diff -cr flex/Makefile flex.new/Makefile
*** flex/Makefile	Fri Nov 18 20:20:46 1988
--- flex.new/Makefile	Tue Dec 20 11:06:17 1988
***************
*** 6,12 ****
  F_SKELETON_FILE = \"/usr/local/lib/flex.fastskel\"
  SKELFLAGS = -DDEFAULT_SKELETON_FILE=$(SKELETON_FILE) \
  	    -DFAST_SKELETON_FILE=$(F_SKELETON_FILE)
! CFLAGS = -O
  LDFLAGS =
  
  FLEX_FLAGS = -ist
--- 6,12 ----
  F_SKELETON_FILE = \"/usr/local/lib/flex.fastskel\"
  SKELFLAGS = -DDEFAULT_SKELETON_FILE=$(SKELETON_FILE) \
  	    -DFAST_SKELETON_FILE=$(F_SKELETON_FILE)
! CFLAGS = -O -DSV
  LDFLAGS =
  
  FLEX_FLAGS = -ist
Only in flex.new: scan.c