X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=Makefile;h=de4f8f7d396c6435065a02ebb8274b54165ec2a6;hb=d8558f99fbc5ef5d4ae76b893784005056450f82;hp=7a06c16602fd8e7f238d2beb14553a039897f0b9;hpb=398477d4bd57cc33792fd93035c2763ad78629c4;p=safe%2Fjmp%2Flinux-2.6

diff --git a/Makefile b/Makefile
index 7a06c16..de4f8f7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 VERSION = 2
 PATCHLEVEL = 6
-SUBLEVEL = 18
+SUBLEVEL = 22
 EXTRAVERSION =
-NAME=Avast! A bilge rat!
+NAME = Holy Dancing Manatees, Batman!
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
@@ -10,8 +10,11 @@ NAME=Avast! A bilge rat!
 # Comments in this file are targeted only to the developer, do not
 # expect to learn how to build the kernel reading this file.
 
-# Do not print "Entering directory ..."
-MAKEFLAGS += --no-print-directory
+# Do not:
+# o  use make's built-in rules and variables
+#    (this increases performance and avoid hard-to-debug behavour);
+# o  print "Entering directory ...";
+MAKEFLAGS += -rR --no-print-directory
 
 # We are using a recursive build, so we need to do a little thinking
 # to get the ordering right.
@@ -271,12 +274,8 @@ export quiet Q KBUILD_VERBOSE
 # Look for make include files relative to root of kernel src
 MAKEFLAGS += --include-dir=$(srctree)
 
-# We need some generic definitions
-include  $(srctree)/scripts/Kbuild.include
-
-# Do not use make's built-in rules and variables
-# This increases performance and avoid hard-to-debug behavour
-MAKEFLAGS += -rR
+# We need some generic definitions.
+include $(srctree)/scripts/Kbuild.include
 
 # Make variables (CC, etc...)
 
@@ -497,10 +496,6 @@ else
 CFLAGS		+= -fomit-frame-pointer
 endif
 
-ifdef CONFIG_UNWIND_INFO
-CFLAGS		+= -fasynchronous-unwind-tables
-endif
-
 ifdef CONFIG_DEBUG_INFO
 CFLAGS		+= -g
 endif
@@ -581,7 +576,7 @@ libs-y		:= $(libs-y1) $(libs-y2)
 # ---------------------------------------------------------------------------
 # vmlinux is built from the objects selected by $(vmlinux-init) and
 # $(vmlinux-main). Most are built-in.o files from top-level directories
-# in the kernel tree, others are specified in arch/$(ARCH)Makefile.
+# in the kernel tree, others are specified in arch/$(ARCH)/Makefile.
 # Ordering when linking is important, and $(vmlinux-init) must be first.
 #
 # vmlinux
@@ -608,6 +603,7 @@ vmlinux-init := $(head-y) $(init-y)
 vmlinux-main := $(core-y) $(libs-y) $(drivers-y) $(net-y)
 vmlinux-all  := $(vmlinux-init) $(vmlinux-main)
 vmlinux-lds  := arch/$(ARCH)/kernel/vmlinux.lds
+export KBUILD_VMLINUX_OBJS := $(vmlinux-all)
 
 # Rule to link vmlinux - also used during CONFIG_KALLSYMS
 # May be overridden by arch/$(ARCH)/Makefile
@@ -741,6 +737,9 @@ endif # ifdef CONFIG_KALLSYMS
 
 # vmlinux image - including updated kernel symbols
 vmlinux: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) $(kallsyms.o) FORCE
+ifdef CONFIG_HEADERS_CHECK
+	$(Q)$(MAKE) -f $(srctree)/Makefile headers_check
+endif
 	$(call if_changed_rule,vmlinux__)
 	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost $@
 	$(Q)rm -f .old_version
@@ -778,7 +777,7 @@ $(vmlinux-dirs): prepare scripts
 #	  $(EXTRAVERSION)		eg, -rc6
 #	$(localver-full)
 #	  $(localver)
-#	    localversion*		(all localversion* files)
+#	    localversion*		(files without backups, containing '~')
 #	    $(CONFIG_LOCALVERSION)	(from kernel config setting)
 #	  $(localver-auto)		(only if CONFIG_LOCALVERSION_AUTO is set)
 #	    ./scripts/setlocalversion	(SCM tag, if one exists)
@@ -789,17 +788,12 @@ $(vmlinux-dirs): prepare scripts
 # moment, only git is supported but other SCMs can edit the script
 # scripts/setlocalversion and add the appropriate checks as needed.
 
-nullstring :=
-space      := $(nullstring) # end of line
-
-___localver = $(objtree)/localversion* $(srctree)/localversion*
-__localver  = $(sort $(wildcard $(___localver)))
-# skip backup files (containing '~')
-_localver = $(foreach f, $(__localver), $(if $(findstring ~, $(f)),,$(f)))
+pattern = ".*/localversion[^~]*"
+string  = $(shell cat /dev/null \
+	   `find $(objtree) $(srctree) -maxdepth 1 -regex $(pattern) | sort -u`)
 
-localver = $(subst $(space),, \
-	   $(shell cat /dev/null $(_localver)) \
-	   $(patsubst "%",%,$(CONFIG_LOCALVERSION)))
+localver = $(subst $(space),, $(string) \
+			      $(patsubst "%",%,$(CONFIG_LOCALVERSION)))
 
 # If CONFIG_LOCALVERSION_AUTO is set scripts/setlocalversion is called
 # and if the SCM is know a tag from the SCM is appended.
@@ -832,9 +826,6 @@ include/config/kernel.release: include/config/auto.conf FORCE
 # Listed in dependency order
 PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
 
-# prepare-all is deprecated, use prepare as valid replacement
-PHONY += prepare-all
-
 # prepare3 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)
@@ -865,9 +856,10 @@ archprepare: prepare1 scripts_basic
 
 prepare0: archprepare FORCE
 	$(Q)$(MAKE) $(build)=.
+	$(Q)$(MAKE) $(build)=. missing-syscalls
 
 # All the preparing..
-prepare prepare-all: prepare0
+prepare: prepare0
 
 # Leave this as default for preprocessing vmlinux.lds.S, which is now
 # done in arch/$(ARCH)/kernel/Makefile
@@ -932,13 +924,18 @@ headers_install_all: include/linux/version.h scripts_basic FORCE
 
 PHONY += headers_install
 headers_install: include/linux/version.h scripts_basic FORCE
-	@if [ ! -r include/asm-$(ARCH)/Kbuild ]; then \
+	@if [ ! -r $(srctree)/include/asm-$(ARCH)/Kbuild ]; then \
 	  echo '*** Error: Headers not exportable for this architecture ($(ARCH))'; \
 	  exit 1 ; fi
 	$(Q)$(MAKE) $(build)=scripts scripts/unifdef
-	$(Q)rm -rf $(INSTALL_HDR_PATH)/include
 	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst obj=include
 
+PHONY += headers_check_all
+headers_check_all: headers_install_all
+	$(Q)for arch in $(HDRARCHES); do \
+	 $(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch HDRCHECK=1 ;\
+	 done
+
 PHONY += headers_check
 headers_check: headers_install
 	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst obj=include HDRCHECK=1
@@ -1098,9 +1095,9 @@ boards := $(notdir $(boards))
 
 help:
 	@echo  'Cleaning targets:'
-	@echo  '  clean		  - remove most generated files but keep the config and'
+	@echo  '  clean		  - Remove most generated files but keep the config and'
 	@echo  '                    enough build support to build external modules'
-	@echo  '  mrproper	  - remove all generated files + config + various backup files'
+	@echo  '  mrproper	  - Remove all generated files + config + various backup files'
 	@echo  '  distclean	  - mrproper + remove editor backup and patch files'
 	@echo  ''
 	@echo  'Configuration targets:'
@@ -1119,15 +1116,15 @@ help:
 	@echo  '  cscope	  - Generate cscope index'
 	@echo  '  kernelrelease	  - Output the release version string'
 	@echo  '  kernelversion	  - Output the version stored in Makefile'
-	@if [ -r include/asm-$(ARCH)/Kbuild ]; then \
+	@if [ -r $(srctree)/include/asm-$(ARCH)/Kbuild ]; then \
 	 echo  '  headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \
+	 echo  '                    (default: $(INSTALL_HDR_PATH))'; \
 	 fi
-	@echo  '                    (default: $(INSTALL_HDR_PATH))'
 	@echo  ''
 	@echo  'Static analysers'
 	@echo  '  checkstack      - Generate a list of stack hogs'
 	@echo  '  namespacecheck  - Name space analysis on compiled kernel'
-	@if [ -r include/asm-$(ARCH)/Kbuild ]; then \
+	@if [ -r $(srctree)/include/asm-$(ARCH)/Kbuild ]; then \
 	 echo  '  headers_check   - Sanity check on exported headers'; \
 	 fi
 	@echo  ''
@@ -1282,10 +1279,7 @@ endif
 ALLSOURCE_ARCHS := $(ARCH)
 
 define find-sources
-        ( find $(__srctree) $(RCS_FIND_IGNORE) \
-	       \( -name include -o -name arch \) -prune -o \
-	       -name $1 -print; \
-	  for ARCH in $(ALLSOURCE_ARCHS) ; do \
+        ( for ARCH in $(ALLSOURCE_ARCHS) ; do \
 	       find $(__srctree)arch/$${ARCH} $(RCS_FIND_IGNORE) \
 	            -name $1 -print; \
 	  done ; \
@@ -1299,7 +1293,11 @@ define find-sources
 	            -name $1 -print; \
 	  done ; \
 	  find $(__srctree)include/asm-generic $(RCS_FIND_IGNORE) \
-	       -name $1 -print )
+	       -name $1 -print; \
+	  find $(__srctree) $(RCS_FIND_IGNORE) \
+	       \( -name include -o -name arch \) -prune -o \
+	       -name $1 -print; \
+	  )
 endef
 
 define all-sources
@@ -1317,12 +1315,13 @@ define xtags
 	    $(all-sources) | xargs $1 -a \
 		-I __initdata,__exitdata,__acquires,__releases \
 		-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
-		--extra=+f --c-kinds=+px; \
+		--extra=+f --c-kinds=+px \
+		--regex-asm='/ENTRY\(([^)]*)\).*/\1/'; \
 	    $(all-kconfigs) | xargs $1 -a \
 		--langdef=kconfig \
 		--language-force=kconfig \
 		--regex-kconfig='/^[[:blank:]]*config[[:blank:]]+([[:alnum:]_]+)/\1/'; \
-	    $(all-defconfigs) | xargs $1 -a \
+	    $(all-defconfigs) | xargs -r $1 -a \
 		--langdef=dotconfig \
 		--language-force=dotconfig \
 		--regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/'; \
@@ -1330,7 +1329,7 @@ define xtags
 	    $(all-sources) | xargs $1 -a; \
 	    $(all-kconfigs) | xargs $1 -a \
 		--regex='/^[ \t]*config[ \t]+\([a-zA-Z0-9_]+\)/\1/'; \
-	    $(all-defconfigs) | xargs $1 -a \
+	    $(all-defconfigs) | xargs -r $1 -a \
 		--regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/'; \
 	else \
 	    $(all-sources) | xargs $1 -a; \
@@ -1386,9 +1385,19 @@ endif #ifeq ($(config-targets),1)
 endif #ifeq ($(mixed-targets),1)
 
 PHONY += checkstack kernelrelease kernelversion
+
+# UML needs a little special treatment here.  It wants to use the host
+# toolchain, so needs $(SUBARCH) passed to checkstack.pl.  Everyone
+# else wants $(ARCH), including people doing cross-builds, which means
+# that $(SUBARCH) doesn't work here.
+ifeq ($(ARCH), um)
+CHECKSTACK_ARCH := $(SUBARCH)
+else
+CHECKSTACK_ARCH := $(ARCH)
+endif
 checkstack:
 	$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
-	$(PERL) $(src)/scripts/checkstack.pl $(ARCH)
+	$(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH)
 
 kernelrelease:
 	$(if $(wildcard include/config/kernel.release), $(Q)echo $(KERNELRELEASE), \
@@ -1476,6 +1485,8 @@ endif	# skip-makefile
 PHONY += FORCE
 FORCE:
 
+# Cancel implicit rules on top Makefile, `-rR' will apply to sub-makes.
+Makefile: ;
 
 # Declare the contents of the .PHONY variable as phony.  We keep that
 # information in a variable se we can use it in if_changed and friends.