1$COMMON=rand_unix.c rand_win.c rand_tsc.c rand_cpu_x86.c 2IF[{- $config{target} =~ /vxworks/i -}] 3 $COMMON=$COMMON rand_vxworks.c 4ENDIF 5IF[{- $config{target} =~ /vms/i -}] 6 $COMMON=$COMMON rand_vms.c 7ENDIF 8 9SOURCE[../../../libdefault.a]=$COMMON 10 11