llvm-core/clang-common: Add 22.0.0_pre20251127 snapshot

Signed-off-by: Michał Górny <mgorny@gentoo.org>
This commit is contained in:
Michał Górny 2025-11-27 20:20:58 +01:00
parent 478f630f1f
commit f333a50f18
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GPG Key ID: 8E32347AF4055AE8
2 changed files with 339 additions and 0 deletions

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@ -16,3 +16,4 @@ DIST llvm-project-21.1.5.src.tar.xz.sig 119 BLAKE2B abf014908e981ea358ee38f6d1ef
DIST llvm-project-21.1.6.src.tar.xz 158947864 BLAKE2B eeda7b9903ef59319ad22e5e3a8b66a339cbbb7445ccb75fa09db6823371a22e9b66cb44c084fdeb16054f2e62a149f6e069d9726f269f667dbd6a631cb658c3 SHA512 f9e6c84828e40cb0a7894258b07240468a9d555c11496a1725bf959444362277a90ea822eeb8c9b51b3b7fecd4dd0b213a28a2f2effefbf43efdd21084d10afc
DIST llvm-project-21.1.6.src.tar.xz.sig 119 BLAKE2B 2e3de87f4adb181740cfc8a5f8de3e6f4090f50d2f0dfa2670b27c0a6dde296b399ee017b5f6220aa80581a16c81afb5c96454d69dac8ce246713570470956b8 SHA512 637cc9f778f8303e80985469c3102573a9cf6264093b1a83fb494e34b5cb444f76cbb7d6d497d44b05250d56e25ec27dd9df685e0b78b23bb71e4bcd05a8facf
DIST llvm-project-21c4c1502e3383988ba77eac75b13da7b9426957.tar.gz 254650569 BLAKE2B aaa8fffbe3b8ddcffa232c6cd078d33efc0f23453fd79b2ae71a0760b35da2ad17ffaed95d99c2548904468767d9f95af2ca4a59245e1ddf51a6612bda61cda4 SHA512 40a97c53cf7825b5c1e6867df74fa22e3b786a2ec9bcb478e1af0e6a165c582316c3c75b12f4704227b8e95cce91ab110acb10f2d8f30bc82319d6af4d201956
DIST llvm-project-8401a8d0be7671fb5089f850a34dc92ad4a2eb12.tar.gz 254694831 BLAKE2B edac68e2b57124504262d68d1fabbb2161af023c2b9f96f304ce220e3d84249e2a2c1137c83bcfb15f6f082b68ef24a775150e5f435ec14d0f471c51ec438346 SHA512 a35f918fc3363df20fecac5820595060acd9fa0bce2cc3f696603192100a63ff4d31f6ba6ac98ad13f62b01c0789f3cce2ecbe4b9c0095d2bf02d2b24971d973

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@ -0,0 +1,338 @@
# Copyright 1999-2025 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)
# 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
}