PPC32: Further makefile updates from Sam Ravnborg.

arch/ppc/boot/prep/Makefile

@@ -45,7 +45,7 @@ zImage.initrd: initrd := .initrd
 zImage.initrd: $(images)/zImage.initrd.prep
 	@echo '  kernel: $@ is ready ($<)'
 
-mages)/ramdisk.image.gz:
+$(images)/ramdisk.image.gz:
 	@echo '  MISSING $@'
 	@echo '          RAM disk image must be provided separatly'
 	@/bin/false
@@ -68,20 +68,28 @@ $(obj)/image.initrd.o: $(obj)/dummy.o $(images)/vmlinux.gz $(images)/ramdisk.ima
 
 LDFLAGS_zImage.bin		:= -Ttext 0x00800000 -Bstatic -T
 LDFLAGS_zImage.initrd.bin	:= -Ttext 0x00800000 -Bstatic -T
-targets				+= zImage.bin zImage.initrd.bin
-$(obj)/zImage$(initrd).bin: $(boot)/ld.script $(OBJS) $(obj)/image.o $(LIBS)
+targets += zImage.bin
+$(obj)/zImage.bin: $(boot)/ld.script $(OBJS) $(obj)/image.o $(LIBS)
+	$(call if_changed,ld)
+targets += zImage.initrd.bin
+$(obj)/zImage.initrd.bin: $(boot)/ld.script $(OBJS) $(obj)/image.initrd.o $(LIBS)
 	$(call if_changed,ld)
 
 OBJCOPYFLAGS_zImage		:= -R .comment -R .stab -R .stabstr
 OBJCOPYFLAGS_zImage.initrd	:= -R .comment -R .stab -R .stabstr
-targets				+= zImage zImage.initrd
-$(obj)/zImage$(initrd): %: %.bin FORCE
+targets += zImage
+$(obj)/zImage: %: %.bin FORCE
+	$(call if_changed,objcopy)
+targets += zImage.initrd
+$(obj)/zImage.initrd: %: %.bin FORCE
 	$(call if_changed,objcopy)
 
 quiet_cmd_mkprep = MKPREP  $@
       cmd_mkprep = $(utils)/mkprep -pbp $< $@
 
-$(images)/zImage$(initrd).prep: $(obj)/zImage$(initrd) $(utils)/mkprep FORCE
+$(images)/zImage.prep: $(obj)/zImage $(utils)/mkprep
+	$(call cmd,mkprep)
+$(images)/zImage.initrd.prep: $(obj)/zImage.initrd $(utils)/mkprep
 	$(call cmd,mkprep)
 
 #
@@ -90,5 +98,11 @@ $(images)/zImage$(initrd).prep: $(obj)/zImage$(initrd) $(utils)/mkprep FORCE
 floppy: zImage
 	dd if=$(images)/zImage.prep of=/dev/fd0H1440 bs=64b
 
-znetboot.initrd : zImage$(initrd)
-	cp $(images)/zImage$(initrd).prep $(TFTPIMAGE)
+znetboot : zImage
+	cp $(images)/zImage.prep $(TFTPIMAGE)
+	@echo '  kernel: $@ is ready ($<)'
+
+znetboot.initrd : zImage.initrd
+	cp $(images)/zImage.initrd.prep $(TFTPIMAGE)
+	@echo '  kernel: $@ is ready ($<)'
+

arch/ppc/boot/simple/Makefile

@@ -160,8 +160,7 @@ MKBUGBOOT			:= $(utils)/mkbugboot
 MKPREP				:= $(utils)/mkprep
 MKTREE				:= $(utils)/mktree
 
-$(obj)/dummy.o: $(common)/dummy.c
-	$(CC) -c -o $@ $(common)/dummy.c
+targets := dummy.o
 
 $(obj)/zvmlinux: $(OBJS) $(LIBS) $(boot)/ld.script $(images)/vmlinux.gz \
 		$(obj)/dummy.o

arch/ppc/boot/simple/dummy.c

+int main(void)
+{
+	return 0;
+}