Merge http://linux-isdn.bkbits.net/linux-2.5.make

into home.transmeta.com:/home/torvalds/v2.5/linux

Makefile

@@ -164,6 +164,9 @@ export srctree objtree
 
 SUBDIRS		:= init kernel mm fs ipc lib drivers sound net security
 
+# The temporary file to save gcc -MD generated dependencies must not
+# contain a comma
+depfile = $(subst $(comma),_,$(@D)/.$(@F).d)
 
 noconfig_targets := xconfig menuconfig config oldconfig randconfig \
 		    defconfig allyesconfig allnoconfig allmodconfig \
@@ -318,8 +321,12 @@ prepare: include/linux/version.h include/asm include/config/MARKER
 #	This can be used by arch/$ARCH/Makefile to preprocess
 #	their vmlinux.lds.S file
 
-arch/$(ARCH)/vmlinux.lds.s: arch/$(ARCH)/vmlinux.lds.S
-	$(CPP) $(CPPFLAGS) $(CPPFLAGS_$@) -P -C -U$(ARCH) $< -o $@
+AFLAGS_vmlinux.lds.o += -P -C -U$(ARCH)
+
+arch/$(ARCH)/vmlinux.lds.s: arch/$(ARCH)/vmlinux.lds.S FORCE
+	$(call if_changed_dep,as_s_S)
+
+targets += arch/$(ARCH)/vmlinux.lds.s
 
 # Single targets
 # ---------------------------------------------------------------------------
@@ -782,13 +789,34 @@ endif # ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
 # FIXME Should go into a make.lib or something 
 # ===========================================================================
 
+a_flags = -Wp,-MD,$(depfile) $(AFLAGS) $(NOSTDINC_FLAGS) \
+	  $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(*F).o)
+
+quiet_cmd_as_s_S = CPP     $(echo_target)
+cmd_as_s_S       = $(CPP) $(a_flags)   -o $@ $< 
+
 # read all saved command lines
 
-cmd_files := $(wildcard .*.cmd)
+targets := $(wildcard $(sort $(targets)))
+cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
+
 ifneq ($(cmd_files),)
   include $(cmd_files)
 endif
 
+# 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)); \
+	$(TOPDIR)/scripts/fixdep $(depfile) $@ $(TOPDIR) '$(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)

Rules.make

@@ -289,7 +289,7 @@ cmd_cc_o_c       = $(CC) $(c_flags) -c -o $@ $<
 %.o: %.c FORCE
 	$(call if_changed_dep,cc_o_c)
 
-quiet_cmd_cc_lst_c = '  Generating $(echo_target)'
+quiet_cmd_cc_lst_c = MKLST   $(echo_target)
 cmd_cc_lst_c       = $(CC) $(c_flags) -g -c -o $*.o $< && $(TOPDIR)/scripts/makelst $*.o $(TOPDIR)/System.map $(OBJDUMP) > $@
 
 %.lst: %.c FORCE
@@ -411,9 +411,11 @@ endif # ! fastdep
 # Shipped files
 # ===========================================================================
 
+quiet_cmd_shipped = SHIPPED $(echo_target)
+cmd_shipped = cat $< > $@
+
 %:: %_shipped
-	@echo '  CP     $(echo_target)'
-	@cp $< $@
+	$(call cmd,shipped)
 
 # Commands useful for building a boot image
 # ===========================================================================
@@ -421,7 +423,7 @@ endif # ! fastdep
 #	Use as following:
 #
 #	target: source(s) FORCE
-#		$(if_changed,ld/objcopy)
+#		$(if_changed,ld/objcopy/gzip)
 #
 #	and add target to EXTRA_TARGETS so that we know we have to
 #	read in the saved command line
@@ -436,7 +438,7 @@ cmd_ld = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$@) \
 # Objcopy
 # ---------------------------------------------------------------------------
 
-quiet_cmd_objcopy = OBJCPY $(echo_target)
+quiet_cmd_objcopy = OBJCOPY $(echo_target)
 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $< $@
 
 # Gzip

arch/ia64/Makefile

@@ -96,9 +96,6 @@ MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
 
 vmlinux: arch/$(ARCH)/vmlinux.lds.s
 
-arch/$(ARCH)/vmlinux.lds.s: arch/$(ARCH)/vmlinux.lds.S
-	$(CPP) $(CPPFLAGS) $(CPPFLAGS_$@) -D__ASSEMBLY__ -P -C -U$(ARCH) $< -o $@
-
 compressed: vmlinux
 	$(OBJCOPY) $(OBJCOPYFLAGS) vmlinux vmlinux-tmp
 	gzip vmlinux-tmp

arch/mips64/Makefile

@@ -149,7 +149,7 @@ endif
 
 vmlinux: arch/mips64/vmlinux.lds.s
 
-CPPFLAGS_arch/mips64/vmlinux.lds.s := -imacros $(srctree)/include/asm-mips64/sn/mapped_kernel.h
+AFLAGS_vmlinux.lds.o := -imacros $(srctree)/include/asm-mips64/sn/mapped_kernel.h
 
 ifdef CONFIG_MAPPED_KERNEL
 vmlinux.64: vmlinux

arch/sh/Makefile

@@ -72,9 +72,7 @@ endif
 
 vmlinux: arch/sh/vmlinux.lds.s
 
-CPPFLAGS_arch/sh/vmlinux.lds.s := -traditional
-
-FORCE: ;
+AFLAGS_vmlinux.lds.o := -traditional
 
 zImage: vmlinux
 	@$(MAKEBOOT) zImage

scripts/mkcompile_h

@@ -67,8 +67,8 @@ UTS_TRUNCATE="sed -e s/\(.\{1,$UTS_LEN\}\).*/\1/"
 # first line.
 
 if [ -r $TARGET ] && \
-      grep -v 'UTS_VERSION\|LINUX_COMPILE_TIME' $TARGET > .tmpver.1 && \
-      grep -v 'UTS_VERSION\|LINUX_COMPILE_TIME' .tmpcompile > .tmpver.2 && \
+      grep -v 'auto generated\|UTS_VERSION\|LINUX_COMPILE_TIME' $TARGET > .tmpver.1 && \
+      grep -v 'auto generated\|UTS_VERSION\|LINUX_COMPILE_TIME' .tmpcompile > .tmpver.2 && \
       cmp -s .tmpver.1 .tmpver.2; then
    echo ' (unchanged)'
    rm -f .tmpcompile