--- a/Makefile	Fri Oct 28 15:41:27 2011 +0900
+++ b/Makefile	Fri Oct 28 19:49:23 2011 +0900
@@ -1,14 +1,14 @@
 TEST = s-imac64
 
 CC = gcc
-CFLAGS = -g   -Wall
+CFLAGS = -g -O  -Wall
 YYFLAGS = -v
 COMPILER = s-compile.o s-token.o
 # COMPILER = s-tree-compile.o s-token.o
 # COMPILER = s-yacc.o s-token.o
 
 # TARGET =  token calc  s-calc s-prefix s-rpn s-09 s-intel s-intel-r s-sparc s-rs6k s-m68k s-ppc s-imac
-TARGET =  token calc  s-calc s-prefix s-rpn s-intel s-intel-r s-sparc s-ppc s-imac
+TARGET =  token calc  s-calc s-prefix s-rpn s-intel s-intel-r s-sparc s-ppc s-imac s-imac64
 all:     $(TARGET)
 
 token:     token.o s-token.o
@@ -68,7 +68,7 @@
 	( cd ..; tar zcf compiler-examples.tgz --exclude CVS compiler-examples )
 
 clean:
-	rm -f *.o  $(TARGET) a.out s-output.s s-output.a09 s-output 
+	rm -rf *.o  $(TARGET) a.out s-output.s s-output.a09 s-output  *.dSYM *.s
 	rm -f s-yacc.c y.tab.c y.tab.h
 
 # DO NOT DELETE