Eric Lee / smarc-ti-linux-kernel

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VERSION = 3

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VERSION = 3

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PATCHLEVEL = 17

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PATCHLEVEL = 17

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SUBLEVEL = 0

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SUBLEVEL = 0

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EXTRAVERSION = -rc6

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EXTRAVERSION = -rc7

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NAME = Shuffling Zombie Juror

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NAME = Shuffling Zombie Juror

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# *DOCUMENTATION*

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# *DOCUMENTATION*

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# To see a list of typical targets execute "make help"

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# To see a list of typical targets execute "make help"

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# More info can be located in ./README

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# More info can be located in ./README

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# Comments in this file are targeted only to the developer, do not

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# Comments in this file are targeted only to the developer, do not

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# expect to learn how to build the kernel reading this file.

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# expect to learn how to build the kernel reading this file.

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# Do not:

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# Do not:

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# o use make's built-in rules and variables

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# o use make's built-in rules and variables

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# (this increases performance and avoids hard-to-debug behaviour);

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# (this increases performance and avoids hard-to-debug behaviour);

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# o print "Entering directory ...";

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# o print "Entering directory ...";

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MAKEFLAGS += -rR --no-print-directory

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MAKEFLAGS += -rR --no-print-directory

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# Avoid funny character set dependencies

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# Avoid funny character set dependencies

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unexport LC_ALL

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unexport LC_ALL

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LC_COLLATE=C

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LC_COLLATE=C

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LC_NUMERIC=C

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LC_NUMERIC=C

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export LC_COLLATE LC_NUMERIC

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export LC_COLLATE LC_NUMERIC

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# Avoid interference with shell env settings

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# Avoid interference with shell env settings

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unexport GREP_OPTIONS

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unexport GREP_OPTIONS

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# We are using a recursive build, so we need to do a little thinking

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# We are using a recursive build, so we need to do a little thinking

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# to get the ordering right.

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# to get the ordering right.

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#

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#

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# Most importantly: sub-Makefiles should only ever modify files in

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# Most importantly: sub-Makefiles should only ever modify files in

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# their own directory. If in some directory we have a dependency on

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# their own directory. If in some directory we have a dependency on

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# a file in another dir (which doesn't happen often, but it's often

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# a file in another dir (which doesn't happen often, but it's often

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# unavoidable when linking the built-in.o targets which finally

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# unavoidable when linking the built-in.o targets which finally

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# turn into vmlinux), we will call a sub make in that other dir, and

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# turn into vmlinux), we will call a sub make in that other dir, and

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# after that we are sure that everything which is in that other dir

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# after that we are sure that everything which is in that other dir

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# is now up to date.

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# is now up to date.

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#

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#

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# The only cases where we need to modify files which have global

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# The only cases where we need to modify files which have global

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# effects are thus separated out and done before the recursive

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# effects are thus separated out and done before the recursive

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# descending is started. They are now explicitly listed as the

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# descending is started. They are now explicitly listed as the

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# prepare rule.

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# prepare rule.

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# Beautify output

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# Beautify output

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# ---------------------------------------------------------------------------

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# ---------------------------------------------------------------------------

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#

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#

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# Normally, we echo the whole command before executing it. By making

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# Normally, we echo the whole command before executing it. By making

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# that echo $($(quiet)$(cmd)), we now have the possibility to set

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# that echo $($(quiet)$(cmd)), we now have the possibility to set

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# $(quiet) to choose other forms of output instead, e.g.

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# $(quiet) to choose other forms of output instead, e.g.

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#

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#

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# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@

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# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@

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# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<

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# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<

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#

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#

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# If $(quiet) is empty, the whole command will be printed.

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# If $(quiet) is empty, the whole command will be printed.

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# If it is set to "quiet_", only the short version will be printed.

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# If it is set to "quiet_", only the short version will be printed.

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# If it is set to "silent_", nothing will be printed at all, since

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# If it is set to "silent_", nothing will be printed at all, since

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# the variable $(silent_cmd_cc_o_c) doesn't exist.

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# the variable $(silent_cmd_cc_o_c) doesn't exist.

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#

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#

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# A simple variant is to prefix commands with $(Q) - that's useful

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# A simple variant is to prefix commands with $(Q) - that's useful

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# for commands that shall be hidden in non-verbose mode.

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# for commands that shall be hidden in non-verbose mode.

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#

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#

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# $(Q)ln $@ :<

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# $(Q)ln $@ :<

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#

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#

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# If KBUILD_VERBOSE equals 0 then the above command will be hidden.

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# If KBUILD_VERBOSE equals 0 then the above command will be hidden.

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# If KBUILD_VERBOSE equals 1 then the above command is displayed.

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# If KBUILD_VERBOSE equals 1 then the above command is displayed.

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#

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#

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# To put more focus on warnings, be less verbose as default

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# To put more focus on warnings, be less verbose as default

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# Use 'make V=1' to see the full commands

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# Use 'make V=1' to see the full commands

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ifeq ("$(origin V)", "command line")

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ifeq ("$(origin V)", "command line")

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KBUILD_VERBOSE = $(V)

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KBUILD_VERBOSE = $(V)

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endif

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endif

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ifndef KBUILD_VERBOSE

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ifndef KBUILD_VERBOSE

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KBUILD_VERBOSE = 0

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KBUILD_VERBOSE = 0

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endif

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endif

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ifeq ($(KBUILD_VERBOSE),1)

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ifeq ($(KBUILD_VERBOSE),1)

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quiet =

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quiet =

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Q =

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Q =

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else

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else

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quiet=quiet_

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quiet=quiet_

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Q = @

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Q = @

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endif

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endif

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# If the user is running make -s (silent mode), suppress echoing of

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# If the user is running make -s (silent mode), suppress echoing of

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# commands

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# commands

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ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4

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ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4

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ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),)

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ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),)

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quiet=silent_

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quiet=silent_

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endif

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endif

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else # make-3.8x

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else # make-3.8x

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ifneq ($(filter s% -s%,$(MAKEFLAGS)),)

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ifneq ($(filter s% -s%,$(MAKEFLAGS)),)

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quiet=silent_

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quiet=silent_

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endif

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endif

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endif

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endif

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export quiet Q KBUILD_VERBOSE

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export quiet Q KBUILD_VERBOSE

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# Call a source code checker (by default, "sparse") as part of the

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# Call a source code checker (by default, "sparse") as part of the

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# C compilation.

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# C compilation.

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#

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#

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# Use 'make C=1' to enable checking of only re-compiled files.

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# Use 'make C=1' to enable checking of only re-compiled files.

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# Use 'make C=2' to enable checking of *all* source files, regardless

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# Use 'make C=2' to enable checking of *all* source files, regardless

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# of whether they are re-compiled or not.

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# of whether they are re-compiled or not.

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#

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#

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# See the file "Documentation/sparse.txt" for more details, including

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# See the file "Documentation/sparse.txt" for more details, including

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# where to get the "sparse" utility.

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# where to get the "sparse" utility.

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ifeq ("$(origin C)", "command line")

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ifeq ("$(origin C)", "command line")

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KBUILD_CHECKSRC = $(C)

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KBUILD_CHECKSRC = $(C)

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endif

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endif

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ifndef KBUILD_CHECKSRC

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ifndef KBUILD_CHECKSRC

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KBUILD_CHECKSRC = 0

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KBUILD_CHECKSRC = 0

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endif

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endif

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# Use make M=dir to specify directory of external module to build

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# Use make M=dir to specify directory of external module to build

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# Old syntax make ... SUBDIRS=$PWD is still supported

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# Old syntax make ... SUBDIRS=$PWD is still supported

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# Setting the environment variable KBUILD_EXTMOD take precedence

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# Setting the environment variable KBUILD_EXTMOD take precedence

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ifdef SUBDIRS

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ifdef SUBDIRS

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KBUILD_EXTMOD ?= $(SUBDIRS)

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KBUILD_EXTMOD ?= $(SUBDIRS)

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endif

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endif

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ifeq ("$(origin M)", "command line")

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ifeq ("$(origin M)", "command line")

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KBUILD_EXTMOD := $(M)

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KBUILD_EXTMOD := $(M)

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endif

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endif

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# kbuild supports saving output files in a separate directory.

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# kbuild supports saving output files in a separate directory.

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# To locate output files in a separate directory two syntaxes are supported.

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# To locate output files in a separate directory two syntaxes are supported.

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# In both cases the working directory must be the root of the kernel src.

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# In both cases the working directory must be the root of the kernel src.

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# 1) O=

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# 1) O=

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# Use "make O=dir/to/store/output/files/"

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# Use "make O=dir/to/store/output/files/"

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#

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#

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# 2) Set KBUILD_OUTPUT

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# 2) Set KBUILD_OUTPUT

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# Set the environment variable KBUILD_OUTPUT to point to the directory

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# Set the environment variable KBUILD_OUTPUT to point to the directory

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# where the output files shall be placed.

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# where the output files shall be placed.

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# export KBUILD_OUTPUT=dir/to/store/output/files/

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# export KBUILD_OUTPUT=dir/to/store/output/files/

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# make

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# make

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#

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#

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# The O= assignment takes precedence over the KBUILD_OUTPUT environment

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# The O= assignment takes precedence over the KBUILD_OUTPUT environment

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# variable.

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# variable.

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# KBUILD_SRC is set on invocation of make in OBJ directory

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# KBUILD_SRC is set on invocation of make in OBJ directory

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# KBUILD_SRC is not intended to be used by the regular user (for now)

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# KBUILD_SRC is not intended to be used by the regular user (for now)

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ifeq ($(KBUILD_SRC),)

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ifeq ($(KBUILD_SRC),)

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# OK, Make called in directory where kernel src resides

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# OK, Make called in directory where kernel src resides

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# Do we want to locate output files in a separate directory?

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# Do we want to locate output files in a separate directory?

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ifeq ("$(origin O)", "command line")

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ifeq ("$(origin O)", "command line")

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KBUILD_OUTPUT := $(O)

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KBUILD_OUTPUT := $(O)

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endif

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endif

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# That's our default target when none is given on the command line

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# That's our default target when none is given on the command line

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PHONY := _all

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PHONY := _all

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_all:

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_all:

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# Cancel implicit rules on top Makefile

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# Cancel implicit rules on top Makefile

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$(CURDIR)/Makefile Makefile: ;

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$(CURDIR)/Makefile Makefile: ;

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ifneq ($(KBUILD_OUTPUT),)

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ifneq ($(KBUILD_OUTPUT),)

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# Invoke a second make in the output directory, passing relevant variables

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# Invoke a second make in the output directory, passing relevant variables

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# check that the output directory actually exists

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# check that the output directory actually exists

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saved-output := $(KBUILD_OUTPUT)

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saved-output := $(KBUILD_OUTPUT)

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KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \

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KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \

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&& /bin/pwd)

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&& /bin/pwd)

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$(if $(KBUILD_OUTPUT),, \

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$(if $(KBUILD_OUTPUT),, \

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$(error failed to create output directory "$(saved-output)"))

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$(error failed to create output directory "$(saved-output)"))

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PHONY += $(MAKECMDGOALS) sub-make

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PHONY += $(MAKECMDGOALS) sub-make

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$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make

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$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make

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@:

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@:

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# Fake the "Entering directory" message once, so that IDEs/editors are

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# Fake the "Entering directory" message once, so that IDEs/editors are

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# able to understand relative filenames.

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# able to understand relative filenames.

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echodir := @echo

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echodir := @echo

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quiet_echodir := @echo

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quiet_echodir := @echo

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silent_echodir := @:

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silent_echodir := @:

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sub-make: FORCE

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sub-make: FORCE

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$($(quiet)echodir) "make[1]: Entering directory \`$(KBUILD_OUTPUT)'"

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$($(quiet)echodir) "make[1]: Entering directory \`$(KBUILD_OUTPUT)'"

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$(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \

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$(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \

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KBUILD_SRC=$(CURDIR) \

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KBUILD_SRC=$(CURDIR) \

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KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \

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KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \

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$(filter-out _all sub-make,$(MAKECMDGOALS))

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$(filter-out _all sub-make,$(MAKECMDGOALS))

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# Leave processing to above invocation of make

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# Leave processing to above invocation of make

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skip-makefile := 1

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skip-makefile := 1

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endif # ifneq ($(KBUILD_OUTPUT),)

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endif # ifneq ($(KBUILD_OUTPUT),)

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endif # ifeq ($(KBUILD_SRC),)

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endif # ifeq ($(KBUILD_SRC),)

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# We process the rest of the Makefile if this is the final invocation of make

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# We process the rest of the Makefile if this is the final invocation of make

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ifeq ($(skip-makefile),)

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ifeq ($(skip-makefile),)

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# If building an external module we do not care about the all: rule

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# If building an external module we do not care about the all: rule

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# but instead _all depend on modules

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# but instead _all depend on modules

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PHONY += all

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PHONY += all

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ifeq ($(KBUILD_EXTMOD),)

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ifeq ($(KBUILD_EXTMOD),)

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_all: all

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_all: all

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else

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else

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_all: modules

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_all: modules

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endif

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endif

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ifeq ($(KBUILD_SRC),)

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ifeq ($(KBUILD_SRC),)

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# building in the source tree

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# building in the source tree

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srctree := .

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srctree := .

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else

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else

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ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR)))

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ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR)))

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# building in a subdirectory of the source tree

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# building in a subdirectory of the source tree

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srctree := ..

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srctree := ..

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else

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else

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srctree := $(KBUILD_SRC)

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srctree := $(KBUILD_SRC)

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endif

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endif

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endif

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endif

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objtree := .

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objtree := .

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src := $(srctree)

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src := $(srctree)

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obj := $(objtree)

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obj := $(objtree)

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VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))

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VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))

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export srctree objtree VPATH

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export srctree objtree VPATH

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# SUBARCH tells the usermode build what the underlying arch is. That is set

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# SUBARCH tells the usermode build what the underlying arch is. That is set

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# first, and if a usermode build is happening, the "ARCH=um" on the command

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# first, and if a usermode build is happening, the "ARCH=um" on the command

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# line overrides the setting of ARCH below. If a native build is happening,

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# line overrides the setting of ARCH below. If a native build is happening,

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# then ARCH is assigned, getting whatever value it gets normally, and

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# then ARCH is assigned, getting whatever value it gets normally, and

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# SUBARCH is subsequently ignored.

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# SUBARCH is subsequently ignored.

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SUBARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \

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SUBARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \

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-e s/sun4u/sparc64/ \

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-e s/sun4u/sparc64/ \

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-e s/arm.*/arm/ -e s/sa110/arm/ \

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-e s/arm.*/arm/ -e s/sa110/arm/ \

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-e s/s390x/s390/ -e s/parisc64/parisc/ \

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-e s/s390x/s390/ -e s/parisc64/parisc/ \

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-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \

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-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \

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-e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )

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-e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )

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# Cross compiling and selecting different set of gcc/bin-utils

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# Cross compiling and selecting different set of gcc/bin-utils

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# ---------------------------------------------------------------------------

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# ---------------------------------------------------------------------------

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#

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#

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# When performing cross compilation for other architectures ARCH shall be set

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# When performing cross compilation for other architectures ARCH shall be set

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# to the target architecture. (See arch/* for the possibilities).

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# to the target architecture. (See arch/* for the possibilities).

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# ARCH can be set during invocation of make:

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# ARCH can be set during invocation of make:

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# make ARCH=ia64

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# make ARCH=ia64

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# Another way is to have ARCH set in the environment.

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# Another way is to have ARCH set in the environment.

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# The default ARCH is the host where make is executed.

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# The default ARCH is the host where make is executed.

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# CROSS_COMPILE specify the prefix used for all executables used

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# CROSS_COMPILE specify the prefix used for all executables used

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# during compilation. Only gcc and related bin-utils executables

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# during compilation. Only gcc and related bin-utils executables

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# are prefixed with $(CROSS_COMPILE).

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# are prefixed with $(CROSS_COMPILE).

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# CROSS_COMPILE can be set on the command line

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# CROSS_COMPILE can be set on the command line

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# make CROSS_COMPILE=ia64-linux-

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# make CROSS_COMPILE=ia64-linux-

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# Alternatively CROSS_COMPILE can be set in the environment.

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# Alternatively CROSS_COMPILE can be set in the environment.

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# A third alternative is to store a setting in .config so that plain

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# A third alternative is to store a setting in .config so that plain

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# "make" in the configured kernel build directory always uses that.

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# "make" in the configured kernel build directory always uses that.

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# Default value for CROSS_COMPILE is not to prefix executables

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# Default value for CROSS_COMPILE is not to prefix executables

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# Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile

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# Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile

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ARCH ?= $(SUBARCH)

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ARCH ?= $(SUBARCH)

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CROSS_COMPILE ?= $(CONFIG_CROSS_COMPILE:"%"=%)

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CROSS_COMPILE ?= $(CONFIG_CROSS_COMPILE:"%"=%)

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# Architecture as present in compile.h

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# Architecture as present in compile.h

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UTS_MACHINE := $(ARCH)

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UTS_MACHINE := $(ARCH)

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SRCARCH := $(ARCH)

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SRCARCH := $(ARCH)

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# Additional ARCH settings for x86

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# Additional ARCH settings for x86

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ifeq ($(ARCH),i386)

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ifeq ($(ARCH),i386)

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SRCARCH := x86

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SRCARCH := x86

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endif

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endif

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ifeq ($(ARCH),x86_64)

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ifeq ($(ARCH),x86_64)

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SRCARCH := x86

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SRCARCH := x86

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endif

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endif

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# Additional ARCH settings for sparc

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# Additional ARCH settings for sparc

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ifeq ($(ARCH),sparc32)

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ifeq ($(ARCH),sparc32)

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SRCARCH := sparc

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SRCARCH := sparc

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endif

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endif

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ifeq ($(ARCH),sparc64)

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ifeq ($(ARCH),sparc64)

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SRCARCH := sparc

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SRCARCH := sparc

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endif

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endif

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# Additional ARCH settings for sh

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# Additional ARCH settings for sh

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ifeq ($(ARCH),sh64)

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ifeq ($(ARCH),sh64)

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SRCARCH := sh

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SRCARCH := sh

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endif

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endif

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# Additional ARCH settings for tile

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# Additional ARCH settings for tile

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ifeq ($(ARCH),tilepro)

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ifeq ($(ARCH),tilepro)

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SRCARCH := tile

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SRCARCH := tile

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endif

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endif

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ifeq ($(ARCH),tilegx)

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ifeq ($(ARCH),tilegx)

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SRCARCH := tile

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SRCARCH := tile

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endif

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endif

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# Where to locate arch specific headers

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# Where to locate arch specific headers

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hdr-arch := $(SRCARCH)

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hdr-arch := $(SRCARCH)

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KCONFIG_CONFIG ?= .config

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KCONFIG_CONFIG ?= .config

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export KCONFIG_CONFIG

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export KCONFIG_CONFIG

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# SHELL used by kbuild

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# SHELL used by kbuild

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CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \

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CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \

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else if [ -x /bin/bash ]; then echo /bin/bash; \

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else if [ -x /bin/bash ]; then echo /bin/bash; \

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else echo sh; fi ; fi)

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else echo sh; fi ; fi)

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HOSTCC = gcc

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HOSTCC = gcc

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HOSTCXX = g++

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HOSTCXX = g++

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HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer

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HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer

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HOSTCXXFLAGS = -O2

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HOSTCXXFLAGS = -O2

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ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1)

309

ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1)

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HOSTCFLAGS += -Wno-unused-value -Wno-unused-parameter \

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HOSTCFLAGS += -Wno-unused-value -Wno-unused-parameter \

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-Wno-missing-field-initializers -fno-delete-null-pointer-checks

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-Wno-missing-field-initializers -fno-delete-null-pointer-checks

312

endif

312

endif

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# Decide whether to build built-in, modular, or both.

314

# Decide whether to build built-in, modular, or both.

315

# Normally, just do built-in.

315

# Normally, just do built-in.

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KBUILD_MODULES :=

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KBUILD_MODULES :=

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KBUILD_BUILTIN := 1

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KBUILD_BUILTIN := 1

319

320

# If we have only "make modules", don't compile built-in objects.

320

# If we have only "make modules", don't compile built-in objects.

321

# When we're building modules with modversions, we need to consider

321

# When we're building modules with modversions, we need to consider

322

# the built-in objects during the descend as well, in order to

322

# the built-in objects during the descend as well, in order to

323

# make sure the checksums are up to date before we record them.

323

# make sure the checksums are up to date before we record them.

324

325

ifeq ($(MAKECMDGOALS),modules)

325

ifeq ($(MAKECMDGOALS),modules)

326

KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1)

326

KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1)

327

endif

327

endif

328

329

# If we have "make <whatever> modules", compile modules

329

# If we have "make <whatever> modules", compile modules

330

# in addition to whatever we do anyway.

330

# in addition to whatever we do anyway.

331

# Just "make" or "make all" shall build modules as well

331

# Just "make" or "make all" shall build modules as well

332

333

ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)

333

ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)

334

KBUILD_MODULES := 1

334

KBUILD_MODULES := 1

335

endif

335

endif

336

337

ifeq ($(MAKECMDGOALS),)

337

ifeq ($(MAKECMDGOALS),)

338

KBUILD_MODULES := 1

338

KBUILD_MODULES := 1

339

endif

339

endif

340

341

export KBUILD_MODULES KBUILD_BUILTIN

341

export KBUILD_MODULES KBUILD_BUILTIN

342

export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD

342

export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD

343

344

ifneq ($(CC),)

344

ifneq ($(CC),)

345

ifeq ($(shell $(CC) -v 2>&1 | grep -c "clang version"), 1)

345

ifeq ($(shell $(CC) -v 2>&1 | grep -c "clang version"), 1)

346

COMPILER := clang

346

COMPILER := clang

347

else

347

else

348

COMPILER := gcc

348

COMPILER := gcc

349

endif

349

endif

350

export COMPILER

350

export COMPILER

351

endif

351

endif

352

353

# Look for make include files relative to root of kernel src

353

# Look for make include files relative to root of kernel src

354

MAKEFLAGS += --include-dir=$(srctree)

354

MAKEFLAGS += --include-dir=$(srctree)

355

356

# We need some generic definitions (do not try to remake the file).

356

# We need some generic definitions (do not try to remake the file).

357

$(srctree)/scripts/Kbuild.include: ;

357

$(srctree)/scripts/Kbuild.include: ;

358

include $(srctree)/scripts/Kbuild.include

358

include $(srctree)/scripts/Kbuild.include

359

360

# Make variables (CC, etc...)

360

# Make variables (CC, etc...)

361

AS = $(CROSS_COMPILE)as

361

AS = $(CROSS_COMPILE)as

362

LD = $(CROSS_COMPILE)ld

362

LD = $(CROSS_COMPILE)ld

363

CC = $(CROSS_COMPILE)gcc

363

CC = $(CROSS_COMPILE)gcc

364

CPP = $(CC) -E

364

CPP = $(CC) -E

365

AR = $(CROSS_COMPILE)ar

365

AR = $(CROSS_COMPILE)ar

366

NM = $(CROSS_COMPILE)nm

366

NM = $(CROSS_COMPILE)nm

367

STRIP = $(CROSS_COMPILE)strip

367

STRIP = $(CROSS_COMPILE)strip

368

OBJCOPY = $(CROSS_COMPILE)objcopy

368

OBJCOPY = $(CROSS_COMPILE)objcopy

369

OBJDUMP = $(CROSS_COMPILE)objdump

369

OBJDUMP = $(CROSS_COMPILE)objdump

370

AWK = awk

370

AWK = awk

371

GENKSYMS = scripts/genksyms/genksyms

371

GENKSYMS = scripts/genksyms/genksyms

372

INSTALLKERNEL := installkernel

372

INSTALLKERNEL := installkernel

373

DEPMOD = /sbin/depmod

373

DEPMOD = /sbin/depmod

374

PERL = perl

374

PERL = perl

375

PYTHON = python

375

PYTHON = python

376

CHECK = sparse

376

CHECK = sparse

377

378

CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \

378

CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \

379

-Wbitwise -Wno-return-void $(CF)

379

-Wbitwise -Wno-return-void $(CF)

380

CFLAGS_MODULE =

380

CFLAGS_MODULE =

381

AFLAGS_MODULE =

381

AFLAGS_MODULE =

382

LDFLAGS_MODULE =

382

LDFLAGS_MODULE =

383

CFLAGS_KERNEL =

383

CFLAGS_KERNEL =

384

AFLAGS_KERNEL =

384

AFLAGS_KERNEL =

385

CFLAGS_GCOV = -fprofile-arcs -ftest-coverage

385

CFLAGS_GCOV = -fprofile-arcs -ftest-coverage

386

387

388

# Use USERINCLUDE when you must reference the UAPI directories only.

388

# Use USERINCLUDE when you must reference the UAPI directories only.

389

USERINCLUDE := \

389

USERINCLUDE := \

390

-I$(srctree)/arch/$(hdr-arch)/include/uapi \

390

-I$(srctree)/arch/$(hdr-arch)/include/uapi \

391

-Iarch/$(hdr-arch)/include/generated/uapi \

391

-Iarch/$(hdr-arch)/include/generated/uapi \

392

-I$(srctree)/include/uapi \

392

-I$(srctree)/include/uapi \

393

-Iinclude/generated/uapi \

393

-Iinclude/generated/uapi \

394

-include $(srctree)/include/linux/kconfig.h

394

-include $(srctree)/include/linux/kconfig.h

395

396

# Use LINUXINCLUDE when you must reference the include/ directory.

396

# Use LINUXINCLUDE when you must reference the include/ directory.

397

# Needed to be compatible with the O= option

397

# Needed to be compatible with the O= option

398

LINUXINCLUDE := \

398

LINUXINCLUDE := \

399

-I$(srctree)/arch/$(hdr-arch)/include \

399

-I$(srctree)/arch/$(hdr-arch)/include \

400

-Iarch/$(hdr-arch)/include/generated \

400

-Iarch/$(hdr-arch)/include/generated \

401

$(if $(KBUILD_SRC), -I$(srctree)/include) \

401

$(if $(KBUILD_SRC), -I$(srctree)/include) \

402

-Iinclude \

402

-Iinclude \

403

$(USERINCLUDE)

403

$(USERINCLUDE)

404

405

KBUILD_CPPFLAGS := -D__KERNEL__

405

KBUILD_CPPFLAGS := -D__KERNEL__

406

407

KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \

407

KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \

408

-fno-strict-aliasing -fno-common \

408

-fno-strict-aliasing -fno-common \

409

-Werror-implicit-function-declaration \

409

-Werror-implicit-function-declaration \

410

-Wno-format-security

410

-Wno-format-security

411

412

KBUILD_AFLAGS_KERNEL :=

412

KBUILD_AFLAGS_KERNEL :=

413

KBUILD_CFLAGS_KERNEL :=

413

KBUILD_CFLAGS_KERNEL :=

414

KBUILD_AFLAGS := -D__ASSEMBLY__

414

KBUILD_AFLAGS := -D__ASSEMBLY__

415

KBUILD_AFLAGS_MODULE := -DMODULE

415

KBUILD_AFLAGS_MODULE := -DMODULE

416

KBUILD_CFLAGS_MODULE := -DMODULE

416

KBUILD_CFLAGS_MODULE := -DMODULE

417

KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds

417

KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds

418

419

# Read KERNELRELEASE from include/config/kernel.release (if it exists)

419

# Read KERNELRELEASE from include/config/kernel.release (if it exists)

420

KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)

420

KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)

421

KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)

421

KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)

422

423

export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION

423

export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION

424

export ARCH SRCARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC

424

export ARCH SRCARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC

425

export CPP AR NM STRIP OBJCOPY OBJDUMP

425

export CPP AR NM STRIP OBJCOPY OBJDUMP

426

export MAKE AWK GENKSYMS INSTALLKERNEL PERL PYTHON UTS_MACHINE

426

export MAKE AWK GENKSYMS INSTALLKERNEL PERL PYTHON UTS_MACHINE

427

export HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS

427

export HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS

428

429

export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS

429

export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS

430

export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE CFLAGS_GCOV

430

export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE CFLAGS_GCOV

431

export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE

431

export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE

432

export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE

432

export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE

433

export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL

433

export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL

434

export KBUILD_ARFLAGS

434

export KBUILD_ARFLAGS

435

436

# When compiling out-of-tree modules, put MODVERDIR in the module

436

# When compiling out-of-tree modules, put MODVERDIR in the module

437

# tree rather than in the kernel tree. The kernel tree might

437

# tree rather than in the kernel tree. The kernel tree might

438

# even be read-only.

438

# even be read-only.

439

export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions

439

export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions

440

441

# Files to ignore in find ... statements

441

# Files to ignore in find ... statements

442

443

export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \

443

export RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o \

444

-name CVS -o -name .pc -o -name .hg -o -name .git \) \

444

-name CVS -o -name .pc -o -name .hg -o -name .git \) \

445

-prune -o

445

-prune -o

446

export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \

446

export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \

447

--exclude CVS --exclude .pc --exclude .hg --exclude .git

447

--exclude CVS --exclude .pc --exclude .hg --exclude .git

448

449

# ===========================================================================

449

# ===========================================================================

450

# Rules shared between *config targets and build targets

450

# Rules shared between *config targets and build targets

451

452

# Basic helpers built in scripts/

452

# Basic helpers built in scripts/

453

PHONY += scripts_basic

453

PHONY += scripts_basic

454

scripts_basic:

454

scripts_basic:

455

$(Q)$(MAKE) $(build)=scripts/basic

455

$(Q)$(MAKE) $(build)=scripts/basic

456

$(Q)rm -f .tmp_quiet_recordmcount

456

$(Q)rm -f .tmp_quiet_recordmcount

457

458

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

458

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

459

scripts/basic/%: scripts_basic ;

459

scripts/basic/%: scripts_basic ;

460

461

PHONY += outputmakefile

461

PHONY += outputmakefile

462

# outputmakefile generates a Makefile in the output directory, if using a

462

# outputmakefile generates a Makefile in the output directory, if using a

463

# separate output directory. This allows convenient use of make in the

463

# separate output directory. This allows convenient use of make in the

464

# output directory.

464

# output directory.

465

outputmakefile:

465

outputmakefile:

466

ifneq ($(KBUILD_SRC),)

466

ifneq ($(KBUILD_SRC),)

467

$(Q)ln -fsn $(srctree) source

467

$(Q)ln -fsn $(srctree) source

468

$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \

468

$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \

469

$(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)

469

$(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)

470

endif

470

endif

471

472

# Support for using generic headers in asm-generic

472

# Support for using generic headers in asm-generic

473

PHONY += asm-generic

473

PHONY += asm-generic

474

asm-generic:

474

asm-generic:

475

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \

475

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \

476

src=asm obj=arch/$(SRCARCH)/include/generated/asm

476

src=asm obj=arch/$(SRCARCH)/include/generated/asm

477

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \

477

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \

478

src=uapi/asm obj=arch/$(SRCARCH)/include/generated/uapi/asm

478

src=uapi/asm obj=arch/$(SRCARCH)/include/generated/uapi/asm

479

480

# To make sure we do not include .config for any of the *config targets

480

# To make sure we do not include .config for any of the *config targets

481

# catch them early, and hand them over to scripts/kconfig/Makefile

481

# catch them early, and hand them over to scripts/kconfig/Makefile

482

# It is allowed to specify more targets when calling make, including

482

# It is allowed to specify more targets when calling make, including

483

# mixing *config targets and build targets.

483

# mixing *config targets and build targets.

484

# For example 'make oldconfig all'.

484

# For example 'make oldconfig all'.

485

# Detect when mixed targets is specified, and make a second invocation

485

# Detect when mixed targets is specified, and make a second invocation

486

# of make so .config is not included in this case either (for *config).

486

# of make so .config is not included in this case either (for *config).

487

488

version_h := include/generated/uapi/linux/version.h

488

version_h := include/generated/uapi/linux/version.h

489

490

no-dot-config-targets := clean mrproper distclean \

490

no-dot-config-targets := clean mrproper distclean \

491

cscope gtags TAGS tags help %docs check% coccicheck \

491

cscope gtags TAGS tags help %docs check% coccicheck \

492

$(version_h) headers_% archheaders archscripts \

492

$(version_h) headers_% archheaders archscripts \

493

kernelversion %src-pkg

493

kernelversion %src-pkg

494

495

config-targets := 0

495

config-targets := 0

496

mixed-targets := 0

496

mixed-targets := 0

497

dot-config := 1

497

dot-config := 1

498

499

ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)

499

ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)

500

ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)

500

ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)

501

dot-config := 0

501

dot-config := 0

502

endif

502

endif

503

endif

503

endif

504

505

ifeq ($(KBUILD_EXTMOD),)

505

ifeq ($(KBUILD_EXTMOD),)

506

ifneq ($(filter config %config,$(MAKECMDGOALS)),)

506

ifneq ($(filter config %config,$(MAKECMDGOALS)),)

507

config-targets := 1

507

config-targets := 1

508

ifneq ($(filter-out config %config,$(MAKECMDGOALS)),)

508

ifneq ($(filter-out config %config,$(MAKECMDGOALS)),)

509

mixed-targets := 1

509

mixed-targets := 1

510

endif

510

endif

511

endif

511

endif

512

endif

512

endif

513

514

ifeq ($(mixed-targets),1)

514

ifeq ($(mixed-targets),1)

515

# ===========================================================================

515

# ===========================================================================

516

# We're called with mixed targets (*config and build targets).

516

# We're called with mixed targets (*config and build targets).

517

# Handle them one by one.

517

# Handle them one by one.

518

519

PHONY += $(MAKECMDGOALS) __build_one_by_one

519

PHONY += $(MAKECMDGOALS) __build_one_by_one

520

521

$(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one

521

$(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one

522

@:

522

@:

523

524

__build_one_by_one:

524

__build_one_by_one:

525

$(Q)set -e; \

525

$(Q)set -e; \

526

for i in $(MAKECMDGOALS); do \

526

for i in $(MAKECMDGOALS); do \

527

$(MAKE) -f $(srctree)/Makefile $$i; \

527

$(MAKE) -f $(srctree)/Makefile $$i; \

528

done

528

done

529

530

else

530

else

531

ifeq ($(config-targets),1)

531

ifeq ($(config-targets),1)

532

# ===========================================================================

532

# ===========================================================================

533

# *config targets only - make sure prerequisites are updated, and descend

533

# *config targets only - make sure prerequisites are updated, and descend

534

# in scripts/kconfig to make the *config target

534

# in scripts/kconfig to make the *config target

535

536

# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.

536

# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.

537

# KBUILD_DEFCONFIG may point out an alternative default configuration

537

# KBUILD_DEFCONFIG may point out an alternative default configuration

538

# used for 'make defconfig'

538

# used for 'make defconfig'

539

include $(srctree)/arch/$(SRCARCH)/Makefile

539

include $(srctree)/arch/$(SRCARCH)/Makefile

540

export KBUILD_DEFCONFIG KBUILD_KCONFIG

540

export KBUILD_DEFCONFIG KBUILD_KCONFIG

541

542

config: scripts_basic outputmakefile FORCE

542

config: scripts_basic outputmakefile FORCE

543

$(Q)$(MAKE) $(build)=scripts/kconfig $@

543

$(Q)$(MAKE) $(build)=scripts/kconfig $@

544

545

%config: scripts_basic outputmakefile FORCE

545

%config: scripts_basic outputmakefile FORCE

546

$(Q)$(MAKE) $(build)=scripts/kconfig $@

546

$(Q)$(MAKE) $(build)=scripts/kconfig $@

547

548

else

548

else

549

# ===========================================================================

549

# ===========================================================================

550

# Build targets only - this includes vmlinux, arch specific targets, clean

550

# Build targets only - this includes vmlinux, arch specific targets, clean

551

# targets and others. In general all targets except *config targets.

551

# targets and others. In general all targets except *config targets.

552

553

ifeq ($(KBUILD_EXTMOD),)

553

ifeq ($(KBUILD_EXTMOD),)

554

# Additional helpers built in scripts/

554

# Additional helpers built in scripts/

555

# Carefully list dependencies so we do not try to build scripts twice

555

# Carefully list dependencies so we do not try to build scripts twice

556

# in parallel

556

# in parallel

557

PHONY += scripts

557

PHONY += scripts

558

scripts: scripts_basic include/config/auto.conf include/config/tristate.conf \

558

scripts: scripts_basic include/config/auto.conf include/config/tristate.conf \

559

asm-generic

559

asm-generic

560

$(Q)$(MAKE) $(build)=$(@)

560

$(Q)$(MAKE) $(build)=$(@)

561

562

# Objects we will link into vmlinux / subdirs we need to visit

562

# Objects we will link into vmlinux / subdirs we need to visit

563

init-y := init/

563

init-y := init/

564

drivers-y := drivers/ sound/ firmware/

564

drivers-y := drivers/ sound/ firmware/

565

net-y := net/

565

net-y := net/

566

libs-y := lib/

566

libs-y := lib/

567

core-y := usr/

567

core-y := usr/

568

endif # KBUILD_EXTMOD

568

endif # KBUILD_EXTMOD

569

570

ifeq ($(dot-config),1)

570

ifeq ($(dot-config),1)

571

# Read in config

571

# Read in config

572

-include include/config/auto.conf

572

-include include/config/auto.conf

573

574

ifeq ($(KBUILD_EXTMOD),)

574

ifeq ($(KBUILD_EXTMOD),)

575

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

575

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

576

# oldconfig if changes are detected.

576

# oldconfig if changes are detected.

577

-include include/config/auto.conf.cmd

577

-include include/config/auto.conf.cmd

578

579

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

579

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

580

$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;

580

$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;

581

582

# If .config is newer than include/config/auto.conf, someone tinkered

582

# If .config is newer than include/config/auto.conf, someone tinkered

583

# with it and forgot to run make oldconfig.

583

# with it and forgot to run make oldconfig.

584

# if auto.conf.cmd is missing then we are probably in a cleaned tree so

584

# if auto.conf.cmd is missing then we are probably in a cleaned tree so

585

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

585

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

586

include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd

586

include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd

587

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

587

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

588

else

588

else

589

# external modules needs include/generated/autoconf.h and include/config/auto.conf

589

# external modules needs include/generated/autoconf.h and include/config/auto.conf

590

# but do not care if they are up-to-date. Use auto.conf to trigger the test

590

# but do not care if they are up-to-date. Use auto.conf to trigger the test

591

PHONY += include/config/auto.conf

591

PHONY += include/config/auto.conf

592

593

include/config/auto.conf:

593

include/config/auto.conf:

594

$(Q)test -e include/generated/autoconf.h -a -e $@ || ( \

594

$(Q)test -e include/generated/autoconf.h -a -e $@ || ( \

595

echo >&2; \

595

echo >&2; \

596

echo >&2 " ERROR: Kernel configuration is invalid."; \

596

echo >&2 " ERROR: Kernel configuration is invalid."; \

597

echo >&2 " include/generated/autoconf.h or $@ are missing.";\

597

echo >&2 " include/generated/autoconf.h or $@ are missing.";\

598

echo >&2 " Run 'make oldconfig && make prepare' on kernel src to fix it."; \

598

echo >&2 " Run 'make oldconfig && make prepare' on kernel src to fix it."; \

599

echo >&2 ; \

599

echo >&2 ; \

600

/bin/false)

600

/bin/false)

601

602

endif # KBUILD_EXTMOD

602

endif # KBUILD_EXTMOD

603

604

else

604

else

605

# Dummy target needed, because used as prerequisite

605

# Dummy target needed, because used as prerequisite

606

include/config/auto.conf: ;

606

include/config/auto.conf: ;

607

endif # $(dot-config)

607

endif # $(dot-config)

608

609

# The all: target is the default when no target is given on the

609

# The all: target is the default when no target is given on the

610

# command line.

610

# command line.

611

# This allow a user to issue only 'make' to build a kernel including modules

611

# This allow a user to issue only 'make' to build a kernel including modules

612

# Defaults to vmlinux, but the arch makefile usually adds further targets

612

# Defaults to vmlinux, but the arch makefile usually adds further targets

613

all: vmlinux

613

all: vmlinux

614

615

include $(srctree)/arch/$(SRCARCH)/Makefile

615

include $(srctree)/arch/$(SRCARCH)/Makefile

616

617

KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,)

617

KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,)

618

619

ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE

619

ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE

620

KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,)

620

KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,)

621

else

621

else

622

KBUILD_CFLAGS += -O2

622

KBUILD_CFLAGS += -O2

623

endif

623

endif

624

625

# Tell gcc to never replace conditional load with a non-conditional one

625

# Tell gcc to never replace conditional load with a non-conditional one

626

KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0)

626

KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0)

627

628

ifdef CONFIG_READABLE_ASM

628

ifdef CONFIG_READABLE_ASM

629

# Disable optimizations that make assembler listings hard to read.

629

# Disable optimizations that make assembler listings hard to read.

630

# reorder blocks reorders the control in the function

630

# reorder blocks reorders the control in the function

631

# ipa clone creates specialized cloned functions

631

# ipa clone creates specialized cloned functions

632

# partial inlining inlines only parts of functions

632

# partial inlining inlines only parts of functions

633

KBUILD_CFLAGS += $(call cc-option,-fno-reorder-blocks,) \

633

KBUILD_CFLAGS += $(call cc-option,-fno-reorder-blocks,) \

634

$(call cc-option,-fno-ipa-cp-clone,) \

634

$(call cc-option,-fno-ipa-cp-clone,) \

635

$(call cc-option,-fno-partial-inlining)

635

$(call cc-option,-fno-partial-inlining)

636

endif

636

endif

637

638

ifneq ($(CONFIG_FRAME_WARN),0)

638

ifneq ($(CONFIG_FRAME_WARN),0)

639

KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN})

639

KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN})

640

endif

640

endif

641

642

# Handle stack protector mode.

642

# Handle stack protector mode.

643

#

643

#

644

# Since kbuild can potentially perform two passes (first with the old

644

# Since kbuild can potentially perform two passes (first with the old

645

# .config values and then with updated .config values), we cannot error out

645

# .config values and then with updated .config values), we cannot error out

646

# if a desired compiler option is unsupported. If we were to error, kbuild

646

# if a desired compiler option is unsupported. If we were to error, kbuild

647

# could never get to the second pass and actually notice that we changed

647

# could never get to the second pass and actually notice that we changed

648

# the option to something that was supported.

648

# the option to something that was supported.

649

#

649

#

650

# Additionally, we don't want to fallback and/or silently change which compiler

650

# Additionally, we don't want to fallback and/or silently change which compiler

651

# flags will be used, since that leads to producing kernels with different

651

# flags will be used, since that leads to producing kernels with different

652

# security feature characteristics depending on the compiler used. ("But I

652

# security feature characteristics depending on the compiler used. ("But I

653

# selected CC_STACKPROTECTOR_STRONG! Why did it build with _REGULAR?!")

653

# selected CC_STACKPROTECTOR_STRONG! Why did it build with _REGULAR?!")

654

#

654

#

655

# The middle ground is to warn here so that the failed option is obvious, but

655

# The middle ground is to warn here so that the failed option is obvious, but

656

# to let the build fail with bad compiler flags so that we can't produce a

656

# to let the build fail with bad compiler flags so that we can't produce a

657

# kernel when there is a CONFIG and compiler mismatch.

657

# kernel when there is a CONFIG and compiler mismatch.

658

#

658

#

659

ifdef CONFIG_CC_STACKPROTECTOR_REGULAR

659

ifdef CONFIG_CC_STACKPROTECTOR_REGULAR

660

stackp-flag := -fstack-protector

660

stackp-flag := -fstack-protector

661

ifeq ($(call cc-option, $(stackp-flag)),)

661

ifeq ($(call cc-option, $(stackp-flag)),)

662

$(warning Cannot use CONFIG_CC_STACKPROTECTOR_REGULAR: \

662

$(warning Cannot use CONFIG_CC_STACKPROTECTOR_REGULAR: \

663

-fstack-protector not supported by compiler)

663

-fstack-protector not supported by compiler)

664

endif

664

endif

665

else

665

else

666

ifdef CONFIG_CC_STACKPROTECTOR_STRONG

666

ifdef CONFIG_CC_STACKPROTECTOR_STRONG

667

stackp-flag := -fstack-protector-strong

667

stackp-flag := -fstack-protector-strong

668

ifeq ($(call cc-option, $(stackp-flag)),)

668

ifeq ($(call cc-option, $(stackp-flag)),)

669

$(warning Cannot use CONFIG_CC_STACKPROTECTOR_STRONG: \

669

$(warning Cannot use CONFIG_CC_STACKPROTECTOR_STRONG: \

670

-fstack-protector-strong not supported by compiler)

670

-fstack-protector-strong not supported by compiler)

671

endif

671

endif

672

else

672

else

673

# Force off for distro compilers that enable stack protector by default.

673

# Force off for distro compilers that enable stack protector by default.

674

stackp-flag := $(call cc-option, -fno-stack-protector)

674

stackp-flag := $(call cc-option, -fno-stack-protector)

675

endif

675

endif

676

endif

676

endif

677

KBUILD_CFLAGS += $(stackp-flag)

677

KBUILD_CFLAGS += $(stackp-flag)

678

679

ifeq ($(COMPILER),clang)

679

ifeq ($(COMPILER),clang)

680

KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)

680

KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)

681

KBUILD_CPPFLAGS += $(call cc-option,-Wno-unknown-warning-option,)

681

KBUILD_CPPFLAGS += $(call cc-option,-Wno-unknown-warning-option,)

682

KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable)

682

KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable)

683

KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)

683

KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)

684

KBUILD_CFLAGS += $(call cc-disable-warning, gnu)

684

KBUILD_CFLAGS += $(call cc-disable-warning, gnu)

685

# Quiet clang warning: comparison of unsigned expression < 0 is always false

685

# Quiet clang warning: comparison of unsigned expression < 0 is always false

686

KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)

686

KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)

687

# CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the

687

# CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the

688

# source of a reference will be _MergedGlobals and not on of the whitelisted names.

688

# source of a reference will be _MergedGlobals and not on of the whitelisted names.

689

# See modpost pattern 2

689

# See modpost pattern 2

690

KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)

690

KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)

691

KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)

691

KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)

692

else

692

else

693

694

# This warning generated too much noise in a regular build.

694

# This warning generated too much noise in a regular build.

695

# Use make W=1 to enable this warning (see scripts/Makefile.build)

695

# Use make W=1 to enable this warning (see scripts/Makefile.build)

696

KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)

696

KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)

697

endif

697

endif

698

699

ifdef CONFIG_FRAME_POINTER

699

ifdef CONFIG_FRAME_POINTER

700

KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls

700

KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls

701

else

701

else

702

# Some targets (ARM with Thumb2, for example), can't be built with frame

702

# Some targets (ARM with Thumb2, for example), can't be built with frame

703

# pointers. For those, we don't have FUNCTION_TRACER automatically

703

# pointers. For those, we don't have FUNCTION_TRACER automatically

704

# select FRAME_POINTER. However, FUNCTION_TRACER adds -pg, and this is

704

# select FRAME_POINTER. However, FUNCTION_TRACER adds -pg, and this is

705

# incompatible with -fomit-frame-pointer with current GCC, so we don't use

705

# incompatible with -fomit-frame-pointer with current GCC, so we don't use

706

# -fomit-frame-pointer with FUNCTION_TRACER.

706

# -fomit-frame-pointer with FUNCTION_TRACER.

707

ifndef CONFIG_FUNCTION_TRACER

707

ifndef CONFIG_FUNCTION_TRACER

708

KBUILD_CFLAGS += -fomit-frame-pointer

708

KBUILD_CFLAGS += -fomit-frame-pointer

709

endif

709

endif

710

endif

710

endif

711

712

KBUILD_CFLAGS += $(call cc-option, -fno-var-tracking-assignments)

712

KBUILD_CFLAGS += $(call cc-option, -fno-var-tracking-assignments)

713

714

ifdef CONFIG_DEBUG_INFO

714

ifdef CONFIG_DEBUG_INFO

715

ifdef CONFIG_DEBUG_INFO_SPLIT

715

ifdef CONFIG_DEBUG_INFO_SPLIT

716

KBUILD_CFLAGS += $(call cc-option, -gsplit-dwarf, -g)

716

KBUILD_CFLAGS += $(call cc-option, -gsplit-dwarf, -g)

717

else

717

else

718

KBUILD_CFLAGS += -g

718

KBUILD_CFLAGS += -g

719

endif

719

endif

720

KBUILD_AFLAGS += -Wa,-gdwarf-2

720

KBUILD_AFLAGS += -Wa,-gdwarf-2

721

endif

721

endif

722

ifdef CONFIG_DEBUG_INFO_DWARF4

722

ifdef CONFIG_DEBUG_INFO_DWARF4

723

KBUILD_CFLAGS += $(call cc-option, -gdwarf-4,)

723

KBUILD_CFLAGS += $(call cc-option, -gdwarf-4,)

724

endif

724

endif

725

726

ifdef CONFIG_DEBUG_INFO_REDUCED

726

ifdef CONFIG_DEBUG_INFO_REDUCED

727

KBUILD_CFLAGS += $(call cc-option, -femit-struct-debug-baseonly) \

727

KBUILD_CFLAGS += $(call cc-option, -femit-struct-debug-baseonly) \

728

$(call cc-option,-fno-var-tracking)

728

$(call cc-option,-fno-var-tracking)

729

endif

729

endif

730

731

ifdef CONFIG_FUNCTION_TRACER

731

ifdef CONFIG_FUNCTION_TRACER

732

ifdef CONFIG_HAVE_FENTRY

732

ifdef CONFIG_HAVE_FENTRY

733

CC_USING_FENTRY := $(call cc-option, -mfentry -DCC_USING_FENTRY)

733

CC_USING_FENTRY := $(call cc-option, -mfentry -DCC_USING_FENTRY)

734

endif

734

endif

735

KBUILD_CFLAGS += -pg $(CC_USING_FENTRY)

735

KBUILD_CFLAGS += -pg $(CC_USING_FENTRY)

736

KBUILD_AFLAGS += $(CC_USING_FENTRY)

736

KBUILD_AFLAGS += $(CC_USING_FENTRY)

737

ifdef CONFIG_DYNAMIC_FTRACE

737

ifdef CONFIG_DYNAMIC_FTRACE

738

ifdef CONFIG_HAVE_C_RECORDMCOUNT

738

ifdef CONFIG_HAVE_C_RECORDMCOUNT

739

BUILD_C_RECORDMCOUNT := y

739

BUILD_C_RECORDMCOUNT := y

740

export BUILD_C_RECORDMCOUNT

740

export BUILD_C_RECORDMCOUNT

741

endif

741

endif

742

endif

742

endif

743

endif

743

endif

744

745

# We trigger additional mismatches with less inlining

745

# We trigger additional mismatches with less inlining

746

ifdef CONFIG_DEBUG_SECTION_MISMATCH

746

ifdef CONFIG_DEBUG_SECTION_MISMATCH

747

KBUILD_CFLAGS += $(call cc-option, -fno-inline-functions-called-once)

747

KBUILD_CFLAGS += $(call cc-option, -fno-inline-functions-called-once)

748

endif

748

endif

749

750

# arch Makefile may override CC so keep this after arch Makefile is included

750

# arch Makefile may override CC so keep this after arch Makefile is included

751

NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)

751

NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)

752

CHECKFLAGS += $(NOSTDINC_FLAGS)

752

CHECKFLAGS += $(NOSTDINC_FLAGS)

753

754

# warn about C99 declaration after statement

754

# warn about C99 declaration after statement

755

KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)

755

KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)

756

757

# disable pointer signed / unsigned warnings in gcc 4.0

757

# disable pointer signed / unsigned warnings in gcc 4.0

758

KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign)

758

KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign)

759

760

# disable invalid "can't wrap" optimizations for signed / pointers

760

# disable invalid "can't wrap" optimizations for signed / pointers

761

KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow)

761

KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow)

762

763

# conserve stack if available

763

# conserve stack if available

764

KBUILD_CFLAGS += $(call cc-option,-fconserve-stack)

764

KBUILD_CFLAGS += $(call cc-option,-fconserve-stack)

765

766

# disallow errors like 'EXPORT_GPL(foo);' with missing header

766

# disallow errors like 'EXPORT_GPL(foo);' with missing header

767

KBUILD_CFLAGS += $(call cc-option,-Werror=implicit-int)

767

KBUILD_CFLAGS += $(call cc-option,-Werror=implicit-int)

768

769

# require functions to have arguments in prototypes, not empty 'int foo()'

769

# require functions to have arguments in prototypes, not empty 'int foo()'

770

KBUILD_CFLAGS += $(call cc-option,-Werror=strict-prototypes)

770

KBUILD_CFLAGS += $(call cc-option,-Werror=strict-prototypes)

771

772

# Prohibit date/time macros, which would make the build non-deterministic

772

# Prohibit date/time macros, which would make the build non-deterministic

773

KBUILD_CFLAGS += $(call cc-option,-Werror=date-time)

773

KBUILD_CFLAGS += $(call cc-option,-Werror=date-time)

774

775

# use the deterministic mode of AR if available

775

# use the deterministic mode of AR if available

776

KBUILD_ARFLAGS := $(call ar-option,D)

776

KBUILD_ARFLAGS := $(call ar-option,D)

777

778

# check for 'asm goto'

778

# check for 'asm goto'

779

ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC)), y)

779

ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC)), y)

780

KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO

780

KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO

781

endif

781

endif

782

783

include $(srctree)/scripts/Makefile.extrawarn

783

include $(srctree)/scripts/Makefile.extrawarn

784

785

# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments

785

# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments

786

KBUILD_CPPFLAGS += $(KCPPFLAGS)

786

KBUILD_CPPFLAGS += $(KCPPFLAGS)

787

KBUILD_AFLAGS += $(KAFLAGS)

787

KBUILD_AFLAGS += $(KAFLAGS)

788

KBUILD_CFLAGS += $(KCFLAGS)

788

KBUILD_CFLAGS += $(KCFLAGS)

789

790

# Use --build-id when available.

790

# Use --build-id when available.

791

LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\

791

LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\

792

$(call cc-ldoption, -Wl$(comma)--build-id,))

792

$(call cc-ldoption, -Wl$(comma)--build-id,))

793

KBUILD_LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)

793

KBUILD_LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)

794

LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID)

794

LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID)

795

796

ifeq ($(CONFIG_STRIP_ASM_SYMS),y)

796

ifeq ($(CONFIG_STRIP_ASM_SYMS),y)

797

LDFLAGS_vmlinux += $(call ld-option, -X,)

797

LDFLAGS_vmlinux += $(call ld-option, -X,)

798

endif

798

endif

799

800

# Default kernel image to build when no specific target is given.

800

# Default kernel image to build when no specific target is given.

801

# KBUILD_IMAGE may be overruled on the command line or

801

# KBUILD_IMAGE may be overruled on the command line or

802

# set in the environment

802

# set in the environment

803

# Also any assignments in arch/$(ARCH)/Makefile take precedence over

803

# Also any assignments in arch/$(ARCH)/Makefile take precedence over

804

# this default value

804

# this default value

805

export KBUILD_IMAGE ?= vmlinux

805

export KBUILD_IMAGE ?= vmlinux

806

807

#

807

#

808

# INSTALL_PATH specifies where to place the updated kernel and system map

808

# INSTALL_PATH specifies where to place the updated kernel and system map

809

# images. Default is /boot, but you can set it to other values

809

# images. Default is /boot, but you can set it to other values

810

export INSTALL_PATH ?= /boot

810

export INSTALL_PATH ?= /boot

811

812

#

812

#

813

# INSTALL_DTBS_PATH specifies a prefix for relocations required by build roots.

813

# INSTALL_DTBS_PATH specifies a prefix for relocations required by build roots.

814

# Like INSTALL_MOD_PATH, it isn't defined in the Makefile, but can be passed as

814

# Like INSTALL_MOD_PATH, it isn't defined in the Makefile, but can be passed as

815

# an argument if needed. Otherwise it defaults to the kernel install path

815

# an argument if needed. Otherwise it defaults to the kernel install path

816

#

816

#

817

export INSTALL_DTBS_PATH ?= $(INSTALL_PATH)/dtbs/$(KERNELRELEASE)

817

export INSTALL_DTBS_PATH ?= $(INSTALL_PATH)/dtbs/$(KERNELRELEASE)

818

819

#

819

#

820

# INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory

820

# INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory

821

# relocations required by build roots. This is not defined in the

821

# relocations required by build roots. This is not defined in the

822

# makefile but the argument can be passed to make if needed.

822

# makefile but the argument can be passed to make if needed.

823

#

823

#

824

825

MODLIB = $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE)

825

MODLIB = $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE)

826

export MODLIB

826

export MODLIB

827

828

#

828

#

829

# INSTALL_MOD_STRIP, if defined, will cause modules to be

829

# INSTALL_MOD_STRIP, if defined, will cause modules to be

830

# stripped after they are installed. If INSTALL_MOD_STRIP is '1', then

830

# stripped after they are installed. If INSTALL_MOD_STRIP is '1', then

831

# the default option --strip-debug will be used. Otherwise,

831

# the default option --strip-debug will be used. Otherwise,

832

# INSTALL_MOD_STRIP value will be used as the options to the strip command.

832

# INSTALL_MOD_STRIP value will be used as the options to the strip command.

833

834

ifdef INSTALL_MOD_STRIP

834

ifdef INSTALL_MOD_STRIP

835

ifeq ($(INSTALL_MOD_STRIP),1)

835

ifeq ($(INSTALL_MOD_STRIP),1)

836

mod_strip_cmd = $(STRIP) --strip-debug

836

mod_strip_cmd = $(STRIP) --strip-debug

837

else

837

else

838

mod_strip_cmd = $(STRIP) $(INSTALL_MOD_STRIP)

838

mod_strip_cmd = $(STRIP) $(INSTALL_MOD_STRIP)

839

endif # INSTALL_MOD_STRIP=1

839

endif # INSTALL_MOD_STRIP=1

840

else

840

else

841

mod_strip_cmd = true

841

mod_strip_cmd = true

842

endif # INSTALL_MOD_STRIP

842

endif # INSTALL_MOD_STRIP

843

export mod_strip_cmd

843

export mod_strip_cmd

844

845

# Select initial ramdisk compression format, default is gzip(1).

845

# Select initial ramdisk compression format, default is gzip(1).

846

# This shall be used by the dracut(8) tool while creating an initramfs image.

846

# This shall be used by the dracut(8) tool while creating an initramfs image.

847

#

847

#

848

INITRD_COMPRESS-y := gzip

848

INITRD_COMPRESS-y := gzip

849

INITRD_COMPRESS-$(CONFIG_RD_BZIP2) := bzip2

849

INITRD_COMPRESS-$(CONFIG_RD_BZIP2) := bzip2

850

INITRD_COMPRESS-$(CONFIG_RD_LZMA) := lzma

850

INITRD_COMPRESS-$(CONFIG_RD_LZMA) := lzma

851

INITRD_COMPRESS-$(CONFIG_RD_XZ) := xz

851

INITRD_COMPRESS-$(CONFIG_RD_XZ) := xz

852

INITRD_COMPRESS-$(CONFIG_RD_LZO) := lzo

852

INITRD_COMPRESS-$(CONFIG_RD_LZO) := lzo

853

INITRD_COMPRESS-$(CONFIG_RD_LZ4) := lz4

853

INITRD_COMPRESS-$(CONFIG_RD_LZ4) := lz4

854

# do not export INITRD_COMPRESS, since we didn't actually

854

# do not export INITRD_COMPRESS, since we didn't actually

855

# choose a sane default compression above.

855

# choose a sane default compression above.

856

# export INITRD_COMPRESS := $(INITRD_COMPRESS-y)

856

# export INITRD_COMPRESS := $(INITRD_COMPRESS-y)

857

858

ifdef CONFIG_MODULE_SIG_ALL

858

ifdef CONFIG_MODULE_SIG_ALL

859

MODSECKEY = ./signing_key.priv

859

MODSECKEY = ./signing_key.priv

860

MODPUBKEY = ./signing_key.x509

860

MODPUBKEY = ./signing_key.x509

861

export MODPUBKEY

861

export MODPUBKEY

862

mod_sign_cmd = perl $(srctree)/scripts/sign-file $(CONFIG_MODULE_SIG_HASH) $(MODSECKEY) $(MODPUBKEY)

862

mod_sign_cmd = perl $(srctree)/scripts/sign-file $(CONFIG_MODULE_SIG_HASH) $(MODSECKEY) $(MODPUBKEY)

863

else

863

else

864

mod_sign_cmd = true

864

mod_sign_cmd = true

865

endif

865

endif

866

export mod_sign_cmd

866

export mod_sign_cmd

867

868

869

ifeq ($(KBUILD_EXTMOD),)

869

ifeq ($(KBUILD_EXTMOD),)

870

core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/

870

core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/

871

872

vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \

872

vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \

873

$(core-y) $(core-m) $(drivers-y) $(drivers-m) \

873

$(core-y) $(core-m) $(drivers-y) $(drivers-m) \

874

$(net-y) $(net-m) $(libs-y) $(libs-m)))

874

$(net-y) $(net-m) $(libs-y) $(libs-m)))

875

876

vmlinux-alldirs := $(sort $(vmlinux-dirs) $(patsubst %/,%,$(filter %/, \

876

vmlinux-alldirs := $(sort $(vmlinux-dirs) $(patsubst %/,%,$(filter %/, \

877

$(init-n) $(init-) \

877

$(init-n) $(init-) \

878

$(core-n) $(core-) $(drivers-n) $(drivers-) \

878

$(core-n) $(core-) $(drivers-n) $(drivers-) \

879

$(net-n) $(net-) $(libs-n) $(libs-))))

879

$(net-n) $(net-) $(libs-n) $(libs-))))

880

881

init-y := $(patsubst %/, %/built-in.o, $(init-y))

881

init-y := $(patsubst %/, %/built-in.o, $(init-y))

882

core-y := $(patsubst %/, %/built-in.o, $(core-y))

882

core-y := $(patsubst %/, %/built-in.o, $(core-y))

883

drivers-y := $(patsubst %/, %/built-in.o, $(drivers-y))

883

drivers-y := $(patsubst %/, %/built-in.o, $(drivers-y))

884

net-y := $(patsubst %/, %/built-in.o, $(net-y))

884

net-y := $(patsubst %/, %/built-in.o, $(net-y))

885

libs-y1 := $(patsubst %/, %/lib.a, $(libs-y))

885

libs-y1 := $(patsubst %/, %/lib.a, $(libs-y))

886

libs-y2 := $(patsubst %/, %/built-in.o, $(libs-y))

886

libs-y2 := $(patsubst %/, %/built-in.o, $(libs-y))

887

libs-y := $(libs-y1) $(libs-y2)

887

libs-y := $(libs-y1) $(libs-y2)

888

889

# Externally visible symbols (used by link-vmlinux.sh)

889

# Externally visible symbols (used by link-vmlinux.sh)

890

export KBUILD_VMLINUX_INIT := $(head-y) $(init-y)

890

export KBUILD_VMLINUX_INIT := $(head-y) $(init-y)

891

export KBUILD_VMLINUX_MAIN := $(core-y) $(libs-y) $(drivers-y) $(net-y)

891

export KBUILD_VMLINUX_MAIN := $(core-y) $(libs-y) $(drivers-y) $(net-y)

892

export KBUILD_LDS := arch/$(SRCARCH)/kernel/vmlinux.lds

892

export KBUILD_LDS := arch/$(SRCARCH)/kernel/vmlinux.lds

893

export LDFLAGS_vmlinux

893

export LDFLAGS_vmlinux

894

# used by scripts/pacmage/Makefile

894

# used by scripts/pacmage/Makefile

895

export KBUILD_ALLDIRS := $(sort $(filter-out arch/%,$(vmlinux-alldirs)) arch Documentation include samples scripts tools virt)

895

export KBUILD_ALLDIRS := $(sort $(filter-out arch/%,$(vmlinux-alldirs)) arch Documentation include samples scripts tools virt)

896

897

vmlinux-deps := $(KBUILD_LDS) $(KBUILD_VMLINUX_INIT) $(KBUILD_VMLINUX_MAIN)

897

vmlinux-deps := $(KBUILD_LDS) $(KBUILD_VMLINUX_INIT) $(KBUILD_VMLINUX_MAIN)

898

899

# Final link of vmlinux

899

# Final link of vmlinux

900

cmd_link-vmlinux = $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux)

900

cmd_link-vmlinux = $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux)

901

quiet_cmd_link-vmlinux = LINK $@

901

quiet_cmd_link-vmlinux = LINK $@

902

903

# Include targets which we want to

903

# Include targets which we want to

904

# execute if the rest of the kernel build went well.

904

# execute if the rest of the kernel build went well.

905

vmlinux: scripts/link-vmlinux.sh $(vmlinux-deps) FORCE

905

vmlinux: scripts/link-vmlinux.sh $(vmlinux-deps) FORCE

906

ifdef CONFIG_HEADERS_CHECK

906

ifdef CONFIG_HEADERS_CHECK

907

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

907

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

908

endif

908

endif

909

ifdef CONFIG_SAMPLES

909

ifdef CONFIG_SAMPLES

910

$(Q)$(MAKE) $(build)=samples

910

$(Q)$(MAKE) $(build)=samples

911

endif

911

endif

912

ifdef CONFIG_BUILD_DOCSRC

912

ifdef CONFIG_BUILD_DOCSRC

913

$(Q)$(MAKE) $(build)=Documentation

913

$(Q)$(MAKE) $(build)=Documentation

914

endif

914

endif

915

+$(call if_changed,link-vmlinux)

915

+$(call if_changed,link-vmlinux)

916

917

# The actual objects are generated when descending,

917

# The actual objects are generated when descending,

918

# make sure no implicit rule kicks in

918

# make sure no implicit rule kicks in

919

$(sort $(vmlinux-deps)): $(vmlinux-dirs) ;

919

$(sort $(vmlinux-deps)): $(vmlinux-dirs) ;

920

921

# Handle descending into subdirectories listed in $(vmlinux-dirs)

921

# Handle descending into subdirectories listed in $(vmlinux-dirs)

922

# Preset locale variables to speed up the build process. Limit locale

922

# Preset locale variables to speed up the build process. Limit locale

923

# tweaks to this spot to avoid wrong language settings when running

923

# tweaks to this spot to avoid wrong language settings when running

924

# make menuconfig etc.

924

# make menuconfig etc.

925

# Error messages still appears in the original language

925

# Error messages still appears in the original language

926

927

PHONY += $(vmlinux-dirs)

927

PHONY += $(vmlinux-dirs)

928

$(vmlinux-dirs): prepare scripts

928

$(vmlinux-dirs): prepare scripts

929

$(Q)$(MAKE) $(build)=$@

929

$(Q)$(MAKE) $(build)=$@

930

931

define filechk_kernel.release

931

define filechk_kernel.release

932

echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"

932

echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"

933

endef

933

endef

934

935

# Store (new) KERNELRELEASE string in include/config/kernel.release

935

# Store (new) KERNELRELEASE string in include/config/kernel.release

936

include/config/kernel.release: include/config/auto.conf FORCE

936

include/config/kernel.release: include/config/auto.conf FORCE

937

$(call filechk,kernel.release)

937

$(call filechk,kernel.release)

938

939

940

# Things we need to do before we recursively start building the kernel

940

# Things we need to do before we recursively start building the kernel

941

# or the modules are listed in "prepare".

941

# or the modules are listed in "prepare".

942

# A multi level approach is used. prepareN is processed before prepareN-1.

942

# A multi level approach is used. prepareN is processed before prepareN-1.

943

# archprepare is used in arch Makefiles and when processed asm symlink,

943

# archprepare is used in arch Makefiles and when processed asm symlink,

944

# version.h and scripts_basic is processed / created.

944

# version.h and scripts_basic is processed / created.

945

946

# Listed in dependency order

946

# Listed in dependency order

947

PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3

947

PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3

948

949

# prepare3 is used to check if we are building in a separate output directory,

949

# prepare3 is used to check if we are building in a separate output directory,

950

# and if so do:

950

# and if so do:

951

# 1) Check that make has not been executed in the kernel src $(srctree)

951

# 1) Check that make has not been executed in the kernel src $(srctree)

952

prepare3: include/config/kernel.release

952

prepare3: include/config/kernel.release

953

ifneq ($(KBUILD_SRC),)

953

ifneq ($(KBUILD_SRC),)

954

@$(kecho) ' Using $(srctree) as source for kernel'

954

@$(kecho) ' Using $(srctree) as source for kernel'

955

$(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \

955

$(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \

956

echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \

956

echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \

957

echo >&2 " in the '$(srctree)' directory.";\

957

echo >&2 " in the '$(srctree)' directory.";\

958

/bin/false; \

958

/bin/false; \

959

fi;

959

fi;

960

endif

960

endif

961

962

# prepare2 creates a makefile if using a separate output directory

962

# prepare2 creates a makefile if using a separate output directory

963

prepare2: prepare3 outputmakefile asm-generic

963

prepare2: prepare3 outputmakefile asm-generic

964

965

prepare1: prepare2 $(version_h) include/generated/utsrelease.h \

965

prepare1: prepare2 $(version_h) include/generated/utsrelease.h \

966

include/config/auto.conf

966

include/config/auto.conf

967

$(cmd_crmodverdir)

967

$(cmd_crmodverdir)

968

969

archprepare: archheaders archscripts prepare1 scripts_basic

969

archprepare: archheaders archscripts prepare1 scripts_basic

970

971

prepare0: archprepare FORCE

971

prepare0: archprepare FORCE

972

$(Q)$(MAKE) $(build)=.

972

$(Q)$(MAKE) $(build)=.

973

974

# All the preparing..

974

# All the preparing..

975

prepare: prepare0

975

prepare: prepare0

976

977

# Generate some files

977

# Generate some files

978

# ---------------------------------------------------------------------------

978

# ---------------------------------------------------------------------------

979

980

# KERNELRELEASE can change from a few different places, meaning version.h

980

# KERNELRELEASE can change from a few different places, meaning version.h

981

# needs to be updated, so this check is forced on all builds

981

# needs to be updated, so this check is forced on all builds

982

983

uts_len := 64

983

uts_len := 64

984

define filechk_utsrelease.h

984

define filechk_utsrelease.h

985

if [ `echo -n "$(KERNELRELEASE)" | wc -c ` -gt $(uts_len) ]; then \

985

if [ `echo -n "$(KERNELRELEASE)" | wc -c ` -gt $(uts_len) ]; then \

986

echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \

986

echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \

987

exit 1; \

987

exit 1; \

988

fi; \

988

fi; \

989

(echo \#define UTS_RELEASE \"$(KERNELRELEASE)\";)

989

(echo \#define UTS_RELEASE \"$(KERNELRELEASE)\";)

990

endef

990

endef

991

992

define filechk_version.h

992

define filechk_version.h

993

(echo \#define LINUX_VERSION_CODE $(shell \

993

(echo \#define LINUX_VERSION_CODE $(shell \

994

expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \

994

expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \

995

echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';)

995

echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';)

996

endef

996

endef

997

998

$(version_h): $(srctree)/Makefile FORCE

998

$(version_h): $(srctree)/Makefile FORCE

999

$(call filechk,version.h)

999

$(call filechk,version.h)

1000

1001

include/generated/utsrelease.h: include/config/kernel.release FORCE

1001

include/generated/utsrelease.h: include/config/kernel.release FORCE

1002

$(call filechk,utsrelease.h)

1002

$(call filechk,utsrelease.h)

1003

1004

PHONY += headerdep

1004

PHONY += headerdep

1005

headerdep:

1005

headerdep:

1006

$(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \

1006

$(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \

1007

$(srctree)/scripts/headerdep.pl -I$(srctree)/include

1007

$(srctree)/scripts/headerdep.pl -I$(srctree)/include

1008

1009

# ---------------------------------------------------------------------------

1009

# ---------------------------------------------------------------------------

1010

1011

PHONY += depend dep

1011

PHONY += depend dep

1012

depend dep:

1012

depend dep:

1013

@echo '*** Warning: make $@ is unnecessary now.'

1013

@echo '*** Warning: make $@ is unnecessary now.'

1014

1015

# ---------------------------------------------------------------------------

1015

# ---------------------------------------------------------------------------

1016

# Firmware install

1016

# Firmware install

1017

INSTALL_FW_PATH=$(INSTALL_MOD_PATH)/lib/firmware

1017

INSTALL_FW_PATH=$(INSTALL_MOD_PATH)/lib/firmware

1018

export INSTALL_FW_PATH

1018

export INSTALL_FW_PATH

1019

1020

PHONY += firmware_install

1020

PHONY += firmware_install

1021

firmware_install: FORCE

1021

firmware_install: FORCE

1022

@mkdir -p $(objtree)/firmware

1022

@mkdir -p $(objtree)/firmware

1023

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_install

1023

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_install

1024

1025

# ---------------------------------------------------------------------------

1025

# ---------------------------------------------------------------------------

1026

# Kernel headers

1026

# Kernel headers

1027

1028

#Default location for installed headers

1028

#Default location for installed headers

1029

export INSTALL_HDR_PATH = $(objtree)/usr

1029

export INSTALL_HDR_PATH = $(objtree)/usr

1030

1031

hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj

1031

hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj

1032

1033

# If we do an all arch process set dst to asm-$(hdr-arch)

1033

# If we do an all arch process set dst to asm-$(hdr-arch)

1034

hdr-dst = $(if $(KBUILD_HEADERS), dst=include/asm-$(hdr-arch), dst=include/asm)

1034

hdr-dst = $(if $(KBUILD_HEADERS), dst=include/asm-$(hdr-arch), dst=include/asm)

1035

1036

PHONY += archheaders

1036

PHONY += archheaders

1037

archheaders:

1037

archheaders:

1038

1039

PHONY += archscripts

1039

PHONY += archscripts

1040

archscripts:

1040

archscripts:

1041

1042

PHONY += __headers

1042

PHONY += __headers

1043

__headers: $(version_h) scripts_basic asm-generic archheaders archscripts FORCE

1043

__headers: $(version_h) scripts_basic asm-generic archheaders archscripts FORCE

1044

$(Q)$(MAKE) $(build)=scripts build_unifdef

1044

$(Q)$(MAKE) $(build)=scripts build_unifdef

1045

1046

PHONY += headers_install_all

1046

PHONY += headers_install_all

1047

headers_install_all:

1047

headers_install_all:

1048

$(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh install

1048

$(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh install

1049

1050

PHONY += headers_install

1050

PHONY += headers_install

1051

headers_install: __headers

1051

headers_install: __headers

1052

$(if $(wildcard $(srctree)/arch/$(hdr-arch)/include/uapi/asm/Kbuild),, \

1052

$(if $(wildcard $(srctree)/arch/$(hdr-arch)/include/uapi/asm/Kbuild),, \

1053

$(error Headers not exportable for the $(SRCARCH) architecture))

1053

$(error Headers not exportable for the $(SRCARCH) architecture))

1054

$(Q)$(MAKE) $(hdr-inst)=include/uapi

1054

$(Q)$(MAKE) $(hdr-inst)=include/uapi

1055

$(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi/asm $(hdr-dst)

1055

$(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi/asm $(hdr-dst)

1056

1057

PHONY += headers_check_all

1057

PHONY += headers_check_all

1058

headers_check_all: headers_install_all

1058

headers_check_all: headers_install_all

1059

$(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh check

1059

$(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh check

1060

1061

PHONY += headers_check

1061

PHONY += headers_check

1062

headers_check: headers_install

1062

headers_check: headers_install

1063

$(Q)$(MAKE) $(hdr-inst)=include/uapi HDRCHECK=1

1063

$(Q)$(MAKE) $(hdr-inst)=include/uapi HDRCHECK=1

1064

$(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi/asm $(hdr-dst) HDRCHECK=1

1064

$(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi/asm $(hdr-dst) HDRCHECK=1

1065

1066

# ---------------------------------------------------------------------------

1066

# ---------------------------------------------------------------------------

1067

# Kernel selftest

1067

# Kernel selftest

1068

1069

PHONY += kselftest

1069

PHONY += kselftest

1070

kselftest:

1070

kselftest:

1071

$(Q)$(MAKE) -C tools/testing/selftests run_tests

1071

$(Q)$(MAKE) -C tools/testing/selftests run_tests

1072

1073

# ---------------------------------------------------------------------------

1073

# ---------------------------------------------------------------------------

1074

# Modules

1074

# Modules

1075

1076

ifdef CONFIG_MODULES

1076

ifdef CONFIG_MODULES

1077

1078

# By default, build modules as well

1078

# By default, build modules as well

1079

1080

all: modules

1080

all: modules

1081

1082

# Build modules

1082

# Build modules

1083

#

1083

#

1084

# A module can be listed more than once in obj-m resulting in

1084

# A module can be listed more than once in obj-m resulting in

1085

# duplicate lines in modules.order files. Those are removed

1085

# duplicate lines in modules.order files. Those are removed

1086

# using awk while concatenating to the final file.

1086

# using awk while concatenating to the final file.

1087

1088

PHONY += modules

1088

PHONY += modules

1089

modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin

1089

modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin

1090

$(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order

1090

$(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order

1091

@$(kecho) ' Building modules, stage 2.';

1091

@$(kecho) ' Building modules, stage 2.';

1092

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost

1092

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost

1093

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modbuild

1093

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modbuild

1094

1095

modules.builtin: $(vmlinux-dirs:%=%/modules.builtin)

1095

modules.builtin: $(vmlinux-dirs:%=%/modules.builtin)

1096

$(Q)$(AWK) '!x[$$0]++' $^ > $(objtree)/modules.builtin

1096

$(Q)$(AWK) '!x[$$0]++' $^ > $(objtree)/modules.builtin

1097

1098

%/modules.builtin: include/config/auto.conf

1098

%/modules.builtin: include/config/auto.conf

1099

$(Q)$(MAKE) $(modbuiltin)=$*

1099

$(Q)$(MAKE) $(modbuiltin)=$*

1100

1101

1102

# Target to prepare building external modules

1102

# Target to prepare building external modules

1103

PHONY += modules_prepare

1103

PHONY += modules_prepare

1104

modules_prepare: prepare scripts

1104

modules_prepare: prepare scripts

1105

1106

# Target to install modules

1106

# Target to install modules

1107

PHONY += modules_install

1107

PHONY += modules_install

1108

modules_install: _modinst_ _modinst_post

1108

modules_install: _modinst_ _modinst_post

1109

1110

PHONY += _modinst_

1110

PHONY += _modinst_

1111

_modinst_:

1111

_modinst_:

1112

@rm -rf $(MODLIB)/kernel

1112

@rm -rf $(MODLIB)/kernel

1113

@rm -f $(MODLIB)/source

1113

@rm -f $(MODLIB)/source

1114

@mkdir -p $(MODLIB)/kernel

1114

@mkdir -p $(MODLIB)/kernel

1115

@ln -s `cd $(srctree) && /bin/pwd` $(MODLIB)/source

1115

@ln -s `cd $(srctree) && /bin/pwd` $(MODLIB)/source

1116

@if [ ! $(objtree) -ef $(MODLIB)/build ]; then \

1116

@if [ ! $(objtree) -ef $(MODLIB)/build ]; then \

1117

rm -f $(MODLIB)/build ; \

1117

rm -f $(MODLIB)/build ; \

1118

ln -s $(CURDIR) $(MODLIB)/build ; \

1118

ln -s $(CURDIR) $(MODLIB)/build ; \

1119

fi

1119

fi

1120

@cp -f $(objtree)/modules.order $(MODLIB)/

1120

@cp -f $(objtree)/modules.order $(MODLIB)/

1121

@cp -f $(objtree)/modules.builtin $(MODLIB)/

1121

@cp -f $(objtree)/modules.builtin $(MODLIB)/

1122

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst

1122

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst

1123

1124

# This depmod is only for convenience to give the initial

1124

# This depmod is only for convenience to give the initial

1125

# boot a modules.dep even before / is mounted read-write. However the

1125

# boot a modules.dep even before / is mounted read-write. However the

1126

# boot script depmod is the master version.

1126

# boot script depmod is the master version.

1127

PHONY += _modinst_post

1127

PHONY += _modinst_post

1128

_modinst_post: _modinst_

1128

_modinst_post: _modinst_

1129

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modinst

1129

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modinst

1130

$(call cmd,depmod)

1130

$(call cmd,depmod)

1131

1132

ifeq ($(CONFIG_MODULE_SIG), y)

1132

ifeq ($(CONFIG_MODULE_SIG), y)

1133

PHONY += modules_sign

1133

PHONY += modules_sign

1134

modules_sign:

1134

modules_sign:

1135

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modsign

1135

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modsign

1136

endif

1136

endif

1137

1138

else # CONFIG_MODULES

1138

else # CONFIG_MODULES

1139

1140

# Modules not configured

1140

# Modules not configured

1141

# ---------------------------------------------------------------------------

1141

# ---------------------------------------------------------------------------

1142

1143

modules modules_install: FORCE

1143

modules modules_install: FORCE

1144

@echo >&2

1144

@echo >&2

1145

@echo >&2 "The present kernel configuration has modules disabled."

1145

@echo >&2 "The present kernel configuration has modules disabled."

1146

@echo >&2 "Type 'make config' and enable loadable module support."

1146

@echo >&2 "Type 'make config' and enable loadable module support."

1147

@echo >&2 "Then build a kernel with module support enabled."

1147

@echo >&2 "Then build a kernel with module support enabled."

1148

@echo >&2

1148

@echo >&2

1149

@exit 1

1149

@exit 1

1150

1151

endif # CONFIG_MODULES

1151

endif # CONFIG_MODULES

1152

1153

###

1153

###

1154

# Cleaning is done on three levels.

1154

# Cleaning is done on three levels.

1155

# make clean Delete most generated files

1155

# make clean Delete most generated files

1156

# Leave enough to build external modules

1156

# Leave enough to build external modules

1157

# make mrproper Delete the current configuration, and all generated files

1157

# make mrproper Delete the current configuration, and all generated files

1158

# make distclean Remove editor backup files, patch leftover files and the like

1158

# make distclean Remove editor backup files, patch leftover files and the like

1159

1160

# Directories & files removed with 'make clean'

1160

# Directories & files removed with 'make clean'

1161

CLEAN_DIRS += $(MODVERDIR)

1161

CLEAN_DIRS += $(MODVERDIR)

1162

1163

# Directories & files removed with 'make mrproper'

1163

# Directories & files removed with 'make mrproper'

1164

MRPROPER_DIRS += include/config usr/include include/generated \

1164

MRPROPER_DIRS += include/config usr/include include/generated \

1165

arch/*/include/generated .tmp_objdiff

1165

arch/*/include/generated .tmp_objdiff

1166

MRPROPER_FILES += .config .config.old .version .old_version $(version_h) \

1166

MRPROPER_FILES += .config .config.old .version .old_version $(version_h) \

1167

Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \

1167

Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \

1168

signing_key.priv signing_key.x509 x509.genkey \

1168

signing_key.priv signing_key.x509 x509.genkey \

1169

extra_certificates signing_key.x509.keyid \

1169

extra_certificates signing_key.x509.keyid \

1170

signing_key.x509.signer include/linux/version.h

1170

signing_key.x509.signer include/linux/version.h

1171

1172

# clean - Delete most, but leave enough to build external modules

1172

# clean - Delete most, but leave enough to build external modules

1173

#

1173

#

1174

clean: rm-dirs := $(CLEAN_DIRS)

1174

clean: rm-dirs := $(CLEAN_DIRS)

1175

clean: rm-files := $(CLEAN_FILES)

1175

clean: rm-files := $(CLEAN_FILES)

1176

clean-dirs := $(addprefix _clean_, . $(vmlinux-alldirs) Documentation samples)

1176

clean-dirs := $(addprefix _clean_, . $(vmlinux-alldirs) Documentation samples)

1177

1178

PHONY += $(clean-dirs) clean archclean vmlinuxclean

1178

PHONY += $(clean-dirs) clean archclean vmlinuxclean

1179

$(clean-dirs):

1179

$(clean-dirs):

1180

$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)

1180

$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)

1181

1182

vmlinuxclean:

1182

vmlinuxclean:

1183

$(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean

1183

$(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean

1184

1185

clean: archclean vmlinuxclean

1185

clean: archclean vmlinuxclean

1186

1187

# mrproper - Delete all generated files, including .config

1187

# mrproper - Delete all generated files, including .config

1188

#

1188

#

1189

mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS))

1189

mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS))

1190

mrproper: rm-files := $(wildcard $(MRPROPER_FILES))

1190

mrproper: rm-files := $(wildcard $(MRPROPER_FILES))

1191

mrproper-dirs := $(addprefix _mrproper_,Documentation/DocBook scripts)

1191

mrproper-dirs := $(addprefix _mrproper_,Documentation/DocBook scripts)

1192

1193

PHONY += $(mrproper-dirs) mrproper archmrproper

1193

PHONY += $(mrproper-dirs) mrproper archmrproper

1194

$(mrproper-dirs):

1194

$(mrproper-dirs):

1195

$(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)

1195

$(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)

1196

1197

mrproper: clean archmrproper $(mrproper-dirs)

1197

mrproper: clean archmrproper $(mrproper-dirs)

1198

$(call cmd,rmdirs)

1198

$(call cmd,rmdirs)

1199

$(call cmd,rmfiles)

1199

$(call cmd,rmfiles)

1200

1201

# distclean

1201

# distclean

1202

#

1202

#

1203

PHONY += distclean

1203

PHONY += distclean

1204

1205

distclean: mrproper

1205

distclean: mrproper

1206

@find $(srctree) $(RCS_FIND_IGNORE) \

1206

@find $(srctree) $(RCS_FIND_IGNORE) \

1207

\( -name '*.orig' -o -name '*.rej' -o -name '*~' \

1207

\( -name '*.orig' -o -name '*.rej' -o -name '*~' \

1208

-o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \

1208

-o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \

1209

-o -name '.*.rej' -o -name '*%' -o -name 'core' \) \

1209

-o -name '.*.rej' -o -name '*%' -o -name 'core' \) \

1210

-type f -print | xargs rm -f

1210

-type f -print | xargs rm -f

1211

1212

1213

# Packaging of the kernel to various formats

1213

# Packaging of the kernel to various formats

1214

# ---------------------------------------------------------------------------

1214

# ---------------------------------------------------------------------------

1215

# rpm target kept for backward compatibility

1215

# rpm target kept for backward compatibility

1216

package-dir := scripts/package

1216

package-dir := scripts/package

1217

1218

%src-pkg: FORCE

1218

%src-pkg: FORCE

1219

$(Q)$(MAKE) $(build)=$(package-dir) $@

1219

$(Q)$(MAKE) $(build)=$(package-dir) $@

1220

%pkg: include/config/kernel.release FORCE

1220

%pkg: include/config/kernel.release FORCE

1221

$(Q)$(MAKE) $(build)=$(package-dir) $@

1221

$(Q)$(MAKE) $(build)=$(package-dir) $@

1222

rpm: include/config/kernel.release FORCE

1222

rpm: include/config/kernel.release FORCE

1223

$(Q)$(MAKE) $(build)=$(package-dir) $@

1223

$(Q)$(MAKE) $(build)=$(package-dir) $@

1224

1225

1226

# Brief documentation of the typical targets used

1226

# Brief documentation of the typical targets used

1227

# ---------------------------------------------------------------------------

1227

# ---------------------------------------------------------------------------

1228

1229

boards := $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*_defconfig)

1229

boards := $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*_defconfig)

1230

boards := $(notdir $(boards))

1230

boards := $(notdir $(boards))

1231

board-dirs := $(dir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*/*_defconfig))

1231

board-dirs := $(dir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*/*_defconfig))

1232

board-dirs := $(sort $(notdir $(board-dirs:/=)))

1232

board-dirs := $(sort $(notdir $(board-dirs:/=)))

1233

1234

help:

1234

help:

1235

@echo 'Cleaning targets:'

1235

@echo 'Cleaning targets:'

1236

@echo ' clean - Remove most generated files but keep the config and'

1236

@echo ' clean - Remove most generated files but keep the config and'

1237

@echo ' enough build support to build external modules'

1237

@echo ' enough build support to build external modules'

1238

@echo ' mrproper - Remove all generated files + config + various backup files'

1238

@echo ' mrproper - Remove all generated files + config + various backup files'

1239

@echo ' distclean - mrproper + remove editor backup and patch files'

1239

@echo ' distclean - mrproper + remove editor backup and patch files'

1240

@echo ''

1240

@echo ''

1241

@echo 'Configuration targets:'

1241

@echo 'Configuration targets:'

1242

@$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help

1242

@$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help

1243

@echo ''

1243

@echo ''

1244

@echo 'Other generic targets:'

1244

@echo 'Other generic targets:'

1245

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

1245

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

1246

@echo '* vmlinux - Build the bare kernel'

1246

@echo '* vmlinux - Build the bare kernel'

1247

@echo '* modules - Build all modules'

1247

@echo '* modules - Build all modules'

1248

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

1248

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

1249

@echo ' firmware_install- Install all firmware to INSTALL_FW_PATH'

1249

@echo ' firmware_install- Install all firmware to INSTALL_FW_PATH'

1250

@echo ' (default: $$(INSTALL_MOD_PATH)/lib/firmware)'

1250

@echo ' (default: $$(INSTALL_MOD_PATH)/lib/firmware)'

1251

@echo ' dir/ - Build all files in dir and below'

1251

@echo ' dir/ - Build all files in dir and below'

1252

@echo ' dir/file.[oisS] - Build specified target only'

1252

@echo ' dir/file.[oisS] - Build specified target only'

1253

@echo ' dir/file.lst - Build specified mixed source/assembly target only'

1253

@echo ' dir/file.lst - Build specified mixed source/assembly target only'

1254

@echo ' (requires a recent binutils and recent build (System.map))'

1254

@echo ' (requires a recent binutils and recent build (System.map))'

1255

@echo ' dir/file.ko - Build module including final link'

1255

@echo ' dir/file.ko - Build module including final link'

1256

@echo ' modules_prepare - Set up for building external modules'

1256

@echo ' modules_prepare - Set up for building external modules'

1257

@echo ' tags/TAGS - Generate tags file for editors'

1257

@echo ' tags/TAGS - Generate tags file for editors'

1258

@echo ' cscope - Generate cscope index'

1258

@echo ' cscope - Generate cscope index'

1259

@echo ' gtags - Generate GNU GLOBAL index'

1259

@echo ' gtags - Generate GNU GLOBAL index'

1260

@echo ' kernelrelease - Output the release version string (use with make -s)'

1260

@echo ' kernelrelease - Output the release version string (use with make -s)'

1261

@echo ' kernelversion - Output the version stored in Makefile (use with make -s)'

1261

@echo ' kernelversion - Output the version stored in Makefile (use with make -s)'

1262

@echo ' image_name - Output the image name (use with make -s)'

1262

@echo ' image_name - Output the image name (use with make -s)'

1263

@echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \

1263

@echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \

1264

echo ' (default: $(INSTALL_HDR_PATH))'; \

1264

echo ' (default: $(INSTALL_HDR_PATH))'; \

1265

echo ''

1265

echo ''

1266

@echo 'Static analysers'

1266

@echo 'Static analysers'

1267

@echo ' checkstack - Generate a list of stack hogs'

1267

@echo ' checkstack - Generate a list of stack hogs'

1268

@echo ' namespacecheck - Name space analysis on compiled kernel'

1268

@echo ' namespacecheck - Name space analysis on compiled kernel'

1269

@echo ' versioncheck - Sanity check on version.h usage'

1269

@echo ' versioncheck - Sanity check on version.h usage'

1270

@echo ' includecheck - Check for duplicate included header files'

1270

@echo ' includecheck - Check for duplicate included header files'

1271

@echo ' export_report - List the usages of all exported symbols'

1271

@echo ' export_report - List the usages of all exported symbols'

1272

@echo ' headers_check - Sanity check on exported headers'

1272

@echo ' headers_check - Sanity check on exported headers'

1273

@echo ' headerdep - Detect inclusion cycles in headers'

1273

@echo ' headerdep - Detect inclusion cycles in headers'

1274

@$(MAKE) -f $(srctree)/scripts/Makefile.help checker-help

1274

@$(MAKE) -f $(srctree)/scripts/Makefile.help checker-help

1275

@echo ''

1275

@echo ''

1276

@echo 'Kernel selftest'

1276

@echo 'Kernel selftest'

1277

@echo ' kselftest - Build and run kernel selftest (run as root)'

1277

@echo ' kselftest - Build and run kernel selftest (run as root)'

1278

@echo ' Build, install, and boot kernel before'

1278

@echo ' Build, install, and boot kernel before'

1279

@echo ' running kselftest on it'

1279

@echo ' running kselftest on it'

1280

@echo ''

1280

@echo ''

1281

@echo 'Kernel packaging:'

1281

@echo 'Kernel packaging:'

1282

@$(MAKE) $(build)=$(package-dir) help

1282

@$(MAKE) $(build)=$(package-dir) help

1283

@echo ''

1283

@echo ''

1284

@echo 'Documentation targets:'

1284

@echo 'Documentation targets:'

1285

@$(MAKE) -f $(srctree)/Documentation/DocBook/Makefile dochelp

1285

@$(MAKE) -f $(srctree)/Documentation/DocBook/Makefile dochelp

1286

@echo ''

1286

@echo ''

1287

@echo 'Architecture specific targets ($(SRCARCH)):'

1287

@echo 'Architecture specific targets ($(SRCARCH)):'

1288

@$(if $(archhelp),$(archhelp),\

1288

@$(if $(archhelp),$(archhelp),\

1289

echo ' No architecture specific help defined for $(SRCARCH)')

1289

echo ' No architecture specific help defined for $(SRCARCH)')

1290

@echo ''

1290

@echo ''

1291

@$(if $(boards), \

1291

@$(if $(boards), \

1292

$(foreach b, $(boards), \

1292

$(foreach b, $(boards), \

1293

printf " %-24s - Build for %s\\n" $(b) $(subst _defconfig,,$(b));) \

1293

printf " %-24s - Build for %s\\n" $(b) $(subst _defconfig,,$(b));) \

1294

echo '')

1294

echo '')

1295

@$(if $(board-dirs), \

1295

@$(if $(board-dirs), \

1296

$(foreach b, $(board-dirs), \

1296

$(foreach b, $(board-dirs), \

1297

printf " %-16s - Show %s-specific targets\\n" help-$(b) $(b);) \

1297

printf " %-16s - Show %s-specific targets\\n" help-$(b) $(b);) \

1298

printf " %-16s - Show all of the above\\n" help-boards; \

1298

printf " %-16s - Show all of the above\\n" help-boards; \

1299

echo '')

1299

echo '')

1300

1301

@echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'

1301

@echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'

1302

@echo ' make V=2 [targets] 2 => give reason for rebuild of target'

1302

@echo ' make V=2 [targets] 2 => give reason for rebuild of target'

1303

@echo ' make O=dir [targets] Locate all output files in "dir", including .config'

1303

@echo ' make O=dir [targets] Locate all output files in "dir", including .config'

1304

@echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)'

1304

@echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)'

1305

@echo ' make C=2 [targets] Force check of all c source with $$CHECK'

1305

@echo ' make C=2 [targets] Force check of all c source with $$CHECK'

1306

@echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'

1306

@echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'

1307

@echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where'

1307

@echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where'

1308

@echo ' 1: warnings which may be relevant and do not occur too often'

1308

@echo ' 1: warnings which may be relevant and do not occur too often'

1309

@echo ' 2: warnings which occur quite often but may still be relevant'

1309

@echo ' 2: warnings which occur quite often but may still be relevant'

1310

@echo ' 3: more obscure warnings, can most likely be ignored'

1310

@echo ' 3: more obscure warnings, can most likely be ignored'

1311

@echo ' Multiple levels can be combined with W=12 or W=123'

1311

@echo ' Multiple levels can be combined with W=12 or W=123'

1312

@echo ''

1312

@echo ''

1313

@echo 'Execute "make" or "make all" to build all targets marked with [*] '

1313

@echo 'Execute "make" or "make all" to build all targets marked with [*] '

1314

@echo 'For further info see the ./README file'

1314

@echo 'For further info see the ./README file'

1315

1316

1317

help-board-dirs := $(addprefix help-,$(board-dirs))

1317

help-board-dirs := $(addprefix help-,$(board-dirs))

1318

1319

help-boards: $(help-board-dirs)

1319

help-boards: $(help-board-dirs)

1320

1321

boards-per-dir = $(notdir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/$*/*_defconfig))

1321

boards-per-dir = $(notdir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/$*/*_defconfig))

1322

1323

$(help-board-dirs): help-%:

1323

$(help-board-dirs): help-%:

1324

@echo 'Architecture specific targets ($(SRCARCH) $*):'

1324

@echo 'Architecture specific targets ($(SRCARCH) $*):'

1325

@$(if $(boards-per-dir), \

1325

@$(if $(boards-per-dir), \

1326

$(foreach b, $(boards-per-dir), \

1326

$(foreach b, $(boards-per-dir), \

1327

printf " %-24s - Build for %s\\n" $*/$(b) $(subst _defconfig,,$(b));) \

1327

printf " %-24s - Build for %s\\n" $*/$(b) $(subst _defconfig,,$(b));) \

1328

echo '')

1328

echo '')

1329

1330

1331

# Documentation targets

1331

# Documentation targets

1332

# ---------------------------------------------------------------------------

1332

# ---------------------------------------------------------------------------

1333

%docs: scripts_basic FORCE

1333

%docs: scripts_basic FORCE

1334

$(Q)$(MAKE) $(build)=scripts build_docproc

1334

$(Q)$(MAKE) $(build)=scripts build_docproc

1335

$(Q)$(MAKE) $(build)=Documentation/DocBook $@

1335

$(Q)$(MAKE) $(build)=Documentation/DocBook $@

1336

1337

else # KBUILD_EXTMOD

1337

else # KBUILD_EXTMOD

1338

1339

###

1339

###

1340

# External module support.

1340

# External module support.

1341

# When building external modules the kernel used as basis is considered

1341

# When building external modules the kernel used as basis is considered

1342

# read-only, and no consistency checks are made and the make

1342

# read-only, and no consistency checks are made and the make

1343

# system is not used on the basis kernel. If updates are required

1343

# system is not used on the basis kernel. If updates are required

1344

# in the basis kernel ordinary make commands (without M=...) must

1344

# in the basis kernel ordinary make commands (without M=...) must

1345

# be used.

1345

# be used.

1346

#

1346

#

1347

# The following are the only valid targets when building external

1347

# The following are the only valid targets when building external

1348

# modules.

1348

# modules.

1349

# make M=dir clean Delete all automatically generated files

1349

# make M=dir clean Delete all automatically generated files

1350

# make M=dir modules Make all modules in specified dir

1350

# make M=dir modules Make all modules in specified dir

1351

# make M=dir Same as 'make M=dir modules'

1351

# make M=dir Same as 'make M=dir modules'

1352

# make M=dir modules_install

1352

# make M=dir modules_install

1353

# Install the modules built in the module directory

1353

# Install the modules built in the module directory

1354

# Assumes install directory is already created

1354

# Assumes install directory is already created

1355

1356

# We are always building modules

1356

# We are always building modules

1357

KBUILD_MODULES := 1

1357

KBUILD_MODULES := 1

1358

PHONY += crmodverdir

1358

PHONY += crmodverdir

1359

crmodverdir:

1359

crmodverdir:

1360

$(cmd_crmodverdir)

1360

$(cmd_crmodverdir)

1361

1362

PHONY += $(objtree)/Module.symvers

1362

PHONY += $(objtree)/Module.symvers

1363

$(objtree)/Module.symvers:

1363

$(objtree)/Module.symvers:

1364

@test -e $(objtree)/Module.symvers || ( \

1364

@test -e $(objtree)/Module.symvers || ( \

1365

echo; \

1365

echo; \

1366

echo " WARNING: Symbol version dump $(objtree)/Module.symvers"; \

1366

echo " WARNING: Symbol version dump $(objtree)/Module.symvers"; \

1367

echo " is missing; modules will have no dependencies and modversions."; \

1367

echo " is missing; modules will have no dependencies and modversions."; \

1368

echo )

1368

echo )

1369

1370

module-dirs := $(addprefix _module_,$(KBUILD_EXTMOD))

1370

module-dirs := $(addprefix _module_,$(KBUILD_EXTMOD))

1371

PHONY += $(module-dirs) modules

1371

PHONY += $(module-dirs) modules

1372

$(module-dirs): crmodverdir $(objtree)/Module.symvers

1372

$(module-dirs): crmodverdir $(objtree)/Module.symvers

1373

$(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@)

1373

$(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@)

1374

1375

modules: $(module-dirs)

1375

modules: $(module-dirs)

1376

@$(kecho) ' Building modules, stage 2.';

1376

@$(kecho) ' Building modules, stage 2.';

1377

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost

1377

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost

1378

1379

PHONY += modules_install

1379

PHONY += modules_install

1380

modules_install: _emodinst_ _emodinst_post

1380

modules_install: _emodinst_ _emodinst_post

1381

1382

install-dir := $(if $(INSTALL_MOD_DIR),$(INSTALL_MOD_DIR),extra)

1382

install-dir := $(if $(INSTALL_MOD_DIR),$(INSTALL_MOD_DIR),extra)

1383

PHONY += _emodinst_

1383

PHONY += _emodinst_

1384

_emodinst_:

1384

_emodinst_:

1385

$(Q)mkdir -p $(MODLIB)/$(install-dir)

1385

$(Q)mkdir -p $(MODLIB)/$(install-dir)

1386

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst

1386

$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst

1387

1388

PHONY += _emodinst_post

1388

PHONY += _emodinst_post

1389

_emodinst_post: _emodinst_

1389

_emodinst_post: _emodinst_

1390

$(call cmd,depmod)

1390

$(call cmd,depmod)

1391

1392

clean-dirs := $(addprefix _clean_,$(KBUILD_EXTMOD))

1392

clean-dirs := $(addprefix _clean_,$(KBUILD_EXTMOD))

1393

1394

PHONY += $(clean-dirs) clean

1394

PHONY += $(clean-dirs) clean

1395

$(clean-dirs):

1395

$(clean-dirs):

1396

$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)

1396

$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)

1397

1398

clean: rm-dirs := $(MODVERDIR)

1398

clean: rm-dirs := $(MODVERDIR)

1399

clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers

1399

clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers

1400

1401

help:

1401

help:

1402

@echo ' Building external modules.'

1402

@echo ' Building external modules.'

1403

@echo ' Syntax: make -C path/to/kernel/src M=$$PWD target'

1403

@echo ' Syntax: make -C path/to/kernel/src M=$$PWD target'

1404

@echo ''

1404

@echo ''

1405

@echo ' modules - default target, build the module(s)'

1405

@echo ' modules - default target, build the module(s)'

1406

@echo ' modules_install - install the module'

1406

@echo ' modules_install - install the module'

1407

@echo ' clean - remove generated files in module directory only'

1407

@echo ' clean - remove generated files in module directory only'

1408

@echo ''

1408

@echo ''

1409

1410

# Dummies...

1410

# Dummies...

1411

PHONY += prepare scripts

1411

PHONY += prepare scripts

1412

prepare: ;

1412

prepare: ;

1413

scripts: ;

1413

scripts: ;

1414

endif # KBUILD_EXTMOD

1414

endif # KBUILD_EXTMOD

1415

1416

clean: $(clean-dirs)

1416

clean: $(clean-dirs)

1417

$(call cmd,rmdirs)

1417

$(call cmd,rmdirs)

1418

$(call cmd,rmfiles)

1418

$(call cmd,rmfiles)

1419

@find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \

1419

@find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \

1420

\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \

1420

\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \

1421

-o -name '*.ko.*' \

1421

-o -name '*.ko.*' \

1422

-o -name '*.dwo' \

1422

-o -name '*.dwo' \

1423

-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \

1423

-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \

1424

-o -name '*.symtypes' -o -name 'modules.order' \

1424

-o -name '*.symtypes' -o -name 'modules.order' \

1425

-o -name modules.builtin -o -name '.tmp_*.o.*' \

1425

-o -name modules.builtin -o -name '.tmp_*.o.*' \

1426

-o -name '*.gcno' \) -type f -print | xargs rm -f

1426

-o -name '*.gcno' \) -type f -print | xargs rm -f

1427

1428

# Generate tags for editors

1428

# Generate tags for editors

1429

# ---------------------------------------------------------------------------

1429

# ---------------------------------------------------------------------------

1430

quiet_cmd_tags = GEN $@

1430

quiet_cmd_tags = GEN $@

1431

cmd_tags = $(CONFIG_SHELL) $(srctree)/scripts/tags.sh $@

1431

cmd_tags = $(CONFIG_SHELL) $(srctree)/scripts/tags.sh $@

1432

1433

tags TAGS cscope gtags: FORCE

1433

tags TAGS cscope gtags: FORCE

1434

$(call cmd,tags)

1434

$(call cmd,tags)

1435

1436

# Scripts to check various things for consistency

1436

# Scripts to check various things for consistency

1437

# ---------------------------------------------------------------------------

1437

# ---------------------------------------------------------------------------

1438

1439

PHONY += includecheck versioncheck coccicheck namespacecheck export_report

1439

PHONY += includecheck versioncheck coccicheck namespacecheck export_report

1440

1441

includecheck:

1441

includecheck:

1442

find $(srctree)/* $(RCS_FIND_IGNORE) \

1442

find $(srctree)/* $(RCS_FIND_IGNORE) \

1443

-name '*.[hcS]' -type f -print | sort \

1443

-name '*.[hcS]' -type f -print | sort \

1444

| xargs $(PERL) -w $(srctree)/scripts/checkincludes.pl

1444

| xargs $(PERL) -w $(srctree)/scripts/checkincludes.pl

1445

1446

versioncheck:

1446

versioncheck:

1447

find $(srctree)/* $(RCS_FIND_IGNORE) \

1447

find $(srctree)/* $(RCS_FIND_IGNORE) \

1448

-name '*.[hcS]' -type f -print | sort \

1448

-name '*.[hcS]' -type f -print | sort \

1449

| xargs $(PERL) -w $(srctree)/scripts/checkversion.pl

1449

| xargs $(PERL) -w $(srctree)/scripts/checkversion.pl

1450

1451

coccicheck:

1451

coccicheck:

1452

$(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@

1452

$(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@

1453

1454

namespacecheck:

1454

namespacecheck:

1455

$(PERL) $(srctree)/scripts/namespace.pl

1455

$(PERL) $(srctree)/scripts/namespace.pl

1456

1457

export_report:

1457

export_report:

1458

$(PERL) $(srctree)/scripts/export_report.pl

1458

$(PERL) $(srctree)/scripts/export_report.pl

1459

1460

endif #ifeq ($(config-targets),1)

1460

endif #ifeq ($(config-targets),1)

1461

endif #ifeq ($(mixed-targets),1)

1461

endif #ifeq ($(mixed-targets),1)

1462

1463

PHONY += checkstack kernelrelease kernelversion image_name

1463

PHONY += checkstack kernelrelease kernelversion image_name

1464

1465

# UML needs a little special treatment here. It wants to use the host

1465

# UML needs a little special treatment here. It wants to use the host

1466

# toolchain, so needs $(SUBARCH) passed to checkstack.pl. Everyone

1466

# toolchain, so needs $(SUBARCH) passed to checkstack.pl. Everyone

1467

# else wants $(ARCH), including people doing cross-builds, which means

1467

# else wants $(ARCH), including people doing cross-builds, which means

1468

# that $(SUBARCH) doesn't work here.

1468

# that $(SUBARCH) doesn't work here.

1469

ifeq ($(ARCH), um)

1469

ifeq ($(ARCH), um)

1470

CHECKSTACK_ARCH := $(SUBARCH)

1470

CHECKSTACK_ARCH := $(SUBARCH)

1471

else

1471

else

1472

CHECKSTACK_ARCH := $(ARCH)

1472

CHECKSTACK_ARCH := $(ARCH)

1473

endif

1473

endif

1474

checkstack:

1474

checkstack:

1475

$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \

1475

$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \

1476

$(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH)

1476

$(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH)

1477

1478

kernelrelease:

1478

kernelrelease:

1479

@echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"

1479

@echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"

1480

1481

kernelversion:

1481

kernelversion:

1482

@echo $(KERNELVERSION)

1482

@echo $(KERNELVERSION)

1483

1484

image_name:

1484

image_name:

1485

@echo $(KBUILD_IMAGE)

1485

@echo $(KBUILD_IMAGE)

1486

1487

# Clear a bunch of variables before executing the submake

1487

# Clear a bunch of variables before executing the submake

1488

tools/: FORCE

1488

tools/: FORCE

1489

$(Q)mkdir -p $(objtree)/tools

1489

$(Q)mkdir -p $(objtree)/tools

1490

$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(filter --j% -j,$(MAKEFLAGS))" O=$(objtree) subdir=tools -C $(src)/tools/

1490

$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(filter --j% -j,$(MAKEFLAGS))" O=$(objtree) subdir=tools -C $(src)/tools/

1491

1492

tools/%: FORCE

1492

tools/%: FORCE

1493

$(Q)mkdir -p $(objtree)/tools

1493

$(Q)mkdir -p $(objtree)/tools

1494

$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(filter --j% -j,$(MAKEFLAGS))" O=$(objtree) subdir=tools -C $(src)/tools/ $*

1494

$(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(filter --j% -j,$(MAKEFLAGS))" O=$(objtree) subdir=tools -C $(src)/tools/ $*

1495

1496

# Single targets

1496

# Single targets

1497

# ---------------------------------------------------------------------------

1497

# ---------------------------------------------------------------------------

1498

# Single targets are compatible with:

1498

# Single targets are compatible with:

1499

# - build with mixed source and output

1499

# - build with mixed source and output

1500

# - build with separate output dir 'make O=...'

1500

# - build with separate output dir 'make O=...'

1501

# - external modules

1501

# - external modules

1502

#

1502

#

1503

# target-dir => where to store outputfile

1503

# target-dir => where to store outputfile

1504

# build-dir => directory in kernel source tree to use

1504

# build-dir => directory in kernel source tree to use

1505

1506

ifeq ($(KBUILD_EXTMOD),)

1506

ifeq ($(KBUILD_EXTMOD),)

1507

build-dir = $(patsubst %/,%,$(dir $@))

1507

build-dir = $(patsubst %/,%,$(dir $@))

1508

target-dir = $(dir $@)

1508

target-dir = $(dir $@)

1509

else

1509

else

1510

zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@)))

1510

zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@)))

1511

build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash))

1511

build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash))

1512

target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))

1512

target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))

1513

endif

1513

endif

1514

1515

%.s: %.c prepare scripts FORCE

1515

%.s: %.c prepare scripts FORCE

1516