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From: "Sam James" <sam@gentoo.org>
To: gentoo-commits@lists.gentoo.org
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Reply-To: gentoo-dev@lists.gentoo.org, "Sam James" <sam@gentoo.org>
Message-ID: <1692598479.3950a8423a88641745ec996ee15a02e2e298ef94.sam@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/clang-common-17.0.0.9999.ebuild sys-devel/clang-common/clang-common-17.0.0_rc2-r1.ebuild sys-devel/clang-common/clang-common-17.0.0_rc2-r2.ebuild sys-devel/clang-common/clang-common-18.0.0.9999.ebuild sys-devel/clang-common/clang-common-18.0.0_pre20230803-r1.ebuild sys-devel/clang-common/clang-common-18.0.0_pre20230803.ebuild sys-devel/clang-common/clang-common-18.0.0_pre20230810-r1.ebuild sys-devel/clang-common/clang-common-18.0.0_pre20230810-r2.ebuild sys-devel/clang-common/clang-common-18.0.0_pre20230820-r1.ebuild sys-devel/clang-common/clang-common-18.0.0_pre20230820.ebuild
X-VCS-Directories: sys-devel/clang-common/
X-VCS-Committer: sam
X-VCS-Committer-Name: Sam James
X-VCS-Revision: 3950a8423a88641745ec996ee15a02e2e298ef94
X-VCS-Branch: master
Date: Mon, 21 Aug 2023 06:14:52 +0000 (UTC)
Precedence: bulk
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commit: 3950a8423a88641745ec996ee15a02e2e298ef94
Author: Alfred Wingate <parona <AT> protonmail <DOT> com>
AuthorDate: Sun Aug 20 16:48:54 2023 +0000
Commit: Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Mon Aug 21 06:14:39 2023 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=3950a842
sys-devel/clang-common: Install config files for all supported ABIs
Closes: https://bugs.gentoo.org/912685
Signed-off-by: Alfred Wingate <parona <AT> protonmail.com>
Closes: https://github.com/gentoo/gentoo/pull/32395
Signed-off-by: Sam James <sam <AT> gentoo.org>
.../clang-common/clang-common-17.0.0.9999.ebuild | 22 ++-
...r1.ebuild => clang-common-17.0.0_rc2-r2.ebuild} | 22 ++-
.../clang-common/clang-common-18.0.0.9999.ebuild | 22 ++-
...d => clang-common-18.0.0_pre20230803-r1.ebuild} | 22 ++-
.../clang-common-18.0.0_pre20230810-r1.ebuild | 194 ---------------------
...d => clang-common-18.0.0_pre20230810-r2.ebuild} | 22 ++-
...d => clang-common-18.0.0_pre20230820-r1.ebuild} | 22 ++-
.../clang-common-18.0.0_pre20230820.ebuild | 194 ---------------------
8 files changed, 84 insertions(+), 436 deletions(-)
diff --git a/sys-devel/clang-common/clang-common-17.0.0.9999.ebuild b/sys-devel/clang-common/clang-common-17.0.0.9999.ebuild
index aed6e024eff7..abf3150abbd6 100644
--- a/sys-devel/clang-common/clang-common-17.0.0.9999.ebuild
+++ b/sys-devel/clang-common/clang-common-17.0.0.9999.ebuild
@@ -3,7 +3,7 @@
EAPI=8
-inherit bash-completion-r1 llvm.org
+inherit bash-completion-r1 llvm.org multilib
DESCRIPTION="Common files shared between multiple slots of clang"
HOMEPAGE="https://llvm.org/"
@@ -169,15 +169,21 @@ src_install() {
EOF
fi
- # We only install config files for ${CHOST} because unprefixed tools
+ # 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.
- local tool
- for tool in ${CHOST}-clang{,++,-cpp}; do
- newins - "${tool}.cfg" <<-EOF
- # This configuration file is used by ${tool} driver.
- @gentoo-common.cfg
- EOF
+ # 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}")
+
+ local tool
+ for tool in ${abi_chost}-clang{,++,-cpp}; do
+ newins - "${tool}.cfg" <<-EOF
+ # This configuration file is used by ${tool} driver.
+ @gentoo-common.cfg
+ EOF
+ done
done
}
diff --git a/sys-devel/clang-common/clang-common-17.0.0_rc2-r1.ebuild b/sys-devel/clang-common/clang-common-17.0.0_rc2-r2.ebuild
similarity index 92%
rename from sys-devel/clang-common/clang-common-17.0.0_rc2-r1.ebuild
rename to sys-devel/clang-common/clang-common-17.0.0_rc2-r2.ebuild
index aed6e024eff7..abf3150abbd6 100644
--- a/sys-devel/clang-common/clang-common-17.0.0_rc2-r1.ebuild
+++ b/sys-devel/clang-common/clang-common-17.0.0_rc2-r2.ebuild
@@ -3,7 +3,7 @@
EAPI=8
-inherit bash-completion-r1 llvm.org
+inherit bash-completion-r1 llvm.org multilib
DESCRIPTION="Common files shared between multiple slots of clang"
HOMEPAGE="https://llvm.org/"
@@ -169,15 +169,21 @@ src_install() {
EOF
fi
- # We only install config files for ${CHOST} because unprefixed tools
+ # 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.
- local tool
- for tool in ${CHOST}-clang{,++,-cpp}; do
- newins - "${tool}.cfg" <<-EOF
- # This configuration file is used by ${tool} driver.
- @gentoo-common.cfg
- EOF
+ # 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}")
+
+ local tool
+ for tool in ${abi_chost}-clang{,++,-cpp}; do
+ newins - "${tool}.cfg" <<-EOF
+ # This configuration file is used by ${tool} driver.
+ @gentoo-common.cfg
+ EOF
+ done
done
}
diff --git a/sys-devel/clang-common/clang-common-18.0.0.9999.ebuild b/sys-devel/clang-common/clang-common-18.0.0.9999.ebuild
index aed6e024eff7..abf3150abbd6 100644
--- a/sys-devel/clang-common/clang-common-18.0.0.9999.ebuild
+++ b/sys-devel/clang-common/clang-common-18.0.0.9999.ebuild
@@ -3,7 +3,7 @@
EAPI=8
-inherit bash-completion-r1 llvm.org
+inherit bash-completion-r1 llvm.org multilib
DESCRIPTION="Common files shared between multiple slots of clang"
HOMEPAGE="https://llvm.org/"
@@ -169,15 +169,21 @@ src_install() {
EOF
fi
- # We only install config files for ${CHOST} because unprefixed tools
+ # 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.
- local tool
- for tool in ${CHOST}-clang{,++,-cpp}; do
- newins - "${tool}.cfg" <<-EOF
- # This configuration file is used by ${tool} driver.
- @gentoo-common.cfg
- EOF
+ # 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}")
+
+ local tool
+ for tool in ${abi_chost}-clang{,++,-cpp}; do
+ newins - "${tool}.cfg" <<-EOF
+ # This configuration file is used by ${tool} driver.
+ @gentoo-common.cfg
+ EOF
+ done
done
}
diff --git a/sys-devel/clang-common/clang-common-18.0.0_pre20230803.ebuild b/sys-devel/clang-common/clang-common-18.0.0_pre20230803-r1.ebuild
similarity index 92%
rename from sys-devel/clang-common/clang-common-18.0.0_pre20230803.ebuild
rename to sys-devel/clang-common/clang-common-18.0.0_pre20230803-r1.ebuild
index aed6e024eff7..abf3150abbd6 100644
--- a/sys-devel/clang-common/clang-common-18.0.0_pre20230803.ebuild
+++ b/sys-devel/clang-common/clang-common-18.0.0_pre20230803-r1.ebuild
@@ -3,7 +3,7 @@
EAPI=8
-inherit bash-completion-r1 llvm.org
+inherit bash-completion-r1 llvm.org multilib
DESCRIPTION="Common files shared between multiple slots of clang"
HOMEPAGE="https://llvm.org/"
@@ -169,15 +169,21 @@ src_install() {
EOF
fi
- # We only install config files for ${CHOST} because unprefixed tools
+ # 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.
- local tool
- for tool in ${CHOST}-clang{,++,-cpp}; do
- newins - "${tool}.cfg" <<-EOF
- # This configuration file is used by ${tool} driver.
- @gentoo-common.cfg
- EOF
+ # 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}")
+
+ local tool
+ for tool in ${abi_chost}-clang{,++,-cpp}; do
+ newins - "${tool}.cfg" <<-EOF
+ # This configuration file is used by ${tool} driver.
+ @gentoo-common.cfg
+ EOF
+ done
done
}
diff --git a/sys-devel/clang-common/clang-common-18.0.0_pre20230810-r1.ebuild b/sys-devel/clang-common/clang-common-18.0.0_pre20230810-r1.ebuild
deleted file mode 100644
index aed6e024eff7..000000000000
--- a/sys-devel/clang-common/clang-common-18.0.0_pre20230810-r1.ebuild
+++ /dev/null
@@ -1,194 +0,0 @@
-# Copyright 1999-2023 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit bash-completion-r1 llvm.org
-
-DESCRIPTION="Common files shared between multiple slots of clang"
-HOMEPAGE="https://llvm.org/"
-
-LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
-SLOT="0"
-KEYWORDS=""
-IUSE="
- default-compiler-rt default-libcxx default-lld llvm-libunwind
- hardened stricter
-"
-
-PDEPEND="
- sys-devel/clang:*
- default-compiler-rt? (
- sys-devel/clang-runtime[compiler-rt]
- llvm-libunwind? ( sys-libs/llvm-libunwind[static-libs] )
- !llvm-libunwind? ( sys-libs/libunwind[static-libs] )
- )
- !default-compiler-rt? ( sys-devel/gcc )
- default-libcxx? ( >=sys-libs/libcxx-${PV}[static-libs] )
- !default-libcxx? ( sys-devel/gcc )
- default-lld? ( sys-devel/lld )
- !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 ${missing_flags[*]}"
- eerror
- eerror "or build with CLANG_IGNORE_DEFAULT_RUNTIMES=1."
- die "Mismatched defaults detected between sys-devel/clang and sys-devel/clang-common"
- fi
-}
-
-src_install() {
- newbashcomp bash-autocomplete.sh clang
-
- insinto /etc/clang
- newins - gentoo-runtimes.cfg <<-EOF
- # This file is initially generated by sys-devel/clang-runtime.
- # It is used to control the default runtimes using by clang.
-
- --rtlib=$(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
-
- # 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.
- -fstack-clash-protection
- -fstack-protector-strong
- -fPIE
- -include "${EPREFIX}/usr/include/gentoo/fortify.h"
- EOF
-
- dodir /usr/include/gentoo
-
- cat >> "${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
- # if !defined(__SANITIZE_ADDRESS__) && !__GENTOO_HAS_FEATURE(address_sanitizer) && !__GENTOO_HAS_FEATURE(memory_sanitizer)
- # define _FORTIFY_SOURCE ${fortify_level}
- # endif
- # endif
- # undef __GENTOO_HAS_FEATURE
- #endif
- EOF
-
- if use hardened ; then
- cat >> "${ED}/etc/clang/gentoo-hardened.cfg" <<-EOF || die
- # Options below are conditional on USE=hardened.
- -D_GLIBCXX_ASSERTIONS
-
- # Analogue to GLIBCXX_ASSERTIONS
- # https://libcxx.llvm.org/UsingLibcxx.html#assertions-mode
- # https://libcxx.llvm.org/Hardening.html#using-hardened-mode
- -D_LIBCPP_ENABLE_HARDENED_MODE=1
- EOF
- fi
-
- if use stricter; then
- newins - gentoo-stricter.cfg <<-EOF
- # This file increases the strictness of older clang versions
- # to match the newest upstream version.
-
- # clang-16 defaults
- -Werror=implicit-function-declaration
- -Werror=implicit-int
- -Werror=incompatible-function-pointer-types
-
- # constructs banned by C2x
- -Werror=deprecated-non-prototype
-
- # deprecated but large blast radius
- #-Werror=strict-prototypes
- EOF
-
- cat >> "${ED}/etc/clang/gentoo-common.cfg" <<-EOF || die
- @gentoo-stricter.cfg
- EOF
- fi
-
- # We only install config files for ${CHOST} because unprefixed tools
- # might be used for crosscompilation where e.g. PIE may not be supported.
- # See bug #912237 and bug #901247.
- local tool
- for tool in ${CHOST}-clang{,++,-cpp}; do
- newins - "${tool}.cfg" <<-EOF
- # This configuration file is used by ${tool} driver.
- @gentoo-common.cfg
- EOF
- done
-}
-
-pkg_preinst() {
- if has_version -b sys-devel/gcc-config && has_version sys-devel/gcc
- then
- local gcc_path=$(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
-}
diff --git a/sys-devel/clang-common/clang-common-17.0.0.9999.ebuild b/sys-devel/clang-common/clang-common-18.0.0_pre20230810-r2.ebuild
similarity index 92%
copy from sys-devel/clang-common/clang-common-17.0.0.9999.ebuild
copy to sys-devel/clang-common/clang-common-18.0.0_pre20230810-r2.ebuild
index aed6e024eff7..abf3150abbd6 100644
--- a/sys-devel/clang-common/clang-common-17.0.0.9999.ebuild
+++ b/sys-devel/clang-common/clang-common-18.0.0_pre20230810-r2.ebuild
@@ -3,7 +3,7 @@
EAPI=8
-inherit bash-completion-r1 llvm.org
+inherit bash-completion-r1 llvm.org multilib
DESCRIPTION="Common files shared between multiple slots of clang"
HOMEPAGE="https://llvm.org/"
@@ -169,15 +169,21 @@ src_install() {
EOF
fi
- # We only install config files for ${CHOST} because unprefixed tools
+ # 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.
- local tool
- for tool in ${CHOST}-clang{,++,-cpp}; do
- newins - "${tool}.cfg" <<-EOF
- # This configuration file is used by ${tool} driver.
- @gentoo-common.cfg
- EOF
+ # 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}")
+
+ local tool
+ for tool in ${abi_chost}-clang{,++,-cpp}; do
+ newins - "${tool}.cfg" <<-EOF
+ # This configuration file is used by ${tool} driver.
+ @gentoo-common.cfg
+ EOF
+ done
done
}
diff --git a/sys-devel/clang-common/clang-common-17.0.0.9999.ebuild b/sys-devel/clang-common/clang-common-18.0.0_pre20230820-r1.ebuild
similarity index 92%
copy from sys-devel/clang-common/clang-common-17.0.0.9999.ebuild
copy to sys-devel/clang-common/clang-common-18.0.0_pre20230820-r1.ebuild
index aed6e024eff7..abf3150abbd6 100644
--- a/sys-devel/clang-common/clang-common-17.0.0.9999.ebuild
+++ b/sys-devel/clang-common/clang-common-18.0.0_pre20230820-r1.ebuild
@@ -3,7 +3,7 @@
EAPI=8
-inherit bash-completion-r1 llvm.org
+inherit bash-completion-r1 llvm.org multilib
DESCRIPTION="Common files shared between multiple slots of clang"
HOMEPAGE="https://llvm.org/"
@@ -169,15 +169,21 @@ src_install() {
EOF
fi
- # We only install config files for ${CHOST} because unprefixed tools
+ # 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.
- local tool
- for tool in ${CHOST}-clang{,++,-cpp}; do
- newins - "${tool}.cfg" <<-EOF
- # This configuration file is used by ${tool} driver.
- @gentoo-common.cfg
- EOF
+ # 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}")
+
+ local tool
+ for tool in ${abi_chost}-clang{,++,-cpp}; do
+ newins - "${tool}.cfg" <<-EOF
+ # This configuration file is used by ${tool} driver.
+ @gentoo-common.cfg
+ EOF
+ done
done
}
diff --git a/sys-devel/clang-common/clang-common-18.0.0_pre20230820.ebuild b/sys-devel/clang-common/clang-common-18.0.0_pre20230820.ebuild
deleted file mode 100644
index aed6e024eff7..000000000000
--- a/sys-devel/clang-common/clang-common-18.0.0_pre20230820.ebuild
+++ /dev/null
@@ -1,194 +0,0 @@
-# Copyright 1999-2023 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit bash-completion-r1 llvm.org
-
-DESCRIPTION="Common files shared between multiple slots of clang"
-HOMEPAGE="https://llvm.org/"
-
-LICENSE="Apache-2.0-with-LLVM-exceptions UoI-NCSA"
-SLOT="0"
-KEYWORDS=""
-IUSE="
- default-compiler-rt default-libcxx default-lld llvm-libunwind
- hardened stricter
-"
-
-PDEPEND="
- sys-devel/clang:*
- default-compiler-rt? (
- sys-devel/clang-runtime[compiler-rt]
- llvm-libunwind? ( sys-libs/llvm-libunwind[static-libs] )
- !llvm-libunwind? ( sys-libs/libunwind[static-libs] )
- )
- !default-compiler-rt? ( sys-devel/gcc )
- default-libcxx? ( >=sys-libs/libcxx-${PV}[static-libs] )
- !default-libcxx? ( sys-devel/gcc )
- default-lld? ( sys-devel/lld )
- !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 ${missing_flags[*]}"
- eerror
- eerror "or build with CLANG_IGNORE_DEFAULT_RUNTIMES=1."
- die "Mismatched defaults detected between sys-devel/clang and sys-devel/clang-common"
- fi
-}
-
-src_install() {
- newbashcomp bash-autocomplete.sh clang
-
- insinto /etc/clang
- newins - gentoo-runtimes.cfg <<-EOF
- # This file is initially generated by sys-devel/clang-runtime.
- # It is used to control the default runtimes using by clang.
-
- --rtlib=$(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
-
- # 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.
- -fstack-clash-protection
- -fstack-protector-strong
- -fPIE
- -include "${EPREFIX}/usr/include/gentoo/fortify.h"
- EOF
-
- dodir /usr/include/gentoo
-
- cat >> "${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
- # if !defined(__SANITIZE_ADDRESS__) && !__GENTOO_HAS_FEATURE(address_sanitizer) && !__GENTOO_HAS_FEATURE(memory_sanitizer)
- # define _FORTIFY_SOURCE ${fortify_level}
- # endif
- # endif
- # undef __GENTOO_HAS_FEATURE
- #endif
- EOF
-
- if use hardened ; then
- cat >> "${ED}/etc/clang/gentoo-hardened.cfg" <<-EOF || die
- # Options below are conditional on USE=hardened.
- -D_GLIBCXX_ASSERTIONS
-
- # Analogue to GLIBCXX_ASSERTIONS
- # https://libcxx.llvm.org/UsingLibcxx.html#assertions-mode
- # https://libcxx.llvm.org/Hardening.html#using-hardened-mode
- -D_LIBCPP_ENABLE_HARDENED_MODE=1
- EOF
- fi
-
- if use stricter; then
- newins - gentoo-stricter.cfg <<-EOF
- # This file increases the strictness of older clang versions
- # to match the newest upstream version.
-
- # clang-16 defaults
- -Werror=implicit-function-declaration
- -Werror=implicit-int
- -Werror=incompatible-function-pointer-types
-
- # constructs banned by C2x
- -Werror=deprecated-non-prototype
-
- # deprecated but large blast radius
- #-Werror=strict-prototypes
- EOF
-
- cat >> "${ED}/etc/clang/gentoo-common.cfg" <<-EOF || die
- @gentoo-stricter.cfg
- EOF
- fi
-
- # We only install config files for ${CHOST} because unprefixed tools
- # might be used for crosscompilation where e.g. PIE may not be supported.
- # See bug #912237 and bug #901247.
- local tool
- for tool in ${CHOST}-clang{,++,-cpp}; do
- newins - "${tool}.cfg" <<-EOF
- # This configuration file is used by ${tool} driver.
- @gentoo-common.cfg
- EOF
- done
-}
-
-pkg_preinst() {
- if has_version -b sys-devel/gcc-config && has_version sys-devel/gcc
- then
- local gcc_path=$(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
-}