diff -rcB jpegdir/SETUP jpegdir_patched/SETUP
*** jpegdir/SETUP	2012-02-10 12:32:23.000000000 -0500
--- jpegdir_patched/SETUP	2012-02-10 12:30:35.000000000 -0500
***************
*** 30,35 ****
--- 30,39 ----
  and then remade, in which case, the lexer.c file will be older because
  is lexically of lesser value than lexer.l.  This is a potential bug.
  
+ For recent MacOS versions, need to changer lexer.l to specify
+ "%option noyywrap" outside the "%{ ...}%" section and remove the
+ "#define yywrap() 1" definition.
+ 
  3) Testing the program.
  
  Two small test files are nonint.jpg and blkint.jpg.  If you wish to
Only in jpegdir: lexer.c
diff -rcB jpegdir/lexer.l jpegdir_patched/lexer.l
*** jpegdir/lexer.l	1995-03-01 20:57:15.000000000 -0500
--- jpegdir_patched/lexer.l	2012-02-10 12:28:37.000000000 -0500
***************
*** 15,28 ****
  Video Research Group (PVRG) code, and not by any author(s) (or
  Stanford University) name.
  *************************************************************/
- %{
  
- /*LABEL lexer.c */
  
! /* Redefine the yywrap so that we don't have
!    to worry about lex library */
  
! # define yywrap() (1)
  
  static char *ReservedWords[] = {   /* Token names */
  "COMPONENT",
--- 15,27 ----
  Video Research Group (PVRG) code, and not by any author(s) (or
  Stanford University) name.
  *************************************************************/
  
  
! %option noyywrap
  
! %{
! 
! /*LABEL lexer.c */
  
  static char *ReservedWords[] = {   /* Token names */
  "COMPONENT",
diff -rcB jpegdir/makefile jpegdir_patched/makefile
*** jpegdir/makefile	2012-02-10 12:32:23.000000000 -0500
--- jpegdir_patched/makefile	2012-02-10 12:24:20.000000000 -0500
***************
*** 12,20 ****
  #DEFINES = -DSYSV -DNOTRUNCATE
  #
  
! DEFINES = -DFCNTL_FOR_O_RDONLY 
  CC = gcc
! #LEXARGS = -ll
  JFLAGS = -O
  DEFS = system.h globals.h prototypes.h param.h
  BASELINE =  jpeg.o codec.o huffman.o io.o chendct.o leedct.o lexer.o marker.o stream.o transform.o
--- 12,20 ----
  #DEFINES = -DSYSV -DNOTRUNCATE
  #
  
! #DEFINES = -DFCNTL_FOR_O_RDONLY 
  CC = gcc
! LEXARGS = -ll
  JFLAGS = -O
  DEFS = system.h globals.h prototypes.h param.h
  BASELINE =  jpeg.o codec.o huffman.o io.o chendct.o leedct.o lexer.o marker.o stream.o transform.o