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Thu, 15 Aug 2024 20:01:49 +0000 (UTC) Received: from localhost.localdomain (localhost [IPv6:::1]) by oystercatcher.gentoo.org (Postfix) with ESMTP id 907751EF3 for ; Thu, 15 Aug 2024 20:01:47 +0000 (UTC) From: "Michał Górny" To: gentoo-commits@lists.gentoo.org Content-Transfer-Encoding: 8bit Content-type: text/plain; charset=UTF-8 Reply-To: gentoo-dev@lists.gentoo.org, "Michał Górny" Message-ID: <1723752092.3a5761dc661249528e6b5e9229551864a1791c4f.mgorny@gentoo> Subject: [gentoo-commits] repo/gentoo:master commit in: sys-devel/clang-common/ X-VCS-Repository: repo/gentoo X-VCS-Files: sys-devel/clang-common/Manifest sys-devel/clang-common/clang-common-20.0.0_pre20240815.ebuild X-VCS-Directories: sys-devel/clang-common/ X-VCS-Committer: mgorny X-VCS-Committer-Name: Michał Górny X-VCS-Revision: 3a5761dc661249528e6b5e9229551864a1791c4f X-VCS-Branch: master Date: Thu, 15 Aug 2024 20:01:47 +0000 (UTC) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-commits@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-Archives-Salt: f6030154-ddd5-4d7e-a9a6-5111ee9db507 X-Archives-Hash: 48697bbbb20dd9f1d9a586c7dace8edf commit: 3a5761dc661249528e6b5e9229551864a1791c4f Author: Michał Górny gentoo org> AuthorDate: Thu Aug 15 19:16:34 2024 +0000 Commit: Michał Górny gentoo org> CommitDate: Thu Aug 15 20:01:32 2024 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=3a5761dc sys-devel/clang-common: Add 20.0.0_pre20240815 snapshot Signed-off-by: Michał Górny gentoo.org> sys-devel/clang-common/Manifest | 1 + .../clang-common-20.0.0_pre20240815.ebuild | 304 +++++++++++++++++++++ 2 files changed, 305 insertions(+) diff --git a/sys-devel/clang-common/Manifest b/sys-devel/clang-common/Manifest index e96e91af93d0..199e0e69f022 100644 --- a/sys-devel/clang-common/Manifest +++ b/sys-devel/clang-common/Manifest @@ -8,4 +8,5 @@ DIST llvm-project-18.1.8.src.tar.xz 132067260 BLAKE2B a950492f1dbfb874dff63b1ffe DIST llvm-project-18.1.8.src.tar.xz.sig 566 BLAKE2B 6ab0efc5b38d4483f4e32e8b85774b2edd5d88fdf29f23b88eb0b5130a7a7f0e80549612b025f927e92de4a08ff7c292cff224dbda91a5d598244e98f7ad0fbd SHA512 ddfd1e8a06756759af6cbe488c82a6d6a62ba91f3e8a0eb4cece561321824f5d165b08ed91010588790b76e19790931d2651b24dba8567e3b151d3cb43bec25b DIST llvm-project-19.1.0-rc2.src.tar.xz 141264388 BLAKE2B 690b4912d9e4a8019b7990934dd6486362337ccb303dca119c0e75aa1063ad452222be1ee965e43b160dfcea20e491a20c289344152666b618712a1d76dc4780 SHA512 508a401e8433b1ac9a399246eb1a3c18faed7c3d41d8c118e77cefbb64cc6d6e171bd41a3e5584f6c84df141ba6819f1a1cce75b5c1ef33e3d2ac239e662d07c DIST llvm-project-19.1.0-rc2.src.tar.xz.sig 438 BLAKE2B 1eaf10a1419ecf009c033a8f6ecb6eec86107d81621d5b4665c8d929b05f4845ce0c432017343d7b06f33e6ff6384df9e1d8fc7b9c6efe7f10ef69798891b7e5 SHA512 b46e9a1d40f891c5f3544d8cc6295900bff5dda9a4a526b8db55a42a37ae90deb216b316d2117984e82f4e918d15343e75b3b9e6d6c773866707c3398e032826 +DIST llvm-project-db8ef6188cbbe2125e6d60bdef77a535105772df.tar.gz 218416682 BLAKE2B 691e3881e4a60c008c6b766b51ecc856122de1f40242ff1d91ebaa12682fea0a22f84783eb930c42d196f50ba0d3b2010f9010ed73ee7e292fe78c93d6e3f324 SHA512 2dc16a603b60607cc3daee2de0126a567a78c4fff72b2fbcb94c82472bc5ec64ac354ba8592b9a643248a5bfd43b34e2a60f2751a0c9e9e28b7f895fc50a5e9d DIST llvm-project-fd7d7882e7fa5a38d4bfde426120d4663718beb4.tar.gz 218217769 BLAKE2B a6c2aa012c342e31527b7e9f85e8fea3549d52530d8f87cd699e094a0aa768d099f9fd2631161ff7f53b4a5011937ed6d1f52b8fa1d23aa34183be1f487d4277 SHA512 c4863fab1a3c03f7f9c42f3501d3a75cebb491343515d77d30b26e5cbd720fc3fd628052099d87ed638e8c424bcbe7a1d066ed857f73da6f243d3d5a76b0e6c5 diff --git a/sys-devel/clang-common/clang-common-20.0.0_pre20240815.ebuild b/sys-devel/clang-common/clang-common-20.0.0_pre20240815.ebuild new file mode 100644 index 000000000000..090a45690818 --- /dev/null +++ b/sys-devel/clang-common/clang-common-20.0.0_pre20240815.ebuild @@ -0,0 +1,304 @@ +# Copyright 1999-2024 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" +IUSE=" + default-compiler-rt default-libcxx default-lld + bootstrap-prefix cet hardened llvm-libunwind +" + +PDEPEND=" + sys-devel/clang:* + default-compiler-rt? ( + sys-devel/clang-runtime[compiler-rt] + llvm-libunwind? ( sys-libs/llvm-libunwind[static-libs] ) + !llvm-libunwind? ( sys-libs/libunwind[static-libs] ) + ) + !default-compiler-rt? ( sys-devel/gcc ) + default-libcxx? ( >=sys-libs/libcxx-${PV}[static-libs] ) + !default-libcxx? ( sys-devel/gcc ) + default-lld? ( >=sys-devel/lld-${PV} ) + !default-lld? ( sys-devel/binutils ) +" +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 "sys-devel/clang[${flag}]"; then + missing_flags+=( "${flag}" ) + fi + done + + if [[ ${missing_flags[@]} ]]; then + eerror "It seems that you have the following flags set on sys-devel/clang:" + eerror + eerror " ${missing_flags[*]}" + eerror + eerror "The default runtimes are now set via flags on sys-devel/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 " sys-devel/clang-common ${missing_flags[*]}" + eerror + eerror "or build with CLANG_IGNORE_DEFAULT_RUNTIMES=1." + die "Mismatched defaults detected between sys-devel/clang and sys-devel/clang-common" + fi +} + +_doclang_cfg() { + local triple="${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 sys-devel/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 () && !defined(__GLIBC__) + # include + #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(__STDC_HOSTED__) && __STDC_HOSTED__ == 1 + # define __GENTOO_NOT_FREESTANDING 1 + # else + # define __GENTOO_NOT_FREESTANDING 0 + # endif + # + # if defined(__OPTIMIZE__) && __OPTIMIZE__ > 0 && __GENTOO_NOT_FREESTANDING > 0 + # if !defined(__SANITIZE_ADDRESS__) && !__GENTOO_HAS_FEATURE(address_sanitizer) && !__GENTOO_HAS_FEATURE(memory_sanitizer) + # define _FORTIFY_SOURCE ${fortify_level} + # endif + # endif + # undef __GENTOO_HAS_FEATURE + # undef __GENTOO_NOT_FREESTANDING + #endif + EOF + + # TODO: Maybe -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_FAST for + # non-hardened? + if use hardened ; then + cat >> "${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 >> "${ED}/etc/clang/gentoo-common.cfg" <<-EOF || die + # Gentoo Prefix on Darwin + -Wl,-search_paths_first + -Wl,-rpath,${EPREFIX}/usr/lib + -L ${EPREFIX}/usr/lib + -isystem ${EPREFIX}/usr/include + -isysroot ${EPREFIX}/MacOSX.sdk + EOF + if use bootstrap-prefix ; then + # bootstrap-prefix is only set during stage2 of bootstrapping + # Prefix, where EPREFIX is set to EPREFIX/tmp. + # Here we need to point it at the future lib dir of the stage3's + # EPREFIX. + cat >> "${ED}/etc/clang/gentoo-common.cfg" <<-EOF || die + -Wl,-rpath,${EPREFIX}/../usr/lib + EOF + fi + fi +} + +pkg_preinst() { + if has_version -b sys-devel/gcc-config && has_version sys-devel/gcc + then + local gcc_path=$(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 +}