You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
1.8 KiB
64 lines
1.8 KiB
# Copyright 2021-2023 Gentoo Authors
|
|
# Distributed under the terms of the GNU General Public License v2
|
|
|
|
# this is for now highly experimental -dilfridge
|
|
|
|
# use clang as the primary compiler
|
|
CC="clang"
|
|
CXX="clang++"
|
|
|
|
# libtool needs this
|
|
LD="ld.lld"
|
|
|
|
# linker flags
|
|
# We don't set LDFLAGS here for linker, rtlib, etc because clang-common enforces
|
|
# the needed bits for us and it confuses clang->gcc for stuff like Fortran,
|
|
# see bug #908798.
|
|
LDFLAGS="${LDFLAGS} -Wl,--as-needed"
|
|
|
|
# use LLVM-provided binutils
|
|
AR="llvm-ar"
|
|
AS="clang -c"
|
|
CPP="clang-cpp"
|
|
NM="llvm-nm"
|
|
STRIP="llvm-strip"
|
|
RANLIB="llvm-ranlib"
|
|
OBJCOPY="llvm-objcopy"
|
|
STRINGS="llvm-strings"
|
|
OBJDUMP="llvm-objdump"
|
|
READELF="llvm-readelf"
|
|
ADDR2LINE="llvm-addr2line"
|
|
|
|
# Rust needs this to build some crates (like uutils)
|
|
# https://github.com/rust-lang/rust/blob/master/compiler/rustc_llvm/build.rs
|
|
LLVM_USE_LIBCXX=1
|
|
# https://github.com/rust-lang/cc-rs#c-support
|
|
# https://github.com/rust-lang/cc-rs/blob/main/src/lib.rs
|
|
CXXSTDLIB="c++"
|
|
|
|
# bootstrap USE for stage1
|
|
|
|
# curl needed by cmake
|
|
BOOTSTRAP_USE="${BOOTSTRAP_USE} ssl curl_ssl_openssl"
|
|
|
|
# Clang needs this
|
|
BOOTSTRAP_USE="${BOOTSTRAP_USE} python_single_target_python3_11"
|
|
|
|
# sys-devel/llvm
|
|
BOOTSTRAP_USE="${BOOTSTRAP_USE} -binutils-plugin"
|
|
|
|
# sys-devel/clang, sys-devel/clang-runtime, sys-libs/llvm-libunwind, sys-libs/libcxx, sys-libs/libcxxabi
|
|
BOOTSTRAP_USE="${BOOTSTRAP_USE} compiler-rt clang libunwind"
|
|
|
|
# sys-devel/clang
|
|
BOOTSTRAP_USE="${BOOTSTRAP_USE} default-compiler-rt default-lld default-libcxx llvm-libunwind"
|
|
|
|
# sys-devel/clang-runtime
|
|
BOOTSTRAP_USE="${BOOTSTRAP_USE} libcxx -sanitize"
|
|
|
|
# sys-libs/libcxxabi
|
|
BOOTSTRAP_USE="${BOOTSTRAP_USE} libcxxabi"
|
|
|
|
# llvm & clang: explicitly disable all extra targets, otherwise linking stage2 fails
|
|
BOOTSTRAP_USE="${BOOTSTRAP_USE} -llvm_targets_BPF -llvm_targets_AMDGPU -llvm_targets_NVPTX -llvm_targets_BPF"
|