Supported CPUs:  (Put the GNU config.guess values here.)
     i386       i486-unknown-linux (gcc), i686-unknown-gnu0.9 (gcc),
                i386-unknown-sysv4.0 (gcc, /usr/bin/cc, /usr/ucb/cc),
                i386-pc-solaris2.6 (gcc), i386-pc-solaris2.10 (gcc, cc),
                i486-unknown-sco3.2v4.2 (gcc, cc -Of),
                i486-unknown-os2emx (gcc), i386-pc-cygwin32 (gcc),
                i386-pc-win32 (msvc4, msvc5)
     m68k       m68k-next-nextstep3 (cc), m68k-sun-sunos4.0 (cc),
                m68k-unknown-linux (gcc)
     mips       mips-sgi-irix4.0.5 (gcc, cc -ansi, cc -D__STDC__, cc -cckr),
                mips-sgi-irix5.2 (gcc, cc -ansi, cc -D__STDC__, cc -cckr),
                mips-sgi-irix5.3 (gcc, cc -ansi, cc -D__STDC__, cc -cckr),
                mips-sgi-irix6.2 (cc -32),
                mips-sgi-irix6.4 (cc -32, cc -n32, cc -64),
                mips-sgi-irix6.5 (cc -32, cc -n32, gcc -mabi=n32),
                mips-unknown-linux (gcc -mabi=32),
                mips64-unknown-linux (gcc -mabi=n32, gcc -mabi=64)
     sparc      sparc-sun-sunos4.1.1 (gcc, cc), sparc-sun-solaris2.3 (gcc)
                sparc-sun-solaris2.4 (gcc, cc), sparc-sun-solaris2.10 (gcc, cc),
                sparc64-sun-solaris2.10 (gcc -m64, cc -xarch=generic64),
                sparc-unknown-linux (gcc), sparc64-unknown-linux (gcc)
     alpha      alpha-dec-osf3.0 (gcc, cc), alpha-dec-osf4.0 (gcc, cc),
                alphaev67-unknown-linux (gcc)
     hppa       hppa1.0-hp-hpux8.00 (gcc, cc), hppa1.1-hp-hpux9.05 (cc),
                hppa1.1-hp-hpux10.01 (cc), hppa2.0-hp-hpux10.20 (cc +DA1.1),
                hppa2.0w-hp-hpux11.31 (cc)
     arm        armv5tejl-unknown-linux (gcc), armv7l-unknown-linux (gcc)
     arm64      aarch64-unknown-linux (gcc)
     powerpc    powerpc-ibm-aix4.1.4.0 (cc), powerpc-ibm-aix7.1.3.0 (xlc, gcc),
                powerpc-unknown-linux (gcc), powerpc-apple-darwin6.8 (gcc),
                powerpc-apple-darwin9.8.0 (gcc)
     powerpc64  powerpc-ibm-aix7.1.3.0 (gcc -maix64, xlc -q64; AR="ar -X 64"),
                powerpc64-unknown-linux (gcc -m64),
                powerpc64le-unknown-linux (gcc)
     ia64       ia64-unknown-linux (gcc)
     x86_64     x86_64-suse-linux (gcc), x86_64-unknown-linux (gcc -mx32),
                x86_64-pc-solaris2.10 (gcc -m64, cc -xarch=generic64)
     s390       s390x-ibm-linux (gcc -m31)
     s390x      s390x-ibm-linux (gcc)