3dfx 3dnow 3dnowext acpi adabas afs avi birdstep db2 dbmaker esoob fdftk filepro firebird fmod hdf hyperwave icc icc-pgo ifc informix ingres mmx mmx2 pfpro selinux solid sse sse2 svga sybase sybase-ct tcc uclibc uml # aqua USE flag is only valid on Mac OS X aqua emul-linux-x86