V4L/DVB (11380): v4l2-subdev: change s_routing prototype
[linux-2.6.git] / Makefile
index 1d03c16..c6307b6 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 VERSION = 2
 PATCHLEVEL = 6
-SUBLEVEL = 27
-EXTRAVERSION = -rc8
-NAME = Rotary Wombat
+SUBLEVEL = 29
+EXTRAVERSION =
+NAME = Temporary Tasmanian Devil
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
@@ -205,11 +205,16 @@ ifeq ($(ARCH),x86_64)
         SRCARCH := x86
 endif
 
-# Where to locate arch specific headers
+# Additional ARCH settings for sparc
 ifeq ($(ARCH),sparc64)
-       hdr-arch  := sparc
-else
-       hdr-arch  := $(SRCARCH)
+       SRCARCH := sparc
+endif
+
+# Where to locate arch specific headers
+hdr-arch  := $(SRCARCH)
+
+ifeq ($(ARCH),m68knommu)
+       hdr-arch  := m68k
 endif
 
 KCONFIG_CONFIG ?= .config
@@ -320,7 +325,8 @@ KALLSYMS    = scripts/kallsyms
 PERL           = perl
 CHECK          = sparse
 
-CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise $(CF)
+CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
+                 -Wbitwise -Wno-return-void $(CF)
 MODFLAGS       = -DMODULE
 CFLAGS_MODULE   = $(MODFLAGS)
 AFLAGS_MODULE   = $(MODFLAGS)
@@ -336,7 +342,7 @@ LINUXINCLUDE    := -Iinclude \
                    -I$(srctree)/arch/$(hdr-arch)/include               \
                    -include include/linux/autoconf.h
 
-KBUILD_CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE)
+KBUILD_CPPFLAGS := -D__KERNEL__
 
 KBUILD_CFLAGS   := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
                   -fno-strict-aliasing -fno-common \
@@ -383,6 +389,7 @@ PHONY += outputmakefile
 # output directory.
 outputmakefile:
 ifneq ($(KBUILD_SRC),)
+       $(Q)ln -fsn $(srctree) source
        $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
            $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
 endif
@@ -437,9 +444,13 @@ ifeq ($(config-targets),1)
 # KBUILD_DEFCONFIG may point out an alternative default configuration
 # used for 'make defconfig'
 include $(srctree)/arch/$(SRCARCH)/Makefile
-export KBUILD_DEFCONFIG
+export KBUILD_DEFCONFIG KBUILD_KCONFIG
 
-config %config: scripts_basic outputmakefile FORCE
+config: scripts_basic outputmakefile FORCE
+       $(Q)mkdir -p include/linux include/config
+       $(Q)$(MAKE) $(build)=scripts/kconfig $@
+
+%config: scripts_basic outputmakefile FORCE
        $(Q)mkdir -p include/linux include/config
        $(Q)$(MAKE) $(build)=scripts/kconfig $@
 
@@ -522,8 +533,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN})
 endif
 
 # Force gcc to behave correct even for buggy distributions
-# Arch Makefiles may override this setting
+ifndef CONFIG_CC_STACKPROTECTOR
 KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector)
+endif
 
 ifdef CONFIG_FRAME_POINTER
 KBUILD_CFLAGS  += -fno-omit-frame-pointer -fno-optimize-sibling-calls
@@ -536,7 +548,7 @@ KBUILD_CFLAGS       += -g
 KBUILD_AFLAGS  += -gdwarf-2
 endif
 
-ifdef CONFIG_FTRACE
+ifdef CONFIG_FUNCTION_TRACER
 KBUILD_CFLAGS  += -pg
 endif
 
@@ -555,6 +567,12 @@ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
 # disable pointer signed / unsigned warnings in gcc 4.0
 KBUILD_CFLAGS += $(call cc-option,-Wno-pointer-sign,)
 
+# disable invalid "can't wrap" optimzations for signed / pointers
+KBUILD_CFLAGS  += $(call cc-option,-fwrapv)
+
+# revert to pre-gcc-4.4 behaviour of .eh_frame
+KBUILD_CFLAGS  += $(call cc-option,-fno-dwarf2-cfi-asm)
+
 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
 # But warn user when we do so
 warn-assign = \
@@ -893,12 +911,18 @@ localver = $(subst $(space),, $(string) \
 # and if the SCM is know a tag from the SCM is appended.
 # The appended tag is determined by the SCM used.
 #
-# Currently, only git is supported.
-# Other SCMs can edit scripts/setlocalversion and add the appropriate
-# checks as needed.
+# .scmversion is used when generating rpm packages so we do not loose
+# the version information from the SCM when we do the build of the kernel
+# from the copied source
 ifdef CONFIG_LOCALVERSION_AUTO
-       _localver-auto = $(shell $(CONFIG_SHELL) \
-                         $(srctree)/scripts/setlocalversion $(srctree))
+
+ifeq ($(wildcard .scmversion),)
+        _localver-auto = $(shell $(CONFIG_SHELL) \
+                         $(srctree)/scripts/setlocalversion $(srctree))
+else
+        _localver-auto = $(shell cat .scmversion 2> /dev/null)
+endif
+
        localver-auto  = $(LOCALVERSION)$(_localver-auto)
 endif
 
@@ -926,7 +950,7 @@ PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
 # 2) Create the include2 directory, used for the second asm symlink
 prepare3: include/config/kernel.release
 ifneq ($(KBUILD_SRC),)
-       @echo '  Using $(srctree) as source for kernel'
+       @$(kecho) '  Using $(srctree) as source for kernel'
        $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
                echo "  $(srctree) is not clean, please run 'make mrproper'";\
                echo "  in the '$(srctree)' directory.";\
@@ -961,6 +985,7 @@ export CPPFLAGS_vmlinux.lds += -P -C -U$(ARCH)
 
 # The asm symlink changes when $(ARCH) changes.
 # Detect this and ask user to run make mrproper
+# If asm is a stale symlink (point to dir that does not exist) remove it
 define check-symlink
        set -e;                                                            \
        if [ -L include/asm ]; then                                        \
@@ -970,15 +995,19 @@ define check-symlink
                        echo "       set ARCH or save .config and run 'make mrproper' to fix it";             \
                        exit 1;                                            \
                fi;                                                        \
+               test -e $$asmlink || rm include/asm;                       \
+       elif [ -d include/asm ]; then                                      \
+               echo "ERROR: $@ is a directory but a symlink was expected";\
+               exit 1;                                                    \
        fi
 endef
 
 # We create the target directory of the symlink if it does
-# not exist so the test in chack-symlink works and we have a
+# not exist so the test in check-symlink works and we have a
 # directory for generated filesas used by some architectures.
 define create-symlink
        if [ ! -L include/asm ]; then                                      \
-                       echo '  SYMLINK $@ -> include/asm-$(SRCARCH)';     \
+                       $(kecho) '  SYMLINK $@ -> include/asm-$(SRCARCH)'; \
                        if [ ! -d include/asm-$(SRCARCH) ]; then           \
                                mkdir -p include/asm-$(SRCARCH);           \
                        fi;                                                \
@@ -1017,6 +1046,10 @@ include/linux/version.h: $(srctree)/Makefile FORCE
 include/linux/utsrelease.h: include/config/kernel.release FORCE
        $(call filechk,utsrelease.h)
 
+PHONY += headerdep
+headerdep:
+       $(Q)find include/ -name '*.h' | xargs --max-args 1 scripts/headerdep.pl
+
 # ---------------------------------------------------------------------------
 
 PHONY += depend dep
@@ -1091,7 +1124,7 @@ all: modules
 PHONY += modules
 modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux)
        $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order
-       @echo '  Building modules, stage 2.';
+       @$(kecho) '  Building modules, stage 2.';
        $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
        $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modbuild
 
@@ -1265,7 +1298,8 @@ help:
        @echo  '  versioncheck    - Sanity check on version.h usage'
        @echo  '  includecheck    - Check for duplicate included header files'
        @echo  '  export_report   - List the usages of all exported symbols'
-       @echo  '  headers_check   - Sanity check on exported headers'; \
+       @echo  '  headers_check   - Sanity check on exported headers'
+       @echo  '  headerdep       - Detect inclusion cycles in headers'; \
         echo  ''
        @echo  'Kernel packaging:'
        @$(MAKE) $(build)=$(package-dir) help
@@ -1355,7 +1389,7 @@ $(module-dirs): crmodverdir $(objtree)/Module.symvers
        $(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@)
 
 modules: $(module-dirs)
-       @echo '  Building modules, stage 2.';
+       @$(kecho) '  Building modules, stage 2.';
        $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
 
 PHONY += modules_install
@@ -1404,122 +1438,12 @@ endif # KBUILD_EXTMOD
 
 # Generate tags for editors
 # ---------------------------------------------------------------------------
+quiet_cmd_tags = GEN     $@
+      cmd_tags = $(CONFIG_SHELL) $(srctree)/scripts/tags.sh $@
 
-#We want __srctree to totally vanish out when KBUILD_OUTPUT is not set
-#(which is the most common case IMHO) to avoid unneeded clutter in the big tags file.
-#Adding $(srctree) adds about 20M on i386 to the size of the output file!
-
-ifeq ($(src),$(obj))
-__srctree =
-else
-__srctree = $(srctree)/
-endif
-
-ifeq ($(ALLSOURCE_ARCHS),)
-ifeq ($(ARCH),um)
-ALLINCLUDE_ARCHS := $(ARCH) $(SUBARCH)
-else
-ALLINCLUDE_ARCHS := $(SRCARCH)
-endif
-else
-#Allow user to specify only ALLSOURCE_PATHS on the command line, keeping existing behaviour.
-ALLINCLUDE_ARCHS := $(ALLSOURCE_ARCHS)
-endif
-
-ALLSOURCE_ARCHS := $(SRCARCH)
-
-define find-sources
-        ( for arch in $(ALLSOURCE_ARCHS) ; do \
-              find $(__srctree)arch/$${arch} $(RCS_FIND_IGNORE) \
-                   -name $1 -print; \
-         done ; \
-         find $(__srctree)security/selinux/include $(RCS_FIND_IGNORE) \
-              -name $1 -print; \
-         find $(__srctree)include $(RCS_FIND_IGNORE) \
-              \( -name config -o -name 'asm-*' \) -prune \
-              -o -name $1 -print; \
-         for arch in $(ALLINCLUDE_ARCHS) ; do \
-              test -e $(__srctree)include/asm-$${arch} && \
-                 find $(__srctree)include/asm-$${arch} $(RCS_FIND_IGNORE) \
-                   -name $1 -print; \
-              test -e $(__srctree)arch/$${arch}/include/asm && \
-                find $(__srctree)arch/$${arch}/include/asm $(RCS_FIND_IGNORE) \
-                   -name $1 -print; \
-         done ; \
-         find $(__srctree)include/asm-generic $(RCS_FIND_IGNORE) \
-              -name $1 -print; \
-         find $(__srctree) $(RCS_FIND_IGNORE) \
-              \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \
-              -name $1 -print; \
-         )
-endef
-
-define all-sources
-       $(call find-sources,'*.[chS]')
-endef
-define all-kconfigs
-       $(call find-sources,'Kconfig*')
-endef
-define all-defconfigs
-       $(call find-sources,'defconfig')
-endef
-
-define xtags
-       if $1 --version 2>&1 | grep -iq exuberant; then \
-           $(all-sources) | xargs $1 -a \
-               -I __initdata,__exitdata,__acquires,__releases \
-               -I __read_mostly,____cacheline_aligned,____cacheline_aligned_in_smp,____cacheline_internodealigned_in_smp \
-               -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
-               --extra=+f --c-kinds=+px \
-               --regex-asm='/^ENTRY\(([^)]*)\).*/\1/'; \
-           $(all-kconfigs) | xargs $1 -a \
-               --langdef=kconfig \
-               --language-force=kconfig \
-               --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/'; \
-           $(all-defconfigs) | xargs -r $1 -a \
-               --langdef=dotconfig \
-               --language-force=dotconfig \
-               --regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/'; \
-       elif $1 --version 2>&1 | grep -iq emacs; then \
-           $(all-sources) | xargs $1 -a; \
-           $(all-kconfigs) | xargs $1 -a \
-               --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'; \
-           $(all-defconfigs) | xargs -r $1 -a \
-               --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/'; \
-       else \
-           $(all-sources) | xargs $1 -a; \
-       fi
-endef
-
-quiet_cmd_cscope-file = FILELST cscope.files
-      cmd_cscope-file = (echo \-k; echo \-q; $(all-sources)) > cscope.files
-
-quiet_cmd_cscope = MAKE    cscope.out
-      cmd_cscope = cscope -b -f cscope.out
-
-cscope: FORCE
-       $(call cmd,cscope-file)
-       $(call cmd,cscope)
-
-quiet_cmd_TAGS = MAKE   $@
-define cmd_TAGS
-       rm -f $@; \
-       $(call xtags,etags)
-endef
-
-TAGS: FORCE
-       $(call cmd,TAGS)
-
-quiet_cmd_tags = MAKE   $@
-define cmd_tags
-       rm -f $@; \
-       $(call xtags,ctags)
-endef
-
-tags: FORCE
+tags TAGS cscope: FORCE
        $(call cmd,tags)
 
-
 # Scripts to check various things for consistency
 # ---------------------------------------------------------------------------
 
@@ -1598,7 +1522,11 @@ endif
        $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
 
 # Modules
-/ %/: prepare scripts FORCE
+/: prepare scripts FORCE
+       $(cmd_crmodverdir)
+       $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
+       $(build)=$(build-dir)
+%/: prepare scripts FORCE
        $(cmd_crmodverdir)
        $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
        $(build)=$(build-dir)
@@ -1622,7 +1550,7 @@ quiet_cmd_depmod = DEPMOD  $(KERNELRELEASE)
       cmd_depmod = \
        if [ -r System.map -a -x $(DEPMOD) ]; then                              \
                $(DEPMOD) -ae -F System.map                                     \
-               $(if $(strip $(INSTALL_MOD_PATH)), -b $(INSTALL_MOD_PATH) -r)   \
+               $(if $(strip $(INSTALL_MOD_PATH)), -b $(INSTALL_MOD_PATH) )     \
                $(KERNELRELEASE);                                               \
        fi
 
@@ -1632,7 +1560,7 @@ cmd_crmodverdir = $(Q)mkdir -p $(MODVERDIR) \
                   $(if $(KBUILD_MODULES),; rm -f $(MODVERDIR)/*)
 
 a_flags = -Wp,-MD,$(depfile) $(KBUILD_AFLAGS) $(AFLAGS_KERNEL) \
-         $(NOSTDINC_FLAGS) $(KBUILD_CPPFLAGS) \
+         $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(KBUILD_CPPFLAGS) \
          $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(basetarget).o)
 
 quiet_cmd_as_o_S = AS      $@