Merge http://linux-sam.bkbits.net/kbuild

into tp1.ruhr-uni-bochum.de:/home/kai/src/kernel/v2.5/linux-2.5.make-sam

Makefile

@@ -200,7 +200,7 @@ scripts/docproc scripts/fixdep scripts/split-include : scripts ;
 
 .PHONY: scripts
 scripts:
-	+@$(Q)$(MAKE) -f scripts/Makefile.build obj=scripts
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=scripts
 
 # Objects we will link into vmlinux / subdirs we need to visit
 # ---------------------------------------------------------------------------
@@ -432,7 +432,7 @@ include/config/MARKER: scripts/split-include include/linux/autoconf.h
 # 	with it and forgot to run make oldconfig
 
 include/linux/autoconf.h: .config
-	+@$(call descend,scripts/kconfig,scripts/kconfig/conf)
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=scripts/kconfig scripts/kconfig/conf
 	./scripts/kconfig/conf -s arch/$(ARCH)/Kconfig
 
 # Generate some files
@@ -636,13 +636,13 @@ ifeq ($(filter-out $(noconfig_targets),$(MAKECMDGOALS)),)
 	make_with_config
 
 scripts/kconfig/conf scripts/kconfig/mconf scripts/kconfig/qconf: scripts/fixdep FORCE
-	+@$(call descend,scripts/kconfig,$@)
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=scripts/kconfig $@
 
 xconfig: scripts/kconfig/qconf
 	./scripts/kconfig/qconf arch/$(ARCH)/Kconfig
 
 menuconfig: scripts/kconfig/mconf
-	$(Q)$(MAKE) -f scripts/Makefile.build obj=scripts lxdialog
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=scripts/lxdialog
 	./scripts/kconfig/mconf arch/$(ARCH)/Kconfig
 
 config: scripts/kconfig/conf
@@ -824,7 +824,7 @@ else # ifneq ($(filter-out $(noconfig_targets),$(MAKECMDGOALS)),)
 # ===========================================================================
 
 %:: FORCE
-	$(MAKE) $@
+	$(Q)$(MAKE) $@
 
 endif # ifeq ($(filter-out $(noconfig_targets),$(MAKECMDGOALS)),)
 endif # ifdef include_config
@@ -885,6 +885,6 @@ endef
 #	$(call descend,<dir>,<target>)
 #	Recursively call a sub-make in <dir> with target <target>
 
-descend = $(Q)$(MAKE) -f scripts/Makefile.build obj=$(1) $(2)
+descend =$(Q)$(MAKE) -f scripts/Makefile.build obj=$(1) $(2)
 
 FORCE:

arch/i386/Makefile

@@ -66,7 +66,7 @@ drivers-$(CONFIG_OPROFILE)		+= arch/i386/oprofile/
 CFLAGS += -Iarch/i386/$(MACHINE)
 AFLAGS += -Iarch/i386/$(MACHINE)
 
-makeboot = $(call descend,arch/i386/boot,$(1))
+makeboot =$(Q)$(MAKE) -f scripts/Makefile.build obj=arch/i386/boot $(1)
 
 .PHONY: zImage bzImage compressed zlilo bzlilo zdisk bzdisk install \
 		clean archclean archmrproper
@@ -77,20 +77,20 @@ BOOTIMAGE=arch/i386/boot/bzImage
 zImage zlilo zdisk: BOOTIMAGE=arch/i386/boot/zImage
 
 zImage bzImage: vmlinux
-	+@$(call makeboot,$(BOOTIMAGE))
+	$(call makeboot,$(BOOTIMAGE))
 
 compressed: zImage
 
 zlilo bzlilo: vmlinux
-	+@$(call makeboot,BOOTIMAGE=$(BOOTIMAGE) zlilo)
+	$(call makeboot,BOOTIMAGE=$(BOOTIMAGE) zlilo)
 
 zdisk bzdisk: vmlinux
-	+@$(call makeboot,BOOTIMAGE=$(BOOTIMAGE) zdisk)
+	$(call makeboot,BOOTIMAGE=$(BOOTIMAGE) zdisk)
 
 install: vmlinux
-	+@$(call makeboot,BOOTIMAGE=$(BOOTIMAGE) install)
+	$(call makeboot,BOOTIMAGE=$(BOOTIMAGE) install)
 
 archclean:
-	@$(MAKE) -f scripts/Makefile.clean obj=arch/i386/boot
+	$(Q)$(MAKE) -f scripts/Makefile.clean obj=arch/i386/boot
 
 archmrproper:

arch/i386/boot/Makefile

@@ -32,12 +32,6 @@ subdir- 	:= compressed
 
 host-progs	:= tools/build
 
-# 	Default
-
-boot: bzImage
-
-include $(TOPDIR)/Rules.make
-
 # ---------------------------------------------------------------------------
 
 $(obj)/zImage:  IMAGE_OFFSET := 0x1000
@@ -53,6 +47,7 @@ cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/bootsect $(obj)/setup \
 $(obj)/zImage $(obj)/bzImage: $(obj)/bootsect $(obj)/setup \
 			      $(obj)/vmlinux.bin $(obj)/tools/build FORCE
 	$(call if_changed,image)
+	@echo 'Kernel: $@ is ready'
 
 $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
 	$(call if_changed,objcopy)
@@ -64,9 +59,8 @@ $(obj)/setup $(obj)/bootsect: %: %.o FORCE
 	$(call if_changed,ld)
 
 $(obj)/compressed/vmlinux: FORCE
-	+@$(call descend,$(obj)/compressed,IMAGE_OFFSET=$(IMAGE_OFFSET) \
-		$(obj)/compressed/vmlinux)
-
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=$(obj)/compressed \
+					IMAGE_OFFSET=$(IMAGE_OFFSET) $@
 
 zdisk: $(BOOTIMAGE)
 	dd bs=8192 if=$(BOOTIMAGE) of=/dev/fd0

arch/i386/boot/compressed/Makefile

@@ -13,6 +13,7 @@ LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup_32
 
 $(obj)/vmlinux: $(obj)/head.o $(obj)/misc.o $(obj)/piggy.o FORCE
 	$(call if_changed,ld)
+	@:
 
 $(obj)/vmlinux.bin: vmlinux FORCE
 	$(call if_changed,objcopy)

drivers/misc/Makefile

 #
 # Makefile for misc devices that really don't fit anywhere else.
 #
-
+obj- := misc.o	# Dummy rule to force built-in.o to be made
 include $(TOPDIR)/Rules.make

scripts/Makefile

@@ -8,31 +8,12 @@
 # docproc: 	 Preprocess .tmpl file in order to generate .sgml documentation
 # conmakehash:	 Create arrays for initializing the kernel console tables
 
-EXTRA_TARGETS := fixdep split-include docproc conmakehash
-
-subdir-	:= lxdialog kconfig
-
-# Yikes. We need to build this stuff here even if the user only wants
-# modules.
-
-KBUILD_BUILTIN := 1
-
-# The following temporary rule will make sure that people's
-# trees get updated to the right permissions, since patch(1)
-# can't do it
-# ---------------------------------------------------------------------------
-
 host-progs    := fixdep split-include conmakehash docproc
+build-targets := $(host-progs)
 
-include $(TOPDIR)/Rules.make
-
-
-# ---------------------------------------------------------------------------
-# Targets hardcoded and wellknow in top-level makefile
-.PHONY: lxdialog
-lxdialog:
-	$(call descend,scripts/lxdialog,)
+# Let clean descend into subdirs
+subdir-	:= lxdialog kconfig
 
 # fixdep is needed to compile other host programs
 $(obj)/split-include $(obj)/docproc \
-$(obj)/conmakehash lxdialog: $(obj)/fixdep
+$(obj)/conmakehash: $(obj)/fixdep

scripts/Makefile.build

@@ -40,12 +40,14 @@ endif
 ifdef L_TARGET
 L_TARGET := $(obj)/$(L_TARGET)
 else
+ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-)),)
 O_TARGET := $(obj)/built-in.o
 endif
+endif
 
 __build: $(if $(KBUILD_BUILTIN),$(O_TARGET) $(L_TARGET) $(EXTRA_TARGETS)) \
 	 $(if $(KBUILD_MODULES),$(obj-m)) \
-	 $(subdir-ym)
+	 $(subdir-ym) $(build-targets)
 	@:
 
 # Compile C sources (.c)
@@ -103,7 +105,9 @@ cmd_cc_o_c       = $(CC) $(c_flags) -c -o $@ $<
 	$(call if_changed_dep,cc_o_c)
 
 quiet_cmd_cc_lst_c = MKLST   $@
-cmd_cc_lst_c       = $(CC) $(c_flags) -g -c -o $*.o $< && sh scripts/makelst $*.o System.map $(OBJDUMP) > $@
+      cmd_cc_lst_c = $(CC) $(c_flags) -g -c -o $*.o $< && \
+		     $(CONFIG_SHELL) $(src)/scripts/makelst $*.o \
+				     System.map $(OBJDUMP) > $@
 
 %.lst: %.c FORCE
 	$(call if_changed_dep,cc_lst_c)
@@ -116,9 +120,6 @@ modkern_aflags := $(AFLAGS_KERNEL)
 $(real-objs-m)      : modkern_aflags := $(AFLAGS_MODULE)
 $(real-objs-m:.o=.s): modkern_aflags := $(AFLAGS_MODULE)
 
-a_flags = -Wp,-MD,$(depfile) $(AFLAGS) $(NOSTDINC_FLAGS) \
-	  $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(*F).o)
-
 quiet_cmd_as_s_S = CPP $(quiet_modtag) $@
 cmd_as_s_S       = $(CPP) $(a_flags)   -o $@ $< 
 
@@ -217,9 +218,7 @@ targets += $(multi-used-y) $(multi-used-m)
 # Create executable from a single .c file
 # host-csingle -> Executable
 quiet_cmd_host-csingle 	= HOSTCC  $@
-      cmd_host-csingle	= $(HOSTCC) -Wp,-MD,$(depfile) \
-			  $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) \
-			  $(HOST_LOADLIBES) -o $@ $<
+      cmd_host-csingle	= $(HOSTCC) $(hostc_flags) $(HOST_LOADLIBES) -o $@ $<
 $(host-csingle): %: %.c FORCE
 	$(call if_changed_dep,host-csingle)
 
@@ -235,9 +234,7 @@ $(host-cmulti): %: $(host-cobjs) $(host-cshlib) FORCE
 # Create .o file from a single .c file
 # host-cobjs -> .o
 quiet_cmd_host-cobjs	= HOSTCC  $@
-      cmd_host-cobjs	= $(HOSTCC) -Wp,-MD,$(depfile) \
-			  $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) \
-			  $(HOSTCFLAGS_$(@F)) -c -o $@ $<
+      cmd_host-cobjs	= $(HOSTCC) $(hostc_flags) -c -o $@ $<
 $(host-cobjs): %.o: %.c FORCE
 	$(call if_changed_dep,host-cobjs)
 
@@ -253,18 +250,14 @@ $(host-cxxmulti): %: $(host-cobjs) $(host-cxxobjs) $(host-cshlib) FORCE
 
 # Create .o file from a single .cc (C++) file
 quiet_cmd_host-cxxobjs	= HOSTCXX $@
-      cmd_host-cxxobjs	= $(HOSTCXX) -Wp,-MD,$(depfile) \
-			  $(HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \
-			  $(HOSTCXXFLAGS_$(@F)) -c -o $@ $<
+      cmd_host-cxxobjs	= $(HOSTCXX) $(hostcxx_flags) -c -o $@ $<
 $(host-cxxobjs): %.o: %.cc FORCE
 	$(call if_changed_dep,host-cxxobjs)
 
 # Compile .c file, create position independent .o file
 # host-cshobjs -> .o
 quiet_cmd_host-cshobjs	= HOSTCC  -fPIC $@
-      cmd_host-cshobjs	= $(HOSTCC) -Wp,-MD,$(depfile) -fPIC\
-			  $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) \
-			  $(HOSTCFLAGS_$(@F)) -c -o $@ $<
+      cmd_host-cshobjs	= $(HOSTCC) $(hostc_flags) -fPIC -c -o $@ $<
 $(host-cshobjs): %.o: %.c FORCE
 	$(call if_changed_dep,host-cshobjs)
 

scripts/Makefile.lib

@@ -92,6 +92,7 @@ host-cshobjs	:= $(sort $(foreach m,$(host-cshlib),$($(m:.so=-objs))))
 # Add subdir path
 
 EXTRA_TARGETS	:= $(addprefix $(obj)/,$(EXTRA_TARGETS))
+build-targets	:= $(addprefix $(obj)/,$(build-targets))
 obj-y		:= $(addprefix $(obj)/,$(obj-y))
 obj-m		:= $(addprefix $(obj)/,$(obj-m))
 export-objs	:= $(addprefix $(obj)/,$(export-objs))
@@ -128,6 +129,12 @@ modname_flags  = -DKBUILD_MODNAME=$(subst $(comma),_,$(subst -,_,$(modname)))
 c_flags        = -Wp,-MD,$(depfile) $(CFLAGS) $(NOSTDINC_FLAGS) \
 	         $(modkern_cflags) $(EXTRA_CFLAGS) $(CFLAGS_$(*F).o) \
 	         $(basename_flags) $(modname_flags) $(export_flags) 
+a_flags        = -Wp,-MD,$(depfile) $(AFLAGS) $(NOSTDINC_FLAGS)\
+		 $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(*F).o)
+hostc_flags    = -Wp,-MD,$(depfile) $(HOSTCFLAGS) $(HOST_EXTRACFLAGS)\
+		 $(HOSTCFLAGS_$(*F).o)
+hostcxx_flags  = -Wp,-MD,$(depfile) $(HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS)\
+		 $(HOSTCXXFLAGS_$(*F).o)
 
 # Finds the multi-part object the current object will be linked into
 modname-multi = $(subst $(space),_,$(sort $(foreach m,$(multi-used),\
@@ -139,7 +146,7 @@ modname-multi = $(subst $(space),_,$(sort $(foreach m,$(multi-used),\
 quiet_cmd_shipped = SHIPPED $@
 cmd_shipped = cat $< > $@
 
-%:: %_shipped
+$(obj)/%:: $(src)/%_shipped
 	$(call cmd,shipped)
 
 # Commands useful for building a boot image
@@ -236,4 +243,4 @@ endef
 #	$(call descend,<dir>,<target>)
 #	Recursively call a sub-make in <dir> with target <target> 
 
-descend = $(Q)$(MAKE) -f scripts/Makefile.build obj=$(1) $(2)
+descend =$(Q)$(MAKE) -f scripts/Makefile.build obj=$(1) $(2)

scripts/lxdialog/Makefile

@@ -16,18 +16,14 @@ endif
 endif
 
 host-progs    := lxdialog
+build-targets := $(host-progs)
 
 lxdialog-objs := checklist.o menubox.o textbox.o yesno.o inputbox.o \
 		 util.o lxdialog.o msgbox.o
 
-EXTRA_TARGETS := lxdialog
-
 first_rule: ncurses
 
-include $(TOPDIR)/Rules.make
-
 .PHONY: ncurses
-
 ncurses:
 	@echo "main() {}" > lxtemp.c
 	@if $(HOSTCC) lxtemp.c  $(HOST_LOADLIBES); then \