Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild

# Generated include files

#

include/asm

include/asm-*/asm-offsets.h

include/config

include/linux/autoconf.h

include/linux/compile.h

What is covered within this file is mainly information to authors

of modules. The author of an external modules should supply

a makefile that hides most of the complexity so one only has to type

'make' to buld the module. A complete example will be present in

'make' to build the module. A complete example will be present in

chapter ¤. Creating a kbuild file for an external module".

--- 2.2 Available targets

	$KDIR refers to path to kernel source top-level directory

	$KDIR refers to the path to the kernel source top-level directory

	make -C $KDIR M=`pwd`

		Will build the module(s) located in current directory.

	make -C $KDIR M=$PWD modules_install

		Install the external module(s).

		Installation default is in /lib/modules/<kernel-version>/extra,

		but may be prefixed with INSTALL_MOD_PATH - see separate chater.

		but may be prefixed with INSTALL_MOD_PATH - see separate chapter.

	make -C $KDIR M=$PWD clean

		Remove all generated files for the module - the kernel

		source directory is not moddified.

		source directory is not modified.

	make -C $KDIR M=`pwd` help

		help will list the available target when building external

--- 2.3 Available options:

	$KDIR refer to path to kernel src

	$KDIR refers to the path to the kernel source top-level directory

	make -C $KDIR

		Used to specify where to find the kernel source.

		KERNELDIR := /lib/modules/`uname -r`/build

		all::

			$(MAKE) -C $KERNELDIR M=`pwd` $@

			$(MAKE) -C $(KERNELDIR) M=`pwd` $@

		# Module specific targets

		genbin:

			echo "X" > 8123_bini.o_shipped

			echo "X" > 8123_bin.o_shipped

		endif

		EXTRA_CFLAGS := -Iinclude

		8123-y := 8123_if.o 8123_pci.o 8123_bin.o

	Note that in the assingment there is no space between -I and the path.

	This is a kbuild limitation and no space must be present.

	Note that in the assignment there is no space between -I and the path.

	This is a kbuild limitation:  there must be no space present.

=== 6. Module installation

Modules which are included in the kernel is installed in the directory:

Modules which are included in the kernel are installed in the directory:

	/lib/modules/$(KERNELRELEASE)/kernel

=== 7. Module versioning

Module versioning are enabled by the CONFIG_MODVERSIONS tag.

Module versioning is enabled by the CONFIG_MODVERSIONS tag.

Module versioning is used as a simple ABI consistency check. The Module

versioning creates a CRC value of the full prototype for an exported symbol and

cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \

             > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)

# For backward compatibility

check_gcc = $(warning check_gcc is deprecated - use cc-option) \

            $(call cc-option, $(1),$(2))

# cc-option-yn

# Usage: flag := $(call cc-option-yn, -march=winchip-c6)

cc-option-yn = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \

# Read in dependencies to all Kconfig* files, make sure to run

# oldconfig if changes are detected.

-include .config.cmd

-include .kconfig.d

include .config

# If .config needs to be updated, it will be done via the dependency

# that autoconf has on .config.

# To avoid any implicit rule to kick in, define an empty command

.config: ;

.config .kconfig.d: ;

# If .config is newer than include/linux/autoconf.h, someone tinkered

# with it and forgot to run make oldconfig

include/linux/autoconf.h: .config

# with it and forgot to run make oldconfig.

# If kconfig.d is missing then we are probarly in a cleaned tree so

# we execute the config step to be sure to catch updated Kconfig files

include/linux/autoconf.h: .kconfig.d .config

	$(Q)mkdir -p include/linux

	$(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig

else

	@echo  '  all		  - Build all targets marked with [*]'

	@echo  '* vmlinux	  - Build the bare kernel'

	@echo  '* modules	  - Build all modules'

	@echo  '  modules_install - Install all modules'

	@echo  '  modules_install - Install all modules to INSTALL_MOD_PATH (default: /)'

	@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'

quiet_cmd_TAGS = MAKE   $@

define cmd_TAGS

	rm -f $@; \

	ETAGSF=`etags --version | grep -i exuberant >/dev/null && echo "-I __initdata,__exitdata,EXPORT_SYMBOL,EXPORT_SYMBOL_GPL --extra=+f"`; \

	ETAGSF=`etags --version | grep -i exuberant >/dev/null &&     \

                echo "-I __initdata,__exitdata,__acquires,__releases  \

                      -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL              \

                      --extra=+f --c-kinds=+px"`;                     \

                $(all-sources) | xargs etags $$ETAGSF -a

endef

quiet_cmd_tags = MAKE   $@

define cmd_tags

	rm -f $@; \

	CTAGSF=`ctags --version | grep -i exuberant >/dev/null && echo "-I __initdata,__exitdata,EXPORT_SYMBOL,EXPORT_SYMBOL_GPL --extra=+f"`; \

	CTAGSF=`ctags --version | grep -i exuberant >/dev/null &&     \

                echo "-I __initdata,__exitdata,__acquires,__releases  \

                      -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL              \

                      --extra=+f --c-kinds=+px"`;                     \

                $(all-sources) | xargs ctags $$CTAGSF -a

endef

bootsect

bzImage

setup

build