| Package | “default-compiler-rt” Flag Description | 
|---|---|
| llvm-core/clang-common | Use compiler-rt + libunwind instead of libgcc as the default rtlib for clang | 
| llvm-runtimes/clang-rtlib-config | Use compiler-rt + libunwind instead of libgcc as the default rtlib for clang | 
| llvm-runtimes/clang-runtime | Use compiler-rt + libunwind instead of libgcc as the default rtlib for clang | 
| llvm-runtimes/clang-unwindlib-config | Use compiler-rt + libunwind instead of libgcc as the default rtlib for clang |