[LV-k25-commit] kernel-2.5 Makefile,1.105,1.106

[Kenn H. <ke...@us...>]

Update of /cvsroot/linux-vax/kernel-2.5
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv13010

Modified Files:
	Makefile 
Log Message:
Merge with 2.6.8


Index: Makefile
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/Makefile,v
retrieving revision 1.105
retrieving revision 1.106
diff -u -d -r1.105 -r1.106
--- Makefile	6 Aug 2004 23:37:57 -0000	1.105
+++ Makefile	2 Sep 2004 19:51:18 -0000	1.106
@@ -1,6 +1,6 @@
 VERSION = 2
 PATCHLEVEL = 6
-SUBLEVEL = 7
+SUBLEVEL = 8
 EXTRAVERSION =
 NAME=Zonked Quokka
 
@@ -53,7 +53,7 @@
   KBUILD_CHECKSRC = 0
 endif
 
-# Use make M=dir to specify direcotry of external module to build
+# Use make M=dir to specify directory of external module to build
 # Old syntax make ... SUBDIRS=$PWD is still supported
 # Setting the environment variable KBUILD_EXTMOD take precedence
 ifdef SUBDIRS
@@ -130,16 +130,6 @@
 _all: modules
 endif
 
-# Make sure we're not wasting cpu-cycles doing locale handling, yet do make
-# sure error messages appear in the user-desired language
-ifdef LC_ALL
-LANG := $(LC_ALL)
-LC_ALL :=
-endif
-LC_COLLATE := C
-LC_CTYPE := C
-export LANG LC_ALL LC_COLLATE LC_CTYPE
-
 srctree		:= $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR))
 TOPDIR		:= $(srctree)
 # FIXME - TOPDIR is obsolete, use srctree/objtree
@@ -290,8 +280,6 @@
 OBJCOPY		= $(CROSS_COMPILE)objcopy
 OBJDUMP		= $(CROSS_COMPILE)objdump
 AWK		= awk
-RPM 		:= $(shell if [ -x "/usr/bin/rpmbuild" ]; then echo rpmbuild; \
-		    	else echo rpm; fi)
 GENKSYMS	= scripts/genksyms/genksyms
 DEPMOD		= /sbin/depmod
 KALLSYMS	= scripts/kallsyms
@@ -334,8 +322,8 @@
 
 # Files to ignore in find ... statements
 
-RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \) -prune -o
-RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn --exclude CVS
+RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS -o -name .pc \) -prune -o
+RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn --exclude CVS --exclude .pc
 
 # ===========================================================================
 # Rules shared between *config targets and build targets
@@ -409,13 +397,6 @@
 
 scripts_basic: include/linux/autoconf.h
 
-
-# That's our default target when none is given on the command line
-# Note that 'modules' will be added as a prerequisite as well, 
-# in the CONFIG_MODULES part below
-
-all:	vmlinux
-
 # Objects we will link into vmlinux / subdirs we need to visit
 init-y		:= init/
 drivers-y	:= drivers/ sound/
@@ -449,6 +430,19 @@
 
 include $(srctree)/arch/$(ARCH)/Makefile
 
+# Default kernel image to build when no specific target is given.
+# KBUILD_IMAGE may be overruled on the commandline or
+# set in the environment
+# Also any assingments in arch/$(ARCH)/Makefiel take precedence over
+# this default value
+export KBUILD_IMAGE ?= vmlinux
+
+# The all: target is the default when no target is given on the
+# command line.
+# This allow a user to issue only 'make' to build a kernel including modules
+# Defaults vmlinux but it is usually overriden in the arch makefile
+all: vmlinux
+
 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
 CFLAGS		+= -Os
 else
@@ -544,10 +538,7 @@
 	echo 'cmd_$@ := $(cmd_vmlinux__)' > $(@D)/.$(@F).cmd
 endef
 
-define rule_vmlinux
-	$(rule_vmlinux__); \
-	$(NM) $@ | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > System.map
-endef
+do_system_map = $(NM) $(1) | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > $(2)
 
 LDFLAGS_vmlinux += -T arch/$(ARCH)/kernel/vmlinux.lds.s
 
@@ -561,30 +552,57 @@
 #	  but due to the added section, some addresses have shifted
 #	  From here, we generate a correct .tmp_kallsyms2.o
 #	o The correct .tmp_kallsyms2.o is linked into the final vmlinux.
+#	o Verify that the System.map from vmlinux matches the map from
+#	  .tmp_vmlinux2, just in case we did not generate kallsyms correctly.
+#	o If CONFIG_KALLSYMS_EXTRA_PASS is set, do an extra pass using
+#	  .tmp_vmlinux3 and .tmp_kallsyms3.o.  This is only meant as a
+#	  temporary bypass to allow the kernel to be built while the
+#	  maintainers work out what went wrong with kallsyms.
 
 ifdef CONFIG_KALLSYMS
 
-kallsyms.o := .tmp_kallsyms2.o
+ifdef CONFIG_KALLSYMS_EXTRA_PASS
+last_kallsyms := 3
+else
+last_kallsyms := 2
+endif
+
+kallsyms.o := .tmp_kallsyms$(last_kallsyms).o
+
+define rule_verify_kallsyms
+	@$(call do_system_map, .tmp_vmlinux$(last_kallsyms), .tmp_System.map)
+	@cmp -s System.map .tmp_System.map || \
+		(echo Inconsistent kallsyms data, try setting CONFIG_KALLSYMS_EXTRA_PASS ; rm .tmp_kallsyms* ; false)
+endef
 
 quiet_cmd_kallsyms = KSYM    $@
 cmd_kallsyms = $(NM) -n $< | $(KALLSYMS) $(foreach x,$(CONFIG_KALLSYMS_ALL),--all-symbols) > $@
 
-.tmp_kallsyms1.o .tmp_kallsyms2.o: %.o: %.S scripts FORCE
+.tmp_kallsyms1.o .tmp_kallsyms2.o .tmp_kallsyms3.o: %.o: %.S scripts FORCE
 	$(call if_changed_dep,as_o_S)
 
 .tmp_kallsyms%.S: .tmp_vmlinux%
 	$(call cmd,kallsyms)
 
 .tmp_vmlinux1: $(vmlinux-objs) arch/$(ARCH)/kernel/vmlinux.lds.s FORCE
-	+$(call if_changed_rule,vmlinux__)
+	$(call if_changed_rule,vmlinux__)
 
 .tmp_vmlinux2: $(vmlinux-objs) .tmp_kallsyms1.o arch/$(ARCH)/kernel/vmlinux.lds.s FORCE
 	$(call if_changed_rule,vmlinux__)
 
+.tmp_vmlinux3: $(vmlinux-objs) .tmp_kallsyms2.o arch/$(ARCH)/kernel/vmlinux.lds.s FORCE
+	$(call if_changed_rule,vmlinux__)
+
 endif
 
 #	Finally the vmlinux rule
 
+define rule_vmlinux
+	$(rule_vmlinux__); \
+	$(call do_system_map, $@, System.map)
+	$(rule_verify_kallsyms)
+endef
+
 vmlinux: $(vmlinux-objs) $(kallsyms.o) arch/$(ARCH)/kernel/vmlinux.lds.s FORCE
 	$(call if_changed_rule,vmlinux)
 
@@ -593,7 +611,11 @@
 
 $(sort $(vmlinux-objs)) arch/$(ARCH)/kernel/vmlinux.lds.s: $(vmlinux-dirs) ;
 
-# 	Handle descending into subdirectories listed in $(vmlinux-dirs)
+# Handle descending into subdirectories listed in $(vmlinux-dirs)
+# Preset locale variables to speed up the build process. Limit locale
+# tweaks to this spot to avoid wrong language settings when running
+# make menuconfig etc.
+# Error messages still appears in the original language
 
 .PHONY: $(vmlinux-dirs)
 $(vmlinux-dirs): prepare-all scripts
@@ -604,14 +626,24 @@
 # A multi level approach is used. prepare1 is updated first, then prepare0.
 # prepare-all is the collection point for the prepare targets.
 
-.PHONY: prepare-all prepare prepare0 prepare1
+.PHONY: prepare-all prepare prepare0 prepare1 prepare2
+
+# prepare 2 generate Makefile to be placed in output directory, if
+# using a seperate output directory. This allows convinient use
+# of make in output directory
+prepare2:
+	$(Q)if [ ! $(srctree) -ef $(objtree) ]; then       \
+	$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile      \
+	    $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) \
+	    > $(objtree)/Makefile;                         \
+	fi
 
 # prepare1 is used to check if we are building in a separate output directory,
 # and if so do:
 # 1) Check that make has not been executed in the kernel src $(srctree)
 # 2) Create the include2 directory, used for the second asm symlink
 
-prepare1:
+prepare1: prepare2
 ifneq ($(KBUILD_SRC),)
 	@echo '  Using $(srctree) as source for kernel'
 	$(Q)if [ -h $(srctree)/include/asm -o -f $(srctree)/.config ]; then \
@@ -732,9 +764,13 @@
 		sleep 1; \
 	fi
 	@rm -rf $(MODLIB)/kernel
-	@rm -f $(MODLIB)/build
+	@rm -f $(MODLIB)/source
 	@mkdir -p $(MODLIB)/kernel
-	@ln -s $(TOPDIR) $(MODLIB)/build
+	@ln -s $(srctree) $(MODLIB)/source
+	@if [ ! $(objtree) -ef  $(MODLIB)/build ]; then \
+		rm -f $(MODLIB)/build ; \
+		ln -s $(objtree) $(MODLIB)/build ; \
+	fi
 	$(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.modinst
 
 # If System.map exists, run depmod.  This deliberately does not have a
@@ -795,8 +831,8 @@
 
 # Directories & files removed with 'make clean'
 CLEAN_DIRS  += $(MODVERDIR)
-CLEAN_FILES +=	vmlinux System.map kernel.spec \
-                .tmp_kallsyms* .tmp_version .tmp_vmlinux*
+CLEAN_FILES +=	vmlinux System.map \
+                .tmp_kallsyms* .tmp_version .tmp_vmlinux* .tmp_System.map
 
 # Directories & files removed with 'make mrproper'
 MRPROPER_DIRS  += include/config include2
@@ -842,44 +878,26 @@
 .PHONY: distclean
 
 distclean: mrproper
-	@find . $(RCS_FIND_IGNORE) \
+	@find $(srctree) $(RCS_FIND_IGNORE) \
 	 	\( -name '*.orig' -o -name '*.rej' -o -name '*~' \
 		-o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
 	 	-o -name '.*.rej' -o -size 0 \
 		-o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \
 		-type f -print | xargs rm -f
 
-# RPM target
-# ---------------------------------------------------------------------------
-
-.PHONY: rpm
-
-# Remove hyphens since they have special meaning in RPM filenames
-KERNELPATH=kernel-$(subst -,,$(KERNELRELEASE))
-
-#	If you do a make spec before packing the tarball you can rpm -ta it
-
-spec:
-	$(CONFIG_SHELL) $(srctree)/scripts/mkspec > $(objtree)/kernel.spec
 
-#	a) Build a tar ball
-#	b) generate an rpm from it
-#	c) and pack the result
-#	- Use /. to avoid tar packing just the symlink
+# Packaging of the kernel to various formats
+# ---------------------------------------------------------------------------
+# rpm target kept for backward compatibility
+package-dir	:= $(srctree)/scripts/package
 
-rpm:	clean spec
-	set -e; \
-	cd .. ; \
-	ln -sf $(srctree) $(KERNELPATH) ; \
-	tar -cvz $(RCS_TAR_IGNORE) -f $(KERNELPATH).tar.gz $(KERNELPATH)/. ; \
-	rm $(KERNELPATH)
+.PHONY: %-pkg rpm
 
-	set -e; \
-	$(CONFIG_SHELL) $(srctree)/scripts/mkversion > $(objtree)/.tmp_version;\
-	mv -f $(objtree)/.tmp_version $(objtree)/.version;
+%pkg: FORCE
+	$(Q)$(MAKE) -f $(package-dir)/Makefile $@
+rpm: FORCE
+	$(Q)$(MAKE) -f $(package-dir)/Makefile $@
 
-	$(RPM) --target $(UTS_MACHINE) -ta ../$(KERNELPATH).tar.gz
-	rm ../$(KERNELPATH).tar.gz
 
 # Brief documentation of the typical targets used
 # ---------------------------------------------------------------------------
@@ -906,6 +924,8 @@
 	@echo  '  tags/TAGS	  - Generate tags file for editors'
 	@echo  '  cscope	  - Generate cscope index'
 	@echo  '  checkstack      - Generate a list of stack hogs'
+	@echo  'Kernel packaging:'
+	@$(MAKE) -f $(package-dir)/Makefile help
 	@echo  ''
 	@echo  'Documentation targets:'
 	@$(MAKE) -f $(srctree)/Documentation/DocBook/Makefile dochelp
@@ -998,19 +1018,19 @@
 # ---------------------------------------------------------------------------
 
 define all-sources
-	( find . $(RCS_FIND_IGNORE) \
+	( find $(srctree) $(RCS_FIND_IGNORE) \
 	       \( -name include -o -name arch \) -prune -o \
 	       -name '*.[chS]' -print; \
-	  find arch/$(ARCH) $(RCS_FIND_IGNORE) \
+	  find $(srctree)/arch/$(ARCH) $(RCS_FIND_IGNORE) \
 	       -name '*.[chS]' -print; \
-	  find security/selinux/include $(RCS_FIND_IGNORE) \
+	  find $(srctree)/security/selinux/include $(RCS_FIND_IGNORE) \
 	       -name '*.[chS]' -print; \
-	  find include $(RCS_FIND_IGNORE) \
+	  find $(srctree)/include $(RCS_FIND_IGNORE) \
 	       \( -name config -o -name 'asm-*' \) -prune \
 	       -o -name '*.[chS]' -print; \
-	  find include/asm-$(ARCH) $(RCS_FIND_IGNORE) \
+	  find $(srctree)/include/asm-$(ARCH) $(RCS_FIND_IGNORE) \
 	       -name '*.[chS]' -print; \
-	  find include/asm-generic $(RCS_FIND_IGNORE) \
+	  find $(srctree)/include/asm-generic $(RCS_FIND_IGNORE) \
 	       -name '*.[chS]' -print )
 endef
 
@@ -1071,7 +1091,7 @@
 .PHONY: checkstack
 checkstack:
 	$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
-	$(PERL) scripts/checkstack.pl $(ARCH)
+	$(PERL) $(src)/scripts/checkstack.pl $(ARCH)
 
 # FIXME Should go into a make.lib or something 
 # ===========================================================================