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authorMichał Górny <mgorny@gentoo.org>2024-08-08 21:00:04 +0200
committerMichał Górny <mgorny@gentoo.org>2024-08-08 21:25:56 +0200
commit899230392e58fab6b52771e20821ef2526d908cf (patch)
tree5e6c56c61f727c6a3add3e5e9f614bf9a98c7901 /sys-devel
parentdev-ml/llvm-ocaml: Add 20.0.0_pre20240808 snapshot (diff)
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sys-devel/clang-common: Add 20.0.0_pre20240808 snapshot
Signed-off-by: Michał Górny <mgorny@gentoo.org>
Diffstat (limited to 'sys-devel')
-rw-r--r--sys-devel/clang-common/Manifest1
-rw-r--r--sys-devel/clang-common/clang-common-20.0.0_pre20240808.ebuild304
2 files changed, 305 insertions, 0 deletions
diff --git a/sys-devel/clang-common/Manifest b/sys-devel/clang-common/Manifest
index 0f284eff910c..04df8178ee73 100644
--- a/sys-devel/clang-common/Manifest
+++ b/sys-devel/clang-common/Manifest
@@ -11,3 +11,4 @@ DIST llvm-project-19.1.0-rc1.src.tar.xz 141259912 BLAKE2B e882ff54a96900b4948e57
DIST llvm-project-19.1.0-rc1.src.tar.xz.sig 438 BLAKE2B cc1acbd33440bb14f78c19cc3061a5c0cb3d9dbcd6f0d1516fe118ac02c500ba4df129f870ddf3fe1a52519feab4b631866413fce9c726272d52c3865a9eea27 SHA512 a3361992b55be13aeff5d91bb90a15e3a2ab89e486328fa4d9abc9efa3925aee70bea48449b003ae1926909d389bf71afcf6dc56d800ed2e0e3dbc65da6e4e92
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-fd7d7882e7fa5a38d4bfde426120d4663718beb4.tar.gz 218217769 BLAKE2B a6c2aa012c342e31527b7e9f85e8fea3549d52530d8f87cd699e094a0aa768d099f9fd2631161ff7f53b4a5011937ed6d1f52b8fa1d23aa34183be1f487d4277 SHA512 c4863fab1a3c03f7f9c42f3501d3a75cebb491343515d77d30b26e5cbd720fc3fd628052099d87ed638e8c424bcbe7a1d066ed857f73da6f243d3d5a76b0e6c5
diff --git a/sys-devel/clang-common/clang-common-20.0.0_pre20240808.ebuild b/sys-devel/clang-common/clang-common-20.0.0_pre20240808.ebuild
new file mode 100644
index 000000000000..090a45690818
--- /dev/null
+++ b/sys-devel/clang-common/clang-common-20.0.0_pre20240808.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 (<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(__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
+}