VERSION = 2
PATCHLEVEL = 6
-SUBLEVEL = 26
-EXTRAVERSION = -rc9
-NAME = Rotary Wombat
+SUBLEVEL = 29
+EXTRAVERSION =
+NAME = Temporary Tasmanian Devil
# *DOCUMENTATION*
# To see a list of typical targets execute "make help"
SRCARCH := x86
endif
+# Additional ARCH settings for sparc
+ifeq ($(ARCH),sparc64)
+ SRCARCH := sparc
+endif
+
+# Where to locate arch specific headers
+hdr-arch := $(SRCARCH)
+
+ifeq ($(ARCH),m68knommu)
+ hdr-arch := m68k
+endif
+
KCONFIG_CONFIG ?= .config
# SHELL used by kbuild
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)
# Needed to be compatible with the O= option
LINUXINCLUDE := -Iinclude \
$(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) \
- -include include/linux/autoconf.h
+ -I$(srctree)/arch/$(hdr-arch)/include \
+ -include include/linux/autoconf.h
-KBUILD_CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE)
+KBUILD_CPPFLAGS := -D__KERNEL__
KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
-fno-strict-aliasing -fno-common \
# output directory.
outputmakefile:
ifneq ($(KBUILD_SRC),)
+ $(Q)ln -fsn $(srctree) source
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
$(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
endif
# 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 $@
# Objects we will link into vmlinux / subdirs we need to visit
init-y := init/
-drivers-y := drivers/ sound/
+drivers-y := drivers/ sound/ firmware/
net-y := net/
libs-y := lib/
core-y := usr/
KBUILD_CFLAGS += -O2
endif
+include $(srctree)/arch/$(SRCARCH)/Makefile
+
ifneq (CONFIG_FRAME_WARN,0)
KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN})
endif
# Arch Makefiles may override this setting
KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector)
-include $(srctree)/arch/$(SRCARCH)/Makefile
-
ifdef CONFIG_FRAME_POINTER
KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
else
KBUILD_AFLAGS += -gdwarf-2
endif
-ifdef CONFIG_FTRACE
+ifdef CONFIG_FUNCTION_TRACER
KBUILD_CFLAGS += -pg
endif
# 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 = \
endif
ifdef CONFIG_SAMPLES
$(Q)$(MAKE) $(build)=samples
+endif
+ifdef CONFIG_BUILD_DOCSRC
+ $(Q)$(MAKE) $(build)=Documentation
endif
$(call vmlinux-modpost)
$(call if_changed_rule,vmlinux__)
# 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
# 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.";\
/bin/false; \
fi;
- $(Q)if [ ! -d include2 ]; then mkdir -p include2; fi;
- $(Q)ln -fsn $(srctree)/include/asm-$(SRCARCH) include2/asm
+ $(Q)if [ ! -d include2 ]; then \
+ mkdir -p include2; \
+ ln -fsn $(srctree)/include/asm-$(SRCARCH) include2/asm; \
+ fi
endif
# prepare2 creates a makefile if using a separate output directory
# The asm symlink changes when $(ARCH) changes.
# Detect this and ask user to run make mrproper
-
-include/asm: FORCE
- $(Q)set -e; asmlink=`readlink include/asm | cut -d '-' -f 2`; \
- if [ -L include/asm ]; then \
- if [ "$$asmlink" != "$(SRCARCH)" ]; then \
+# If asm is a stale symlink (point to dir that does not exist) remove it
+define check-symlink
+ set -e; \
+ if [ -L include/asm ]; then \
+ asmlink=`readlink include/asm | cut -d '-' -f 2`; \
+ if [ "$$asmlink" != "$(SRCARCH)" ]; then \
echo "ERROR: the symlink $@ points to asm-$$asmlink but asm-$(SRCARCH) was expected"; \
echo " set ARCH or save .config and run 'make mrproper' to fix it"; \
- exit 1; \
- fi; \
- else \
- echo ' SYMLINK $@ -> include/asm-$(SRCARCH)'; \
- if [ ! -d include ]; then \
- mkdir -p include; \
- fi; \
- ln -fsn asm-$(SRCARCH) $@; \
+ exit 1; \
+ fi; \
+ test -e $$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 check-symlink works and we have a
+# directory for generated filesas used by some architectures.
+define create-symlink
+ if [ ! -L include/asm ]; then \
+ $(kecho) ' SYMLINK $@ -> include/asm-$(SRCARCH)'; \
+ if [ ! -d include/asm-$(SRCARCH) ]; then \
+ mkdir -p include/asm-$(SRCARCH); \
+ fi; \
+ ln -fsn asm-$(SRCARCH) $@; \
+ fi
+endef
+
+include/asm: FORCE
+ $(Q)$(check-symlink)
+ $(Q)$(create-symlink)
# Generate some files
# ---------------------------------------------------------------------------
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
depend dep:
@echo '*** Warning: make $@ is unnecessary now.'
+# ---------------------------------------------------------------------------
+# Firmware install
+INSTALL_FW_PATH=$(INSTALL_MOD_PATH)/lib/firmware
+export INSTALL_FW_PATH
+
+PHONY += firmware_install
+firmware_install: FORCE
+ @mkdir -p $(objtree)/firmware
+ $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_install
+
# ---------------------------------------------------------------------------
# Kernel headers
-INSTALL_HDR_PATH=$(objtree)/usr
-export INSTALL_HDR_PATH
-HDRFILTER=generic i386 x86_64
-HDRARCHES=$(filter-out $(HDRFILTER),$(patsubst $(srctree)/include/asm-%/Kbuild,%,$(wildcard $(srctree)/include/asm-*/Kbuild)))
+#Default location for installed headers
+export INSTALL_HDR_PATH = $(objtree)/usr
-PHONY += headers_install_all
-headers_install_all: include/linux/version.h scripts_basic FORCE
+hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj
+# Find out where the Kbuild file is located to support
+# arch/$(ARCH)/include/asm
+hdr-dir = $(strip \
+ $(if $(wildcard $(srctree)/arch/$(hdr-arch)/include/asm/Kbuild), \
+ arch/$(hdr-arch)/include/asm, include/asm-$(hdr-arch)))
+
+# If we do an all arch process set dst to asm-$(hdr-arch)
+hdr-dst = $(if $(KBUILD_HEADERS), dst=include/asm-$(hdr-arch), dst=include/asm)
+
+PHONY += __headers
+__headers: include/linux/version.h scripts_basic FORCE
$(Q)$(MAKE) $(build)=scripts scripts/unifdef
- $(Q)for arch in $(HDRARCHES); do \
- $(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch ;\
- done
+
+PHONY += headers_install_all
+headers_install_all:
+ $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh install
PHONY += headers_install
-headers_install: include/linux/version.h scripts_basic FORCE
- @if [ ! -r $(srctree)/include/asm-$(SRCARCH)/Kbuild ]; then \
- echo '*** Error: Headers not exportable for this architecture ($(SRCARCH))'; \
- exit 1 ; fi
- $(Q)$(MAKE) $(build)=scripts scripts/unifdef
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst ARCH=$(SRCARCH) obj=include
+headers_install: __headers
+ $(if $(wildcard $(srctree)/$(hdr-dir)/Kbuild),, \
+ $(error Headers not exportable for the $(SRCARCH) architecture))
+ $(Q)$(MAKE) $(hdr-inst)=include
+ $(Q)$(MAKE) $(hdr-inst)=$(hdr-dir) $(hdr-dst)
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
+ $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh check
PHONY += headers_check
headers_check: headers_install
- $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst ARCH=$(SRCARCH) obj=include HDRCHECK=1
+ $(Q)$(MAKE) $(hdr-inst)=include HDRCHECK=1
+ $(Q)$(MAKE) $(hdr-inst)=$(hdr-dir) $(hdr-dst) HDRCHECK=1
# ---------------------------------------------------------------------------
# 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
# Target to prepare building external modules
# boot script depmod is the master version.
PHONY += _modinst_post
_modinst_post: _modinst_
+ $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modinst
$(call cmd,depmod)
else # CONFIG_MODULES
include/linux/autoconf.h include/linux/version.h \
include/linux/utsrelease.h \
include/linux/bounds.h include/asm*/asm-offsets.h \
- Module.symvers tags TAGS cscope*
+ Module.symvers Module.markers tags TAGS cscope*
# clean - Delete most, but leave enough to build external modules
#
clean: rm-dirs := $(CLEAN_DIRS)
clean: rm-files := $(CLEAN_FILES)
-clean-dirs := $(addprefix _clean_,$(srctree) $(vmlinux-alldirs))
+clean-dirs := $(addprefix _clean_,$(srctree) $(vmlinux-alldirs) Documentation)
PHONY += $(clean-dirs) clean archclean
$(clean-dirs):
@find . $(RCS_FIND_IGNORE) \
\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
- -o -name '*.symtypes' -o -name 'modules.order' \) \
+ -o -name '*.symtypes' -o -name 'modules.order' \
+ -o -name 'Module.markers' -o -name '.tmp_*.o.*' \) \
-type f -print | xargs rm -f
# mrproper - Delete all generated files, including .config
@echo '* vmlinux - Build the bare kernel'
@echo '* modules - Build all modules'
@echo ' modules_install - Install all modules to INSTALL_MOD_PATH (default: /)'
+ @echo ' firmware_install- Install all firmware to INSTALL_FW_PATH'
+ @echo ' (default: $$(INSTALL_MOD_PATH)/lib/firmware)'
@echo ' dir/ - Build all files in dir and below'
@echo ' dir/file.[ois] - Build specified target only'
@echo ' dir/file.ko - Build module including final link'
@echo ' cscope - Generate cscope index'
@echo ' kernelrelease - Output the release version string'
@echo ' kernelversion - Output the version stored in Makefile'
- @if [ -r $(srctree)/include/asm-$(SRCARCH)/Kbuild ]; then \
- echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \
+ @echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \
echo ' (default: $(INSTALL_HDR_PATH))'; \
- fi
- @echo ''
+ echo ''
@echo 'Static analysers'
@echo ' checkstack - Generate a list of stack hogs'
@echo ' namespacecheck - Name space analysis on compiled kernel'
@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'
- @if [ -r $(srctree)/include/asm-$(SRCARCH)/Kbuild ]; then \
- echo ' headers_check - Sanity check on exported headers'; \
- fi
- @echo ''
+ @echo ' headers_check - Sanity check on exported headers'
+ @echo ' headerdep - Detect inclusion cycles in headers'; \
+ echo ''
@echo 'Kernel packaging:'
@$(MAKE) $(build)=$(package-dir) help
@echo ''
$(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
# 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 \
- find $(__srctree)include/asm-$${arch} $(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
-
-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
# ---------------------------------------------------------------------------
$(Q)$(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)
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
$(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 $@
Code Review / linux-2.6.git / blobdiff