VERSION = 2
PATCHLEVEL = 6
-SUBLEVEL = 18
-EXTRAVERSION = -prep
-NAME=Avast! A bilge rat!
+SUBLEVEL = 16
+EXTRAVERSION = .38-vs2.0.3-rc1
+NAME=Stable Penguin
# *DOCUMENTATION*
# To see a list of typical targets execute "make help"
KBUILD_VERBOSE = 0
endif
-# Call checker as part of compilation of C files
-# Use 'make C=1' to enable checking (sparse, by default)
-# Override with 'make C=1 CHECK=checker_executable CHECKFLAGS=....'
+# Call sparse as part of compilation of C files
+# Use 'make C=1' to enable sparse checking
ifdef C
ifeq ("$(origin C)", "command line")
# In both cases the working directory must be the root of the kernel src.
# 1) O=
# Use "make O=dir/to/store/output/files/"
-#
+#
# 2) Set KBUILD_OUTPUT
# Set the environment variable KBUILD_OUTPUT to point to the directory
# where the output files shall be placed.
endif
# That's our default target when none is given on the command line
-PHONY := _all
+.PHONY: _all
_all:
ifneq ($(KBUILD_OUTPUT),)
$(if $(KBUILD_OUTPUT),, \
$(error output directory "$(saved-output)" does not exist))
-PHONY += $(MAKECMDGOALS)
+.PHONY: $(MAKECMDGOALS)
$(filter-out _all,$(MAKECMDGOALS)) _all:
$(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \
# If building an external module we do not care about the all: rule
# but instead _all depend on modules
-PHONY += all
+.PHONY: all
ifeq ($(KBUILD_EXTMOD),)
_all: all
else
src := $(srctree)
obj := $(objtree)
-VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))
+VPATH := $(srctree)
export srctree objtree VPATH TOPDIR
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/ppc.*/powerpc/ )
# Cross compiling and selecting different set of gcc/bin-utils
# ---------------------------------------------------------------------------
# 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
+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.
+# 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.
+# make sure the checksums are uptodate before we record them.
ifeq ($(MAKECMDGOALS),modules)
KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1)
#
# 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
+# If it is set to "silent_", nothing wil be printed at all, since
# the variable $(silent_cmd_cc_o_c) doesn't exist.
#
# A simple variant is to prefix commands with $(Q) - that's useful
export quiet Q KBUILD_VERBOSE
+######
+# cc support functions to be used (only) in arch/$(ARCH)/Makefile
+# See documentation in Documentation/kbuild/makefiles.txt
+
+# as-option
+# Usage: cflags-y += $(call as-option, -Wa$(comma)-isa=foo,)
+
+as-option = $(shell if $(CC) $(CFLAGS) $(1) -Wa,-Z -c -o /dev/null \
+ -xassembler /dev/null > /dev/null 2>&1; then echo "$(1)"; \
+ else echo "$(2)"; fi ;)
+
+# cc-option
+# Usage: cflags-y += $(call cc-option, -march=winchip-c6, -march=i586)
+
+cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
+ > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
+
+# cc-option-yn
+# Usage: flag := $(call cc-option-yn, -march=winchip-c6)
+cc-option-yn = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
+ > /dev/null 2>&1; then echo "y"; else echo "n"; fi;)
+
+# cc-option-align
+# Prefix align with either -falign or -malign
+cc-option-align = $(subst -functions=0,,\
+ $(call cc-option,-falign-functions=0,-malign-functions=0))
+
+# cc-version
+# Usage gcc-ver := $(call cc-version $(CC))
+cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh \
+ $(if $(1), $(1), $(CC)))
+
# Look for make include files relative to root of kernel src
MAKEFLAGS += --include-dir=$(srctree)
# We need some generic definitions
include $(srctree)/scripts/Kbuild.include
+# For maximum performance (+ possibly random breakage, uncomment
+# the following)
+
+#MAKEFLAGS += -rR
+
# Make variables (CC, etc...)
AS = $(CROSS_COMPILE)as
CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE)
-CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
- -fno-strict-aliasing -fno-common -Wstrict-prototypes -Wundef -Werror-implicit-function-declaration
-AFLAGS := -D__ASSEMBLY__
+CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
+ -fno-strict-aliasing -fno-common \
+ -ffreestanding
+AFLAGS := -D__ASSEMBLY__
-# Read KERNELRELEASE from include/config/kernel.release (if it exists)
-KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
+# Read KERNELRELEASE from .kernelrelease (if it exists)
+KERNELRELEASE = $(shell cat .kernelrelease 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 VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION \
+ ARCH CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC \
+ CPP AR NM STRIP OBJCOPY OBJDUMP MAKE AWK GENKSYMS PERL UTS_MACHINE \
+ HOSTCXX HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS
export CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS
-export CFLAGS CFLAGS_KERNEL CFLAGS_MODULE
+export CFLAGS CFLAGS_KERNEL CFLAGS_MODULE
export AFLAGS AFLAGS_KERNEL AFLAGS_MODULE
# When compiling out-of-tree modules, put MODVERDIR in the module
# Rules shared between *config targets and build targets
# Basic helpers built in scripts/
-PHONY += scripts_basic
+.PHONY: scripts_basic
scripts_basic:
$(Q)$(MAKE) $(build)=scripts/basic
# To avoid any implicit rule to kick in, define an empty command.
scripts/basic/%: scripts_basic ;
-PHONY += outputmakefile
-# outputmakefile generates a Makefile in the output directory, if using a
-# separate output directory. This allows convenient use of make in the
-# output directory.
+.PHONY: outputmakefile
+# outputmakefile generate a Makefile to be placed in output directory, if
+# using a seperate output directory. This allows convinient use
+# of make in output directory
outputmakefile:
-ifneq ($(KBUILD_SRC),)
- $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
- $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
-endif
+ $(Q)if test ! $(srctree) -ef $(objtree); then \
+ $(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
+ $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) \
+ > $(objtree)/Makefile; \
+ echo ' GEN $(objtree)/Makefile'; \
+ fi
# 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'.
+# 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
+ cscope TAGS tags help %docs check%
config-targets := 0
mixed-targets := 0
export KBUILD_DEFCONFIG
config %config: scripts_basic outputmakefile FORCE
- $(Q)mkdir -p include/linux include/config
+ $(Q)mkdir -p include/linux
$(Q)$(MAKE) $(build)=scripts/kconfig $@
+ $(Q)$(MAKE) -C $(srctree) KBUILD_SRC= .kernelrelease
else
# ===========================================================================
ifeq ($(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
+# in parrallel
+.PHONY: scripts
+scripts: scripts_basic include/config/MARKER
$(Q)$(MAKE) $(build)=$(@)
+scripts_basic: include/linux/autoconf.h
+
# Objects we will link into vmlinux / subdirs we need to visit
init-y := init/
drivers-y := drivers/ sound/
endif # KBUILD_EXTMOD
ifeq ($(dot-config),1)
-# Read in config
--include include/config/auto.conf
+# In this section, we need .config
-ifeq ($(KBUILD_EXTMOD),)
# Read in dependencies to all Kconfig* files, make sure to run
# oldconfig if changes are detected.
--include include/config/auto.conf.cmd
+-include .kconfig.d
+
+include .config
+# If .config needs to be updated, it will be done via the dependency
+# that autoconf has on .config.
# To avoid any implicit rule to kick in, define an empty command
-$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
+.config .kconfig.d: ;
-# If .config is newer than include/config/auto.conf, someone tinkered
+# If .config is newer than include/linux/autoconf.h, 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
+# If kconfig.d is missing then we are probarly in a cleaned tree so
# we execute the config step to be sure to catch updated Kconfig files
-include/config/auto.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
+include/linux/autoconf.h: .kconfig.d .config
+ $(Q)mkdir -p include/linux
$(Q)$(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)
+include/linux/autoconf.h: ;
+endif
# 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
+# Defaults vmlinux but it is usually overriden in the arch makefile
all: vmlinux
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
CFLAGS += -O2
endif
-include $(srctree)/arch/$(ARCH)/Makefile
+#Add align options if CONFIG_CC_* is not equal to 0
+add-align = $(if $(filter-out 0,$($(1))),$(cc-option-align)$(2)=$($(1)))
+CFLAGS += $(call add-align,CONFIG_CC_ALIGN_FUNCTIONS,-functions)
+CFLAGS += $(call add-align,CONFIG_CC_ALIGN_LABELS,-labels)
+CFLAGS += $(call add-align,CONFIG_CC_ALIGN_LOOPS,-loops)
+CFLAGS += $(call add-align,CONFIG_CC_ALIGN_JUMPS,-jumps)
ifdef CONFIG_FRAME_POINTER
CFLAGS += -fno-omit-frame-pointer $(call cc-option,-fno-optimize-sibling-calls,)
CFLAGS += -fomit-frame-pointer
endif
-ifdef CONFIG_UNWIND_INFO
-CFLAGS += -fasynchronous-unwind-tables
-endif
-
ifdef CONFIG_DEBUG_INFO
CFLAGS += -g
endif
-# Force gcc to behave correct even for buggy distributions
-CFLAGS += $(call cc-option, -fno-stack-protector)
+include $(srctree)/arch/$(ARCH)/Makefile
# arch Makefile may override CC so keep this after arch Makefile is included
NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
# warn about C99 declaration after statement
CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
-# disable pointer signed / unsigned warnings in gcc 4.0
+# disable pointer signedness warnings in gcc 4.0
CFLAGS += $(call cc-option,-Wno-pointer-sign,)
# Default kernel image to build when no specific target is given.
-# KBUILD_IMAGE may be overruled on the command line or
+# KBUILD_IMAGE may be overruled on the commandline or
# set in the environment
# Also any assignments in arch/$(ARCH)/Makefile take precedence over
# this default value
#
# 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.
+# makefile but the arguement 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/
# Build vmlinux
# ---------------------------------------------------------------------------
-# vmlinux is built from the objects selected by $(vmlinux-init) and
+# vmlinux is build 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.
$(MAKE) $(build)=init
# Generate System.map
-quiet_cmd_sysmap = SYSMAP
+quiet_cmd_sysmap = SYSMAP
cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap
# Link of vmlinux
# make menuconfig etc.
# Error messages still appears in the original language
-PHONY += $(vmlinux-dirs)
+.PHONY: $(vmlinux-dirs)
$(vmlinux-dirs): prepare scripts
$(Q)$(MAKE) $(build)=$@
# Build the kernel release string
-# The KERNELRELEASE is stored in a file named include/config/kernel.release
+# The KERNELRELEASE is stored in a file named .kernelrelease
# to be used when executing for example make install or make modules_install
#
# Take the contents of any files called localversion* and the config
localver = $(subst $(space),, \
$(shell cat /dev/null $(_localver)) \
$(patsubst "%",%,$(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.
+# The appended tag is determinded by the SCM used.
#
# Currently, only git is supported.
# Other SCMs can edit scripts/setlocalversion and add the appropriate
localver-full = $(localver)$(localver-auto)
-# Store (new) KERNELRELASE string in include/config/kernel.release
+# Store (new) KERNELRELASE string in .kernelrelease
kernelrelease = $(KERNELVERSION)$(localver-full)
-include/config/kernel.release: include/config/auto.conf FORCE
+.kernelrelease: FORCE
$(Q)rm -f $@
$(Q)echo $(kernelrelease) > $@
# version.h and scripts_basic is processed / created.
# Listed in dependency order
-PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
+.PHONY: prepare archprepare prepare0 prepare1 prepare2 prepare3
# prepare-all is deprecated, use prepare as valid replacement
-PHONY += prepare-all
+.PHONY: prepare-all
# 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 $(srctree)
# 2) Create the include2 directory, used for the second asm symlink
-prepare3: include/config/kernel.release
+prepare3: .kernelrelease
ifneq ($(KBUILD_SRC),)
@echo ' Using $(srctree) as source for kernel'
- $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
+ $(Q)if [ -f $(srctree)/.config ]; then \
echo " $(srctree) is not clean, please run 'make mrproper'";\
echo " in the '$(srctree)' directory.";\
/bin/false; \
# 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
+prepare1: prepare2 include/linux/version.h include/asm \
+ include/config/MARKER
ifneq ($(KBUILD_MODULES),)
+ $(Q)rm -rf $(MODVERDIR)
$(Q)mkdir -p $(MODVERDIR)
- $(Q)rm -f $(MODVERDIR)/*
endif
archprepare: prepare1 scripts_basic
# All the preparing..
prepare prepare-all: prepare0
-# Leave this as default for preprocessing vmlinux.lds.S, which is now
-# done in arch/$(ARCH)/kernel/Makefile
+# 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.
+# Single targets
+# ---------------------------------------------------------------------------
+
+%.s: %.c scripts FORCE
+ $(Q)$(MAKE) $(build)=$(@D) $@
+%.i: %.c scripts FORCE
+ $(Q)$(MAKE) $(build)=$(@D) $@
+%.o: %.c scripts FORCE
+ $(Q)$(MAKE) $(build)=$(@D) $@
+%.ko: scripts FORCE
+ $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) $(build)=$(@D) $(@:.ko=.o)
+ $(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.modpost
+%/: scripts prepare FORCE
+ $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) $(build)=$(@D)
+%.lst: %.c scripts FORCE
+ $(Q)$(MAKE) $(build)=$(@D) $@
+%.s: %.S scripts FORCE
+ $(Q)$(MAKE) $(build)=$(@D) $@
+%.o: %.S scripts FORCE
+ $(Q)$(MAKE) $(build)=$(@D) $@
+
+# 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) $@
+# Split autoconf.h into include/linux/config/*
+
+include/config/MARKER: scripts/basic/split-include include/linux/autoconf.h
+ @echo ' SPLIT include/linux/autoconf.h -> include/config/*'
+ @scripts/basic/split-include include/linux/autoconf.h include/config
+ @touch $@
+
# Generate some files
# ---------------------------------------------------------------------------
# needs to be updated, so this check is forced on all builds
uts_len := 64
-define filechk_utsrelease.h
- if [ `echo -n "$(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 + $(SUBLEVEL)); \
- echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';)
+ if [ `echo -n "$(KERNELRELEASE)" | wc -c ` -gt $(uts_len) ]; then \
+ echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \
+ exit 1; \
+ fi; \
+ (echo \#define UTS_RELEASE \"$(KERNELRELEASE)\"; \
+ echo \#define LINUX_VERSION_CODE `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
+include/linux/version.h: $(srctree)/Makefile .config .kernelrelease FORCE
$(call filechk,version.h)
-include/linux/utsrelease.h: include/config/kernel.release FORCE
- $(call filechk,utsrelease.h)
-
# ---------------------------------------------------------------------------
-PHONY += depend dep
+.PHONY: depend dep
depend dep:
@echo '*** Warning: make $@ is unnecessary now.'
-# ---------------------------------------------------------------------------
-# Kernel headers
-INSTALL_HDR_PATH=$(objtree)/usr
-export INSTALL_HDR_PATH
-
-PHONY += headers_install
-headers_install: include/linux/version.h
- @if [ ! -r include/asm-$(ARCH)/Kbuild ]; then \
- echo '*** Error: Headers not exportable for this architecture ($(ARCH))'; \
- exit 1 ; fi
- $(Q)unifdef -Ux /dev/null
- $(Q)rm -rf $(INSTALL_HDR_PATH)/include
- $(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.headersinst obj=include
-
-PHONY += headers_check
-headers_check: headers_install
- $(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.headersinst obj=include HDRCHECK=1
-
# ---------------------------------------------------------------------------
# Modules
ifdef CONFIG_MODULES
-# By default, build modules as well
+# By default, build modules as well
all: modules
# Build modules
-PHONY += modules
+.PHONY: modules
modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux)
@echo ' Building modules, stage 2.';
$(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.modpost
# Target to prepare building external modules
-PHONY += modules_prepare
+.PHONY: modules_prepare
modules_prepare: prepare scripts
# Target to install modules
-PHONY += modules_install
+.PHONY: modules_install
modules_install: _modinst_ _modinst_post
-PHONY += _modinst_
+.PHONY: _modinst_
_modinst_:
@if [ -z "`$(DEPMOD) -V 2>/dev/null | grep module-init-tools`" ]; then \
echo "Warning: you may need to install module-init-tools"; \
else
depmod_opts := -b $(INSTALL_MOD_PATH) -r
endif
-PHONY += _modinst_post
+.PHONY: _modinst_post
_modinst_post: _modinst_
if [ -r System.map -a -x $(DEPMOD) ]; then $(DEPMOD) -ae -F System.map $(depmod_opts) $(KERNELRELEASE); fi
.tmp_kallsyms* .tmp_version .tmp_vmlinux* .tmp_System.map
# Directories & files removed with 'make mrproper'
-MRPROPER_DIRS += include/config include2 usr/include
+MRPROPER_DIRS += include/config include2
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*
+ include/linux/autoconf.h include/linux/version.h \
+ .kernelrelease Module.symvers tags TAGS cscope*
# clean - Delete most, but leave enough to build external modules
#
clean: rm-files := $(CLEAN_FILES)
clean-dirs := $(addprefix _clean_,$(srctree) $(vmlinux-alldirs))
-PHONY += $(clean-dirs) clean archclean
+.PHONY: $(clean-dirs) clean archclean
$(clean-dirs):
$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
$(call cmd,rmdirs)
$(call cmd,rmfiles)
@find . $(RCS_FIND_IGNORE) \
- \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
- -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
- -o -name '*.symtypes' \) \
+ \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
+ -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \) \
-type f -print | xargs rm -f
# mrproper - Delete all generated files, including .config
mrproper: rm-files := $(wildcard $(MRPROPER_FILES))
mrproper-dirs := $(addprefix _mrproper_,Documentation/DocBook scripts)
-PHONY += $(mrproper-dirs) mrproper archmrproper
+.PHONY: $(mrproper-dirs) mrproper archmrproper
$(mrproper-dirs):
$(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)
# distclean
#
-PHONY += distclean
+.PHONY: distclean
distclean: mrproper
@find $(srctree) $(RCS_FIND_IGNORE) \
- \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
+ \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
-o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
- -o -name '.*.rej' -o -size 0 \
+ -o -name '.*.rej' -o -size 0 \
-o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \
-type f -print | xargs rm -f
# 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) $@
+.PHONY: %-pkg rpm
+
+%pkg: FORCE
+ $(Q)$(MAKE) -f $(package-dir)/Makefile $@
+rpm: FORCE
+ $(Q)$(MAKE) -f $(package-dir)/Makefile $@
# Brief documentation of the typical targets used
@echo ' cscope - Generate cscope index'
@echo ' kernelrelease - Output the release version string'
@echo ' kernelversion - Output the version stored in Makefile'
- @if [ -r include/asm-$(ARCH)/Kbuild ]; then \
- echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \
- fi
- @echo ' (default: $(INSTALL_HDR_PATH))'
@echo ''
@echo 'Static analysers'
+ @echo ' buildcheck - List dangling references to vmlinux discarded sections'
+ @echo ' and init sections from non-init sections'
@echo ' checkstack - Generate a list of stack hogs'
@echo ' namespacecheck - Name space analysis on compiled kernel'
- @if [ -r include/asm-$(ARCH)/Kbuild ]; then \
- echo ' headers_check - Sanity check on exported headers'; \
- fi
@echo ''
@echo 'Kernel packaging:'
- @$(MAKE) $(build)=$(package-dir) help
+ @$(MAKE) -f $(package-dir)/Makefile help
@echo ''
@echo 'Documentation targets:'
@$(MAKE) -f $(srctree)/Documentation/DocBook/Makefile dochelp
@echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
@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 C=1 [targets] Check all c source with $$CHECK (sparse)'
+ @echo ' make C=2 [targets] Force check of all c source with $$CHECK (sparse)'
@echo ''
@echo 'Execute "make" or "make all" to build all targets marked with [*] '
@echo 'For further info see the ./README file'
# 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
+# Install the modules build in the module directory
# Assumes install directory is already created
# We are always building modules
KBUILD_MODULES := 1
-PHONY += crmodverdir
+.PHONY: crmodverdir
crmodverdir:
$(Q)mkdir -p $(MODVERDIR)
- $(Q)rm -f $(MODVERDIR)/*
-PHONY += $(objtree)/Module.symvers
+.PHONY: $(objtree)/Module.symvers
$(objtree)/Module.symvers:
@test -e $(objtree)/Module.symvers || ( \
echo; \
echo )
module-dirs := $(addprefix _module_,$(KBUILD_EXTMOD))
-PHONY += $(module-dirs) modules
+.PHONY: $(module-dirs) modules
$(module-dirs): crmodverdir $(objtree)/Module.symvers
$(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@)
@echo ' Building modules, stage 2.';
$(Q)$(MAKE) -rR -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)
+.PHONY: modules_install
+modules_install:
$(Q)$(MAKE) -rR -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
+.PHONY: $(clean-dirs) clean
$(clean-dirs):
$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
clean: $(clean-dirs)
$(call cmd,rmdirs)
@find $(KBUILD_EXTMOD) $(RCS_FIND_IGNORE) \
- \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
+ \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \) \
-type f -print | xargs rm -f
@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
ALLINCLUDE_ARCHS := $(ARCH)
endif
else
-#Allow user to specify only ALLSOURCE_PATHS on the command line, keeping existing behavour.
+#Allow user to specify only ALLSOURCE_PATHS on the command line, keeping existing behaviour.
ALLINCLUDE_ARCHS := $(ALLSOURCE_ARCHS)
endif
ALLSOURCE_ARCHS := $(ARCH)
-define find-sources
- ( find $(__srctree) $(RCS_FIND_IGNORE) \
+define all-sources
+ ( find $(__srctree) $(RCS_FIND_IGNORE) \
\( -name include -o -name arch \) -prune -o \
- -name $1 -print; \
+ -name '*.[chS]' -print; \
for ARCH in $(ALLSOURCE_ARCHS) ; do \
find $(__srctree)arch/$${ARCH} $(RCS_FIND_IGNORE) \
- -name $1 -print; \
+ -name '*.[chS]' -print; \
done ; \
find $(__srctree)security/selinux/include $(RCS_FIND_IGNORE) \
- -name $1 -print; \
+ -name '*.[chS]' -print; \
find $(__srctree)include $(RCS_FIND_IGNORE) \
\( -name config -o -name 'asm-*' \) -prune \
- -o -name $1 -print; \
+ -o -name '*.[chS]' -print; \
for ARCH in $(ALLINCLUDE_ARCHS) ; do \
find $(__srctree)include/asm-$${ARCH} $(RCS_FIND_IGNORE) \
- -name $1 -print; \
+ -name '*.[chS]' -print; \
done ; \
find $(__srctree)include/asm-generic $(RCS_FIND_IGNORE) \
- -name $1 -print )
-endef
-
-define all-sources
- $(call find-sources,'*.[chS]')
-endef
-define all-kconfigs
- $(call find-sources,'Kconfig*')
-endef
-define all-defconfigs
- $(call find-sources,'defconfig')
+ -name '*.[chS]' -print )
endef
quiet_cmd_cscope-file = FILELST cscope.files
echo "-I __initdata,__exitdata,__acquires,__releases \
-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
--extra=+f --c-kinds=+px"`; \
- $(all-sources) | xargs etags $$ETAGSF -a; \
- if test "x$$ETAGSF" = x; then \
- $(all-kconfigs) | xargs etags -a \
- --regex='/^config[ \t]+\([a-zA-Z0-9_]+\)/\1/'; \
- $(all-defconfigs) | xargs etags -a \
- --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/'; \
- fi
+ $(all-sources) | xargs etags $$ETAGSF -a
endef
TAGS: FORCE
-name '*.[hcS]' -type f -print | sort \
| xargs $(PERL) -w scripts/checkversion.pl
+buildcheck:
+ $(PERL) $(srctree)/scripts/reference_discarded.pl
+ $(PERL) $(srctree)/scripts/reference_init.pl
+
namespacecheck:
$(PERL) $(srctree)/scripts/namespace.pl
endif #ifeq ($(config-targets),1)
endif #ifeq ($(mixed-targets),1)
-PHONY += checkstack kernelrelease kernelversion
+.PHONY: checkstack
checkstack:
$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
$(PERL) $(src)/scripts/checkstack.pl $(ARCH)
kernelrelease:
- $(if $(wildcard include/config/kernel.release), $(Q)echo $(KERNELRELEASE), \
- $(error kernelrelease not valid - run 'make prepare' to update it))
+ $(if $(wildcard .kernelrelease), $(Q)echo $(KERNELRELEASE), \
+ $(error kernelrelease not valid - run 'make *config' 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) -rR -f $(srctree)/scripts/Makefile.modpost
-
# FIXME Should go into a make.lib or something
# ===========================================================================
a_flags = -Wp,-MD,$(depfile) $(AFLAGS) $(AFLAGS_KERNEL) \
$(NOSTDINC_FLAGS) $(CPPFLAGS) \
- $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(basetarget).o)
+ $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(*F).o)
quiet_cmd_as_o_S = AS $@
cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $<
endif # skip-makefile
-PHONY += FORCE
FORCE:
-
-
-# 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)
git://git.onelab.eu / linux-2.6.git / blobdiff