If LLVM_TOOL_LLVM_DRIVER_BUILD is enabled, make sure LLVM_TOOLCHAIN_TOOLS includes llvm-driver, otherwise with LLVM_INSTALL_TOOLCHAIN_ONLY will install an invalid toolchain Co-authored-by: Andarwinux <Andarwinux@users.noreply.github.com>
check_{compiler,linker}_flag
AddFileDependencies
CMakeParseArguments