DIR alpha-dec-osf1v4.0
   DIR alpha-unknown-linux
   DIR hppa-hp-hpux
   DIR old
   DIR ppc-unknown-linux
   DIR sparc-sun-solaris
   DIR wince
   DIR wince3.0
   DIR x86-bsdi-bsdos
   DIR x86-sun-solaris
   DIR x86-unknown-linux-glibc
   DIR x86-unknown-linux-glibc2.1
   DIR x86-unknown-linux-libc5