PPC32: Makefile tidy-up, mostly from Sam Ravnborg

arch/ppc/Makefile

 # This file is included by the global makefile so that you can add your own
-# architecture-specific flags and dependencies. Remember to do have actions
-# for "archclean" and "archdep" for cleaning up and making dependencies for
-# this architecture
+# architecture-specific flags and dependencies.
 #
 # This file is subject to the terms and conditions of the GNU General Public
 # License.  See the file "COPYING" in the main directory of this archive
@@ -17,24 +15,20 @@ KERNELLOAD	=$(CONFIG_KERNEL_START)
 
 LDFLAGS_BLOB	:= --format binary --oformat elf32-powerpc
 LDFLAGS_vmlinux	= -Ttext $(KERNELLOAD) -Bstatic
-CPPFLAGS	:= $(CPPFLAGS) -I$(TOPDIR)/arch/$(ARCH)
-AFLAGS		:= $(AFLAGS) -I$(TOPDIR)/arch/$(ARCH)
-CFLAGS		:= $(CFLAGS) -I$(TOPDIR)/arch/$(ARCH) -msoft-float -pipe \
+CPPFLAGS	+= -Iarch/$(ARCH)
+AFLAGS		+= -Iarch/$(ARCH)
+cflags-y	+= -Iarch/$(ARCH) -msoft-float -pipe \
 		-ffixed-r2 -Wno-uninitialized -mmultiple -mstring
 CPP		= $(CC) -E $(CFLAGS)
 
-ifdef CONFIG_4xx
-CFLAGS := $(CFLAGS) -Wa,-m405
-endif
+cflags-$(CONFIG_4xx)		+= -Wa,-m405
+cflags-$(CONFIG_PPC64BRIDGE)	+= -Wa,-mppc64bridge
+# Use sed to remove the quotes.
+cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \
+	$(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
 
-ifdef CONFIG_PPC64BRIDGE
-CFLAGS := $(CFLAGS) -Wa,-mppc64bridge
-endif
+CFLAGS += $(cflags-y)
 
-ifdef CONFIG_MORE_COMPILE_OPTIONS
-# Use sed to remove the quotes.
-  CFLAGS += $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
-endif
 
 head-y				:= arch/ppc/kernel/head.o
 head-$(CONFIG_8xx)		:= arch/ppc/kernel/head_8xx.o

arch/ppc/boot/Makefile

@@ -10,8 +10,8 @@
 # modified by Cort (cort@cs.nmt.edu)
 #
 
-CFLAGS	+= -fno-builtin -D__BOOTER__ -Iarch/$(ARCH)/boot/include
-HOSTCFLAGS += -I$(TOPDIR)/arch/$(ARCH)/boot/include
+CFLAGS	 	+= -fno-builtin -D__BOOTER__ -Iarch/$(ARCH)/boot/include
+HOSTCFLAGS	+= -Iarch/$(ARCH)/boot/include
 
 BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd
 
@@ -21,7 +21,7 @@ subdir-y			:= lib common images
 subdir-$(CONFIG_ALL_PPC)	+= of1275
 
 # for cleaning
-subdir-				+= simple openfirmware prep
+subdir-				+= simple/ openfirmware/ prep/
 
 tools-$(CONFIG_ALL_PPC)		:= addnote mknote hack-coff mkprep
 tools-$(CONFIG_PPLUS)		:= mkbugboot mkprep
@@ -34,8 +34,6 @@ tools-$(CONFIG_PRPMC750)	:= mkbugboot mkprep
 tools-$(CONFIG_PRPMC800)	:= mkbugboot mkprep
 tools-$(CONFIG_SPRUCE)		:= mktree
 
-all-tools := addnote mknote hack-coff mkprep mkbugboot mktree
-
 host-progs			:= $(addprefix utils/,$(tools-y))
 
 .PHONY: $(BOOT_TARGETS) $(bootdir-y)

arch/ppc/boot/images/Makefile

@@ -2,7 +2,7 @@
 # This dir holds all of the images for PPC machines.
 # Tom Rini	January 2001
 
-targets		:= vmlinux.gz
+extra-y		:= vmlinux.gz
 GZIP_FLAGS	:= -v9f
 
 $(obj)/vmlinux.gz: vmlinux

arch/ppc/boot/openfirmware/Makefile

@@ -26,10 +26,15 @@ COFF_LD_ARGS = -T $(boot)/ld.script -e _start -Ttext 0x00700000 -Bstatic
 CHRP_LD_ARGS = -T $(boot)/ld.script -e _start -Ttext 0x00800000
 NEWWORLD_LD_ARGS = -T $(boot)/ld.script -e _start -Ttext 0x01000000
 
-COMMONOBJS = $(obj)/start.o $(obj)/misc.o $(obj)/common.o
-COFFOBJS = $(obj)/coffcrt0.o $(COMMONOBJS) $(obj)/coffmain.o
-CHRPOBJS = $(obj)/crt0.o $(COMMONOBJS) $(obj)/chrpmain.o
-NEWWORLDOBJS = $(obj)/crt0.o $(COMMONOBJS) $(obj)/newworldmain.o
+COMMONOBJS	:= start.o misc.o common.o
+COFFOBJS	:= coffcrt0.o $(COMMONOBJS) coffmain.o
+CHRPOBJS	:= crt0.o $(COMMONOBJS) chrpmain.o
+NEWWORLDOBJS	:= crt0.o $(COMMONOBJS) newworldmain.o
+
+EXTRA_TARGETS := $(COFFOBJS) $(CHRPOBJS) $(NEWWORLDOBJS)
+COFFOBJS	:= $(addprefix $(obj)/, $(COFFOBJS))
+CHRPOBJS	:= $(addprefix $(obj)/, $(CHRPOBJS))
+NEWWORLDOBJS	:= $(addprefix $(obj)/, $(NEWWORLDOBJS))
 
 LIBS = lib/lib.a $(bootlib)/lib.a $(of1275)/lib.a $(common)/lib.a
 

arch/ppc/boot/prep/Makefile

@@ -35,7 +35,8 @@ of1275 := $(boot)/of1275
 images := $(boot)/images
 simple := $(boot)/simple
 
-OBJS	:= $(addprefix $(obj)/,$(boot-y)) $(simple)/legacy.o 
+EXTRA_TARGETS	:= $(boot-y) ../simple/legacy.o
+OBJS		:= $(addprefix $(obj)/,$(boot-y)) $(simple)/legacy.o 
 
 # Tools
 MKPREP				:= $(utils)/mkprep

arch/ppc/kernel/Makefile

@@ -28,11 +28,8 @@ obj-$(CONFIG_PCI)		+= pci-dma.o
 obj-$(CONFIG_KGDB)		+= ppc-stub.o
 obj-$(CONFIG_SMP)		+= smp.o
 obj-$(CONFIG_TAU)		+= temp.o
-ifeq ($(CONFIG_8xx),y)
-ifneq ($(CONFIG_MATH_EMULATION),n)
-obj-y				+= softemu8xx.o
-endif
+
+ifdef CONFIG_MATH_EMULATION
+obj-$(CONFIG_8xx)		+= softemu8xx.o
 endif
 
-find_name : find_name.c
-	$(HOSTCC) $(HOSTCFLAGS) -o find_name find_name.c

arch/ppc/platforms/Makefile

@@ -10,7 +10,7 @@ EXTRA_AFLAGS		:= -Wa,-m405
 endif
 
 # Extra CFLAGS so we don't have to do relative includes
-CFLAGS_pmac_setup.o	+= -I$(TOPDIR)/arch/$(ARCH)/mm
+CFLAGS_pmac_setup.o	+= -Iarch/$(ARCH)/mm
 
 obj-$(CONFIG_APUS)		+= apus_setup.o
 ifeq ($(CONFIG_APUS),y)

arch/ppc/syslib/Makefile

@@ -64,5 +64,3 @@ obj-$(CONFIG_ZX4500)		+= indirect_pci.o pci_auto.o mpc10x_common.o \
 obj-$(CONFIG_8260)		+= m8260_setup.o ppc8260_pic.o
 obj-$(CONFIG_BOOTX_TEXT)	+= btext.o
 
-find_name : find_name.c
-	$(HOSTCC) $(HOSTCFLAGS) -o find_name find_name.c