use '-m64' instead of '-arch ppc64', this seems   to work on intel and ppc default to -m64 on os x
use '-m64' instead of '-arch ppc64', this seems
  to work on intel and ppc
default to -m64 on os x


git-svn-id: 6b0ac017e42d307e3c8dde35033ecb159d7d210f@8 6687424e-f796-406d-b1dd-24293e5947de

samrushing/irken-compiler,samrushing/irken-compiler,samrushing/irken-compiler,samrushing/irken-compiler