Index: acpica-unix-20080701.old/compiler/Makefile
===================================================================
--- acpica-unix-20080701.old.orig/compiler/Makefile
+++ acpica-unix-20080701.old/compiler/Makefile
@@ -1,7 +1,7 @@
  
 
 PROG=	iasl
-SRCS=	aslcompilerparse.c aslcompilerlex.c aslanalyze.c aslcodegen.c \
+SRCS=	aslcompiler.y.c aslcompilerlex.c aslanalyze.c aslcodegen.c \
 	aslcompile.c aslerror.c aslfiles.c asllength.c \
 	asllisting.c aslload.c asllookup.c aslmain.c aslmap.c aslopcodes.c \
 	asloperands.c aslresource.c aslrestype1.c aslrestype2.c aslstartup.c \
@@ -89,6 +89,7 @@ SRCS=	aslcompilerparse.c aslcompilerlex.
 	../tables/tbutils.c \
 	../tables/tbxface.c \
 	../osunixxf.c
+OBJS = $(patsubst %.c,%.o, $(SRCS))
 
 NOMAN=	YES
 CFLAGS+= -Wall -O2 -Wstrict-prototypes -D_LINUX -DACPI_ASL_COMPILER -I../include 
@@ -105,17 +106,19 @@ YFLAGS+= -y -pAslCompiler
 #CFLAGS+= -D_USE_BERKELEY_YACC
 #.endif
 
-aslmain : $(patsubst %.c,%.o, $(SRCS))
+aslmain : $(OBJS)
 	$(CC) $(LDFLAGS) $(patsubst %.c,%.o, $(SRCS)) \
 		$(LOADLIBES) $(LDLIBS) -o iasl
 
+$(OBJS): aslcompiler.y.h
+
 CLEANFILES= y.output y.tab.c y.tab.h aslcompiler.y.h \
-	aslcompilerparse.c aslcompilerlex.c iasl
+	aslcompiler.y.c aslcompilerlex.c iasl
+
+aslcompiler.y.h: aslcompiler.y.c
 
-aslcompilerparse.c: aslcompiler.y
-	${YACC} ${YFLAGS} aslcompiler.y
-	cp y.tab.c aslcompilerparse.c
-	cp y.tab.h aslcompiler.y.h
+aslcompiler.y.c: aslcompiler.y
+	${YACC} ${YFLAGS} aslcompiler.y -o aslcompiler.y.c
 
 aslcompilerlex.c: aslcompiler.l
 	${LEX} ${LFLAGS} -PAslCompiler -oaslcompilerlex.c aslcompiler.l