1 (-W1 -Od -Olt -DDEBUGGING -Gt2048
2 array.c cmd.c cons.c consarg.c doarg.c doio.c dolist.c dump.c form.c
3 hash.c perl.c perly.c regcomp.c regexec.c stab.c str.c util.c
5 (-W1 -Od -Olt -B2C2L -B3C3L -DDEBUGGING eval.c{evalargs.xc} toke.c)
6 (-W1 -Od -Olt os2.c popen.c mktemp.c director.c suffix.c)