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BranchCommit messageAuthorAge
archive/unc-master-3.0P-FP: fix BUG_ON releated to priority inheritanceBjoern Brandenburg12 years
archived-2013.1uncachedev: mmap memory that is not cached by CPUsGlenn Elliott11 years
archived-private-masterMerge branch 'wip-2.6.34' into old-private-masterAndrea Bastoni15 years
archived-semi-partMerge branch 'wip-semi-part' of ssh://cvs/cvs/proj/litmus/repo/litmus2010 int...Andrea Bastoni14 years
demoFurther refinementsJonathan Herman13 years
ecrts-pgm-finalMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott11 years
ecrts14-pgm-finalMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott11 years
gpusync-rtss12Final GPUSync implementation.Glenn Elliott12 years
gpusync/stagingRename IKGLP R2DGLP.Glenn Elliott11 years
linux-tipMerge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/p...Linus Torvalds14 years
litmus2008-patch-seriesadd i386 feather-trace implementationBjoern B. Brandenburg15 years
masterPSN-EDF: use inferred_sporadic_job_release_atBjoern Brandenburg8 years
pgmmake it compileGlenn Elliott11 years
prop/litmus-signalsInfrastructure for Litmus signals.Glenn Elliott12 years
prop/robust-tie-breakFixed bug in edf_higher_prio().Glenn Elliott12 years
stagingFix tracepoint compilation errorFelipe Cerqueira12 years
test9/23/2016Namhoon Kim8 years
tracing-develTest kernel tracing events capabilitiesAndrea Bastoni15 years
v2.6.34-with-arm-patchessmsc911x: Add spinlocks around registers accessCatalin Marinas15 years
v2015.1Add ARM syscall def for get_current_budgetBjoern Brandenburg9 years
wip-2011.2-bbbLitmus core: simplify np-section protocolBjoern B. Brandenburg13 years
wip-2011.2-bbb-traceRefactor sched_trace_log_message() -> debug_trace_log_message()Andrea Bastoni13 years
wip-2012.3-gpuSOBLIV draining support for C-EDF.Glenn Elliott12 years
wip-2012.3-gpu-preportpick up last C-RM fileGlenn Elliott11 years
wip-2012.3-gpu-rtss13Fix critical bug in GPU tracker.Glenn Elliott11 years
wip-2012.3-gpu-sobliv-budget-w-ksharkProper sobliv draining and many bug fixes.Glenn Elliott12 years
wip-aedzl-finalMake it easier to compile AEDZL interfaces in liblitmus.Glenn Elliott14 years
wip-aedzl-revisedAdd sched_trace data for Apative EDZLGlenn Elliott14 years
wip-arbit-deadlineFix compilation bug.Glenn Elliott12 years
wip-aux-tasksDescription of refined aux task inheritance.Glenn Elliott12 years
wip-bbbGSN-EDF & Core: improve debug TRACE'ing for NP sectionsBjoern B. Brandenburg13 years
wip-bbb-prio-donuse correct timestampBjoern B. Brandenburg13 years
wip-better-breakImplement hash-based EDF tie-breaking.Glenn Elliott12 years
wip-binary-heapMake C-EDF work with simplified binheap_deleteGlenn Elliott13 years
wip-budgetAdded support for choices in budget policy enforcement.Glenn Elliott15 years
wip-colorSummarize schedulability with final recordJonathan Herman13 years
wip-color-jlhsched_color: Fixed two bugs causing crashing on experiment restart and a rare...Jonathan Herman13 years
wip-d10-hz1000Enable HZ=1000 on District 10Bjoern B. Brandenburg14 years
wip-default-clusteringFeature: Make default C-EDF clustering compile-time configurable.Glenn Elliott14 years
wip-dissipation-jericksoUpdate from 2.6.36 to 2.6.36.4Jeremy Erickson11 years
wip-dissipation2-jericksoUpdate 2.6.36 to 2.6.36.4Jeremy Erickson11 years
wip-ecrts14-pgmMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott11 years
wip-edf-hsblast tested versionJonathan Herman13 years
wip-edf-osLookup table EDF-osJeremy Erickson12 years
wip-edf-tie-breakMerge branch 'wip-edf-tie-break' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus...Glenn Elliott12 years
wip-edzl-critiqueUse hr_timer's active checks instead of having own flag.Glenn Elliott14 years
wip-edzl-finalImplementation of the EDZL scheduler.Glenn Elliott14 years
wip-edzl-revisedClean up comments.Glenn Elliott14 years
wip-eventsAdded support for tracing arbitrary actions.Jonathan Herman14 years
wip-extra-debugDBG: add additional tracingBjoern B. Brandenburg14 years
wip-fix-switch-jericksoAttempt to fix race condition with plugin switchingJeremy Erickson14 years
wip-fix3sched: show length of runqueue clock deactivation in /proc/sched_debugBjoern B. Brandenburg14 years
wip-fmlp-dequeueImprove FMLP queue management.Glenn Elliott14 years
wip-ft-irq-flagFeather-Trace: keep track of interrupt-related interference.Bjoern B. Brandenburg13 years
wip-gpu-cleanupEnable sched_trace log injection from userspaceGlenn Elliott12 years
wip-gpu-interruptsRemove option for threading of all softirqs.Glenn Elliott13 years
wip-gpu-rtas12Generalized GPU cost predictors + EWMA. (untested)Glenn Elliott12 years
wip-gpu-rtss12Final GPUSync implementation.Glenn Elliott13 years
wip-gpu-rtss12-srpexperimental changes to support GPUs under SRPGlenn Elliott13 years
wip-gpusync-mergeCleanup priority tracking for budget enforcement.Glenn Elliott11 years
wip-ikglpMove RSM and IKGLP imp. to own .c filesGlenn Elliott13 years
wip-k-fmlpMerge branch 'mpi-master' into wip-k-fmlpGlenn Elliott13 years
wip-kernel-coloringAdded recolor syscallNamhoon Kim7 years
wip-kernthreadsKludge work-queue processing into klitirqd.Glenn Elliott14 years
wip-klmirqd-to-auxAllow klmirqd threads to be given names.Glenn Elliott12 years
wip-ksharkMerge branch 'mpi-staging' into wip-ksharkJonathan Herman12 years
wip-litmus-3.2Merge commit 'v3.2' into litmus-stagingAndrea Bastoni12 years
wip-litmus2011.2Cleanup: Coding conformance for affinity stuff.Glenn Elliott13 years
wip-litmus3.0-2011.2Feather-Trace: keep track of interrupt-related interference.Bjoern B. Brandenburg13 years
wip-master-2.6.33-rtAvoid deadlock when switching task policy to BACKGROUND (ugly)Andrea Bastoni14 years
wip-mcRemoved ARM-specific hacks which disabled less common mixed-criticality featu...Jonathan Herman12 years
wip-mc-bipasaMC-EDF addedbipasa chattopadhyay13 years
wip-mc-jericksoSplit C/D queuesJeremy Erickson14 years
wip-mc2-cache-slackManually patched mc^2 related codeMing Yang9 years
wip-mcrit-maccosmeticMac Mollison14 years
wip-merge-3.0Prevent Linux to send IPI and queue tasks on remote CPUs.Andrea Bastoni13 years
wip-merge-v3.0Prevent Linux to send IPI and queue tasks on remote CPUs.Andrea Bastoni13 years
wip-migration-affinityNULL affinity dereference in C-EDF.Glenn Elliott14 years
wip-mmap-uncacheshare branch with othersGlenn Elliott12 years
wip-modechangeRTSS 2017 submissionNamhoon Kim8 years
wip-nested-lockingAppears to be working.Bryan Ward12 years
wip-omlp-gedfFirst implementation of G-OMLP.Glenn Elliott14 years
wip-paiSome cleanup of PAIGlenn Elliott13 years
wip-percore-lib9/21/2016Namhoon Kim8 years
wip-performanceCONFIG_DONT_PREEMPT_ON_TIE: Don't preeempt a scheduled task on priority tie.Glenn Elliott14 years
wip-pgmAdd PGM support to C-FLGlenn Elliott11 years
wip-pgm-splitFirst draft of C-FL-splitNamhoon Kim11 years
wip-pm-ovdAdd preemption-and-migration overhead tracing supportAndrea Bastoni15 years
wip-prio-inhP-EDF updated to use the generic pi framework.Glenn Elliott14 years
wip-prioq-dglBUG FIX: Support DGLs with PRIOQ_MUTEXGlenn Elliott12 years
wip-refactored-gedfGeneralizd architecture for GEDF-style scheduelrs to reduce code redundancy.Glenn Elliott14 years
wip-release-master-fixbugfix: release master CPU must signal task was pickedBjoern B. Brandenburg14 years
wip-robust-tie-breakEDF priority tie-breaks.Glenn Elliott12 years
wip-rt-ksharkMove task time accounting into the complete_job method.Jonathan Herman12 years
wip-rtas12-pgmScheduling of PGM jobs.Glenn Elliott12 years
wip-semi-partFix compile error with newer GCCJeremy Erickson12 years
wip-semi-part-edfos-jericksoUse initial CPU set by clientJeremy Erickson12 years
wip-shared-libTODO: Fix condition checks in replicate_page_move_mapping()Namhoon Kim8 years
wip-shared-lib2RTAS 2017 Submission ver.Namhoon Kim8 years
wip-shared-memInitial commit for shared libraryNamhoon Kim8 years
wip-splitting-jericksoFix release behaviorJeremy Erickson12 years
wip-splitting-omlp-jericksoBjoern's Dissertation Code with Priority DonationJeremy Erickson12 years
wip-stage-binheapAn efficient binary heap implementation.Glenn Elliott13 years
wip-sun-portDynamic memory allocation and clean exit for FeatherTraceChristopher Kenna14 years
wip-timer-tracebugfix: C-EDF, clear scheduled field of the correct CPU upon task_exitAndrea Bastoni14 years
wip-tracepointsAdd kernel-style events for sched_trace_XXX() functionsAndrea Bastoni13 years
 
TagDownloadAuthorAge
2015.1commit 8e51b37822...Bjoern Brandenburg9 years
2013.1commit bcaacec1ca...Glenn Elliott11 years
2012.3commit c158b5fbe4...Jonathan Herman12 years
2012.2commit b53c479a0f...Glenn Elliott12 years
2012.1commit 83b11ea1c6...Bjoern B. Brandenburg13 years
rtas12-mc-beta-expcommit 8e236ee20f...Christopher Kenna13 years
2011.1commit d11808b5c6...Christopher Kenna14 years
v2.6.37-rc4commit e8a7e48bb2...Linus Torvalds14 years
v2.6.37-rc3commit 3561d43fd2...Linus Torvalds14 years
v2.6.37-rc2commit e53beacd23...Linus Torvalds14 years
v2.6.37-rc1commit c8ddb2713c...Linus Torvalds14 years
v2.6.36commit f6f94e2ab1...Linus Torvalds14 years
2010.2commit 5c5456402d...Bjoern B. Brandenburg14 years
v2.6.36-rc8commit cd07202cc8...Linus Torvalds14 years
v2.6.36-rc7commit cb655d0f3d...Linus Torvalds14 years
v2.6.36-rc6commit 899611ee7d...Linus Torvalds14 years
v2.6.36-rc5commit b30a3f6257...Linus Torvalds14 years
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v2.6.36-rc3commit 2bfc96a127...Linus Torvalds14 years
v2.6.36-rc2commit 76be97c1fc...Linus Torvalds14 years
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v2.6.35-rc3commit 7e27d6e778...Linus Torvalds14 years
v2.6.35-rc2commit e44a21b726...Linus Torvalds15 years
v2.6.35-rc1commit 67a3e12b05...Linus Torvalds15 years
2010.1commit 7c1ff4c544...Andrea Bastoni15 years
v2.6.34commit e40152ee1e...Linus Torvalds15 years
v2.6.33.4commit 4640b4e7d9...Greg Kroah-Hartman15 years
v2.6.34-rc7commit b57f95a382...Linus Torvalds15 years
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v2.6.33.3commit 3e7ad8ed97...Greg Kroah-Hartman15 years
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v2.6.15-rc1commit cd52d1ee9a...Linus Torvalds19 years
v2.6.14commit 741b2252a5...Linus Torvalds19 years
v2.6.14-rc5commit 93918e9afc...Linus Torvalds19 years
v2.6.14-rc4commit 907a426179...Linus Torvalds19 years
v2.6.14-rc3commit 1c9426e8a5...Linus Torvalds19 years
v2.6.14-rc2commit 676d55ae30...Linus Torvalds19 years
v2.6.14-rc1commit 2f4ba45a75...Linus Torvalds19 years
v2.6.13commit 02b3e4e2d7...Linus Torvalds19 years
v2.6.13-rc7commit 0572e3da3f...Linus Torvalds19 years
v2.6.13-rc6commit 6fc32179de...Linus Torvalds19 years
v2.6.13-rc5commit 9a351e30d7...Linus Torvalds19 years
v2.6.13-rc4commit 6395352334...Linus Torvalds19 years
v2.6.11tree c39ae07f39...
v2.6.11-treetree c39ae07f39...
v2.6.12commit 9ee1c939d1...
v2.6.12-rc2commit 1da177e4c3...
v2.6.12-rc3commit a2755a80f4...
v2.6.12-rc4commit 88d7bd8cb9...
v2.6.12-rc5commit 2a24ab628a...
v2.6.12-rc6commit 7cef5677ef...
v2.6.13-rc1commit 4c91aedb75...
v2.6.13-rc2commit a18bcb7450...
v2.6.13-rc3commit c32511e271...
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VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 23
EXTRAVERSION =-rc2
NAME = Holy Dancing Manatees, Batman!

# *DOCUMENTATION*
# To see a list of typical targets execute "make help"
# More info can be located in ./README
# Comments in this file are targeted only to the developer, do not
# expect to learn how to build the kernel reading this file.

# Do not:
# o  use make's built-in rules and variables
#    (this increases performance and avoid hard-to-debug behavour);
# o  print "Entering directory ...";
MAKEFLAGS += -rR --no-print-directory

# We are using a recursive build, so we need to do a little thinking
# to get the ordering right.
#
# Most importantly: sub-Makefiles should only ever modify files in
# their own directory. If in some directory we have a dependency on
# a file in another dir (which doesn't happen often, but it's often
# unavoidable when linking the built-in.o targets which finally
# turn into vmlinux), we will call a sub make in that other dir, and
# after that we are sure that everything which is in that other dir
# is now up to date.
#
# The only cases where we need to modify files which have global
# effects are thus separated out and done before the recursive
# descending is started. They are now explicitly listed as the
# prepare rule.

# To put more focus on warnings, be less verbose as default
# Use 'make V=1' to see the full commands

ifdef V
  ifeq ("$(origin V)", "command line")
    KBUILD_VERBOSE = $(V)
  endif
endif
ifndef KBUILD_VERBOSE
  KBUILD_VERBOSE = 0
endif

# Call a source code checker (by default, "sparse") as part of the
# C compilation.
#
# Use 'make C=1' to enable checking of only re-compiled files.
# Use 'make C=2' to enable checking of *all* source files, regardless
# of whether they are re-compiled or not.
#
# See the file "Documentation/sparse.txt" for more details, including
# where to get the "sparse" utility.

ifdef C
  ifeq ("$(origin C)", "command line")
    KBUILD_CHECKSRC = $(C)
  endif
endif
ifndef KBUILD_CHECKSRC
  KBUILD_CHECKSRC = 0
endif

# Use make M=dir to specify directory of external module to build
# Old syntax make ... SUBDIRS=$PWD is still supported
# Setting the environment variable KBUILD_EXTMOD take precedence
ifdef SUBDIRS
  KBUILD_EXTMOD ?= $(SUBDIRS)
endif
ifdef M
  ifeq ("$(origin M)", "command line")
    KBUILD_EXTMOD := $(M)
  endif
endif


# kbuild supports saving output files in a separate directory.
# To locate output files in a separate directory two syntaxes are supported.
# In both cases the working directory must be the root of the kernel src.
# 1) O=
# Use "make O=dir/to/store/output/files/"
#
# 2) Set KBUILD_OUTPUT
# Set the environment variable KBUILD_OUTPUT to point to the directory
# where the output files shall be placed.
# export KBUILD_OUTPUT=dir/to/store/output/files/
# make
#
# The O= assignment takes precedence over the KBUILD_OUTPUT environment
# variable.


# KBUILD_SRC is set on invocation of make in OBJ directory
# KBUILD_SRC is not intended to be used by the regular user (for now)
ifeq ($(KBUILD_SRC),)

# OK, Make called in directory where kernel src resides
# Do we want to locate output files in a separate directory?
ifdef O
  ifeq ("$(origin O)", "command line")
    KBUILD_OUTPUT := $(O)
  endif
endif

# That's our default target when none is given on the command line
PHONY := _all
_all:

ifneq ($(KBUILD_OUTPUT),)
# Invoke a second make in the output directory, passing relevant variables
# check that the output directory actually exists
saved-output := $(KBUILD_OUTPUT)
KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
$(if $(KBUILD_OUTPUT),, \
     $(error output directory "$(saved-output)" does not exist))

PHONY += $(MAKECMDGOALS)

$(filter-out _all,$(MAKECMDGOALS)) _all:
	$(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \
	KBUILD_SRC=$(CURDIR) \
	KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile $@

# Leave processing to above invocation of make
skip-makefile := 1
endif # ifneq ($(KBUILD_OUTPUT),)
endif # ifeq ($(KBUILD_SRC),)

# We process the rest of the Makefile if this is the final invocation of make
ifeq ($(skip-makefile),)

# If building an external module we do not care about the all: rule
# but instead _all depend on modules
PHONY += all
ifeq ($(KBUILD_EXTMOD),)
_all: all
else
_all: modules
endif

srctree		:= $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR))
TOPDIR		:= $(srctree)
# FIXME - TOPDIR is obsolete, use srctree/objtree
objtree		:= $(CURDIR)
src		:= $(srctree)
obj		:= $(objtree)

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

export srctree objtree VPATH TOPDIR


# SUBARCH tells the usermode build what the underlying arch is.  That is set
# first, and if a usermode build is happening, the "ARCH=um" on the command
# line overrides the setting of ARCH below.  If a native build is happening,
# then ARCH is assigned, getting whatever value it gets normally, and 
# SUBARCH is subsequently ignored.

SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
				  -e s/arm.*/arm/ -e s/sa110/arm/ \
				  -e s/s390x/s390/ -e s/parisc64/parisc/ \
				  -e s/ppc.*/powerpc/ -e s/mips.*/mips/ )

# Cross compiling and selecting different set of gcc/bin-utils
# ---------------------------------------------------------------------------
#
# When performing cross compilation for other architectures ARCH shall be set
# to the target architecture. (See arch/* for the possibilities).
# ARCH can be set during invocation of make:
# make ARCH=ia64
# Another way is to have ARCH set in the environment.
# The default ARCH is the host where make is executed.

# CROSS_COMPILE specify the prefix used for all executables used
# during compilation. Only gcc and related bin-utils executables
# are prefixed with $(CROSS_COMPILE).
# CROSS_COMPILE can be set on the command line
# make CROSS_COMPILE=ia64-linux-
# Alternatively CROSS_COMPILE can be set in the environment.
# Default value for CROSS_COMPILE is not to prefix executables
# Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile

ARCH		?= $(SUBARCH)
CROSS_COMPILE	?=

# Architecture as present in compile.h
UTS_MACHINE := $(ARCH)

KCONFIG_CONFIG	?= .config

# SHELL used by kbuild
CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
	  else if [ -x /bin/bash ]; then echo /bin/bash; \
	  else echo sh; fi ; fi)

HOSTCC       = gcc
HOSTCXX      = g++
HOSTCFLAGS   = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
HOSTCXXFLAGS = -O2

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

KBUILD_MODULES :=
KBUILD_BUILTIN := 1

#	If we have only "make modules", don't compile built-in objects.
#	When we're building modules with modversions, we need to consider
#	the built-in objects during the descend as well, in order to
#	make sure the checksums are up to date before we record them.

ifeq ($(MAKECMDGOALS),modules)
  KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1)
endif

#	If we have "make <whatever> modules", compile modules
#	in addition to whatever we do anyway.
#	Just "make" or "make all" shall build modules as well

ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
  KBUILD_MODULES := 1
endif

ifeq ($(MAKECMDGOALS),)
  KBUILD_MODULES := 1
endif

export KBUILD_MODULES KBUILD_BUILTIN
export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD

# Beautify output
# ---------------------------------------------------------------------------
#
# Normally, we echo the whole command before executing it. By making
# that echo $($(quiet)$(cmd)), we now have the possibility to set
# $(quiet) to choose other forms of output instead, e.g.
#
#         quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
#         cmd_cc_o_c       = $(CC) $(c_flags) -c -o $@ $<
#
# If $(quiet) is empty, the whole command will be printed.
# If it is set to "quiet_", only the short version will be printed. 
# If it is set to "silent_", nothing will be printed at all, since
# the variable $(silent_cmd_cc_o_c) doesn't exist.
#
# A simple variant is to prefix commands with $(Q) - that's useful
# for commands that shall be hidden in non-verbose mode.
#
#	$(Q)ln $@ :<
#
# If KBUILD_VERBOSE equals 0 then the above command will be hidden.
# If KBUILD_VERBOSE equals 1 then the above command is displayed.

ifeq ($(KBUILD_VERBOSE),1)
  quiet =
  Q =
else
  quiet=quiet_
  Q = @
endif

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

ifneq ($(findstring s,$(MAKEFLAGS)),)
  quiet=silent_
endif

export quiet Q KBUILD_VERBOSE


# Look for make include files relative to root of kernel src
MAKEFLAGS += --include-dir=$(srctree)

# We need some generic definitions.
include $(srctree)/scripts/Kbuild.include

# Make variables (CC, etc...)

AS		= $(CROSS_COMPILE)as
LD		= $(CROSS_COMPILE)ld
CC		= $(CROSS_COMPILE)gcc
CPP		= $(CC) -E
AR		= $(CROSS_COMPILE)ar
NM		= $(CROSS_COMPILE)nm
STRIP		= $(CROSS_COMPILE)strip
OBJCOPY		= $(CROSS_COMPILE)objcopy
OBJDUMP		= $(CROSS_COMPILE)objdump
AWK		= awk
GENKSYMS	= scripts/genksyms/genksyms
DEPMOD		= /sbin/depmod
KALLSYMS	= scripts/kallsyms
PERL		= perl
CHECK		= sparse

CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise $(CF)
MODFLAGS	= -DMODULE
CFLAGS_MODULE   = $(MODFLAGS)
AFLAGS_MODULE   = $(MODFLAGS)
LDFLAGS_MODULE  =
CFLAGS_KERNEL	=
AFLAGS_KERNEL	=


# Use LINUXINCLUDE when you must reference the include/ directory.
# Needed to be compatible with the O= option
LINUXINCLUDE    := -Iinclude \
                   $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) \
		   -include include/linux/autoconf.h

CPPFLAGS        := -D__KERNEL__ $(LINUXINCLUDE)

CFLAGS          := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
		   -fno-strict-aliasing -fno-common \
		   -Werror-implicit-function-declaration
AFLAGS          := -D__ASSEMBLY__

# Read KERNELRELEASE from include/config/kernel.release (if it exists)
KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
KERNELVERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)

export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION
export ARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC
export CPP AR NM STRIP OBJCOPY OBJDUMP MAKE AWK GENKSYMS PERL UTS_MACHINE
export HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS

export CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS
export CFLAGS CFLAGS_KERNEL CFLAGS_MODULE
export AFLAGS AFLAGS_KERNEL AFLAGS_MODULE

# When compiling out-of-tree modules, put MODVERDIR in the module
# tree rather than in the kernel tree. The kernel tree might
# even be read-only.
export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions

# Files to ignore in find ... statements

RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS -o -name .pc -o -name .hg -o -name .git \) -prune -o
export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn --exclude CVS --exclude .pc --exclude .hg --exclude .git

# ===========================================================================
# Rules shared between *config targets and build targets

# Basic helpers built in scripts/
PHONY += scripts_basic
scripts_basic:
	$(Q)$(MAKE) $(build)=scripts/basic

# To avoid any implicit rule to kick in, define an empty command.
scripts/basic/%: scripts_basic ;

PHONY += outputmakefile
# outputmakefile generates a Makefile in the output directory, if using a
# separate output directory. This allows convenient use of make in the
# output directory.
outputmakefile:
ifneq ($(KBUILD_SRC),)
	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
	    $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
endif

# To make sure we do not include .config for any of the *config targets
# catch them early, and hand them over to scripts/kconfig/Makefile
# It is allowed to specify more targets when calling make, including
# mixing *config targets and build targets.
# For example 'make oldconfig all'.
# Detect when mixed targets is specified, and make a second invocation
# of make so .config is not included in this case either (for *config).

no-dot-config-targets := clean mrproper distclean \
			 cscope TAGS tags help %docs check% \
			 include/linux/version.h headers_% \
			 kernelrelease kernelversion

config-targets := 0
mixed-targets  := 0
dot-config     := 1

ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
	ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)
		dot-config := 0
	endif
endif

ifeq ($(KBUILD_EXTMOD),)
        ifneq ($(filter config %config,$(MAKECMDGOALS)),)
                config-targets := 1
                ifneq ($(filter-out config %config,$(MAKECMDGOALS)),)
                        mixed-targets := 1
                endif
        endif
endif

ifeq ($(mixed-targets),1)
# ===========================================================================
# We're called with mixed targets (*config and build targets).
# Handle them one by one.

%:: FORCE
	$(Q)$(MAKE) -C $(srctree) KBUILD_SRC= $@

else
ifeq ($(config-targets),1)
# ===========================================================================
# *config targets only - make sure prerequisites are updated, and descend
# in scripts/kconfig to make the *config target

# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.
# KBUILD_DEFCONFIG may point out an alternative default configuration
# used for 'make defconfig'
include $(srctree)/arch/$(ARCH)/Makefile
export KBUILD_DEFCONFIG

config %config: scripts_basic outputmakefile FORCE
	$(Q)mkdir -p include/linux include/config
	$(Q)$(MAKE) $(build)=scripts/kconfig $@

else
# ===========================================================================
# Build targets only - this includes vmlinux, arch specific targets, clean
# targets and others. In general all targets except *config targets.

ifeq ($(KBUILD_EXTMOD),)
# Additional helpers built in scripts/
# Carefully list dependencies so we do not try to build scripts twice
# in parallel
PHONY += scripts
scripts: scripts_basic include/config/auto.conf
	$(Q)$(MAKE) $(build)=$(@)

# Objects we will link into vmlinux / subdirs we need to visit
init-y		:= init/
drivers-y	:= drivers/ sound/
net-y		:= net/
libs-y		:= lib/
core-y		:= usr/
endif # KBUILD_EXTMOD

ifeq ($(dot-config),1)
# Read in config
-include include/config/auto.conf

ifeq ($(KBUILD_EXTMOD),)
# Read in dependencies to all Kconfig* files, make sure to run
# oldconfig if changes are detected.
-include include/config/auto.conf.cmd

# To avoid any implicit rule to kick in, define an empty command
$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;

# If .config is newer than include/config/auto.conf, someone tinkered
# with it and forgot to run make oldconfig.
# if auto.conf.cmd is missing then we are probably in a cleaned tree so
# we execute the config step to be sure to catch updated Kconfig files
include/config/auto.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
	$(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
else
# external modules needs include/linux/autoconf.h and include/config/auto.conf
# but do not care if they are up-to-date. Use auto.conf to trigger the test
PHONY += include/config/auto.conf

include/config/auto.conf:
	$(Q)test -e include/linux/autoconf.h -a -e $@ || (		\
	echo;								\
	echo "  ERROR: Kernel configuration is invalid.";		\
	echo "         include/linux/autoconf.h or $@ are missing.";	\
	echo "         Run 'make oldconfig && make prepare' on kernel src to fix it.";	\
	echo;								\
	/bin/false)

endif # KBUILD_EXTMOD

else
# Dummy target needed, because used as prerequisite
include/config/auto.conf: ;
endif # $(dot-config)

# The all: target is the default when no target is given on the
# command line.
# This allow a user to issue only 'make' to build a kernel including modules
# Defaults vmlinux but it is usually overridden in the arch makefile
all: vmlinux

ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
CFLAGS		+= -Os
else
CFLAGS		+= -O2
endif

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

ifdef CONFIG_FRAME_POINTER
CFLAGS		+= -fno-omit-frame-pointer -fno-optimize-sibling-calls
else
CFLAGS		+= -fomit-frame-pointer
endif

ifdef CONFIG_DEBUG_INFO
CFLAGS		+= -g
endif

# Force gcc to behave correct even for buggy distributions
CFLAGS          += $(call cc-option, -fno-stack-protector)

# arch Makefile may override CC so keep this after arch Makefile is included
NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
CHECKFLAGS     += $(NOSTDINC_FLAGS)

# warn about C99 declaration after statement
CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)

# disable pointer signed / unsigned warnings in gcc 4.0
CFLAGS += $(call cc-option,-Wno-pointer-sign,)

# Use --build-id when available.
LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\
			      $(call ld-option, -Wl$(comma)--build-id,))
LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)
LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID)

# Default kernel image to build when no specific target is given.
# KBUILD_IMAGE may be overruled on the command line or
# set in the environment
# Also any assignments in arch/$(ARCH)/Makefile take precedence over
# this default value
export KBUILD_IMAGE ?= vmlinux

#
# INSTALL_PATH specifies where to place the updated kernel and system map
# images. Default is /boot, but you can set it to other values
export	INSTALL_PATH ?= /boot

#
# INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory
# relocations required by build roots.  This is not defined in the
# makefile but the argument can be passed to make if needed.
#

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

#
#  INSTALL_MOD_STRIP, if defined, will cause modules to be
#  stripped after they are installed.  If INSTALL_MOD_STRIP is '1', then
#  the default option --strip-debug will be used.  Otherwise,
#  INSTALL_MOD_STRIP will used as the options to the strip command.

ifdef INSTALL_MOD_STRIP
ifeq ($(INSTALL_MOD_STRIP),1)
mod_strip_cmd = $(STRIP) --strip-debug
else
mod_strip_cmd = $(STRIP) $(INSTALL_MOD_STRIP)
endif # INSTALL_MOD_STRIP=1
else
mod_strip_cmd = true
endif # INSTALL_MOD_STRIP
export mod_strip_cmd


ifeq ($(KBUILD_EXTMOD),)
core-y		+= kernel/ mm/ fs/ ipc/ security/ crypto/ block/

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

vmlinux-alldirs	:= $(sort $(vmlinux-dirs) $(patsubst %/,%,$(filter %/, \
		     $(init-n) $(init-) \
		     $(core-n) $(core-) $(drivers-n) $(drivers-) \
		     $(net-n)  $(net-)  $(libs-n)    $(libs-))))

init-y		:= $(patsubst %/, %/built-in.o, $(init-y))
core-y		:= $(patsubst %/, %/built-in.o, $(core-y))
drivers-y	:= $(patsubst %/, %/built-in.o, $(drivers-y))
net-y		:= $(patsubst %/, %/built-in.o, $(net-y))
libs-y1		:= $(patsubst %/, %/lib.a, $(libs-y))
libs-y2		:= $(patsubst %/, %/built-in.o, $(libs-y))
libs-y		:= $(libs-y1) $(libs-y2)

# Build vmlinux
# ---------------------------------------------------------------------------
# vmlinux is built from the objects selected by $(vmlinux-init) and
# $(vmlinux-main). Most are built-in.o files from top-level directories
# in the kernel tree, others are specified in arch/$(ARCH)/Makefile.
# Ordering when linking is important, and $(vmlinux-init) must be first.
#
# vmlinux
#   ^
#   |
#   +-< $(vmlinux-init)
#   |   +--< init/version.o + more
#   |
#   +--< $(vmlinux-main)
#   |    +--< driver/built-in.o mm/built-in.o + more
#   |
#   +-< kallsyms.o (see description in CONFIG_KALLSYMS section)
#
# vmlinux version (uname -v) cannot be updated during normal
# descending-into-subdirs phase since we do not yet know if we need to
# update vmlinux.
# Therefore this step is delayed until just before final link of vmlinux -
# except in the kallsyms case where it is done just before adding the
# symbols to the kernel.
#
# System.map is generated to document addresses of all kernel symbols

vmlinux-init := $(head-y) $(init-y)
vmlinux-main := $(core-y) $(libs-y) $(drivers-y) $(net-y)
vmlinux-all  := $(vmlinux-init) $(vmlinux-main)
vmlinux-lds  := arch/$(ARCH)/kernel/vmlinux.lds
export KBUILD_VMLINUX_OBJS := $(vmlinux-all)

# Rule to link vmlinux - also used during CONFIG_KALLSYMS
# May be overridden by arch/$(ARCH)/Makefile
quiet_cmd_vmlinux__ ?= LD      $@
      cmd_vmlinux__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) -o $@ \
      -T $(vmlinux-lds) $(vmlinux-init)                          \
      --start-group $(vmlinux-main) --end-group                  \
      $(filter-out $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) vmlinux.o FORCE ,$^)

# Generate new vmlinux version
quiet_cmd_vmlinux_version = GEN     .version
      cmd_vmlinux_version = set -e;                     \
	if [ ! -r .version ]; then			\
	  rm -f .version;				\
	  echo 1 >.version;				\
	else						\
	  mv .version .old_version;			\
	  expr 0$$(cat .old_version) + 1 >.version;	\
	fi;						\
	$(MAKE) $(build)=init

# Generate System.map
quiet_cmd_sysmap = SYSMAP
      cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap

# Link of vmlinux
# If CONFIG_KALLSYMS is set .version is already updated
# Generate System.map and verify that the content is consistent
# Use + in front of the vmlinux_version rule to silent warning with make -j2
# First command is ':' to allow us to use + in front of the rule
define rule_vmlinux__
	:
	$(if $(CONFIG_KALLSYMS),,+$(call cmd,vmlinux_version))

	$(call cmd,vmlinux__)
	$(Q)echo 'cmd_$@ := $(cmd_vmlinux__)' > $(@D)/.$(@F).cmd

	$(Q)$(if $($(quiet)cmd_sysmap),                                      \
	  echo '  $($(quiet)cmd_sysmap)  System.map' &&)                     \
	$(cmd_sysmap) $@ System.map;                                         \
	if [ $$? -ne 0 ]; then                                               \
		rm -f $@;                                                    \
		/bin/false;                                                  \
	fi;
	$(verify_kallsyms)
endef


ifdef CONFIG_KALLSYMS
# Generate section listing all symbols and add it into vmlinux $(kallsyms.o)
# It's a three stage process:
# o .tmp_vmlinux1 has all symbols and sections, but __kallsyms is
#   empty
#   Running kallsyms on that gives us .tmp_kallsyms1.o with
#   the right size - vmlinux version (uname -v) is updated during this step
# o .tmp_vmlinux2 now has a __kallsyms section of the right size,
#   but due to the added section, some addresses have shifted.
#   From here, we generate a correct .tmp_kallsyms2.o
# o The correct .tmp_kallsyms2.o is linked into the final vmlinux.
# o Verify that the System.map from vmlinux matches the map from
#   .tmp_vmlinux2, just in case we did not generate kallsyms correctly.
# o If CONFIG_KALLSYMS_EXTRA_PASS is set, do an extra pass using
#   .tmp_vmlinux3 and .tmp_kallsyms3.o.  This is only meant as a
#   temporary bypass to allow the kernel to be built while the
#   maintainers work out what went wrong with kallsyms.

ifdef CONFIG_KALLSYMS_EXTRA_PASS
last_kallsyms := 3
else
last_kallsyms := 2
endif

kallsyms.o := .tmp_kallsyms$(last_kallsyms).o

define verify_kallsyms
	$(Q)$(if $($(quiet)cmd_sysmap),                                      \
	  echo '  $($(quiet)cmd_sysmap)  .tmp_System.map' &&)                \
	  $(cmd_sysmap) .tmp_vmlinux$(last_kallsyms) .tmp_System.map
	$(Q)cmp -s System.map .tmp_System.map ||                             \
		(echo Inconsistent kallsyms data;                            \
		 echo Try setting CONFIG_KALLSYMS_EXTRA_PASS;                \
		 rm .tmp_kallsyms* ; /bin/false )
endef

# Update vmlinux version before link
# Use + in front of this rule to silent warning about make -j1
# First command is ':' to allow us to use + in front of this rule
cmd_ksym_ld = $(cmd_vmlinux__)
define rule_ksym_ld
	: 
	+$(call cmd,vmlinux_version)
	$(call cmd,vmlinux__)
	$(Q)echo 'cmd_$@ := $(cmd_vmlinux__)' > $(@D)/.$(@F).cmd
endef

# Generate .S file with all kernel symbols
quiet_cmd_kallsyms = KSYM    $@
      cmd_kallsyms = $(NM) -n $< | $(KALLSYMS) \
                     $(if $(CONFIG_KALLSYMS_ALL),--all-symbols) > $@

.tmp_kallsyms1.o .tmp_kallsyms2.o .tmp_kallsyms3.o: %.o: %.S scripts FORCE
	$(call if_changed_dep,as_o_S)

.tmp_kallsyms%.S: .tmp_vmlinux% $(KALLSYMS)
	$(call cmd,kallsyms)

# .tmp_vmlinux1 must be complete except kallsyms, so update vmlinux version
.tmp_vmlinux1: $(vmlinux-lds) $(vmlinux-all) FORCE
	$(call if_changed_rule,ksym_ld)

.tmp_vmlinux2: $(vmlinux-lds) $(vmlinux-all) .tmp_kallsyms1.o FORCE
	$(call if_changed,vmlinux__)

.tmp_vmlinux3: $(vmlinux-lds) $(vmlinux-all) .tmp_kallsyms2.o FORCE
	$(call if_changed,vmlinux__)

# Needs to visit scripts/ before $(KALLSYMS) can be used.
$(KALLSYMS): scripts ;

# Generate some data for debugging strange kallsyms problems
debug_kallsyms: .tmp_map$(last_kallsyms)

.tmp_map%: .tmp_vmlinux% FORCE
	($(OBJDUMP) -h $< | $(AWK) '/^ +[0-9]/{print $$4 " 0 " $$2}'; $(NM) $<) | sort > $@

.tmp_map3: .tmp_map2

.tmp_map2: .tmp_map1

endif # ifdef CONFIG_KALLSYMS

# Do modpost on a prelinked vmlinux. The finally linked vmlinux has
# relevant sections renamed as per the linker script.
quiet_cmd_vmlinux-modpost = LD      $@
      cmd_vmlinux-modpost = $(LD) $(LDFLAGS) -r -o $@                          \
	 $(vmlinux-init) --start-group $(vmlinux-main) --end-group             \
	 $(filter-out $(vmlinux-init) $(vmlinux-main) $(vmlinux-lds) FORCE ,$^)
define rule_vmlinux-modpost
	:
	+$(call cmd,vmlinux-modpost)
	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost $@
	$(Q)echo 'cmd_$@ := $(cmd_vmlinux-modpost)' > $(dot-target).cmd
endef

# vmlinux image - including updated kernel symbols
vmlinux: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) $(kallsyms.o) vmlinux.o FORCE
ifdef CONFIG_HEADERS_CHECK
	$(Q)$(MAKE) -f $(srctree)/Makefile headers_check
endif
	$(call vmlinux-modpost)
	$(call if_changed_rule,vmlinux__)
	$(Q)rm -f .old_version

vmlinux.o: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) $(kallsyms.o) FORCE
	$(call if_changed_rule,vmlinux-modpost)

# The actual objects are generated when descending, 
# make sure no implicit rule kicks in
$(sort $(vmlinux-init) $(vmlinux-main)) $(vmlinux-lds): $(vmlinux-dirs) ;

# Handle descending into subdirectories listed in $(vmlinux-dirs)
# Preset locale variables to speed up the build process. Limit locale
# tweaks to this spot to avoid wrong language settings when running
# make menuconfig etc.
# Error messages still appears in the original language

PHONY += $(vmlinux-dirs)
$(vmlinux-dirs): prepare scripts
	$(Q)$(MAKE) $(build)=$@

# Build the kernel release string
#
# The KERNELRELEASE value built here is stored in the file
# include/config/kernel.release, and is used when executing several
# make targets, such as "make install" or "make modules_install."
#
# The eventual kernel release string consists of the following fields,
# shown in a hierarchical format to show how smaller parts are concatenated
# to form the larger and final value, with values coming from places like
# the Makefile, kernel config options, make command line options and/or
# SCM tag information.
#
#	$(KERNELVERSION)
#	  $(VERSION)			eg, 2
#	  $(PATCHLEVEL)			eg, 6
#	  $(SUBLEVEL)			eg, 18
#	  $(EXTRAVERSION)		eg, -rc6
#	$(localver-full)
#	  $(localver)
#	    localversion*		(files without backups, containing '~')
#	    $(CONFIG_LOCALVERSION)	(from kernel config setting)
#	  $(localver-auto)		(only if CONFIG_LOCALVERSION_AUTO is set)
#	    ./scripts/setlocalversion	(SCM tag, if one exists)
#	    $(LOCALVERSION)		(from make command line if provided)
#
#  Note how the final $(localver-auto) string is included *only* if the
# kernel config option CONFIG_LOCALVERSION_AUTO is selected.  Also, at the
# moment, only git is supported but other SCMs can edit the script
# scripts/setlocalversion and add the appropriate checks as needed.

pattern = ".*/localversion[^~]*"
string  = $(shell cat /dev/null \
	   `find $(objtree) $(srctree) -maxdepth 1 -regex $(pattern) | sort -u`)

localver = $(subst $(space),, $(string) \
			      $(patsubst "%",%,$(CONFIG_LOCALVERSION)))

# If CONFIG_LOCALVERSION_AUTO is set scripts/setlocalversion is called
# and if the SCM is know a tag from the SCM is appended.
# The appended tag is determined by the SCM used.
#
# Currently, only git is supported.
# Other SCMs can edit scripts/setlocalversion and add the appropriate
# checks as needed.
ifdef CONFIG_LOCALVERSION_AUTO
	_localver-auto = $(shell $(CONFIG_SHELL) \
	                  $(srctree)/scripts/setlocalversion $(srctree))
	localver-auto  = $(LOCALVERSION)$(_localver-auto)
endif

localver-full = $(localver)$(localver-auto)

# Store (new) KERNELRELASE string in include/config/kernel.release
kernelrelease = $(KERNELVERSION)$(localver-full)
include/config/kernel.release: include/config/auto.conf FORCE
	$(Q)rm -f $@
	$(Q)echo $(kernelrelease) > $@


# Things we need to do before we recursively start building the kernel
# or the modules are listed in "prepare".
# A multi level approach is used. prepareN is processed before prepareN-1.
# archprepare is used in arch Makefiles and when processed asm symlink,
# version.h and scripts_basic is processed / created.

# Listed in dependency order
PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3

# prepare3 is used to check if we are building in a separate output directory,
# and if so do:
# 1) Check that make has not been executed in the kernel src $(srctree)
# 2) Create the include2 directory, used for the second asm symlink
prepare3: include/config/kernel.release
ifneq ($(KBUILD_SRC),)
	@echo '  Using $(srctree) as source for kernel'
	$(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
		echo "  $(srctree) is not clean, please run 'make mrproper'";\
		echo "  in the '$(srctree)' directory.";\
		/bin/false; \
	fi;
	$(Q)if [ ! -d include2 ]; then mkdir -p include2; fi;
	$(Q)ln -fsn $(srctree)/include/asm-$(ARCH) include2/asm
endif

# prepare2 creates a makefile if using a separate output directory
prepare2: prepare3 outputmakefile

prepare1: prepare2 include/linux/version.h include/linux/utsrelease.h \
                   include/asm include/config/auto.conf
ifneq ($(KBUILD_MODULES),)
	$(Q)mkdir -p $(MODVERDIR)
	$(Q)rm -f $(MODVERDIR)/*
endif

archprepare: prepare1 scripts_basic

prepare0: archprepare FORCE
	$(Q)$(MAKE) $(build)=.
	$(Q)$(MAKE) $(build)=. missing-syscalls

# All the preparing..
prepare: prepare0

# Leave this as default for preprocessing vmlinux.lds.S, which is now
# done in arch/$(ARCH)/kernel/Makefile

export CPPFLAGS_vmlinux.lds += -P -C -U$(ARCH)

# FIXME: The asm symlink changes when $(ARCH) changes. That's
# hard to detect, but I suppose "make mrproper" is a good idea
# before switching between archs anyway.

include/asm:
	@echo '  SYMLINK $@ -> include/asm-$(ARCH)'
	$(Q)if [ ! -d include ]; then mkdir -p include; fi;
	@ln -fsn asm-$(ARCH) $@

# Generate some files
# ---------------------------------------------------------------------------

# KERNELRELEASE can change from a few different places, meaning version.h
# needs to be updated, so this check is forced on all builds

uts_len := 64
define filechk_utsrelease.h
	if [ `echo -n "$(KERNELRELEASE)" | wc -c ` -gt $(uts_len) ]; then \
	  echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2;    \
	  exit 1;                                                         \
	fi;                                                               \
	(echo \#define UTS_RELEASE \"$(KERNELRELEASE)\";)
endef

define filechk_version.h
	(echo \#define LINUX_VERSION_CODE $(shell                             \
	expr $(VERSION) \* 65536 + $(PATCHLEVEL) \* 256 + $(SUBLEVEL));     \
	echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';)
endef

include/linux/version.h: $(srctree)/Makefile FORCE
	$(call filechk,version.h)

include/linux/utsrelease.h: include/config/kernel.release FORCE
	$(call filechk,utsrelease.h)

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

PHONY += depend dep
depend dep:
	@echo '*** Warning: make $@ is unnecessary now.'

# ---------------------------------------------------------------------------
# Kernel headers
INSTALL_HDR_PATH=$(objtree)/usr
export INSTALL_HDR_PATH

HDRARCHES=$(filter-out generic,$(patsubst $(srctree)/include/asm-%/Kbuild,%,$(wildcard $(srctree)/include/asm-*/Kbuild)))

PHONY += headers_install_all
headers_install_all: include/linux/version.h scripts_basic FORCE
	$(Q)$(MAKE) $(build)=scripts scripts/unifdef
	$(Q)for arch in $(HDRARCHES); do \
	 $(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch ;\
	 done

PHONY += headers_install
headers_install: include/linux/version.h scripts_basic FORCE
	@if [ ! -r $(srctree)/include/asm-$(ARCH)/Kbuild ]; then \
	  echo '*** Error: Headers not exportable for this architecture ($(ARCH))'; \
	  exit 1 ; fi
	$(Q)$(MAKE) $(build)=scripts scripts/unifdef
	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst obj=include

PHONY += headers_check_all
headers_check_all: headers_install_all
	$(Q)for arch in $(HDRARCHES); do \
	 $(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch HDRCHECK=1 ;\
	 done

PHONY += headers_check
headers_check: headers_install
	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.headersinst obj=include HDRCHECK=1

# ---------------------------------------------------------------------------
# Modules

ifdef CONFIG_MODULES

# By default, build modules as well

all: modules

#	Build modules

PHONY += modules
modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux)
	@echo '  Building modules, stage 2.';
	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost


# Target to prepare building external modules
PHONY += modules_prepare
modules_prepare: prepare scripts

# Target to install modules
PHONY += modules_install
modules_install: _modinst_ _modinst_post

PHONY += _modinst_
_modinst_:
	@if [ -z "`$(DEPMOD) -V 2>/dev/null | grep module-init-tools`" ]; then \
		echo "Warning: you may need to install module-init-tools"; \
		echo "See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt";\
		sleep 1; \
	fi
	@rm -rf $(MODLIB)/kernel
	@rm -f $(MODLIB)/source
	@mkdir -p $(MODLIB)/kernel
	@ln -s $(srctree) $(MODLIB)/source
	@if [ ! $(objtree) -ef  $(MODLIB)/build ]; then \
		rm -f $(MODLIB)/build ; \
		ln -s $(objtree) $(MODLIB)/build ; \
	fi
	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst

# If System.map exists, run depmod.  This deliberately does not have a
# dependency on System.map since that would run the dependency tree on
# vmlinux.  This depmod is only for convenience to give the initial
# boot a modules.dep even before / is mounted read-write.  However the
# boot script depmod is the master version.
ifeq "$(strip $(INSTALL_MOD_PATH))" ""
depmod_opts	:=
else
depmod_opts	:= -b $(INSTALL_MOD_PATH) -r
endif
PHONY += _modinst_post
_modinst_post: _modinst_
	if [ -r System.map -a -x $(DEPMOD) ]; then $(DEPMOD) -ae -F System.map $(depmod_opts) $(KERNELRELEASE); fi

else # CONFIG_MODULES

# Modules not configured
# ---------------------------------------------------------------------------

modules modules_install: FORCE
	@echo
	@echo "The present kernel configuration has modules disabled."
	@echo "Type 'make config' and enable loadable module support."
	@echo "Then build a kernel with module support enabled."
	@echo
	@exit 1

endif # CONFIG_MODULES

###
# Cleaning is done on three levels.
# make clean     Delete most generated files
#                Leave enough to build external modules
# make mrproper  Delete the current configuration, and all generated files
# make distclean Remove editor backup files, patch leftover files and the like

# Directories & files removed with 'make clean'
CLEAN_DIRS  += $(MODVERDIR)
CLEAN_FILES +=	vmlinux System.map \
                .tmp_kallsyms* .tmp_version .tmp_vmlinux* .tmp_System.map

# Directories & files removed with 'make mrproper'
MRPROPER_DIRS  += include/config include2 usr/include
MRPROPER_FILES += .config .config.old include/asm .version .old_version \
                  include/linux/autoconf.h include/linux/version.h      \
                  include/linux/utsrelease.h                            \
		  Module.symvers tags TAGS cscope*

# clean - Delete most, but leave enough to build external modules
#
clean: rm-dirs  := $(CLEAN_DIRS)
clean: rm-files := $(CLEAN_FILES)
clean-dirs      := $(addprefix _clean_,$(srctree) $(vmlinux-alldirs))

PHONY += $(clean-dirs) clean archclean
$(clean-dirs):
	$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)

clean: archclean $(clean-dirs)
	$(call cmd,rmdirs)
	$(call cmd,rmfiles)
	@find . $(RCS_FIND_IGNORE) \
		\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
		-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
		-o -name '*.symtypes' \) \
		-type f -print | xargs rm -f

# mrproper - Delete all generated files, including .config
#
mrproper: rm-dirs  := $(wildcard $(MRPROPER_DIRS))
mrproper: rm-files := $(wildcard $(MRPROPER_FILES))
mrproper-dirs      := $(addprefix _mrproper_,Documentation/DocBook scripts)

PHONY += $(mrproper-dirs) mrproper archmrproper
$(mrproper-dirs):
	$(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)

mrproper: clean archmrproper $(mrproper-dirs)
	$(call cmd,rmdirs)
	$(call cmd,rmfiles)

# distclean
#
PHONY += distclean

distclean: mrproper
	@find $(srctree) $(RCS_FIND_IGNORE) \
		\( -name '*.orig' -o -name '*.rej' -o -name '*~' \
		-o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
		-o -name '.*.rej' -o -size 0 \
		-o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \
		-type f -print | xargs rm -f


# Packaging of the kernel to various formats
# ---------------------------------------------------------------------------
# rpm target kept for backward compatibility
package-dir	:= $(srctree)/scripts/package

%pkg: include/config/kernel.release FORCE
	$(Q)$(MAKE) $(build)=$(package-dir) $@
rpm: include/config/kernel.release FORCE
	$(Q)$(MAKE) $(build)=$(package-dir) $@


# Brief documentation of the typical targets used
# ---------------------------------------------------------------------------

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

help:
	@echo  'Cleaning targets:'
	@echo  '  clean		  - Remove most generated files but keep the config and'
	@echo  '                    enough build support to build external modules'
	@echo  '  mrproper	  - Remove all generated files + config + various backup files'
	@echo  '  distclean	  - mrproper + remove editor backup and patch files'
	@echo  ''
	@echo  'Configuration targets:'
	@$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
	@echo  ''
	@echo  'Other generic targets:'
	@echo  '  all		  - Build all targets marked with [*]'
	@echo  '* vmlinux	  - Build the bare kernel'
	@echo  '* modules	  - Build all modules'
	@echo  '  modules_install - Install all modules to INSTALL_MOD_PATH (default: /)'
	@echo  '  dir/            - Build all files in dir and below'
	@echo  '  dir/file.[ois]  - Build specified target only'
	@echo  '  dir/file.ko     - Build module including final link'
	@echo  '  rpm		  - Build a kernel as an RPM package'
	@echo  '  tags/TAGS	  - Generate tags file for editors'
	@echo  '  cscope	  - Generate cscope index'
	@echo  '  kernelrelease	  - Output the release version string'
	@echo  '  kernelversion	  - Output the version stored in Makefile'
	@if [ -r $(srctree)/include/asm-$(ARCH)/Kbuild ]; then \
	 echo  '  headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \
	 echo  '                    (default: $(INSTALL_HDR_PATH))'; \
	 fi
	@echo  ''
	@echo  'Static analysers'
	@echo  '  checkstack      - Generate a list of stack hogs'
	@echo  '  namespacecheck  - Name space analysis on compiled kernel'
	@if [ -r $(srctree)/include/asm-$(ARCH)/Kbuild ]; then \
	 echo  '  headers_check   - Sanity check on exported headers'; \
	 fi
	@echo  ''
	@echo  'Kernel packaging:'
	@$(MAKE) $(build)=$(package-dir) help
	@echo  ''
	@echo  'Documentation targets:'
	@$(MAKE) -f $(srctree)/Documentation/DocBook/Makefile dochelp
	@echo  ''
	@echo  'Architecture specific targets ($(ARCH)):'
	@$(if $(archhelp),$(archhelp),\
		echo '  No architecture specific help defined for $(ARCH)')
	@echo  ''
	@$(if $(boards), \
		$(foreach b, $(boards), \
		printf "  %-24s - Build for %s\\n" $(b) $(subst _defconfig,,$(b));) \
		echo '')

	@echo  '  make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
	@echo  '  make V=2   [targets] 2 => give reason for rebuild of target'
	@echo  '  make O=dir [targets] Locate all output files in "dir", including .config'
	@echo  '  make C=1   [targets] Check all c source with $$CHECK (sparse by default)'
	@echo  '  make C=2   [targets] Force check of all c source with $$CHECK'
	@echo  ''
	@echo  'Execute "make" or "make all" to build all targets marked with [*] '
	@echo  'For further info see the ./README file'


# Documentation targets
# ---------------------------------------------------------------------------
%docs: scripts_basic FORCE
	$(Q)$(MAKE) $(build)=Documentation/DocBook $@

else # KBUILD_EXTMOD

###
# External module support.
# When building external modules the kernel used as basis is considered
# read-only, and no consistency checks are made and the make
# system is not used on the basis kernel. If updates are required
# in the basis kernel ordinary make commands (without M=...) must
# be used.
#
# The following are the only valid targets when building external
# modules.
# make M=dir clean     Delete all automatically generated files
# make M=dir modules   Make all modules in specified dir
# make M=dir	       Same as 'make M=dir modules'
# make M=dir modules_install
#                      Install the modules built in the module directory
#                      Assumes install directory is already created

# We are always building modules
KBUILD_MODULES := 1
PHONY += crmodverdir
crmodverdir:
	$(Q)mkdir -p $(MODVERDIR)
	$(Q)rm -f $(MODVERDIR)/*

PHONY += $(objtree)/Module.symvers
$(objtree)/Module.symvers:
	@test -e $(objtree)/Module.symvers || ( \
	echo; \
	echo "  WARNING: Symbol version dump $(objtree)/Module.symvers"; \
	echo "           is missing; modules will have no dependencies and modversions."; \
	echo )

module-dirs := $(addprefix _module_,$(KBUILD_EXTMOD))
PHONY += $(module-dirs) modules
$(module-dirs): crmodverdir $(objtree)/Module.symvers
	$(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@)

modules: $(module-dirs)
	@echo '  Building modules, stage 2.';
	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost

PHONY += modules_install
modules_install: _emodinst_ _emodinst_post

install-dir := $(if $(INSTALL_MOD_DIR),$(INSTALL_MOD_DIR),extra)
PHONY += _emodinst_
_emodinst_:
	$(Q)mkdir -p $(MODLIB)/$(install-dir)
	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst

# Run depmod only is we have System.map and depmod is executable
quiet_cmd_depmod = DEPMOD  $(KERNELRELEASE)
      cmd_depmod = if [ -r System.map -a -x $(DEPMOD) ]; then \
                      $(DEPMOD) -ae -F System.map             \
                      $(if $(strip $(INSTALL_MOD_PATH)),      \
		      -b $(INSTALL_MOD_PATH) -r)              \
		      $(KERNELRELEASE);                       \
                   fi

PHONY += _emodinst_post
_emodinst_post: _emodinst_
	$(call cmd,depmod)

clean-dirs := $(addprefix _clean_,$(KBUILD_EXTMOD))

PHONY += $(clean-dirs) clean
$(clean-dirs):
	$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)

clean:	rm-dirs := $(MODVERDIR)
clean: $(clean-dirs)
	$(call cmd,rmdirs)
	@find $(KBUILD_EXTMOD) $(RCS_FIND_IGNORE) \
		\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
		-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \) \
		-type f -print | xargs rm -f

help:
	@echo  '  Building external modules.'
	@echo  '  Syntax: make -C path/to/kernel/src M=$$PWD target'
	@echo  ''
	@echo  '  modules         - default target, build the module(s)'
	@echo  '  modules_install - install the module'
	@echo  '  clean           - remove generated files in module directory only'
	@echo  ''

# Dummies...
PHONY += prepare scripts
prepare: ;
scripts: ;
endif # KBUILD_EXTMOD

# Generate tags for editors
# ---------------------------------------------------------------------------

#We want __srctree to totally vanish out when KBUILD_OUTPUT is not set
#(which is the most common case IMHO) to avoid unneeded clutter in the big tags file.
#Adding $(srctree) adds about 20M on i386 to the size of the output file!

ifeq ($(src),$(obj))
__srctree =
else
__srctree = $(srctree)/
endif

ifeq ($(ALLSOURCE_ARCHS),)
ifeq ($(ARCH),um)
ALLINCLUDE_ARCHS := $(ARCH) $(SUBARCH)
else
ALLINCLUDE_ARCHS := $(ARCH)
endif
else
#Allow user to specify only ALLSOURCE_PATHS on the command line, keeping existing behavour.
ALLINCLUDE_ARCHS := $(ALLSOURCE_ARCHS)
endif

ALLSOURCE_ARCHS := $(ARCH)

define find-sources
        ( for ARCH in $(ALLSOURCE_ARCHS) ; do \
	       find $(__srctree)arch/$${ARCH} $(RCS_FIND_IGNORE) \
	            -name $1 -print; \
	  done ; \
	  find $(__srctree)security/selinux/include $(RCS_FIND_IGNORE) \
	       -name $1 -print; \
	  find $(__srctree)include $(RCS_FIND_IGNORE) \
	       \( -name config -o -name 'asm-*' \) -prune \
	       -o -name $1 -print; \
	  for ARCH in $(ALLINCLUDE_ARCHS) ; do \
	       find $(__srctree)include/asm-$${ARCH} $(RCS_FIND_IGNORE) \
	            -name $1 -print; \
	  done ; \
	  find $(__srctree)include/asm-generic $(RCS_FIND_IGNORE) \
	       -name $1 -print; \
	  find $(__srctree) $(RCS_FIND_IGNORE) \
	       \( -name include -o -name arch \) -prune -o \
	       -name $1 -print; \
	  )
endef

define all-sources
	$(call find-sources,'*.[chS]')
endef
define all-kconfigs
	$(call find-sources,'Kconfig*')
endef
define all-defconfigs
	$(call find-sources,'defconfig')
endef

define xtags
	if $1 --version 2>&1 | grep -iq exuberant; then \
	    $(all-sources) | xargs $1 -a \
		-I __initdata,__exitdata,__acquires,__releases \
		-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
		--extra=+f --c-kinds=+px \
		--regex-asm='/^ENTRY\(([^)]*)\).*/\1/'; \
	    $(all-kconfigs) | xargs $1 -a \
		--langdef=kconfig \
		--language-force=kconfig \
		--regex-kconfig='/^[[:blank:]]*config[[:blank:]]+([[:alnum:]_]+)/\1/'; \
	    $(all-defconfigs) | xargs -r $1 -a \
		--langdef=dotconfig \
		--language-force=dotconfig \
		--regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/'; \
	elif $1 --version 2>&1 | grep -iq emacs; then \
	    $(all-sources) | xargs $1 -a; \
	    $(all-kconfigs) | xargs $1 -a \
		--regex='/^[ \t]*config[ \t]+\([a-zA-Z0-9_]+\)/\1/'; \
	    $(all-defconfigs) | xargs -r $1 -a \
		--regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/'; \
	else \
	    $(all-sources) | xargs $1 -a; \
	fi
endef

quiet_cmd_cscope-file = FILELST cscope.files
      cmd_cscope-file = (echo \-k; echo \-q; $(all-sources)) > cscope.files

quiet_cmd_cscope = MAKE    cscope.out
      cmd_cscope = cscope -b

cscope: FORCE
	$(call cmd,cscope-file)
	$(call cmd,cscope)

quiet_cmd_TAGS = MAKE   $@
define cmd_TAGS
	rm -f $@; \
	$(call xtags,etags)
endef

TAGS: FORCE
	$(call cmd,TAGS)

quiet_cmd_tags = MAKE   $@
define cmd_tags
	rm -f $@; \
	$(call xtags,ctags)
endef

tags: FORCE
	$(call cmd,tags)


# Scripts to check various things for consistency
# ---------------------------------------------------------------------------

includecheck:
	find * $(RCS_FIND_IGNORE) \
		-name '*.[hcS]' -type f -print | sort \
		| xargs $(PERL) -w scripts/checkincludes.pl

versioncheck:
	find * $(RCS_FIND_IGNORE) \
		-name '*.[hcS]' -type f -print | sort \
		| xargs $(PERL) -w scripts/checkversion.pl

namespacecheck:
	$(PERL) $(srctree)/scripts/namespace.pl

endif #ifeq ($(config-targets),1)
endif #ifeq ($(mixed-targets),1)

PHONY += checkstack kernelrelease kernelversion

# UML needs a little special treatment here.  It wants to use the host
# toolchain, so needs $(SUBARCH) passed to checkstack.pl.  Everyone
# else wants $(ARCH), including people doing cross-builds, which means
# that $(SUBARCH) doesn't work here.
ifeq ($(ARCH), um)
CHECKSTACK_ARCH := $(SUBARCH)
else
CHECKSTACK_ARCH := $(ARCH)
endif
checkstack:
	$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
	$(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH)

kernelrelease:
	$(if $(wildcard include/config/kernel.release), $(Q)echo $(KERNELRELEASE), \
	$(error kernelrelease not valid - run 'make prepare' to update it))
kernelversion:
	@echo $(KERNELVERSION)

# Single targets
# ---------------------------------------------------------------------------
# Single targets are compatible with:
# - build whith mixed source and output
# - build with separate output dir 'make O=...'
# - external modules
#
#  target-dir => where to store outputfile
#  build-dir  => directory in kernel source tree to use

ifeq ($(KBUILD_EXTMOD),)
        build-dir  = $(patsubst %/,%,$(dir $@))
        target-dir = $(dir $@)
else
        zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@)))
        build-dir  = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash))
        target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))
endif

%.s: %.c prepare scripts FORCE
	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
%.i: %.c prepare scripts FORCE
	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
%.o: %.c prepare scripts FORCE
	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
%.lst: %.c prepare scripts FORCE
	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
%.s: %.S prepare scripts FORCE
	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
%.o: %.S prepare scripts FORCE
	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
%.symtypes: %.c prepare scripts FORCE
	$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)

# Modules
/ %/: prepare scripts FORCE
	$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
	$(build)=$(build-dir)
%.ko: prepare scripts FORCE
	$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1)   \
	$(build)=$(build-dir) $(@:.ko=.o)
	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost

# FIXME Should go into a make.lib or something 
# ===========================================================================

quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN   $(wildcard $(rm-dirs)))
      cmd_rmdirs = rm -rf $(rm-dirs)

quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN   $(wildcard $(rm-files)))
      cmd_rmfiles = rm -f $(rm-files)


a_flags = -Wp,-MD,$(depfile) $(AFLAGS) $(AFLAGS_KERNEL) \
	  $(NOSTDINC_FLAGS) $(CPPFLAGS) \
	  $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(basetarget).o)

quiet_cmd_as_o_S = AS      $@
cmd_as_o_S       = $(CC) $(a_flags) -c -o $@ $<

# read all saved command lines

targets := $(wildcard $(sort $(targets)))
cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))

ifneq ($(cmd_files),)
  $(cmd_files): ;	# Do not try to update included dependency files
  include $(cmd_files)
endif

# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir
# Usage:
# $(Q)$(MAKE) $(clean)=dir
clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj

endif	# skip-makefile

PHONY += FORCE
FORCE:

# Cancel implicit rules on top Makefile, `-rR' will apply to sub-makes.
Makefile: ;

# Declare the contents of the .PHONY variable as phony.  We keep that
# information in a variable se we can use it in if_changed and friends.
.PHONY: $(PHONY)