executables that work on multiple system types---known as @dfn{fat} or
@dfn{universal} binaries---by specifying multiple @option{-arch} options
to the compiler but only a single @option{-arch} option to the
executables that work on multiple system types---known as @dfn{fat} or
@dfn{universal} binaries---by specifying multiple @option{-arch} options
to the compiler but only a single @option{-arch} option to the