-VERSION = 2
-PATCHLEVEL = 6
-SUBLEVEL = 36
-EXTRAVERSION = -rc5
-NAME = Sheep on Meth
+VERSION = 3
+PATCHLEVEL = 1
+SUBLEVEL = 0
+EXTRAVERSION = -rc1
+NAME = Sneaky Weasel
# *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 := $(W)
+endif
+
# That's our default target when none is given on the command line
PHONY := _all
_all:
endif
# Additional ARCH settings for sparc
+ifeq ($(ARCH),sparc32)
+ SRCARCH := sparc
+endif
ifeq ($(ARCH),sparc64)
SRCARCH := sparc
endif
SRCARCH := sh
endif
+# Additional ARCH settings for tile
+ifeq ($(ARCH),tilepro)
+ SRCARCH := tile
+endif
+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; \
# Use LINUXINCLUDE when you must reference the include/ directory.
# Needed to be compatible with the O= option
-LINUXINCLUDE := -I$(srctree)/arch/$(hdr-arch)/include -Iinclude \
+LINUXINCLUDE := -I$(srctree)/arch/$(hdr-arch)/include \
+ -Iarch/$(hdr-arch)/include/generated -Iinclude \
$(if $(KBUILD_SRC), -I$(srctree)/include) \
- -include include/generated/autoconf.h
+ -include $(srctree)/include/linux/kconfig.h
KBUILD_CPPFLAGS := -D__KERNEL__
# Read KERNELRELEASE from include/config/kernel.release (if it exists)
KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
-KERNELVERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
+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 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
$(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
# 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% coccicheck \
+ cscope gtags TAGS tags help %docs check% coccicheck \
include/linux/version.h headers_% \
kernelversion %src-pkg
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
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
KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
# disable pointer signed / unsigned warnings in gcc 4.0
-KBUILD_CFLAGS += $(call cc-option,-Wno-pointer-sign,)
+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 $(CC)), y)
+ KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO
+endif
+
# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
# But warn user when we do so
warn-assign = \
# INSTALL_MOD_STRIP, if defined, will cause modules to be
# stripped after they are installed. If INSTALL_MOD_STRIP is '1', then
# the default option --strip-debug will be used. Otherwise,
-# INSTALL_MOD_STRIP will used as the options to the strip command.
+# INSTALL_MOD_STRIP value will be used as the options to the strip command.
ifdef INSTALL_MOD_STRIP
ifeq ($(INSTALL_MOD_STRIP),1)
# o The correct .tmp_kallsyms2.o is linked into the final vmlinux.
# o Verify that the System.map from vmlinux matches the map from
# .tmp_vmlinux2, just in case we did not generate kallsyms correctly.
-# o If CONFIG_KALLSYMS_EXTRA_PASS is set, do an extra pass using
+# 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.
-ifdef CONFIG_KALLSYMS_EXTRA_PASS
-last_kallsyms := 3
-else
last_kallsyms := 2
+
+ifdef KALLSYMS_EXTRA_PASS
+ifneq ($(KALLSYMS_EXTRA_PASS),0)
+last_kallsyms := 3
+endif
endif
kallsyms.o := .tmp_kallsyms$(last_kallsyms).o
$(cmd_sysmap) .tmp_vmlinux$(last_kallsyms) .tmp_System.map
$(Q)cmp -s System.map .tmp_System.map || \
(echo Inconsistent kallsyms data; \
- echo Try setting CONFIG_KALLSYMS_EXTRA_PASS; \
+ 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
endif
# prepare2 creates a makefile if using a separate output directory
-prepare2: prepare3 outputmakefile
+prepare2: prepare3 outputmakefile asm-generic
prepare1: prepare2 include/linux/version.h include/generated/utsrelease.h \
include/config/auto.conf
define filechk_version.h
(echo \#define LINUX_VERSION_CODE $(shell \
- expr $(VERSION) \* 65536 + $(PATCHLEVEL) \* 256 + $(SUBLEVEL)); \
+ expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \
echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';)
endef
PHONY += headerdep
headerdep:
- $(Q)find include/ -name '*.h' | xargs --max-args 1 scripts/headerdep.pl
+ $(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \
+ $(srctree)/scripts/headerdep.pl -I$(srctree)/include
# ---------------------------------------------------------------------------
hdr-dst = $(if $(KBUILD_HEADERS), dst=include/asm-$(hdr-arch), dst=include/asm)
PHONY += __headers
-__headers: include/linux/version.h scripts_basic FORCE
- $(Q)$(MAKE) $(build)=scripts scripts/unifdef
+__headers: include/linux/version.h scripts_basic asm-generic FORCE
+ $(Q)$(MAKE) $(build)=scripts build_unifdef
PHONY += headers_install_all
headers_install_all:
PHONY += _modinst_
_modinst_:
- @if [ -z "`$(DEPMOD) -V 2>/dev/null | grep module-init-tools`" ]; then \
- echo "Warning: you may need to install module-init-tools"; \
- echo "See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt";\
- sleep 1; \
- fi
@rm -rf $(MODLIB)/kernel
@rm -f $(MODLIB)/source
@mkdir -p $(MODLIB)/kernel
.tmp_kallsyms* .tmp_version .tmp_vmlinux* .tmp_System.map
# Directories & files removed with 'make mrproper'
-MRPROPER_DIRS += include/config usr/include include/generated
+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*
+ 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
#
@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 ' 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'
# Documentation targets
# ---------------------------------------------------------------------------
%docs: scripts_basic FORCE
+ $(Q)$(MAKE) $(build)=scripts build_docproc
$(Q)$(MAKE) $(build)=Documentation/DocBook $@
else # KBUILD_EXTMOD
$(Q)$(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 $(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: FORCE
+tags TAGS cscope gtags: FORCE
$(call cmd,tags)
# Scripts to check various things for consistency
# ---------------------------------------------------------------------------
+PHONY += includecheck versioncheck coccicheck namespacecheck export_report
+
includecheck:
- find * $(RCS_FIND_IGNORE) \
+ find $(srctree)/* $(RCS_FIND_IGNORE) \
-name '*.[hcS]' -type f -print | sort \
| xargs $(PERL) -w $(srctree)/scripts/checkincludes.pl
versioncheck:
- find * $(RCS_FIND_IGNORE) \
+ find $(srctree)/* $(RCS_FIND_IGNORE) \
-name '*.[hcS]' -type f -print | sort \
| xargs $(PERL) -w $(srctree)/scripts/checkversion.pl
# Run depmod only if 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) ) \
- $(KERNELRELEASE); \
- fi
+ 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
Code Review / linux-2.6.git / blobdiff