alpha-dec-osf=alpha_cc
alpha-unknown-linux-gnu=linux_alpha
hppa1.1-hp-hpux=hpux_cc
hppa2.0-hp-hpux10.20=hpux_cc
hppa1.1-stratus-sysv4=svr4
i386-next-nextstep3=nextstep
i386-pc-bsdi2.0=bsdi_2.0
i386-pc-bsdi2.1=bsdi_2.1
i386-pc-bsdi3=bsdi_2.1
i386-pc-bsdi4=bsdi_4.0
i386-pc-linux-gnu=linux_i386
i386-pc-solaris=solaris_i386_gcc
i386-pc-sunos5=solaris_i386_gcc
i386-unknown-freebsd=freebsd
i386-unknown-netbsd=netbsd
i386-pc-cygwin32=cygwin32
i486-pc-linux-gnu=linux_i386
i586-pc-linux-gnu=linux_i386
i586-pc-sco3.2v=sco
i686-pc-linux-gnu=linux_i386
i386-pc-cygwin=cygwin32
i486-pc-cygwin=cygwin32
i586-pc-cygwin=cygwin32
i686-pc-cygwin=cygwin32
m68k-unknown-linux=linux_m68k
m68k-unknown-linux-gnu=linux_m68k
mips-sgi-irix=irix5
powerpc-ibm-aix3.2.5=aix_325
powerpc-ibm-aix4.1=aix_41
powerpc-ibm-aix4.2=aix_42
powerpc-ibm-aix4.3=aix_42
powerpc-unknown-linux-gnu=linux_ppc
sparc-sun-solaris=solaris_sparc_gcc
sparc-sun-sunos4=sunos4_gcc
sparc-sun-sunos5=solaris_sparc_gcc
sparc-unknown-bsdi4=bsdi_4.0_sparc
sparc-unknown-linux-gnu=linux_sparc
mips-pc-linux-gnu=linux_mips
mipsel-unknown-linux-gnu=linux_mips
arm-unknown-linux-gnu=linux_arm