triple uses i686, but llvm will prefer i386 if invoked
# with "clang" on x86 or "clang -m32" on x86_64. The gentoo triple will
# be used if invoked through ${CHOST}-clang{,++,-cpp} though.
#
# To make sure the correct triples are installed,
# see Triple::getArchTypeName() in llvm/lib/TargetParser/Triple.cpp
# and compare with CHOST values in profiles.
local abi=${triple%%-*}
case ${abi} in
armv4l|armv4t|armv5tel|armv6j|armv7a)
_doclang_cfg ${triple/${abi}/arm}
;;
i686)
_doclang_cfg ${triple/${abi}/i386}
;;
sparc)
_doclang_cfg ${triple/${abi}/sparcel}
;;
sparc64)
_doclang_cfg ${triple/${abi}/sparcv9}
;;
esac
}
src_compile() {
default
use emacs && elisp-compile ../tools/clang-format/clang-format.el
}
src_install() {
newbashcomp bash-autocomplete.sh clang
insinto /etc/clang
newins - gentoo-runtimes.cfg <<-EOF
# This file is initially generated by llvm-runtimes/clang-runtime.
# It is used to control the default runtimes using by clang.
--rtlib=$(usex default-compiler-rt compiler-rt libgcc)
--unwindlib=$(usex default-compiler-rt libunwind libgcc)
--stdlib=$(usex default-libcxx libc++ libstdc++)
-fuse-ld=$(usex default-lld lld bfd)
EOF
newins - gentoo-gcc-install.cfg <<-EOF
# This file is maintained by gcc-config.
# It is used to specify the selected GCC installation.
EOF
newins - gentoo-common.cfg <<-EOF
# This file contains flags common to clang, clang++ and clang-cpp.
@gentoo-runtimes.cfg
@gentoo-gcc-install.cfg
@gentoo-hardened.cfg
# bug #870001
-include "${EPREFIX}/usr/include/gentoo/maybe-stddefs.h"
EOF
# clang-cpp does not like link args being passed to it when directly
# invoked, so use a separate configuration file.
newins - gentoo-common-ld.cfg <<-EOF
# This file contains flags common to clang and clang++
@gentoo-hardened-ld.cfg
EOF
# Baseline hardening (bug #851111)
newins - gentoo-hardened.cfg <<-EOF
# Some of these options are added unconditionally, regardless of
# USE=hardened, for parity with sys-devel/gcc.
-Xarch_host -fstack-clash-protection
-Xarch_host -fstack-protector-strong
-fPIE
-include "${EPREFIX}/usr/include/gentoo/fortify.h"
EOF
newins - gentoo-cet.cfg <<-EOF
-Xarch_host -fcf-protection=$(usex cet full none)
EOF
if use kernel_Darwin; then
newins - gentoo-hardened-ld.cfg <<-EOF
# There was -Wl,-z,relro here, but it's not supported on Mac
# TODO: investigate whether -bind_at_load or -read_only_stubs will do the job
EOF
else
newins - gentoo-hardened-ld.cfg <<-EOF
# Some of these options are added unconditionally, regardless of
# USE=hardened, for parity with sys-devel/gcc.
-Wl,-z,relro
-Wl,-z,now
EOF
fi
dodir /usr/include/gentoo
cat >> "${ED}/usr/include/gentoo/maybe-stddefs.h" <<-EOF || die
/* __has_include is an extension, but it's fine, because this is only
for Clang anyway. */
#if defined __has_include && __has_include (<stdc-predef.h>) && !defined(__GLIBC__)
# include <stdc-predef.h>
#endif
EOF
local fortify_level=$(usex hardened 3 2)
# We have to do this because glibc's headers warn if F_S is set
# without optimization and that would at the very least be very noisy
# during builds and at worst trigger many -Werror builds.
cat >> "${ED}/usr/include/gentoo/fortify.h" <<- EOF || die
#ifdef __clang__
# pragma clang system_header
#endif
#ifndef _FORTIFY_SOURCE
# if defined(__has_feature)
# define __GENTOO_HAS_FEATURE(x) __has_feature(x)
# else
# define __GENTOO_HAS_FEATURE(x) 0
# endif
#
# if !defined(__OPTIMIZE__) || __OPTIMIZE__ == 0
# elif !defined(__STDC_HOSTED__) || __STDC_HOSTED__ != 1
# elif defined(__SANITIZE_ADDRESS__)
# elif __GENTOO_HAS_FEATURE(address_sanitizer)
# elif __GENTOO_HAS_FEATURE(hwaddress_sanitizer)
# elif __GENTOO_HAS_FEATURE(memory_sanitizer)
# elif __GENTOO_HAS_FEATURE(numerical_stability_sanitizer)
# elif __GENTOO_HAS_FEATURE(realtime_sanitizer)
# elif __GENTOO_HAS_FEATURE(thread_sanitizer)
# elif defined(_GENTOO_NO_FORTIFY_SOURCE)
# else
# define _FORTIFY_SOURCE ${fortify_level}
# endif
#
# undef __GENTOO_HAS_FEATURE
#endif
EOF
# TODO: Maybe -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_FAST for
# non-hardened?
if use hardened ; then
cat >> "${ED}/etc/clang/gentoo-hardened.cfg" <<-EOF || die
# Options below are conditional on USE=hardened.
-Xarch_host -D_GLIBCXX_ASSERTIONS
# Analogue to GLIBCXX_ASSERTIONS
# https://libcxx.llvm.org/UsingLibcxx.html#assertions-mode
# https://libcxx.llvm.org/Hardening.html#using-hardened-mode
-Xarch_host -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE
EOF
cat >> "${ED}/etc/clang/gentoo-hardened-ld.cfg" <<-EOF || die
# Options below are conditional on USE=hardened.
EOF
fi
# We only install config files for supported ABIs because unprefixed tools
# might be used for crosscompilation where e.g. PIE may not be supported.
# See bug #912237 and bug #901247. Just ${CHOST} won't do due to bug #912685.
local abi
for abi in $(get_all_abis); do
local abi_chost=$(get_abi_CHOST "${abi}")
doclang_cfg "${abi_chost}"
done
if use kernel_Darwin; then
cat >> "${ED}/etc/clang/gentoo-common.cfg" <<-EOF || die
# Gentoo Prefix on Darwin
-Wl,-search_paths_first
EOF
if use bootstrap-prefix ; then
# bootstrap-prefix is only set during stage2 of bootstrapping
# Prefix, where EPREFIX is set to EPREFIX/tmp.
# Here we need to point it at the future lib dir of the stage3's
# EPREFIX.
cat >> "${ED}/etc/clang/gentoo-common.cfg" <<-EOF || die
-Wl,-rpath,${EPREFIX}/../usr/lib
-Wl,-L,${EPREFIX}/../usr/lib
-isystem ${EPREFIX}/../usr/include
EOF
fi
# Using -Wl,-L instead of -L to trick compiler driver to put it
# after -isysroot's internal -L
cat >> "${ED}/etc/clang/gentoo-common.cfg" <<-EOF || die
-Wl,-rpath,${EPREFIX}/usr/lib
-Wl,-L,${EPREFIX}/usr/lib
-isystem ${EPREFIX}/usr/include
-isysroot ${EPREFIX}/MacOSX.sdk
EOF
fi
if use emacs ; then
elisp-install clang ../tools/clang-format/clang-format.{el,elc}
elisp-make-site-file "${SITEFILE}" clang
fi
}
pkg_preinst() {
if has_version -b sys-devel/gcc-config && has_version sys-devel/gcc
then
local gcc_path=$(gcc-config --get-lib-path 2>/dev/null)
if [[ -n ${gcc_path} ]]; then
cat >> "${ED}/etc/clang/gentoo-gcc-install.cfg" <<-EOF
--gcc-install-dir="${gcc_path%%:*}"
EOF
fi
fi
}
pkg_postinst() {
use emacs && elisp-site-regen
}
pkg_postrm() {
use emacs && elisp-site-regen
}