llvm-core/clang-common: Add 22.0.0_pre20260113 snapshot

Signed-off-by: Michał Górny <mgorny@gentoo.org>
This commit is contained in:
Michał Górny
2026-01-13 15:08:45 +01:00
parent 70157a310a
commit 6cd2db067f
2 changed files with 339 additions and 0 deletions

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@@ -13,4 +13,5 @@ DIST llvm-project-20.1.8.src.tar.xz 147242952 BLAKE2B 7657ac0b26acc5affb1bfc91b9
DIST llvm-project-20.1.8.src.tar.xz.sig 566 BLAKE2B 85beedfcff1195a974fab2c667b9efd4b715b3480c1b44b1b887fe32c69f72aca0d3b8fb276c03b6cc5a866622f669047aeee5ccb976640b4008ccd31dce77a4 SHA512 d74369bdb4d1b82775161ea53c9c5f3a23ce810f4df5ff617123023f9d8ce720e7d6ecc9e17f8ebd39fd9e7a9de79560abdf2ffe73bcb907a43148d43665d619
DIST llvm-project-21.1.8.src.tar.xz 158958576 BLAKE2B 0d3d4ee920f8e5db50e98152616f16004c74df0e7313cc86d893428fb7b1c875109988a5e40ea6f2e5d0fef53c7bfe2fc2b69e84807f6eb440b03afa1b228a36 SHA512 cae4c44e7bf678071723da63ad5839491d717a7233e7f4791aa408207f3ea42f52de939ad15189b112c02a0770f1bb8d59bae6ad31ef53417a6eea7770fe52ab
DIST llvm-project-21.1.8.src.tar.xz.sig 119 BLAKE2B cffc1825f5778a3e3c128ec3e856ff6ee50687319d621cdf42e895abf67e05cc51cb7493308e2b506ab60dbdbaca7aa75eb9f78d91d42c81f9682a36f4042e9d SHA512 10f58eff58ed6e701d0f123b15e68c82ab8cbdf99b1c86c0d83e3b8553e90ea51055e30327e8e442ded57c8f503e2a2de9ee075e9c28b5ba815a0f8922f8671c
DIST llvm-project-85c3c83ae54c9e81924f1ca048cfddc8d36bbb02.tar.gz 258189384 BLAKE2B d7a0c36511c17e8dacef27701abcda316902ac17325c63f79e33366efc783e0ab53d62d71c92e2e49457db095d9e8fec0bcabf1a8056a95d25eb976bdd5ba15f SHA512 a8a9ea91b4181005fb6385afff7681fdfc5a46e05aba216add29216a6dcb70cc667d1d300ee85be75997a963193e8e015917401def27d5759ff774f0fa00b527
DIST llvm-project-b01c3d6682d2fa5d6ac22d5a964b739009e9db7b.tar.gz 256801517 BLAKE2B dbdcaed7e0e06a673730c53c64c988add905b2679695ca0cf09db8b28f59eedd5455f4a0ad5a3d672e4f6601d7480775ef8fc405dc1e60c75b425382410e59cf SHA512 3afa29dac2f9b22e6af4b1783bae0bc7507a1a8ca397e88fd6687cbd9620df54525b2b9115906b80e9d1dcd16e0704a5a90eaa6cf0fa3d7f89d3d60f7d8ee19f

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@@ -0,0 +1,338 @@
# 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)
# 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
}