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

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

Makefile

@@ -38,6 +38,8 @@ ARCH := $(SUBARCH)
 
 KERNELPATH=kernel-$(shell echo $(KERNELRELEASE) | sed -e "s/-//g")
 
+UTS_MACHINE := $(ARCH)
+
 CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
 	  else if [ -x /bin/bash ]; then echo /bin/bash; \
 	  else echo sh; fi ; fi)
@@ -106,11 +108,20 @@ endif
 
 MAKEFLAGS += --no-print-directory
 
+# For maximum performance (+ possibly random breakage, uncomment
+# the following)
+
+#MAKEFLAGS += -rR
+
 #	If the user wants quiet mode, echo short versions of the commands 
 #	only
 
-ifneq ($(KBUILD_VERBOSE),1)
+ifeq ($(KBUILD_VERBOSE),1)
+  quiet =
+  Q =
+else
   quiet=quiet_
+  Q = @
 endif
 
 #	If the user is running make -s (silent mode), suppress echoing of
@@ -120,7 +131,7 @@ ifneq ($(findstring s,$(MAKEFLAGS)),)
   quiet=silent_
 endif
 
-export quiet KBUILD_VERBOSE
+export quiet Q KBUILD_VERBOSE
 
 #	Paths to obj / src tree
 
@@ -142,7 +153,6 @@ NM		= $(CROSS_COMPILE)nm
 STRIP		= $(CROSS_COMPILE)strip
 OBJCOPY		= $(CROSS_COMPILE)objcopy
 OBJDUMP		= $(CROSS_COMPILE)objdump
-MAKEFILES	= .config
 GENKSYMS	= /sbin/genksyms
 DEPMOD		= /sbin/depmod
 KALLSYMS	= /sbin/kallsyms
@@ -161,7 +171,7 @@ AFLAGS		:= -D__ASSEMBLY__ $(CPPFLAGS)
 
 export	VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION KERNELRELEASE ARCH \
 	CONFIG_SHELL TOPDIR HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC \
-	CPP AR NM STRIP OBJCOPY OBJDUMP MAKE MAKEFILES GENKSYMS PERL
+	CPP AR NM STRIP OBJCOPY OBJDUMP MAKE GENKSYMS PERL UTS_MACHINE
 
 export CPPFLAGS NOSTDINC_FLAGS OBJCOPYFLAGS LDFLAGS
 export CFLAGS CFLAGS_KERNEL CFLAGS_MODULE 
@@ -187,7 +197,7 @@ scripts/docproc scripts/fixdep scripts/split-include : scripts ;
 
 .PHONY: scripts
 scripts:
-	+@$(call descend,scripts,)
+	+@$(Q)$(MAKE) -f scripts/Makefile.build obj=scripts
 
 # Objects we will link into vmlinux / subdirs we need to visit
 # ---------------------------------------------------------------------------
@@ -306,7 +316,7 @@ define rule_vmlinux__
 	  echo '  Generating build number'
 	  . scripts/mkversion > .tmp_version
 	  mv -f .tmp_version .version
-	  +$(call descend,init,)
+	  $(Q)$(MAKE) -f scripts/Makefile.build obj=init
 	)
 	$(call cmd,vmlinux__)
 	echo 'cmd_$@ := $(cmd_vmlinux__)' > $(@D)/.$(@F).cmd
@@ -365,7 +375,7 @@ $(sort $(vmlinux-objs)): $(SUBDIRS) ;
 
 .PHONY: $(SUBDIRS)
 $(SUBDIRS): .hdepend prepare
-	+@$(call descend,$@,)
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=$@
 
 #	Things we need done before we descend to build or make
 #	module versions are listed in "prepare"
@@ -388,17 +398,17 @@ targets += arch/$(ARCH)/vmlinux.lds.s
 # ---------------------------------------------------------------------------
 
 %.s: %.c scripts FORCE
-	+@$(call descend,$(@D),$@)
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=$(@D) $@
 %.i: %.c scripts FORCE
-	+@$(call descend,$(@D),$@)
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=$(@D) $@
 %.o: %.c scripts FORCE
-	+@$(call descend,$(@D),$@)
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=$(@D) $@
 %.lst: %.c scripts FORCE
-	+@$(call descend,$(@D),$@)
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=$(@D) $@
 %.s: %.S scripts FORCE
-	+@$(call descend,$(@D),$@)
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=$(@D) $@
 %.o: %.S scripts FORCE
-	+@$(call descend,$(@D),$@)
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=$(@D) $@
 
 # 	FIXME: The asm symlink changes when $(ARCH) changes. That's
 #	hard to detect, but I suppose "make mrproper" is a good idea
@@ -472,9 +482,11 @@ ifdef CONFIG_MODVERSIONS
 
 # 	Update modversions.h, but only if it would change.
 
-include/linux/modversions.h: FORCE
+.PHONY: __rm_tmp_export-objs
+__rm_tmp_export-objs: 
 	@rm -rf .tmp_export-objs
-	@$(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS))
+
+include/linux/modversions.h: $(patsubst %,_modver_%,$(SUBDIRS))
 	@echo -n '  Generating $@'
 	@( echo "#ifndef _LINUX_MODVERSIONS_H";\
 	   echo "#define _LINUX_MODVERSIONS_H"; \
@@ -487,8 +499,9 @@ include/linux/modversions.h: FORCE
 	) > $@.tmp; \
 	$(update-if-changed)
 
-$(patsubst %,_sfdep_%,$(SUBDIRS)): FORCE
-	+@$(call descend,$(patsubst _sfdep_%,%,$@),fastdep)
+.PHONY: $(patsubst %, _modver_%, $(SUBDIRS))
+$(patsubst %, _modver_%, $(SUBDIRS)): __rm_tmp_export-objs
+	$(Q)$(MAKE) -f scripts/Makefile.modver obj=$(patsubst _modver_%,%,$@)
 
 else # !CONFIG_MODVERSIONS
 
@@ -540,8 +553,7 @@ _modinst_post:
 
 .PHONY: $(patsubst %, _modinst_%, $(SUBDIRS))
 $(patsubst %, _modinst_%, $(SUBDIRS)) :
-	+@$(call descend,$(patsubst _modinst_%,%,$@),modules_install)
-
+	$(Q)$(MAKE) -f scripts/Makefile.modinst obj=$(patsubst _modinst_%,%,$@)
 else # CONFIG_MODULES
 
 # Modules not configured
@@ -638,11 +650,11 @@ ifeq ($(filter-out $(noconfig_targets),$(MAKECMDGOALS)),)
 	make_with_config
 
 xconfig:
-	+@$(call descend,scripts,scripts/kconfig.tk)
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=scripts scripts/kconfig.tk
 	wish -f scripts/kconfig.tk
 
 menuconfig:
-	+@$(call descend,scripts,lxdialog)
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=scripts lxdialog
 	$(CONFIG_SHELL) $(src)/scripts/Menuconfig arch/$(ARCH)/config.in
 
 config:
@@ -698,7 +710,7 @@ MRPROPER_DIRS += \
 clean-dirs += $(ALL_SUBDIRS) Documentation/DocBook scripts
 
 $(addprefix _clean_,$(clean-dirs)):
-	$(MAKE) MAKEFILES= -rR -f scripts/Makefile.clean obj=$(patsubst _clean_%,%,$@)
+	$(Q)$(MAKE) -f scripts/Makefile.clean obj=$(patsubst _clean_%,%,$@)
 
 quiet_cmd_rmclean = RM  $$(CLEAN_FILES)
 cmd_rmclean	  = rm -f $(CLEAN_FILES)
@@ -798,7 +810,7 @@ help:
 # Documentation targets
 # ---------------------------------------------------------------------------
 sgmldocs psdocs pdfdocs htmldocs: scripts
-	+@$(call descend,Documentation/DocBook,$@)
+	$(Q)$(MAKE) -f Documentation/DocBook/Makefile $@
 
 # Scripts to check various things for consistency
 # ---------------------------------------------------------------------------
@@ -833,12 +845,10 @@ endif # ifdef include-config
 # FIXME Should go into a make.lib or something 
 # ===========================================================================
 
-echo_target = $@
-
 a_flags = -Wp,-MD,$(depfile) $(AFLAGS) $(NOSTDINC_FLAGS) \
 	  $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(*F).o)
 
-quiet_cmd_as_s_S = CPP     $(echo_target)
+quiet_cmd_as_s_S = CPP     $@
 cmd_as_s_S       = $(CPP) $(a_flags)   -o $@ $< 
 
 # read all saved command lines
@@ -885,13 +895,9 @@ define update-if-changed
 		mv -f $@.tmp $@; \
 	fi
 endef
-
 #	$(call descend,<dir>,<target>)
 #	Recursively call a sub-make in <dir> with target <target>
 
-ifeq ($(KBUILD_VERBOSE),1)
-descend = echo '$(MAKE) -f $(1)/Makefile $(2)';
-endif
-descend += $(MAKE) -f $(1)/Makefile obj=$(1) $(2)
+descend = $(Q)$(MAKE) -f scripts/Makefile.build obj=$(1) $(2)
 
 FORCE:

arch/i386/Makefile

@@ -88,6 +88,6 @@ install: vmlinux
 	+@$(call makeboot,BOOTIMAGE=$(BOOTIMAGE) install)
 
 archclean:
-	$(MAKE) -rR -f scripts/Makefile.clean obj=arch/i386/boot
+	@$(MAKE) -f scripts/Makefile.clean obj=arch/i386/boot
 
 archmrproper:

arch/i386/boot/Makefile

@@ -46,7 +46,7 @@ $(obj)/bzImage: IMAGE_OFFSET := 0x100000
 $(obj)/bzImage: EXTRA_AFLAGS := -traditional $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
 $(obj)/bzImage: BUILDFLAGS   := -b
 
-quiet_cmd_image = BUILD   $(echo_target)
+quiet_cmd_image = BUILD   $@
 cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/bootsect $(obj)/setup \
 	    $(obj)/vmlinux.bin $(ROOT_DEV) > $@
 

arch/x86_64/boot/Makefile

@@ -46,7 +46,7 @@ $(obj)/bzImage: IMAGE_OFFSET := 0x100000
 $(obj)/bzImage: EXTRA_AFLAGS := -traditional $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
 $(obj)/bzImage: BUILDFLAGS   := -b
 
-quiet_cmd_image = BUILD   $(echo_target)
+quiet_cmd_image = BUILD   $@
 cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/bootsect $(obj)/setup \
 	    $(obj)/vmlinux.bin $(ROOT_DEV) > $@
 

drivers/char/Makefile

@@ -110,7 +110,7 @@ clean-files := consolemap_deftbl.c defkeymap.c qtronixmap.c
 include $(TOPDIR)/Rules.make
 
 $(obj)/consolemap_deftbl.c: $(src)/$(FONTMAPFILE)
-	$(call do_cmd,CONMK  $(echo_target),$(objtree)/scripts/conmakehash $< > $@)
+	$(call do_cmd,CONMK  $@,$(objtree)/scripts/conmakehash $< > $@)
 
 $(obj)/defkeymap.o:  $(obj)/defkeymap.c
 

drivers/isdn/Makefile

@@ -15,7 +15,3 @@ obj-$(CONFIG_ISDN_DRV_ACT2000)		+= act2000/
 obj-$(CONFIG_ISDN_DRV_EICON)		+= eicon/
 obj-$(CONFIG_HYSDN)			+= hysdn/
 obj-$(CONFIG_ISDN_DRV_TPAM)		+= tpam/
-
-# The global Rules.make.
-
-include $(TOPDIR)/Rules.make

drivers/isdn/act2000/Makefile

@@ -7,5 +7,3 @@ obj-$(CONFIG_ISDN_DRV_ACT2000)	+= act2000.o
 # Multipart objects.
 
 act2000-objs	:= module.o capi.o act2000_isa.o
-
-include $(TOPDIR)/Rules.make

drivers/isdn/capi/Makefile

@@ -18,7 +18,3 @@ obj-$(CONFIG_ISDN_CAPI_CAPIFS)		+= capifs.o
 kernelcapi-y				:= kcapi.o capiutil.o capilib.o
 kernelcapi-$(CONFIG_PROC_FS)		+= kcapi_proc.o
 kernelcapi-objs				:= $(kernelcapi-y)
-
-# The global Rules.make.
-
-include $(TOPDIR)/Rules.make

drivers/isdn/divert/Makefile

@@ -7,10 +7,3 @@ obj-$(CONFIG_ISDN_DIVERSION)	+= dss1_divert.o
 # Multipart objects.
 
 dss1_divert-objs	:= isdn_divert.o divert_procfs.o divert_init.o
-
-include $(TOPDIR)/Rules.make
-
-
-
-
-

drivers/isdn/eicon/Makefile

@@ -23,5 +23,3 @@ eicon-objs-$(CONFIG_ISDN_DRV_EICON_PCI) += common.o idi.o bri.o pri.o log.o \
 		   linsys.o linio.o
 
 eicon-objs 	+= $(eicon-objs-y)
-
-include $(TOPDIR)/Rules.make

drivers/isdn/hardware/Makefile

@@ -4,7 +4,3 @@
 
 obj-$(CONFIG_CAPI_AVM)		+= avm/
 obj-$(CONFIG_CAPI_EICON)	+= eicon/
-
-# The global Rules.make.
-
-include $(TOPDIR)/Rules.make

drivers/isdn/hardware/avm/Makefile

@@ -13,7 +13,3 @@ obj-$(CONFIG_ISDN_DRV_AVMB1_AVM_CS)	+= avm_cs.o
 obj-$(CONFIG_ISDN_DRV_AVMB1_T1ISA)	+= t1isa.o b1.o
 obj-$(CONFIG_ISDN_DRV_AVMB1_T1PCI)	+= t1pci.o b1.o b1dma.o
 obj-$(CONFIG_ISDN_DRV_AVMB1_C4)		+= c4.o b1.o
-
-# The global Rules.make.
-
-include $(TOPDIR)/Rules.make

drivers/isdn/hardware/eicon/Makefile

@@ -26,6 +26,3 @@ obj-$(CONFIG_ISDN_DIVAS)               += divadidd.o divas.o
 obj-$(CONFIG_ISDN_DIVAS_MAINT)         += diva_mnt.o
 obj-$(CONFIG_ISDN_DIVAS_USERIDI)       += diva_idi.o
 obj-$(CONFIG_ISDN_DIVAS_DIVACAPI)      += divacapi.o
-
-include $(TOPDIR)/Rules.make
-

drivers/isdn/hisax/Makefile

@@ -65,5 +65,3 @@ hisax-objs += $(hisax-objs-y)
 
 CERT := $(shell cd $(src); md5sum -c md5sums.asc > /dev/null 2> /dev/null ;echo $$?)
 CFLAGS_cert.o := -DCERTIFICATION=$(CERT)
-
-include $(TOPDIR)/Rules.make

drivers/isdn/hysdn/Makefile

@@ -14,5 +14,3 @@ hysdn-objs	:= hysdn_procconf.o hysdn_proclog.o boardergo.o hysdn_boot.o \
 hysdn-objs-$(CONFIG_HYSDN_CAPI) += hycapi.o
 
 hysdn-objs 	+= $(hysdn-objs-y)
-
-include $(TOPDIR)/Rules.make

drivers/isdn/i4l/Makefile

@@ -25,5 +25,3 @@ isdn-objs-$(CONFIG_ISDN_AUDIO)		+= isdn_audio.o
 isdn-objs-$(CONFIG_ISDN_TTY_FAX)	+= isdn_ttyfax.o
 
 isdn-objs				+= $(isdn-objs-y)
-
-include $(TOPDIR)/Rules.make

drivers/isdn/icn/Makefile

@@ -3,5 +3,3 @@
 # Each configuration option enables a list of files.
 
 obj-$(CONFIG_ISDN_DRV_ICN)	+= icn.o
-
-include $(TOPDIR)/Rules.make

drivers/isdn/isdnloop/Makefile

@@ -5,6 +5,3 @@
 # Each configuration option enables a list of files.
 
 obj-$(CONFIG_ISDN_DRV_LOOP)	+= isdnloop.o
-
-include $(TOPDIR)/Rules.make
-

drivers/isdn/pcbit/Makefile

@@ -7,5 +7,3 @@ obj-$(CONFIG_ISDN_DRV_PCBIT)	+= pcbit.o
 # Multipart objects.
 
 pcbit-objs	:= module.o edss1.o drv.o layer2.o capi.o callbacks.o
-
-include $(TOPDIR)/Rules.make

drivers/isdn/sc/Makefile

@@ -8,5 +8,3 @@ obj-$(CONFIG_ISDN_DRV_SC)	+= sc.o
 
 sc-objs		:= shmem.o init.o debug.o packet.o command.o event.o \
 		   ioctl.o interrupt.o message.o timer.o	
-
-include $(TOPDIR)/Rules.make

drivers/isdn/tpam/Makefile

@@ -8,5 +8,3 @@ obj-$(CONFIG_ISDN_DRV_TPAM)	+= tpam.o
 
 tpam-objs	:= tpam_main.o tpam_nco.o tpam_memory.o tpam_commands.o \
 		   tpam_queues.o tpam_hdlc.o tpam_crcpc.o
-
-include $(TOPDIR)/Rules.make

drivers/net/hamradio/soundmodem/Makefile

@@ -38,5 +38,5 @@ $(obj)/sm_hapn4800.o:   $(obj)/sm_tbl_hapn4800.h
 $(obj)/sm_fsk9600.o:    $(obj)/sm_tbl_fsk9600.h
 
 $(obj)/sm_tbl_%: $(obj)/gentbl
-	$(obj)/gentbl
+	cd $(obj) && ./gentbl
 

drivers/scsi/aic7xxx/Makefile

@@ -24,8 +24,7 @@ endif
 clean-files := aic7xxx_seq.h aic7xxx_reg.h
 
 # Command to be executed upon make clean
-# Note: Assignment without ':' to force late evaluation of $(src)
-clean-rule = @$(MAKE) -C $(src)/aicasm clean
+clean-rule := $(MAKE) -C $(src)/aicasm clean
 
 include $(TOPDIR)/Rules.make
 
@@ -39,7 +38,7 @@ ifeq ($(CONFIG_AIC7XXX_BUILD_FIRMWARE),y)
 
 $(obj)/aic7xxx_seq.h: $(src)/aic7xxx.seq $(src)/aic7xxx.reg \
 		      $(obj)/aicasm/aicasm
-	$(obj)/aicasm/aicasm -I. -r $(obj)/aic7xxx_reg.h \
+	$(obj)/aicasm/aicasm -I$(obj) -r $(obj)/aic7xxx_reg.h \
 				 -o $(obj)/aic7xxx_seq.h $(src)/aic7xxx.seq
 
 $(obj)/aic7xxx_reg.h: $(obj)/aix7xxx_seq.h

init/Makefile

@@ -11,13 +11,13 @@ include $(TOPDIR)/Rules.make
 
 # dependencies on generated files need to be listed explicitly
 
-$(obj)/version.o: $(obj)/../include/linux/compile.h
+$(obj)/version.o: include/linux/compile.h
 
 # compile.h changes depending on hostname, generation number, etc,
 # so we regenerate it always.
 # mkcompile_h will make sure to only update the
 # actual file if its content has changed.
 
-$(obj)/../include/linux/compile.h: FORCE
-	@echo -n '  Generating $(echo_target)'
-	@sh $(srctree)/scripts/mkcompile_h $@ "$(ARCH)" "$(CONFIG_SMP)" "$(CC) $(CFLAGS)"
+include/linux/compile.h: FORCE
+	@echo -n '  Generating $@'
+	@sh $(srctree)/scripts/mkcompile_h $@ "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CC) $(CFLAGS)"

net/appletalk/Makefile

@@ -8,7 +8,6 @@ obj-$(CONFIG_ATALK) += appletalk.o
 
 appletalk-y			:= aarp.o ddp.o atalk_proc.o
 appletalk-$(CONFIG_SYSCTL)	+= sysctl_net_atalk.o
-appletalk-objs			:= $(appletalk-y)
 
 include $(TOPDIR)/Rules.make
 

net/ax25/Makefile

@@ -11,7 +11,6 @@ ax25-y	 := ax25_addr.o ax25_dev.o ax25_iface.o ax25_in.o ax25_ip.o ax25_out.o \
 	    ax25_subr.o ax25_timer.o ax25_uid.o af_ax25.o
 ax25-$(CONFIG_AX25_DAMA_SLAVE) += ax25_ds_in.o ax25_ds_subr.o ax25_ds_timer.o
 ax25-$(CONFIG_SYSCTL) += sysctl_net_ax25.o
-ax25-objs := $(ax25-y)
 
 include $(TOPDIR)/Rules.make
 

net/bluetooth/rfcomm/Makefile

@@ -6,6 +6,5 @@ obj-$(CONFIG_BT_RFCOMM) += rfcomm.o
 
 rfcomm-y			:= core.o sock.o crc.o
 rfcomm-$(CONFIG_BT_RFCOMM_TTY)	+= tty.o
-rfcomm-objs				:= $(rfcomm-y)
 
 include $(TOPDIR)/Rules.make

net/decnet/Makefile

@@ -5,7 +5,6 @@ decnet-y := af_decnet.o dn_nsp_in.o dn_nsp_out.o dn_route.o dn_dev.o dn_neigh.o
 decnet-$(CONFIG_DECNET_ROUTER) += dn_fib.o dn_rules.o dn_table.o
 decnet-$(CONFIG_DECNET_FW) += dn_fw.o
 decnet-y += sysctl_net_decnet.o
-decnet-objs := $(decnet-y)
 
 include $(TOPDIR)/Rules.make
 

net/ipx/Makefile

@@ -6,6 +6,5 @@ obj-$(CONFIG_IPX) += ipx.o
 
 ipx-y			:= af_ipx.o ipx_proc.o
 ipx-$(CONFIG_SYSCTL)	+= sysctl_net_ipx.o
-ipx-objs		:= $(ipx-y)
 
 include $(TOPDIR)/Rules.make

net/irda/Makefile

@@ -15,6 +15,5 @@ irda-y := iriap.o iriap_event.o irlmp.o irlmp_event.o irlmp_frame.o \
 	  discovery.o parameters.o irsyms.o
 irda-$(CONFIG_PROC_FS) += irproc.o
 irda-$(CONFIG_SYSCTL) += irsysctl.o
-irda-objs := $(irda-y)
 
 include $(TOPDIR)/Rules.make

net/llc/Makefile

@@ -18,7 +18,6 @@ llc-y := llc_if.o llc_c_ev.o llc_c_ac.o llc_mac.o llc_sap.o llc_s_st.o \
 	 llc_main.o llc_s_ac.o llc_conn.o llc_c_st.o llc_stat.o llc_actn.o \
 	 llc_s_ev.o llc_evnt.o llc_pdu.o llc_proc.o
 llc-$(CONFIG_LLC_UI)	+= af_llc.o
-llc-objs	 	:= $(llc-y)
 
 # Objects that export symbols.
 export-objs := llc_if.o

net/netrom/Makefile

@@ -7,7 +7,6 @@ obj-$(CONFIG_NETROM) += netrom.o
 netrom-y		:= af_netrom.o nr_dev.o nr_in.o nr_loopback.o \
 			   nr_out.o nr_route.o nr_subr.o nr_timer.o
 netrom-$(CONFIG_SYSCTL)	+= sysctl_net_netrom.o
-netrom-objs		:= $(netrom-y)
 
 include $(TOPDIR)/Rules.make
 

net/rose/Makefile

@@ -7,7 +7,6 @@ obj-$(CONFIG_ROSE) += rose.o
 rose-y	  := af_rose.o rose_dev.o rose_in.o rose_link.o rose_loopback.o \
 	     rose_out.o rose_route.o rose_subr.o rose_timer.o
 rose-$(CONFIG_SYSCTL) += sysctl_net_rose.o
-rose-objs := $(rose-y)
 
 include $(TOPDIR)/Rules.make
 

net/sctp/Makefile

@@ -23,6 +23,4 @@ sctp-$(CONFIG_SYSCTL) += sysctl.o
 
 sctp-$(subst m,y,$(CONFIG_IPV6))	+= ipv6.o
 
-sctp-objs := $(sctp-y)
-
 include $(TOPDIR)/Rules.make

net/sunrpc/Makefile

@@ -13,6 +13,5 @@ sunrpc-y := clnt.o xprt.o sched.o \
 	    sunrpc_syms.o cache.o
 sunrpc-$(CONFIG_PROC_FS) += stats.o
 sunrpc-$(CONFIG_SYSCTL) += sysctl.o
-sunrpc-objs := $(sunrpc-y)
 
 include $(TOPDIR)/Rules.make

net/unix/Makefile

@@ -6,7 +6,6 @@ obj-$(CONFIG_UNIX)	+= unix.o
 
 unix-y			:= af_unix.o garbage.o
 unix-$(CONFIG_SYSCTL)	+= sysctl_net_unix.o
-unix-objs		:= $(unix-y)
 
 include $(TOPDIR)/Rules.make
 

net/x25/Makefile

@@ -8,7 +8,6 @@ x25-y			:= af_x25.o x25_dev.o x25_facilities.o x25_in.o \
 			   x25_link.o x25_out.o x25_route.o x25_subr.o \
 			   x25_timer.o x25_proc.o
 x25-$(CONFIG_SYSCTL)	+= sysctl_net_x25.o
-x25-objs		:= $(x25-y)
 
 include $(TOPDIR)/Rules.make
 

scripts/Makefile.build

+# ==========================================================================
+# Building
+# ==========================================================================
+
+src := $(obj)
+
+.PHONY: __build
+__build:
+
+include .config
+
+include $(obj)/Makefile
+
+include scripts/Makefile.lib
+
+ifdef O_TARGET
+$(error kbuild: $(obj)/Makefile - Usage of O_TARGET := $(O_TARGET) is obsolete in 2.5. Please fix!)
+endif
+
+ifdef L_TARGET
+ifneq ($(L_TARGET),lib.a)
+$(warning kbuild: $(obj)/Makefile - L_TARGET := $(L_TARGET) target shall be renamed to lib.a. Please fix!)
+endif
+endif
+
+ifdef list-multi
+$(warning kbuild: $(obj)/Makefile - list-multi := $(list-multi) is obsolete in 2.5. Please fix!)
+endif
+
+ifndef obj
+$(warning kbuild: Makefile.build is included improperly)
+endif
+
+# ===========================================================================
+
+# If a Makefile does not define a L_TARGET, link an object called "built-in.o"
+
+ifdef L_TARGET
+L_TARGET := $(obj)/$(L_TARGET)
+else
+O_TARGET := $(obj)/built-in.o
+endif
+
+__build: $(if $(KBUILD_BUILTIN),$(O_TARGET) $(L_TARGET) $(EXTRA_TARGETS)) \
+	 $(if $(KBUILD_MODULES),$(obj-m)) \
+	 $(subdir-ym)
+	@:
+
+# Compile C sources (.c)
+# ---------------------------------------------------------------------------
+
+# Default is built-in, unless we know otherwise
+modkern_cflags := $(CFLAGS_KERNEL)
+
+$(real-objs-m)        : modkern_cflags := $(CFLAGS_MODULE)
+$(real-objs-m:.o=.i)  : modkern_cflags := $(CFLAGS_MODULE)
+$(real-objs-m:.o=.lst): modkern_cflags := $(CFLAGS_MODULE)
+
+$(export-objs)        : export_flags   := $(EXPORT_FLAGS)
+$(export-objs:.o=.i)  : export_flags   := $(EXPORT_FLAGS)
+$(export-objs:.o=.s)  : export_flags   := $(EXPORT_FLAGS)
+$(export-objs:.o=.lst): export_flags   := $(EXPORT_FLAGS)
+
+c_flags = -Wp,-MD,$(depfile) $(CFLAGS) $(NOSTDINC_FLAGS) \
+	  $(modkern_cflags) $(EXTRA_CFLAGS) $(CFLAGS_$(*F).o) \
+	  -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) \
+	  $(export_flags) 
+
+quiet_cmd_cc_s_c = CC      $@
+cmd_cc_s_c       = $(CC) $(c_flags) -S -o $@ $< 
+
+%.s: %.c FORCE
+	$(call if_changed_dep,cc_s_c)
+
+quiet_cmd_cc_i_c = CPP     $@
+cmd_cc_i_c       = $(CPP) $(c_flags)   -o $@ $<
+
+%.i: %.c FORCE
+	$(call if_changed_dep,cc_i_c)
+
+quiet_cmd_cc_o_c = CC      $@
+cmd_cc_o_c       = $(CC) $(c_flags) -c -o $@ $<
+
+%.o: %.c FORCE
+	$(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) > $@
+
+%.lst: %.c FORCE
+	$(call if_changed_dep,cc_lst_c)
+
+# Compile assembler sources (.S)
+# ---------------------------------------------------------------------------
+
+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     $@
+cmd_as_s_S       = $(CPP) $(a_flags)   -o $@ $< 
+
+%.s: %.S FORCE
+	$(call if_changed_dep,as_s_S)
+
+quiet_cmd_as_o_S = AS      $@
+cmd_as_o_S       = $(CC) $(a_flags) -c -o $@ $<
+
+%.o: %.S FORCE
+	$(call if_changed_dep,as_o_S)
+
+targets += $(real-objs-y) $(real-objs-m) $(EXTRA_TARGETS) $(MAKECMDGOALS)
+
+# Build the compiled-in targets
+# ---------------------------------------------------------------------------
+
+# To build objects in subdirs, we need to descend into the directories
+$(sort $(subdir-obj-y)): $(subdir-ym) ;
+
+#
+# Rule to compile a set of .o files into one .o file
+#
+ifdef O_TARGET
+quiet_cmd_link_o_target = LD      $@
+# If the list of objects to link is empty, just create an empty O_TARGET
+cmd_link_o_target = $(if $(strip $(obj-y)),\
+		      $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) -r -o $@ $(filter $(obj-y), $^),\
+		      rm -f $@; $(AR) rcs $@)
+
+$(O_TARGET): $(obj-y) FORCE
+	$(call if_changed,link_o_target)
+
+targets += $(O_TARGET)
+endif # O_TARGET
+
+#
+# Rule to compile a set of .o files into one .a file
+#
+ifdef L_TARGET
+quiet_cmd_link_l_target = AR      $@
+cmd_link_l_target = rm -f $@; $(AR) $(EXTRA_ARFLAGS) rcs $@ $(obj-y)
+
+$(L_TARGET): $(obj-y) FORCE
+	$(call if_changed,link_l_target)
+
+targets += $(L_TARGET)
+endif
+
+#
+# Rule to link composite objects
+#
+
+quiet_cmd_link_multi = LD      $@
+cmd_link_multi = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) -r -o $@ $(filter $(addprefix $(obj)/,$($(subst $(obj)/,,$(@:.o=-objs))) $($(subst $(obj)/,,$(@:.o=-y)))),$^)
+
+# We would rather have a list of rules like
+# 	foo.o: $(foo-objs)
+# but that's not so easy, so we rather make all composite objects depend
+# on the set of all their parts
+$(multi-used-y) : %.o: $(multi-objs-y) FORCE
+	$(call if_changed,link_multi)
+
+$(multi-used-m) : %.o: $(multi-objs-m) FORCE
+	$(call if_changed,link_multi)
+
+targets += $(multi-used-y) $(multi-used-m)
+
+# Compile programs on the host
+# ===========================================================================
+
+quiet_cmd_host_cc__c  = HOSTCC  $@
+cmd_host_cc__c        = $(HOSTCC) -Wp,-MD,$(depfile) \
+			$(HOSTCFLAGS) $(HOST_EXTRACFLAGS) \
+			$(HOST_LOADLIBES) -o $@ $<
+
+$(host-progs-single): %: %.c FORCE
+	$(call if_changed_dep,host_cc__c)
+
+quiet_cmd_host_cc_o_c = HOSTCC  $@
+cmd_host_cc_o_c       = $(HOSTCC) -Wp,-MD,$(depfile) \
+			$(HOSTCFLAGS) $(HOST_EXTRACFLAGS) -c -o $@ $<
+
+$(host-progs-multi-objs): %.o: %.c FORCE
+	$(call if_changed_dep,host_cc_o_c)
+
+quiet_cmd_host_cc__o  = HOSTLD  $@
+cmd_host_cc__o        = $(HOSTCC) $(HOSTLDFLAGS) -o $@ $(addprefix $(obj)/,$($(subst $(obj)/,,$@)-objs)) \
+			$(HOST_LOADLIBES)
+
+$(host-progs-multi): %: $(host-progs-multi-objs) FORCE
+	$(call if_changed,host_cc__o)
+
+targets += $(host-progs-single) $(host-progs-multi-objs) $(host-progs-multi) 
+
+# Descending
+# ---------------------------------------------------------------------------
+
+.PHONY: $(subdir-ym)
+$(subdir-ym):
+	$(Q)$(MAKE) -f scripts/Makefile.build obj=$@
+
+# Add FORCE to the prequisites of a target to force it to be always rebuilt.
+# ---------------------------------------------------------------------------
+
+.PHONY: FORCE
+
+FORCE:
+
+# Read all saved command lines and dependencies for the $(targets) we
+# may be building above, using $(if_changed{,_dep}). As an
+# optimization, we don't need to read them if the target does not
+# exist, we will rebuild anyway in that case.
+
+targets := $(wildcard $(sort $(targets)))
+cmd_files := $(wildcard $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
+
+ifneq ($(cmd_files),)
+  include $(cmd_files)
+endif

scripts/Makefile.clean

+# ==========================================================================
+# Cleaning up
+# ==========================================================================
 
 src := $(obj)
 
-no-rules.make := 1
-
 .PHONY: __clean
 __clean:
 
 include $(obj)/Makefile
 
+# Figure out what we need to build from the various variables
+# ==========================================================================
+
 __subdir-y	:= $(patsubst %/,%,$(filter %/, $(obj-y)))
 subdir-y	+= $(__subdir-y)
 __subdir-m	:= $(patsubst %/,%,$(filter %/, $(obj-m)))
@@ -17,26 +21,43 @@ subdir-n	+= $(__subdir-n)
 __subdir-	:= $(patsubst %/,%,$(filter %/, $(obj-)))
 subdir-		+= $(__subdir-)
 
+# Subdirectories we need to descend into
+
 subdir-ym	:= $(sort $(subdir-y) $(subdir-m))
 subdir-ymn      := $(sort $(subdir-ym) $(subdir-n) $(subdir-))
 
+# Add subdir path
+
 EXTRA_TARGETS	:= $(addprefix $(obj)/,$(EXTRA_TARGETS))
 clean-files	:= $(addprefix $(obj)/,$(clean-files))
 host-progs	:= $(addprefix $(obj)/,$(host-progs))
 subdir-ymn	:= $(addprefix $(obj)/,$(subdir-ymn))
 
+# ==========================================================================
+
 __clean-files := $(wildcard $(EXTRA_TARGETS) $(host-progs) $(clean-files))
 
+quiet_cmd_clean = CLEAN   $(obj)
+      cmd_clean = rm -f $(__clean-files); $(clean-rule)
+
 __clean: $(subdir-ymn)
 ifneq ($(strip $(__clean-files) $(clean-rule)),)
-	rm -f $(__clean-files)
-	$(clean-rule)
+	+$(call cmd,clean)
 else
 	@:
 endif
 
-.PHONY: $(subdir-ymn)
+# ===========================================================================
+# Generic stuff
+# ===========================================================================
+
+# Descending
+# ---------------------------------------------------------------------------
 
+.PHONY: $(subdir-ymn)
 $(subdir-ymn):
-	$(MAKE) -rR -f scripts/Makefile.clean obj=$@
+	$(Q)$(MAKE) -f scripts/Makefile.clean obj=$@
+
+# If quiet is set, only print short version of command
 
+cmd = @$(if $($(quiet)cmd_$(1)),echo '  $($(quiet)cmd_$(1))' &&) $(cmd_$(1))

scripts/Makefile.lib

+# ===========================================================================
+# kbuild: Generic definitions
+# ===========================================================================
+
+# Standard vars
+
+comma   := ,
+
+# Figure out what we need to build from the various variables
+# ===========================================================================
+
+# When an object is listed to be built compiled-in and modular,
+# only build the compiled-in version
+
+obj-m := $(filter-out $(obj-y),$(obj-m))
+
+# Handle objects in subdirs
+# ---------------------------------------------------------------------------
+# o if we encounter foo/ in $(obj-y), replace it by foo/built-in.o
+#   and add the directory to the list of dirs to descend into: $(subdir-y)
+# o if we encounter foo/ in $(obj-m), remove it from $(obj-m) 
+#   and add the directory to the list of dirs to descend into: $(subdir-m)
+
+__subdir-y	:= $(patsubst %/,%,$(filter %/, $(obj-y)))
+subdir-y	+= $(__subdir-y)
+__subdir-m	:= $(patsubst %/,%,$(filter %/, $(obj-m)))
+subdir-m	+= $(__subdir-m)
+obj-y		:= $(patsubst %/, %/built-in.o, $(obj-y))
+obj-m		:= $(filter-out %/, $(obj-m))
+
+# Subdirectories we need to descend into
+
+subdir-ym	:= $(sort $(subdir-y) $(subdir-m))
+
+# export.o is never a composite object, since $(export-objs) has a
+# fixed meaning (== objects which EXPORT_SYMBOL())
+__obj-y = $(filter-out export.o,$(obj-y))
+__obj-m = $(filter-out export.o,$(obj-m))
+
+# if $(foo-objs) exists, foo.o is a composite object 
+multi-used-y := $(sort $(foreach m,$(__obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m))))
+multi-used-m := $(sort $(foreach m,$(__obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m))))
+
+# Build list of the parts of our composite objects, our composite
+# objects depend on those (obviously)
+multi-objs-y := $(foreach m, $(multi-used-y), $($(m:.o=-objs)) $($(m:.o=-y)))
+multi-objs-m := $(foreach m, $(multi-used-m), $($(m:.o=-objs)) $($(m:.o=-y)))
+
+# $(subdir-obj-y) is the list of objects in $(obj-y) which do not live
+# in the local directory
+subdir-obj-y := $(foreach o,$(obj-y),$(if $(filter-out $(o),$(notdir $(o))),$(o)))
+
+# Replace multi-part objects by their individual parts, look at local dir only
+real-objs-y := $(foreach m, $(filter-out $(subdir-obj-y), $(obj-y)), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) $(EXTRA_TARGETS)
+real-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m)))
+
+# Only build module versions for files which are selected to be built
+export-objs := $(filter $(export-objs),$(real-objs-y) $(real-objs-m))
+
+host-progs-single     := $(foreach m,$(host-progs),$(if $($(m)-objs),,$(m)))
+host-progs-multi      := $(foreach m,$(host-progs),$(if $($(m)-objs),$(m)))
+host-progs-multi-objs := $(foreach m,$(host-progs-multi),$($(m)-objs))
+
+# Add subdir path
+
+EXTRA_TARGETS	:= $(addprefix $(obj)/,$(EXTRA_TARGETS))
+obj-y		:= $(addprefix $(obj)/,$(obj-y))
+obj-m		:= $(addprefix $(obj)/,$(obj-m))
+export-objs	:= $(addprefix $(obj)/,$(export-objs))
+subdir-obj-y	:= $(addprefix $(obj)/,$(subdir-obj-y))
+real-objs-y	:= $(addprefix $(obj)/,$(real-objs-y))
+real-objs-m	:= $(addprefix $(obj)/,$(real-objs-m))
+multi-used-y	:= $(addprefix $(obj)/,$(multi-used-y))
+multi-used-m	:= $(addprefix $(obj)/,$(multi-used-m))
+multi-objs-y	:= $(addprefix $(obj)/,$(multi-objs-y))
+multi-objs-m	:= $(addprefix $(obj)/,$(multi-objs-m))
+subdir-ym	:= $(addprefix $(obj)/,$(subdir-ym))
+host-progs	:= $(addprefix $(obj)/,$(host-progs))
+host-progs-single     := $(addprefix $(obj)/,$(host-progs-single))
+host-progs-multi      := $(addprefix $(obj)/,$(host-progs-multi))
+host-progs-multi-objs := $(addprefix $(obj)/,$(host-progs-multi-objs))
+
+# The temporary file to save gcc -MD generated dependencies must not
+# contain a comma
+depfile = $(subst $(comma),_,$(@D)/.$(@F).d)
+
+# Shipped files
+# ===========================================================================
+
+quiet_cmd_shipped = SHIPPED $@
+cmd_shipped = cat $< > $@
+
+%:: %_shipped
+	$(call cmd,shipped)
+
+# Commands useful for building a boot image
+# ===========================================================================
+# 
+#	Use as following:
+#
+#	target: source(s) FORCE
+#		$(if_changed,ld/objcopy/gzip)
+#
+#	and add target to EXTRA_TARGETS so that we know we have to
+#	read in the saved command line
+
+# Linking
+# ---------------------------------------------------------------------------
+
+quiet_cmd_ld = LD      $@
+cmd_ld = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) \
+	       $(filter-out FORCE,$^) -o $@ 
+
+# Objcopy
+# ---------------------------------------------------------------------------
+
+quiet_cmd_objcopy = OBJCOPY $@
+cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $< $@
+
+# Gzip
+# ---------------------------------------------------------------------------
+
+quiet_cmd_gzip = GZIP    $@
+cmd_gzip = gzip -f -9 < $< > $@
+
+# ===========================================================================
+# Generic stuff
+# ===========================================================================
+
+# function to only execute the passed command if necessary
+
+if_changed = $(if $(strip $? \
+		          $(filter-out $(cmd_$(1)),$(cmd_$@))\
+			  $(filter-out $(cmd_$@),$(cmd_$(1)))),\
+	@set -e; \
+	$(if $($(quiet)cmd_$(1)),echo '  $($(quiet)cmd_$(1))';) \
+	$(cmd_$(1)); \
+	echo 'cmd_$@ := $(cmd_$(1))' > $(@D)/.$(@F).cmd)
+
+
+# execute the command and also postprocess generated .d dependencies
+# file
+
+if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\
+		          $(filter-out $(cmd_$(1)),$(cmd_$@))\
+			  $(filter-out $(cmd_$@),$(cmd_$(1)))),\
+	@set -e; \
+	$(if $($(quiet)cmd_$(1)),echo '  $($(quiet)cmd_$(1))';) \
+	$(cmd_$(1)); \
+	scripts/fixdep $(depfile) $@ '$(cmd_$(1))' > $(@D)/.$(@F).tmp; \
+	rm -f $(depfile); \
+	mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd)
+
+# Usage: $(call if_changed_rule,foo)
+# will check if $(cmd_foo) changed, or any of the prequisites changed,
+# and if so will execute $(rule_foo)
+
+if_changed_rule = $(if $(strip $? \
+		               $(filter-out $(cmd_$(1)),$(cmd_$@))\
+			       $(filter-out $(cmd_$@),$(cmd_$(1)))),\
+			@set -e; \
+			mkdir -p $(dir $@); \
+			$(rule_$(1)))
+
+# If quiet is set, only print short version of command
+
+cmd = @$(if $($(quiet)cmd_$(1)),echo '  $($(quiet)cmd_$(1))' &&) $(cmd_$(1))
+
+# do_cmd is a shorthand used to support both compressed, verbose
+# and silent output in a single line.
+# Compared to cmd described avobe, do_cmd does no rely on any variables 
+# previously assigned a value.
+#
+# Usage $(call do_cmd,CMD   $@,cmd_to_execute bla bla)
+# Example:
+# $(call do_cmd,CP $@,cp -b $< $@)
+# make -s => nothing will be printed
+# make KBUILD_VERBOSE=1 => cp -b path/to/src.file path/to/dest.file
+# make KBUILD_VERBOSE=0 =>   CP path/to/dest.file
+define do_cmd
+	@$(if $(filter quiet_,$(quiet)), echo '  $(1)' &&,
+           $(if $(filter silent_,$(quiet)),,
+             echo "$(2)" &&)) \
+        $(2)
+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)

scripts/Makefile.modinst

+# ==========================================================================
+# Installing modules
+# ==========================================================================
+
+src := $(obj)
+
+.PHONY: modules_install
+modules_install:
+
+include .config
+
+include $(obj)/Makefile
+
+include scripts/Makefile.lib
+
+# ==========================================================================
+
+quiet_cmd_modules_install = INSTALL $(obj-m)
+      cmd_modules_install = mkdir -p $(MODLIB)/kernel/$(obj); \
+			    cp $(obj-m) $(MODLIB)/kernel/$(obj)
+
+modules_install: $(subdir-ym)
+ifneq ($(obj-m),)
+	$(call cmd,modules_install)
+else
+	@:
+endif
+
+# Descending
+# ---------------------------------------------------------------------------
+
+.PHONY: $(subdir-ym)
+$(subdir-ym):
+	$(Q)$(MAKE) -rR -f scripts/Makefile.modinst obj=$@

scripts/Makefile.modver

+# ===========================================================================
+# Module versions
+# ===========================================================================
+
+src := $(obj)
+
+.PHONY: modver
+modver:
+
+include .config
+
+include $(obj)/Makefile
+
+include scripts/Makefile.lib
+
+# ===========================================================================
+
+ifeq ($(strip $(export-objs)),)
+
+# If we don't export any symbols in this dir, just descend
+# ---------------------------------------------------------------------------
+
+modver: $(subdir-ym)
+	@:
+
+else
+
+# This sets version suffixes on exported symbols
+# ---------------------------------------------------------------------------
+
+MODVERDIR := include/linux/modules
+
+#
+# Added the SMP separator to stop module accidents between uniprocessor
+# and SMP Intel boxes - AC - from bits by Michael Chastain
+#
+
+ifdef CONFIG_SMP
+	genksyms_smp_prefix := -p smp_
+else
+	genksyms_smp_prefix := 
+endif
+
+#	Don't include modversions.h, we're just about to generate it here.
+
+CFLAGS_MODULE := $(filter-out -include include/linux/modversions.h,$(CFLAGS_MODULE))
+
+$(addprefix $(MODVERDIR)/,$(real-objs-y:.o=.ver)): modkern_cflags := $(CFLAGS_KERNEL)
+$(addprefix $(MODVERDIR)/,$(real-objs-m:.o=.ver)): modkern_cflags := $(CFLAGS_MODULE)
+$(addprefix $(MODVERDIR)/,$(export-objs:.o=.ver)): export_flags   := -D__GENKSYMS__
+
+c_flags = -Wp,-MD,$(depfile) $(CFLAGS) $(NOSTDINC_FLAGS) \
+	  $(modkern_cflags) $(EXTRA_CFLAGS) $(CFLAGS_$(*F).o) \
+	  -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) \
+	  $(export_flags) 
+
+# Our objects only depend on modversions.h, not on the individual .ver
+# files (fix-dep filters them), so touch modversions.h if any of the .ver
+# files changes
+
+quiet_cmd_cc_ver_c = MKVER   include/linux/modules/$*.ver
+cmd_cc_ver_c = $(CPP) $(c_flags) $< | $(GENKSYMS) $(genksyms_smp_prefix) \
+		 -k $(VERSION).$(PATCHLEVEL).$(SUBLEVEL) > $@.tmp
+
+# Okay, let's explain what's happening in rule_make_cc_ver_c:
+# o echo the command
+# o execute the command
+# o If the $(CPP) fails, we won't notice because it's output is piped
+#   to $(GENKSYMS) which does not fail. We recognize this case by
+#   looking if the generated $(depfile) exists, though.
+# o If the .ver file changed, touch modversions.h, which is our marker
+#   of any changed .ver files.
+# o Move command line and deps into their normal .*.cmd place.  
+
+define rule_cc_ver_c
+	$(if $($(quiet)cmd_cc_ver_c),echo '  $($(quiet)cmd_cc_ver_c)';) \
+	$(cmd_cc_ver_c); \
+	if [ ! -r $(depfile) ]; then exit 1; fi; \
+	scripts/fixdep $(depfile) $@ '$(cmd_cc_ver_c)' > $(@D)/.$(@F).tmp; \
+	rm -f $(depfile); \
+	if [ ! -r $@ ] || cmp -s $@ $@.tmp; then \
+	  touch include/linux/modversions.h; \
+	fi; \
+	mv -f $@.tmp $@
+	mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd
+endef
+
+targets := $(addprefix $(MODVERDIR)/,$(export-objs:.o=.ver))
+
+$(MODVERDIR)/%.ver: %.c FORCE
+	@$(call if_changed_rule,cc_ver_c)
+
+modver: $(targets) $(subdir-ym)
+	@mkdir -p $(dir $(addprefix .tmp_export-objs/modules/,$(export-objs:.o=.ver)))
+	@touch $(addprefix .tmp_export-objs/modules/,$(export-objs:.o=.ver))
+
+endif # export-objs 
+
+# Descending
+# ---------------------------------------------------------------------------
+
+.PHONY: $(subdir-ym)
+$(subdir-ym):
+	$(Q)$(MAKE) -f scripts/Makefile.modver obj=$@
+
+# Add FORCE to the prequisites of a target to force it to be always rebuilt.
+# ---------------------------------------------------------------------------
+
+.PHONY: FORCE
+
+FORCE:
+
+# Read all saved command lines and dependencies for the $(targets) we
+# may be building above, using $(if_changed{,_dep}). As an
+# optimization, we don't need to read them if the target does not
+# exist, we will rebuild anyway in that case.
+
+targets := $(wildcard $(sort $(targets)))
+cmd_files := $(wildcard $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
+
+ifneq ($(cmd_files),)
+  include $(cmd_files)
+endif