Architectures supported:

linux                for Linux egcs 1.1.x, gcc 2.9x, gcc 3.x and glibc
linuxrh51            for Linux gcc 2.7.x.x and glibc
linuxrh42            for Linux gcc 2.7.x.x and libc5
linuxdeb             for Linux (Debian) egcs and glibc
linuxdeb2            for Linux (Debian v2.0) egcs and glibc
linuxkcc             for Linux KAI's KCC and glibc
linuxicc             for Linux Intel's icc and glibc
linuxsuse6           for Linux (SuSE v6.0) egcs and glibc
linuxpgcc            for Linux pgcc and glibc
linuxppcegcs         for PPC Linux egcs and glibc
linuxdeb2ppc         for PPC Linux based on Debian v2.0
linuxia64gcc         for Itanium Linux gcc 2.9x and glibc
linuxia64sgi         for Itanium Linux sgiCC and glibc
linuxia64ecc         for Itanium Linux Intel ecc and glibc
linuxalphaegcs       for Alpha Linux egcs and glibc
linuxarm             for ARM Linux egcs and glibc
mklinux              for MkLinux gcc and glibc
freebsd              for FreeBSD
freebsd4             for FreeBSD 4.x
hpux                 for HP-UX 10.20 CC
hpuxacc              for HP-UX 10.20 aCC
hpuxegcs             for HP-UX 10.20 egcs 1.1.x
alphacxx6            for DEC Unix cxx6
alphaegcs            for DEC Unix egcs 1.1.x
alphakcc             for DEC Unix KCC
solaris              for Solaris CC
solarisCC5           for Solaris CC 5.0
solarisegcs          for Solaris egcs 1.1.x
solarisgcc           for Solaris gcc 2.8.1
solariskcc           for Solaris KCC
sgicc                for SGI IRIX 6.x CC
sgikcc               for SGI IRIX 6.x KCC
sgiegcs              for SGI IRIX 6.x egcs 1.1.x
sgin32egcs           for SGI IRIX 6.4 egcs 1.1.x using n32 ABI
aix                  for AIX 4.x xlC
aix5                 for AIX 5.x xlC
aixegcs              for AIX 4.x egcs 1.1.x
lynxos               for LynxOS with gcc
macosx               for MacOS X with cc
win32                for Win32 with VC++
win32egcs            for Win32 with egcs (Cygwin)