<boolean id="sparclinux" _label="Sparc Linux" arg-set="-sparclinux"/>
<boolean id="solaris" _label="Solaris" arg-unset="-no-solaris"/>
<boolean id="sco" _label="SCO" arg-unset="-no-sco"/>
+ <boolean id="hvx" _label="HVX/GCOS6" arg-unset="-no-hvx"/>
<boolean id="hpux" _label="HPUX" arg-unset="-no-hpux"/>
<boolean id="amiga" _label="AmigaDOS" arg-unset="-no-amiga"/>
<boolean id="atari" _label="Atari" arg-set="-atari"/>