diff options
Diffstat (limited to 'sys-devel/clang-common/clang-common-16.0.0_rc1.ebuild')
| -rw-r--r-- | sys-devel/clang-common/clang-common-16.0.0_rc1.ebuild | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/sys-devel/clang-common/clang-common-16.0.0_rc1.ebuild b/sys-devel/clang-common/clang-common-16.0.0_rc1.ebuild new file mode 100644 index 000000000000..be17e87b775a --- /dev/null +++ b/sys-devel/clang-common/clang-common-16.0.0_rc1.ebuild @@ -0,0 +1,168 @@ +# 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 ) + !llvm-libunwind? ( sys-libs/libunwind ) + ) + !default-compiler-rt? ( sys-devel/gcc ) + default-libcxx? ( >=sys-libs/libcxx-${PV} ) + !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=$(usex default-lld lld bfd) + EOF + + newins - gentoo-gcc-install.cfg <<-EOF + # This file is maintained by gcc-config. + # It is used to specify the selected GCC installation. + EOF + + newins - gentoo-common.cfg <<-EOF + # This file contains flags common to clang, clang++ and clang-cpp. + @gentoo-runtimes.cfg + @gentoo-gcc-install.cfg + @gentoo-hardened.cfg + EOF + + # Baseline hardening (bug #851111) + newins - gentoo-hardened.cfg <<-EOF + # Some of these options are added unconditionally, regardless of + # USE=hardened, for parity with sys-devel/gcc. + -fstack-clash-protection + -fstack-protector-strong + -fPIE + -include "${EPREFIX}/usr/include/gentoo/fortify.h" + EOF + + dodir /usr/include/gentoo + + 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 + #ifndef _FORTIFY_SOURCE + #if defined(__OPTIMIZE__) && __OPTIMIZE__ > 0 + #define _FORTIFY_SOURCE ${fortify_level} + #endif + #endif + EOF + + if use hardened ; then + cat >> "${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 + -D_LIBCPP_ENABLE_ASSERTIONS=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 >> "${ED}/etc/clang/gentoo-common.cfg" <<-EOF || die + @gentoo-stricter.cfg + EOF + fi + + local tool + for tool in clang{,++,-cpp}; do + newins - "${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 +} |