portage-conf/env/clang-20

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COMMON_FLAGS="-O2 -pipe -march=native -flto=thin"
CFLAGS="${COMMON_FLAGS}"
CXXFLAGS="${COMMON_FLAGS}"
FCFLAGS="${COMMON_FLAGS}"
FFLAGS="${COMMON_FLAGS}"
CC="clang-20"
CXX="clang++-20"
AR="llvm-ar"
AS="clang-20 -c"
CPP="clang-cpp-20"
NM="llvm-nm"
STRIP="llvm-strip"
RANLIB="llvm-ranlib"
OBJCOPY="llvm-objcopy"
STRINGS="llvm-strings"
OBJDUMP="llvm-objdump"
READELF="llvm-readelf"
ADDR2LINE="llvm-addr2line"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LDFLAGS="${LDFLAGS} -rtlib=compiler-rt -unwindlib=libunwind"
LDFLAGS="${LDFLAGS} -flto"
# RUSTFLAGS="-C target-cpu=native -C opt-level=3 -C linker=clang-20 -C link-arg=-fuse-ld=mold"
USE="${USE} clang llvm-libunwind"