diff options
Diffstat (limited to 'debian.linaro/ci/rr-cache/13732fc78bd4b94f04af9e96cda9d28c4986f4a5/preimage')
| -rw-r--r-- | debian.linaro/ci/rr-cache/13732fc78bd4b94f04af9e96cda9d28c4986f4a5/preimage | 1581 |
1 files changed, 0 insertions, 1581 deletions
diff --git a/debian.linaro/ci/rr-cache/13732fc78bd4b94f04af9e96cda9d28c4986f4a5/preimage b/debian.linaro/ci/rr-cache/13732fc78bd4b94f04af9e96cda9d28c4986f4a5/preimage deleted file mode 100644 index fb5f3c0..0000000 --- a/debian.linaro/ci/rr-cache/13732fc78bd4b94f04af9e96cda9d28c4986f4a5/preimage +++ /dev/null @@ -1,1581 +0,0 @@ -VERSION = 3 -PATCHLEVEL = 1 -SUBLEVEL = 4 -EXTRAVERSION = -NAME = "Divemaster Edition" - -# *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 avoids hard-to-debug behaviour); -# o print "Entering directory ..."; -MAKEFLAGS += -rR --no-print-directory - -# Avoid funny character set dependencies -unexport LC_ALL -LC_COLLATE=C -LC_NUMERIC=C -export LC_COLLATE LC_NUMERIC - -# 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 - -ifeq ("$(origin V)", "command line") - KBUILD_VERBOSE = $(V) -endif -ifndef KBUILD_VERBOSE - KBUILD_VERBOSE = 0 -endif - -# Call a source code checker (by default, "sparse") as part of the -# C compilation. -# -# Use 'make C=1' to enable checking of only re-compiled files. -# Use 'make C=2' to enable checking of *all* source files, regardless -# of whether they are re-compiled or not. -# -# See the file "Documentation/sparse.txt" for more details, including -# where to get the "sparse" utility. - -ifeq ("$(origin C)", "command line") - KBUILD_CHECKSRC = $(C) -endif -ifndef KBUILD_CHECKSRC - KBUILD_CHECKSRC = 0 -endif - -# Use make M=dir to specify directory of external module to build -# Old syntax make ... SUBDIRS=$PWD is still supported -# Setting the environment variable KBUILD_EXTMOD take precedence -ifdef SUBDIRS - KBUILD_EXTMOD ?= $(SUBDIRS) -endif - -ifeq ("$(origin M)", "command line") - KBUILD_EXTMOD := $(M) -endif - -# kbuild supports saving output files in a separate directory. -# To locate output files in a separate directory two syntaxes are supported. -# In both cases the working directory must be the root of the kernel src. -# 1) O= -# Use "make O=dir/to/store/output/files/" -# -# 2) Set KBUILD_OUTPUT -# Set the environment variable KBUILD_OUTPUT to point to the directory -# where the output files shall be placed. -# export KBUILD_OUTPUT=dir/to/store/output/files/ -# make -# -# The O= assignment takes precedence over the KBUILD_OUTPUT environment -# variable. - - -# KBUILD_SRC is set on invocation of make in OBJ directory -# KBUILD_SRC is not intended to be used by the regular user (for now) -ifeq ($(KBUILD_SRC),) - -# OK, Make called in directory where kernel src resides -# Do we want to locate output files in a separate directory? -ifeq ("$(origin O)", "command line") - KBUILD_OUTPUT := $(O) -endif - -ifeq ("$(origin W)", "command line") - export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W) -endif - -# That's our default target when none is given on the command line -PHONY := _all -_all: - -# Cancel implicit rules on top Makefile -$(CURDIR)/Makefile Makefile: ; - -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 += $(MAKECMDGOALS) sub-make - -$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make - $(Q)@: - -sub-make: FORCE - $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ - KBUILD_SRC=$(CURDIR) \ - KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \ - $(filter-out _all sub-make,$(MAKECMDGOALS)) - -# 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)) -objtree := $(CURDIR) -src := $(srctree) -obj := $(objtree) - -VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) - -export srctree objtree VPATH - - -# 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/ \ - -e s/sh[234].*/sh/ ) - -# 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. -# A third alternative is to store a setting in .config so that plain -# "make" in the configured kernel build directory always uses that. -# Default value for CROSS_COMPILE is not to prefix executables -# Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile -export KBUILD_BUILDHOST := $(SUBARCH) -ARCH ?= $(SUBARCH) -CROSS_COMPILE ?= $(CONFIG_CROSS_COMPILE:"%"=%) - -# Architecture as present in compile.h -UTS_MACHINE := $(ARCH) -SRCARCH := $(ARCH) - -# Additional ARCH settings for x86 -ifeq ($(ARCH),i386) - SRCARCH := x86 -endif -ifeq ($(ARCH),x86_64) - SRCARCH := x86 -endif - -# Additional ARCH settings for sparc -ifeq ($(ARCH),sparc32) - SRCARCH := sparc -endif -ifeq ($(ARCH),sparc64) - SRCARCH := sparc -endif - -# Additional ARCH settings for sh -ifeq ($(ARCH),sh64) - SRCARCH := sh -endif - -# Additional ARCH settings for tile -ifeq ($(ARCH),tilepro) - SRCARCH := tile -endif -ifeq ($(ARCH),tilegx) - SRCARCH := tile -endif - -# Where to locate arch specific headers -hdr-arch := $(SRCARCH) - -ifeq ($(ARCH),m68knommu) - hdr-arch := m68k -endif - -KCONFIG_CONFIG ?= .config -export KCONFIG_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 -Wmissing-prototypes -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=$(srctree) - -# We need some generic definitions (do not try to remake the file). -$(srctree)/scripts/Kbuild.include: ; -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 -INSTALLKERNEL := installkernel -DEPMOD = /sbin/depmod -KALLSYMS = scripts/kallsyms -PERL = perl -CHECK = sparse - -CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ - -Wbitwise -Wno-return-void $(CF) -CFLAGS_MODULE = -AFLAGS_MODULE = -LDFLAGS_MODULE = -CFLAGS_KERNEL = -AFLAGS_KERNEL = -CFLAGS_GCOV = -fprofile-arcs -ftest-coverage - -# Prefer linux-backports-modules -ifneq ($(KBUILD_SRC),) -ifneq ($(shell if test -e $(KBUILD_OUTPUT)/ubuntu-build; then echo yes; fi),yes) -UBUNTUINCLUDE := -I/usr/src/linux-headers-lbm-$(KERNELRELEASE) -endif -endif - -# Use LINUXINCLUDE when you must reference the include/ directory. -# Needed to be compatible with the O= option -LINUXINCLUDE := $(UBUNTUINCLUDE) -I$(srctree)/arch/$(hdr-arch)/include \ - -Iarch/$(hdr-arch)/include/generated -Iinclude \ - $(if $(KBUILD_SRC), -I$(srctree)/include) \ - -include $(srctree)/include/linux/kconfig.h - -<<<<<<< -# UBUNTU: Include our third party driver stuff too -LINUXINCLUDE += -Iubuntu/include $(if $(KBUILD_SRC),-I$(srctree)/ubuntu/include) - -KBUILD_CPPFLAGS := -D__KERNEL__ -======= -KBUILD_CPPFLAGS := -D__KERNEL__ -D__linux_kernel__ ->>>>>>> - -KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ - -fno-strict-aliasing -fno-common \ - -Werror-implicit-function-declaration \ - -Wno-format-security \ - -fno-delete-null-pointer-checks -KBUILD_AFLAGS_KERNEL := -KBUILD_CFLAGS_KERNEL := -KBUILD_AFLAGS := -D__ASSEMBLY__ -KBUILD_AFLAGS_MODULE := -DMODULE -KBUILD_CFLAGS_MODULE := -DMODULE -KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds - -# Read KERNELRELEASE from include/config/kernel.release (if it exists) -KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null) -KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION) - -export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION -export ARCH SRCARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC -export CPP AR NM STRIP OBJCOPY OBJDUMP -export MAKE AWK GENKSYMS INSTALLKERNEL PERL UTS_MACHINE -export HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS - -export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS -export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE CFLAGS_GCOV -export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE -export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE -export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL -export KBUILD_ARFLAGS - -# 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 - $(Q)rm -f .tmp_quiet_recordmcount - -# To avoid any implicit rule to kick in, define an empty command. -scripts/basic/%: scripts_basic ; - -PHONY += outputmakefile -# outputmakefile generates a Makefile in the output directory, if using a -# separate output directory. This allows convenient use of make in the -# output directory. -outputmakefile: -ifneq ($(KBUILD_SRC),) - $(Q)ln -fsn $(srctree) source - $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ - $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) -endif - -# Support for using generic headers in asm-generic -PHONY += asm-generic -asm-generic: - $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \ - obj=arch/$(SRCARCH)/include/generated/asm - -# 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 gtags TAGS tags help %docs check% coccicheck \ - include/linux/version.h headers_% \ - kernelversion %src-pkg - -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 $(srctree)/arch/$(SRCARCH)/Makefile -export KBUILD_DEFCONFIG KBUILD_KCONFIG - -config: scripts_basic outputmakefile FORCE - $(Q)mkdir -p include/linux include/config - $(Q)$(MAKE) $(build)=scripts/kconfig $@ - -%config: scripts_basic outputmakefile FORCE - $(Q)mkdir -p include/linux include/config - $(Q)$(MAKE) $(build)=scripts/kconfig $@ - -else -# =========================================================================== -# Build targets only - this includes vmlinux, arch specific targets, clean -# targets and others. In general all targets except *config targets. - -ifeq ($(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 include/config/tristate.conf - $(Q)$(MAKE) $(build)=$(@) - -# Objects we will link into vmlinux / subdirs we need to visit -init-y := init/ -drivers-y := drivers/ sound/ firmware/ ubuntu/ -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/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd - $(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig -else -# external modules needs include/generated/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/generated/autoconf.h -a -e $@ || ( \ - echo; \ - echo " ERROR: Kernel configuration is invalid."; \ - echo " include/generated/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 to vmlinux, but the arch makefile usually adds further targets -all: vmlinux - -ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE -KBUILD_CFLAGS += -Os -else -KBUILD_CFLAGS += -O2 -endif - -include $(srctree)/arch/$(SRCARCH)/Makefile - -ifneq ($(CONFIG_FRAME_WARN),0) -KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN}) -endif - -# Force gcc to behave correct even for buggy distributions -ifndef CONFIG_CC_STACKPROTECTOR -KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector) -endif - -# This warning generated too much noise in a regular build. -# Use make W=1 to enable this warning (see scripts/Makefile.build) -KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable) - -ifdef CONFIG_FRAME_POINTER -KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls -else -# Some targets (ARM with Thumb2, for example), can't be built with frame -# pointers. For those, we don't have FUNCTION_TRACER automatically -# select FRAME_POINTER. However, FUNCTION_TRACER adds -pg, and this is -# incompatible with -fomit-frame-pointer with current GCC, so we don't use -# -fomit-frame-pointer with FUNCTION_TRACER. -ifndef CONFIG_FUNCTION_TRACER -KBUILD_CFLAGS += -fomit-frame-pointer -endif -endif - -ifdef CONFIG_DEBUG_INFO -KBUILD_CFLAGS += -g -KBUILD_AFLAGS += -gdwarf-2 -endif - -ifdef CONFIG_DEBUG_INFO_REDUCED -KBUILD_CFLAGS += $(call cc-option, -femit-struct-debug-baseonly) -endif - -ifdef CONFIG_FUNCTION_TRACER -KBUILD_CFLAGS += -pg -ifdef CONFIG_DYNAMIC_FTRACE - ifdef CONFIG_HAVE_C_RECORDMCOUNT - BUILD_C_RECORDMCOUNT := y - export BUILD_C_RECORDMCOUNT - endif -endif -endif - -# We trigger additional mismatches with less inlining -ifdef CONFIG_DEBUG_SECTION_MISMATCH -KBUILD_CFLAGS += $(call cc-option, -fno-inline-functions-called-once) -endif - -# 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 -KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,) - -# disable pointer signed / unsigned warnings in gcc 4.0 -KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign) - -# disable invalid "can't wrap" optimizations for signed / pointers -KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow) - -# conserve stack if available -KBUILD_CFLAGS += $(call cc-option,-fconserve-stack) - -# use the deterministic mode of AR if available -KBUILD_ARFLAGS := $(call ar-option,D) - -# check for 'asm goto' -ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC)), y) - KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO -endif - -# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments -# But warn user when we do so -warn-assign = \ -$(warning "WARNING: Appending $$K$(1) ($(K$(1))) from $(origin K$(1)) to kernel $$$(1)") - -ifneq ($(KCPPFLAGS),) - $(call warn-assign,CPPFLAGS) - KBUILD_CPPFLAGS += $(KCPPFLAGS) -endif -ifneq ($(KAFLAGS),) - $(call warn-assign,AFLAGS) - KBUILD_AFLAGS += $(KAFLAGS) -endif -ifneq ($(KCFLAGS),) - $(call warn-assign,CFLAGS) - KBUILD_CFLAGS += $(KCFLAGS) -endif - -# Use --build-id when available. -LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\ - $(call cc-ldoption, -Wl$(comma)--build-id,)) -KBUILD_LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID) -LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID) - -ifeq ($(CONFIG_STRIP_ASM_SYMS),y) -LDFLAGS_vmlinux += $(call ld-option, -X,) -endif - -# Default kernel image to build when no specific target is given. -# KBUILD_IMAGE may be overruled on the command line or -# set in the environment -# Also any assignments in arch/$(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 value will be 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) $(vmlinux-main) -vmlinux-lds := arch/$(SRCARCH)/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 $(kallsyms.o) -# It's a three stage process: -# o .tmp_vmlinux1 has all symbols and sections, but __kallsyms is -# empty -# Running kallsyms on that gives us .tmp_kallsyms1.o with -# the right size - vmlinux version (uname -v) is updated during this step -# o .tmp_vmlinux2 now has a __kallsyms section of the right size, -# but due to the added section, some addresses have shifted. -# From here, we generate a correct .tmp_kallsyms2.o -# o The correct .tmp_kallsyms2.o is linked into the final vmlinux. -# o Verify that the System.map from vmlinux matches the map from -# .tmp_vmlinux2, just in case we did not generate kallsyms correctly. -# o If 'make KALLSYMS_EXTRA_PASS=1" was used, do an extra pass using -# .tmp_vmlinux3 and .tmp_kallsyms3.o. This is only meant as a -# temporary bypass to allow the kernel to be built while the -# maintainers work out what went wrong with kallsyms. - -last_kallsyms := 2 - -ifdef KALLSYMS_EXTRA_PASS -ifneq ($(KALLSYMS_EXTRA_PASS),0) -last_kallsyms := 3 -endif -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 This is a bug - please report about it; \ - echo Try "make KALLSYMS_EXTRA_PASS=1" as a workaround; \ - 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) $(vmlinux-main) FORCE ,$^) -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) vmlinux.o $(kallsyms.o) FORCE -ifdef CONFIG_HEADERS_CHECK - $(Q)$(MAKE) -f $(srctree)/Makefile headers_check -endif -ifdef CONFIG_SAMPLES - $(Q)$(MAKE) $(build)=samples -endif -ifdef CONFIG_BUILD_DOCSRC - $(Q)$(MAKE) $(build)=Documentation -endif - $(call vmlinux-modpost) - $(call if_changed_rule,vmlinux__) - $(Q)rm -f .old_version - -# build vmlinux.o first to catch section mismatch errors early -ifdef CONFIG_KALLSYMS -.tmp_vmlinux1: vmlinux.o -endif - -modpost-init := $(filter-out init/built-in.o, $(vmlinux-init)) -vmlinux.o: $(modpost-init) $(vmlinux-main) 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) $(build)=$@ - -# Store (new) KERNELRELASE string in include/config/kernel.release -include/config/kernel.release: include/config/auto.conf FORCE - $(Q)rm -f $@ - $(Q)echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" > $@ - - -# 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) -prepare3: include/config/kernel.release -ifneq ($(KBUILD_SRC),) - @$(kecho) ' Using $(srctree) as source for kernel' - $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ - echo " $(srctree) is not clean, please run 'make mrproper'";\ - echo " in the '$(srctree)' directory.";\ - /bin/false; \ - fi; -endif - -# prepare2 creates a makefile if using a separate output directory -prepare2: prepare3 outputmakefile asm-generic - -prepare1: prepare2 include/linux/version.h include/generated/utsrelease.h \ - include/config/auto.conf - $(cmd_crmodverdir) - -archprepare: prepare1 scripts_basic - -prepare0: archprepare FORCE - $(Q)$(MAKE) $(build)=. - $(Q)$(MAKE) $(build)=. missing-syscalls - -# All the preparing.. -prepare: prepare0 - -# 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 + 0$(PATCHLEVEL) \* 256 + 0$(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/generated/utsrelease.h: include/config/kernel.release FORCE - $(call filechk,utsrelease.h) - -PHONY += headerdep -headerdep: - $(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \ - $(srctree)/scripts/headerdep.pl -I$(srctree)/include - -# --------------------------------------------------------------------------- - -PHONY += depend dep -depend dep: - @echo '*** Warning: make $@ is unnecessary now.' - -# --------------------------------------------------------------------------- -# Firmware install -INSTALL_FW_PATH=$(INSTALL_MOD_PATH)/lib/firmware -export INSTALL_FW_PATH - -PHONY += firmware_install -firmware_install: FORCE - @mkdir -p $(objtree)/firmware - $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_install - -# --------------------------------------------------------------------------- -# Kernel headers - -#Default location for installed headers -export INSTALL_HDR_PATH = $(objtree)/usr - -hdr-inst := -rR -f $(srctree)/scripts/Makefile.headersinst obj - -# If we do an all arch process set dst to asm-$(hdr-arch) -hdr-dst = $(if $(KBUILD_HEADERS), dst=include/asm-$(hdr-arch), dst=include/asm) - -PHONY += __headers -__headers: include/linux/version.h scripts_basic asm-generic FORCE - $(Q)$(MAKE) $(build)=scripts build_unifdef - -PHONY += headers_install_all -headers_install_all: - $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh install - -PHONY += headers_install -headers_install: __headers - $(if $(wildcard $(srctree)/arch/$(hdr-arch)/include/asm/Kbuild),, \ - $(error Headers not exportable for the $(SRCARCH) architecture)) - $(Q)$(MAKE) $(hdr-inst)=include - $(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/asm $(hdr-dst) - -PHONY += headers_check_all -headers_check_all: headers_install_all - $(Q)$(CONFIG_SHELL) $(srctree)/scripts/headers.sh check - -PHONY += headers_check -headers_check: headers_install - $(Q)$(MAKE) $(hdr-inst)=include HDRCHECK=1 - $(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/asm $(hdr-dst) HDRCHECK=1 - -# --------------------------------------------------------------------------- -# Modules - -ifdef CONFIG_MODULES - -# By default, build modules as well - -all: modules - -# Build modules -# -# A module can be listed more than once in obj-m resulting in -# duplicate lines in modules.order files. Those are removed -# using awk while concatenating to the final file. - -PHONY += modules -modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin - $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order - @$(kecho) ' Building modules, stage 2.'; - $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost - $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modbuild - -modules.builtin: $(vmlinux-dirs:%=%/modules.builtin) - $(Q)$(AWK) '!x[$$0]++' $^ > $(objtree)/modules.builtin - -%/modules.builtin: include/config/auto.conf - $(Q)$(MAKE) $(modbuiltin)=$* - - -# 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_: - @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 - @cp -f $(objtree)/modules.order $(MODLIB)/ - @cp -f $(objtree)/modules.builtin $(MODLIB)/ - $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst - -# 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. -PHONY += _modinst_post -_modinst_post: _modinst_ - $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modinst - $(call cmd,depmod) - -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 usr/include include/generated \ - arch/*/include/generated -MRPROPER_FILES += .config .config.old .version .old_version \ - include/linux/version.h \ - Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS - -# clean - Delete most, but leave enough to build external modules -# -clean: rm-dirs := $(CLEAN_DIRS) -clean: rm-files := $(CLEAN_FILES) -clean-dirs := $(addprefix _clean_, . $(vmlinux-alldirs) Documentation) - -PHONY += $(clean-dirs) clean archclean -$(clean-dirs): - $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) - -clean: archclean - -# 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 - -%src-pkg: FORCE - $(Q)$(MAKE) $(build)=$(package-dir) $@ -%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 $(srctree)/arch/$(SRCARCH)/configs/*_defconfig) -boards := $(notdir $(boards)) -board-dirs := $(dir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*/*_defconfig)) -board-dirs := $(sort $(notdir $(board-dirs:/=))) - -help: - @echo 'Cleaning targets:' - @echo ' clean - Remove most generated files but keep the config and' - @echo ' enough build support to build external modules' - @echo ' mrproper - Remove all generated files + config + various backup files' - @echo ' distclean - mrproper + remove editor backup and patch files' - @echo '' - @echo 'Configuration targets:' - @$(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 ' firmware_install- Install all firmware to INSTALL_FW_PATH' - @echo ' (default: $$(INSTALL_MOD_PATH)/lib/firmware)' - @echo ' dir/ - Build all files in dir and below' - @echo ' dir/file.[oisS] - Build specified target only' - @echo ' dir/file.lst - Build specified mixed source/assembly target only' - @echo ' (requires a recent binutils and recent build (System.map))' - @echo ' dir/file.ko - Build module including final link' - @echo ' modules_prepare - Set up for building external modules' - @echo ' tags/TAGS - Generate tags file for editors' - @echo ' cscope - Generate cscope index' - @echo ' gtags - Generate GNU GLOBAL index' - @echo ' kernelrelease - Output the release version string' - @echo ' kernelversion - Output the version stored in Makefile' - @echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \ - echo ' (default: $(INSTALL_HDR_PATH))'; \ - echo '' - @echo 'Static analysers' - @echo ' checkstack - Generate a list of stack hogs' - @echo ' namespacecheck - Name space analysis on compiled kernel' - @echo ' versioncheck - Sanity check on version.h usage' - @echo ' includecheck - Check for duplicate included header files' - @echo ' export_report - List the usages of all exported symbols' - @echo ' headers_check - Sanity check on exported headers' - @echo ' headerdep - Detect inclusion cycles in headers' - @$(MAKE) -f $(srctree)/scripts/Makefile.help checker-help - @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 ($(SRCARCH)):' - @$(if $(archhelp),$(archhelp),\ - echo ' No architecture specific help defined for $(SRCARCH)') - @echo '' - @$(if $(boards), \ - $(foreach b, $(boards), \ - printf " %-24s - Build for %s\\n" $(b) $(subst _defconfig,,$(b));) \ - echo '') - @$(if $(board-dirs), \ - $(foreach b, $(board-dirs), \ - printf " %-16s - Show %s-specific targets\\n" help-$(b) $(b);) \ - printf " %-16s - Show all of the above\\n" help-boards; \ - 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 ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' - @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' - @echo ' 1: warnings which may be relevant and do not occur too often' - @echo ' 2: warnings which occur quite often but may still be relevant' - @echo ' 3: more obscure warnings, can most likely be ignored' - @echo ' Multiple levels can be combined with W=12 or W=123' - @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' - @echo '' - @echo 'Execute "make" or "make all" to build all targets marked with [*] ' - @echo 'For further info see the ./README file' - - -help-board-dirs := $(addprefix help-,$(board-dirs)) - -help-boards: $(help-board-dirs) - -boards-per-dir = $(notdir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/$*/*_defconfig)) - -$(help-board-dirs): help-%: - @echo 'Architecture specific targets ($(SRCARCH) $*):' - @$(if $(boards-per-dir), \ - $(foreach b, $(boards-per-dir), \ - printf " %-24s - Build for %s\\n" $*/$(b) $(subst _defconfig,,$(b));) \ - echo '') - - -# Documentation targets -# --------------------------------------------------------------------------- -%docs: scripts_basic FORCE - $(Q)$(MAKE) $(build)=scripts build_docproc - $(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: - $(cmd_crmodverdir) - -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) - @$(kecho) ' 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 - -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: rm-files := $(KBUILD_EXTMOD)/Module.symvers - -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 - -clean: $(clean-dirs) - $(call cmd,rmdirs) - $(call cmd,rmfiles) - @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ - \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ - -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ - -o -name '*.symtypes' -o -name 'modules.order' \ - -o -name modules.builtin -o -name '.tmp_*.o.*' \ - -o -name '*.gcno' \) -type f -print | xargs rm -f - -# Generate tags for editors -# --------------------------------------------------------------------------- -quiet_cmd_tags = GEN $@ - cmd_tags = $(CONFIG_SHELL) $(srctree)/scripts/tags.sh $@ - -tags TAGS cscope gtags: FORCE - $(call cmd,tags) - -# Scripts to check various things for consistency -# --------------------------------------------------------------------------- - -PHONY += includecheck versioncheck coccicheck namespacecheck export_report - -includecheck: - find $(srctree)/* $(RCS_FIND_IGNORE) \ - -name '*.[hcS]' -type f -print | sort \ - | xargs $(PERL) -w $(srctree)/scripts/checkincludes.pl - -versioncheck: - find $(srctree)/* $(RCS_FIND_IGNORE) \ - -name '*.[hcS]' -type f -print | sort \ - | xargs $(PERL) -w $(srctree)/scripts/checkversion.pl - -coccicheck: - $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@ - -namespacecheck: - $(PERL) $(srctree)/scripts/namespace.pl - -export_report: - $(PERL) $(srctree)/scripts/export_report.pl - -endif #ifeq ($(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 $$(find . -name '*.ko') | \ - $(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH) - -kernelrelease: - @echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" - -kernelversion: - @echo $(KERNELVERSION) - -# Single targets -# --------------------------------------------------------------------------- -# Single targets are compatible with: -# - build with mixed source and output -# - build with separate output dir 'make O=...' -# - external modules -# -# target-dir => where to store outputfile -# build-dir => directory in kernel source tree to use - -ifeq ($(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 - $(cmd_crmodverdir) - $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ - $(build)=$(build-dir) -%/: prepare scripts FORCE - $(cmd_crmodverdir) - $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ - $(build)=$(build-dir) -%.ko: prepare scripts FORCE - $(cmd_crmodverdir) - $(Q)$(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) - -# Run depmod only if we have System.map and depmod is executable -quiet_cmd_depmod = DEPMOD $(KERNELRELEASE) - cmd_depmod = $(CONFIG_SHELL) $(srctree)/scripts/depmod.sh $(DEPMOD) \ - $(KERNELRELEASE) - -# Create temporary dir for module support files -# clean it up only when building all modules -cmd_crmodverdir = $(Q)mkdir -p $(MODVERDIR) \ - $(if $(KBUILD_MODULES),; rm -f $(MODVERDIR)/*) - -a_flags = -Wp,-MD,$(depfile) $(KBUILD_AFLAGS) $(AFLAGS_KERNEL) \ - $(KBUILD_AFLAGS_KERNEL) \ - $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(KBUILD_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: - -# Declare the contents of the .PHONY variable as phony. We keep that -# information in a variable so we can use it in if_changed and friends. -.PHONY: $(PHONY) |