Install ELF Tool Chain's binary utilities instead of LLVM's. This includes .Xr addr2line 1 , .Xr ar 1 , .Xr nm 1 , .Xr objcopy 1 , .Xr ranlib 1 , .Xr readelf 1 , .Xr size 1 , and .Xr strip 1 . Regardless of this setting, LLVM tools are used for .Xr c++filt 1 and .Xr objdump 1 . .Xr strings 1 is always provided by ELF Tool Chain.