llvm-core/clang-common: Add 20.1.3

Signed-off-by: Michał Górny <mgorny@gentoo.org>

2 files changed, 317 insertions, 0 deletions

diff --git a/llvm-core/clang-common/Manifest b/llvm-core/clang-common/Manifest
index ba49b66e1652..4152b95d916b 100644
--- a/llvm-core/clang-common/Manifest
+++ b/llvm-core/clang-common/Manifest
@@ -11,5 +11,7 @@ DIST llvm-project-19.1.7.src.tar.xz.sig 438 BLAKE2B 4015140f4ba77de45039bdbdfbaf
 DIST llvm-project-1cf9f764ac41fb3492e10c78640dd50e616388db.tar.gz 230651433 BLAKE2B b71d459de99a741f9eb5809fcb44e6d9a17d3295bf11755d2b04a83fff6257eb4e5856826581c000e3b2868ff1cfb155ee18c692654f8083af04574d414c8fa2 SHA512 5b8d1e493830b7838b3ca76148dfc2e2af1cbaa660bd80958777698210c3347a1308f0725d40b10f8f12877daf99c4ba4837e4fa857a781ae912ee167369bafd
 DIST llvm-project-20.1.2.src.tar.xz 147229028 BLAKE2B 90be4c8b69d44bc3a295f3f63081f999cf35d05e9157ab104d403a5d5b6c3ff97b57a89598d2ec0413988f93a23f97f485b2216bbf0630cade754e9830246621 SHA512 c95e088e471d49c6692c8af1a7e40924467e4c269dada019c44455687c9f0e6a213b9b3ac8afa4e3d20cb3e757afc3400152e7cd06981aeebd61591cac15580d
 DIST llvm-project-20.1.2.src.tar.xz.sig 566 BLAKE2B fa4637cd41bddb0425567b17bcb0ba4800ec9a689897610febfba7f49f8218d6aff7bb8f7ecf6bb927397096ca49c0c1817b243e5ba7fc0ba51993ef532dadeb SHA512 d3f6a350ebd9884878442ea202f58328f8e85c30cfb150371e4af7fa8dc560bb421cd0f49f49e6bc95f57de6c06543633f0b2799aab9590750f440e099424e01
+DIST llvm-project-20.1.3.src.tar.xz 147212776 BLAKE2B c738abb66dc82580a8f511829bcf87dd8deb8381bd073cd547e4eb02097c0190fa06488e5500cefce95953315432ee6ae3c103c491d08eca4b019e043691fc12 SHA512 79d6cfd10075ec9d05b9a359c09579e07a2caff9167518519457daee3e37a818100da6712804916880797ecb0b4891b18dc52a03b534e1b9d1d4bb5ba8d5ad1e
+DIST llvm-project-20.1.3.src.tar.xz.sig 566 BLAKE2B 1b584b61f773013f3964dbd0ee026c00e702cfe758acdacc7bffb6793c42eea638cc812bd1a3cddf210a9ad7d98f707d4f1e748d360b66427fded79f24d8610b SHA512 4fd3815cd94113234e66083f955993a95c888cbb89d5baf611b76765511e102af9f1e880cbacc709f0be8785abd5abbfb0ce391793308dfec3c248a9b348e492
 DIST llvm-project-f3e6473df46fd920e09e06e57a5549eb8e3a8bd3.tar.gz 229893133 BLAKE2B 20a14a99fb55070c30b05298916875d7f7b5476bc47c72f675204adb62daf1126bc83f2e7e51867042cb0ea415f04ef32653118116d01f666a82dc888fb6e999 SHA512 f11eac15fc1d96232267d588fa1c41ebbff3367b1fccf1cfd43f3290f682b73ffa78f2336a2a155c41ef67cf4e6f43019b152996d790f03acf4b9b732a3cf4b7
 DIST llvm-project-fa4ac19f0fc937e30fd7711dad98d0fcdb34f8ba.tar.gz 230556403 BLAKE2B 8fde662380b5a9889cb6399ceeffedf0b42a5b6c329768f2cad15338a4fd4650217057955014de53b56825a6f5770042f5678d8df4118b6310d4d1b12a19c888 SHA512 ef8a3ac7aed43f14b490d198de27f15bad0a63b89273d47daca0aa33a1edf79eecafb26f7f7ec64e6482b99fba5d7e9080c59887e33bb1ce18d8e3ae1938a1ae
diff --git a/llvm-core/clang-common/clang-common-20.1.3.ebuild b/llvm-core/clang-common/clang-common-20.1.3.ebuild
new file mode 100644
index 000000000000..00fc8b0e151f
--- /dev/null
+++ b/llvm-core/clang-common/clang-common-20.1.3.ebuild
@@ -0,0 +1,315 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit bash-completion-r1 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"
+KEYWORDS="~amd64 ~arm ~arm64 ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~arm64-macos ~ppc-macos ~x64-macos"
+IUSE="
+	default-compiler-rt default-libcxx default-lld
+	bootstrap-prefix cet hardened llvm-libunwind
+"
+
+PDEPEND="
+	default-compiler-rt? (
+		llvm-core/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-core/clang-runtime[default-compiler-rt(-)?,default-libcxx(-)?,default-lld(-)?,llvm-libunwind(-)?]
+"
+IDEPEND="
+	!default-compiler-rt? ( sys-devel/gcc-config )
+	!default-libcxx? ( sys-devel/gcc-config )
+"
+
+LLVM_COMPONENTS=( clang/utils )
+llvm.org_set_globals
+
+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_install() {
+	newbashcomp bash-autocomplete.sh clang
+
+	insinto /etc/clang
+	newins - gentoo-runtimes.cfg <<-EOF
+		# This file is initially generated by llvm-core/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 ${EPREFIX}/MacOSX.sdk
+		EOF
+	fi
+}
+
+pkg_preinst() {
+	if has_version -b sys-devel/gcc-config && has_version sys-devel/gcc
+	then
+		local gcc_path=$(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
+}