VERSION = 2
PATCHLEVEL = 6
-SUBLEVEL = 34
-EXTRAVERSION =
-NAME = Sheep on Meth
+SUBLEVEL = 39
+EXTRAVERSION = -rc5
+NAME = Flesh-Eating Bats with Fangs
# *DOCUMENTATION*
# To see a list of typical targets execute "make help"
KBUILD_OUTPUT := $(O)
endif
+ifeq ("$(origin W)", "command line")
+ export KBUILD_ENABLE_EXTRA_GCC_CHECKS := 1
+endif
+
# That's our default target when none is given on the command line
PHONY := _all
_all:
# 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 ?=
+CROSS_COMPILE ?= $(CONFIG_CROSS_COMPILE:"%"=%)
# Architecture as present in compile.h
UTS_MACHINE := $(ARCH)
endif
# Additional ARCH settings for sparc
+ifeq ($(ARCH),sparc32)
+ SRCARCH := sparc
+endif
ifeq ($(ARCH),sparc64)
SRCARCH := sparc
endif
SRCARCH := sh
endif
+# Additional ARCH settings for tile
+ifeq ($(ARCH),tilegx)
+ SRCARCH := tile
+endif
+
# Where to locate arch specific headers
hdr-arch := $(SRCARCH)
endif
KCONFIG_CONFIG ?= .config
+export KCONFIG_CONFIG
# SHELL used by kbuild
CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
-Wbitwise -Wno-return-void $(CF)
-MODFLAGS = -DMODULE
-CFLAGS_MODULE = $(MODFLAGS)
-AFLAGS_MODULE = $(MODFLAGS)
-LDFLAGS_MODULE = -T $(srctree)/scripts/module-common.lds
+CFLAGS_MODULE =
+AFLAGS_MODULE =
+LDFLAGS_MODULE =
CFLAGS_KERNEL =
AFLAGS_KERNEL =
CFLAGS_GCOV = -fprofile-arcs -ftest-coverage
-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)
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
# When compiling out-of-tree modules, put MODVERDIR in the module
# tree rather than in the kernel tree. The kernel tree might
# 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% \
+ cscope gtags TAGS tags help %docs check% coccicheck \
include/linux/version.h headers_% \
- kernelrelease kernelversion
+ kernelversion %src-pkg
config-targets := 0
mixed-targets := 0
# 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 to vmlinux, but the arch makefile usually adds further targets
all: vmlinux
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
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
# disable invalid "can't wrap" optimizations for signed / pointers
KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow)
-# revert to pre-gcc-4.4 behaviour of .eh_frame
-KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)
-
# conserve stack if available
KBUILD_CFLAGS += $(call cc-option,-fconserve-stack)
+# check for 'asm goto'
+ifeq ($(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 = \
# Use --build-id when available.
LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\
$(call cc-ldoption, -Wl$(comma)--build-id,))
-LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)
+KBUILD_LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)
LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID)
ifeq ($(CONFIG_STRIP_ASM_SYMS),y)
# 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.
+# INSTALL_MOD_STRIP value will be used as the options to the strip command.
ifdef INSTALL_MOD_STRIP
ifeq ($(INSTALL_MOD_STRIP),1)
PHONY += $(vmlinux-dirs)
$(vmlinux-dirs): prepare scripts
$(Q)$(MAKE) $(build)=$@
-ifdef CONFIG_MODULES
- $(Q)$(MAKE) $(modbuiltin)=$@
-endif
-
-# 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.
-#
-# .scmversion is used when generating rpm packages so we do not loose
-# the version information from the SCM when we do the build of the kernel
-# from the copied source
-ifdef CONFIG_LOCALVERSION_AUTO
-
-ifeq ($(wildcard .scmversion),)
- _localver-auto = $(shell $(CONFIG_SHELL) \
- $(srctree)/scripts/setlocalversion $(srctree))
-else
- _localver-auto = $(shell cat .scmversion 2> /dev/null)
-endif
-
- 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) > $@
+ $(Q)echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" > $@
# Things we need to do before we recursively start building the kernel
PHONY += __headers
__headers: include/linux/version.h scripts_basic FORCE
- $(Q)$(MAKE) $(build)=scripts scripts/unifdef
+ $(Q)$(MAKE) $(build)=scripts build_unifdef
PHONY += headers_install_all
headers_install_all:
# using awk while concatenating to the final file.
PHONY += modules
-modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux)
+modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin
$(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order
- $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.builtin) > $(objtree)/modules.builtin
@$(kecho) ' Building modules, stage 2.';
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modbuild
+modules.builtin: $(vmlinux-dirs:%=%/modules.builtin)
+ $(Q)$(AWK) '!x[$$0]++' $^ > $(objtree)/modules.builtin
+
+%/modules.builtin: include/config/auto.conf
+ $(Q)$(MAKE) $(modbuiltin)=$*
+
# Target to prepare building external modules
PHONY += modules_prepare
MRPROPER_DIRS += include/config usr/include include/generated
MRPROPER_FILES += .config .config.old .version .old_version \
include/linux/version.h \
- Module.symvers tags TAGS cscope*
+ 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 := $(addprefix _clean_,$(srctree) $(vmlinux-alldirs) Documentation)
+clean-dirs := $(addprefix _clean_, . $(vmlinux-alldirs) Documentation)
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) \
- \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
- -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
- -o -name '*.symtypes' -o -name 'modules.order' \
- -o -name modules.builtin -o -name '.tmp_*.o.*' \
- -o -name '*.gcno' \) -type f -print | xargs rm -f
+clean: archclean
# mrproper - Delete all generated files, including .config
#
# 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
@echo ' firmware_install- Install all firmware to INSTALL_FW_PATH'
@echo ' (default: $$(INSTALL_MOD_PATH)/lib/firmware)'
@echo ' dir/ - Build all files in dir and below'
- @echo ' dir/file.[ois] - Build specified target only'
+ @echo ' dir/file.[oisS] - Build specified target only'
+ @echo ' dir/file.lst - Build specified mixed source/assembly target only'
+ @echo ' (requires a recent binutils and recent build (System.map))'
@echo ' dir/file.ko - Build module including final link'
@echo ' modules_prepare - Set up for building external modules'
@echo ' tags/TAGS - Generate tags file for editors'
@echo ' cscope - Generate cscope index'
+ @echo ' gtags - Generate GNU GLOBAL index'
@echo ' kernelrelease - Output the release version string'
@echo ' kernelversion - Output the version stored in Makefile'
@echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'; \
@echo ' includecheck - Check for duplicate included header files'
@echo ' export_report - List the usages of all exported symbols'
@echo ' headers_check - Sanity check on exported headers'
- @echo ' headerdep - Detect inclusion cycles in headers'; \
- echo ''
+ @echo ' headerdep - Detect inclusion cycles in headers'
+ @$(MAKE) -f $(srctree)/scripts/Makefile.help checker-help
+ @echo ''
@echo 'Kernel packaging:'
@$(MAKE) $(build)=$(package-dir) help
@echo ''
@echo ' make O=dir [targets] Locate all output files in "dir", including .config'
@echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)'
@echo ' make C=2 [targets] Force check of all c source with $$CHECK'
+ @echo ' make W=1 [targets] Enable extra gcc checks'
@echo ''
@echo 'Execute "make" or "make all" to build all targets marked with [*] '
@echo 'For further info see the ./README file'
$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
clean: rm-dirs := $(MODVERDIR)
-clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers \
- $(KBUILD_EXTMOD)/modules.order \
- $(KBUILD_EXTMOD)/modules.builtin
-clean: $(clean-dirs)
- $(call cmd,rmdirs)
- $(call cmd,rmfiles)
- @find $(KBUILD_EXTMOD) $(RCS_FIND_IGNORE) \
- \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
- -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
- -o -name '*.gcno' \) -type f -print | xargs rm -f
+clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers
help:
@echo ' Building external modules.'
scripts: ;
endif # KBUILD_EXTMOD
+clean: $(clean-dirs)
+ $(call cmd,rmdirs)
+ $(call cmd,rmfiles)
+ @find $(or $(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: FORCE
+tags TAGS cscope gtags: FORCE
$(call cmd,tags)
# Scripts to check various things for consistency
-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
$(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH)
kernelrelease:
- $(if $(wildcard include/config/kernel.release), $(Q)echo $(KERNELRELEASE), \
- $(error kernelrelease not valid - run 'make prepare' to update it))
+ @echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
+
kernelversion:
@echo $(KERNELVERSION)
$(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)
Code Review / linux-2.6.git / blobdiff