VERSION = 1
-PATCHLEVEL = 4
-SUBLEVEL = 0
-EXTRAVERSION = .svn
+PATCHLEVEL = 22
+SUBLEVEL = 1
+EXTRAVERSION =
NAME = Unnamed
# *DOCUMENTATION*
# 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 srctree objtree VPATH TOPDIR
-# SUBARCH tells the usermode build what the underlying arch is. That is set
-# first, and if a usermode build is happening, the "ARCH=um" on the command
-# line overrides the setting of ARCH below. If a native build is happening,
-# then ARCH is assigned, getting whatever value it gets normally, and
-# SUBARCH is subsequently ignored.
-
-SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
- -e s/arm.*/arm/ -e s/sa110/arm/ \
- -e s/s390x/s390/ -e s/parisc64/parisc/ \
- -e s/ppc.*/powerpc/ -e s/mips.*/mips/ )
-
# Cross compiling and selecting different set of gcc/bin-utils
# ---------------------------------------------------------------------------
#
# Default value for CROSS_COMPILE is not to prefix executables
# Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile
-ARCH ?= $(SUBARCH)
-CROSS_COMPILE ?=
+CROSS_COMPILE ?=
+# bbox: we may have CONFIG_CROSS_COMPILER_PREFIX in .config,
+# and it has not been included yet... thus using an awkward syntax.
+ifeq ($(CROSS_COMPILE),)
+CROSS_COMPILE := $(shell grep ^CONFIG_CROSS_COMPILER_PREFIX .config 2>/dev/null)
+CROSS_COMPILE := $(subst CONFIG_CROSS_COMPILER_PREFIX=,,$(CROSS_COMPILE))
+CROSS_COMPILE := $(subst ",,$(CROSS_COMPILE))
+#")
+endif
+
+# 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.
+
+ifneq ($(CROSS_COMPILE),)
+SUBARCH := $(shell echo $(CROSS_COMPILE) | cut -d- -f1)
+else
+SUBARCH := $(shell uname -m)
+endif
+SUBARCH := $(shell echo $(SUBARCH) | 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/ )
+
+ARCH ?= $(SUBARCH)
# Architecture as present in compile.h
UTS_MACHINE := $(ARCH)
else if [ -x /bin/bash ]; then echo /bin/bash; \
else echo sh; fi ; fi)
-HOSTCC = gcc
-HOSTCXX = g++
-HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
-HOSTCXXFLAGS = -O2
-
# Decide whether to build built-in, modular, or both.
# Normally, just do built-in.
# 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 "quiet_", only the short version will be printed.
# If it is set to "silent_", nothing wil be printed at all, since
# the variable $(silent_cmd_cc_o_c) doesn't exist.
#
# Look for make include files relative to root of kernel src
MAKEFLAGS += --include-dir=$(srctree)
+HOSTCC = gcc
+HOSTCXX = g++
+HOSTCFLAGS :=
+HOSTCXXFLAGS :=
# We need some generic definitions
include $(srctree)/scripts/Kbuild.include
+HOSTCFLAGS += $(call hostcc-option,-Wall -Wstrict-prototypes -O2 -fomit-frame-pointer,)
+HOSTCXXFLAGS += -O2
+
# For maximum performance (+ possibly random breakage, uncomment
# the following)
AS = $(CROSS_COMPILE)as
CC = $(CROSS_COMPILE)gcc
-LD = $(CROSS_COMPILE)ld
+LD = $(CC) -nostdlib
CPP = $(CC) -E
AR = $(CROSS_COMPILE)ar
NM = $(CROSS_COMPILE)nm
STRIP = $(CROSS_COMPILE)strip
OBJCOPY = $(CROSS_COMPILE)objcopy
OBJDUMP = $(CROSS_COMPILE)objdump
+PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config
AWK = awk
GENKSYMS = scripts/genksyms/genksyms
DEPMOD = /sbin/depmod
# Use LINUXINCLUDE when you must reference the include/ directory.
# Needed to be compatible with the O= option
-CFLAGS :=
-CPPFLAGS :=
-AFLAGS :=
+CFLAGS := $(CFLAGS)
+# Added only to final link stage of busybox binary
+CFLAGS_busybox := $(CFLAGS_busybox)
+CPPFLAGS := $(CPPFLAGS)
+AFLAGS := $(AFLAGS)
+LDFLAGS := $(LDFLAGS)
+LDLIBS :=
# Read KERNELRELEASE from .kernelrelease (if it exists)
KERNELRELEASE = $(shell cat .kernelrelease 2> /dev/null)
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
+export FLTFLAGS
# When compiling out-of-tree modules, put MODVERDIR in the module
# tree rather than in the kernel tree. The kernel tree might
# To avoid any implicit rule to kick in, define an empty command.
scripts/basic/%: scripts_basic ;
+# This target generates Kbuild's and Config.in's from *.c files
+PHONY += gen_build_files
+gen_build_files: $(wildcard $(srctree)/*/*.c) $(wildcard $(srctree)/*/*/*.c)
+ $(Q)$(srctree)/scripts/gen_build_files.sh $(srctree) $(objtree)
+
+# bbox: we have helpers in applets/
+# we depend on scripts_basic, since scripts/basic/fixdep
+# must be built before any other host prog
+PHONY += applets_dir
+applets_dir: scripts_basic gen_build_files
+ $(Q)$(MAKE) $(build)=applets
+
+applets/%: applets_dir ;
+
PHONY += outputmakefile
# outputmakefile generates a Makefile in the output directory, if using a
# separate output directory. This allows convenient use of make in the
# 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%
+ cscope TAGS tags help %docs
+#bbox# check% is removed from above
config-targets := 0
mixed-targets := 0
-include $(srctree)/arch/$(ARCH)/Makefile
export KBUILD_DEFCONFIG
-config %config: scripts_basic outputmakefile FORCE
+config: scripts_basic outputmakefile gen_build_files FORCE
+ $(Q)mkdir -p include
+ $(Q)$(MAKE) $(build)=scripts/kconfig $@
+ $(Q)$(MAKE) -C $(srctree) KBUILD_SRC= .kernelrelease
+
+%config: scripts_basic outputmakefile gen_build_files FORCE
$(Q)mkdir -p include
$(Q)$(MAKE) $(build)=scripts/kconfig $@
$(Q)$(MAKE) -C $(srctree) KBUILD_SRC= .kernelrelease
ifeq ($(KBUILD_EXTMOD),)
# Additional helpers built in scripts/
# Carefully list dependencies so we do not try to build scripts twice
-# in parrallel
+# in parallel
PHONY += scripts
-scripts: scripts_basic include/config/MARKER
+scripts: gen_build_files scripts_basic include/config/MARKER
$(Q)$(MAKE) $(build)=$(@)
scripts_basic: include/autoconf.h
libs-y := \
archival/ \
- archival/libunarchive/ \
+ archival/libarchive/ \
console-tools/ \
coreutils/ \
coreutils/libcoreutils/ \
libbb/ \
libpwdgrp/ \
loginutils/ \
+ mailutils/ \
miscutils/ \
modutils/ \
networking/ \
networking/libiproute/ \
networking/udhcp/ \
+ printutils/ \
procps/ \
runit/ \
+ selinux/ \
shell/ \
sysklogd/ \
util-linux/ \
+ util-linux/volume_id/ \
endif # KBUILD_EXTMOD
# with it and forgot to run make oldconfig.
# 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/autoconf.h: .kconfig.d .config
+include/autoconf.h: .kconfig.d .config $(wildcard $(srctree)/*/*.c) $(wildcard $(srctree)/*/*/*.c) | gen_build_files
$(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
+include/usage.h: gen_build_files
+
else
# Dummy target needed, because used as prerequisite
include/autoconf.h: ;
# 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 busybox but it is usually overriden in the arch makefile
-all: busybox
+# Defaults busybox but it is usually overridden in the arch makefile
+all: busybox doc
-include $(srctree)/arch/$(ARCH)/Makefile
#bbox# NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
CHECKFLAGS += $(NOSTDINC_FLAGS)
-# warn about C99 declaration after statement
-CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
-
-# disable pointer signedness warnings in gcc 4.0
-CFLAGS += $(call cc-option,-Wno-pointer-sign,)
-
# Default kernel image to build when no specific target is given.
# KBUILD_IMAGE may be overruled on the commandline or
# set in the environment
# Rule to link busybox - also used during CONFIG_KALLSYMS
# May be overridden by arch/$(ARCH)/Makefile
quiet_cmd_busybox__ ?= LINK $@
- cmd_busybox__ ?= $(srctree)/scripts/trylink $(CC) $(patsubst %,-Wl$(comma)%,$(LDFLAGS)) \
- -o $@ \
- -Wl,--warn-common -Wl,--sort-common -Wl,--gc-sections \
- -Wl,--start-group $(busybox-all) -Wl,--end-group
+ cmd_busybox__ ?= $(srctree)/scripts/trylink \
+ "$@" \
+ "$(CC)" \
+ "$(CFLAGS) $(CFLAGS_busybox)" \
+ "$(LDFLAGS) $(EXTRA_LDFLAGS)" \
+ "$(core-y)" \
+ "$(libs-y)" \
+ "$(LDLIBS)"
# Generate System.map
-quiet_cmd_sysmap = SYSMAP
+quiet_cmd_sysmap = SYSMAP
cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap
# Link of busybox
# First command is ':' to allow us to use + in front of this rule
cmd_ksym_ld = $(cmd_busybox__)
define rule_ksym_ld
- :
+ :
+$(call cmd,busybox_version)
$(call cmd,busybox__)
$(Q)echo 'cmd_$@ := $(cmd_busybox__)' > $(@D)/.$(@F).cmd
$(Q)rm -f .old_version
busybox: busybox_unstripped
+ifeq ($(SKIP_STRIP),y)
+ $(Q)cp $< $@
+else
$(Q)$(STRIP) -s --remove-section=.note --remove-section=.comment \
busybox_unstripped -o $@
+# strip is confused by PIE executable and does not set exec bits
+ $(Q)chmod a+x $@
+endif
-# The actual objects are generated when descending,
+# The actual objects are generated when descending,
# make sure no implicit rule kicks in
$(sort $(busybox-all)): $(busybox-dirs) ;
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 determinded by the SCM used.
# Currently, only git is supported.
# Other SCMs can edit scripts/setlocalversion and add the appropriate
# checks as needed.
-ifdef CONFIG_LOCALVERSION_AUTO
+ifdef _BB_DISABLED_CONFIG_LOCALVERSION_AUTO
_localver-auto = $(shell $(CONFIG_SHELL) \
$(srctree)/scripts/setlocalversion $(srctree))
localver-auto = $(LOCALVERSION)$(_localver-auto)
# 2) Create the include2 directory, used for the second asm symlink
prepare3: .kernelrelease
ifneq ($(KBUILD_SRC),)
- @echo ' Using $(srctree) as source for kernel'
+ @echo ' Using $(srctree) as source for busybox'
$(Q)if [ -f $(srctree)/.config ]; then \
echo " $(srctree) is not clean, please run 'make mrproper'";\
echo " in the '$(srctree)' directory.";\
$(Q)rm -f $(MODVERDIR)/*
endif
-archprepare: prepare1 scripts_basic
+archprepare: prepare1 scripts_basic applets_dir
prepare0: archprepare FORCE
$(Q)$(MAKE) $(build)=.
# Split autoconf.h into include/linux/config/*
quiet_cmd_gen_bbconfigopts = GEN include/bbconfigopts.h
- cmd_gen_bbconfigopts = $(srctree)/scripts/mkconfigs > include/bbconfigopts.h
+ cmd_gen_bbconfigopts = $(srctree)/scripts/mkconfigs include/bbconfigopts.h include/bbconfigopts_bz2.h
quiet_cmd_split_autoconf = SPLIT include/autoconf.h -> include/config/*
cmd_split_autoconf = scripts/basic/split-include include/autoconf.h include/config
#bbox# piggybacked generation of few .h files
# ---------------------------------------------------------------------------
# Modules
-ifdef CONFIG_MODULES
+ifdef _BB_DISABLED_CONFIG_MODULES
# By default, build modules as well
# make distclean Remove editor backup files, patch leftover files and the like
# Directories & files removed with 'make clean'
-CLEAN_DIRS += $(MODVERDIR)
-CLEAN_FILES += busybox* System.map \
+CLEAN_DIRS += $(MODVERDIR) _install 0_lib
+CLEAN_FILES += busybox busybox_unstripped* busybox.links \
+ System.map .kernelrelease \
.tmp_kallsyms* .tmp_version .tmp_busybox* .tmp_System.map
# Directories & files removed with 'make mrproper'
MRPROPER_DIRS += include/config include2
MRPROPER_FILES += .config .config.old include/asm .version .old_version \
+ include/NUM_APPLETS.h \
include/autoconf.h \
include/bbconfigopts.h \
+ include/bbconfigopts_bz2.h \
include/usage_compressed.h \
- .kernelrelease Module.symvers tags TAGS cscope*
+ include/applet_tables.h \
+ include/applets.h \
+ include/usage.h \
+ applets/usage \
+ .kernelrelease Module.symvers tags TAGS cscope* \
+ busybox_old
# clean - Delete most, but leave enough to build external modules
#
$(call cmd,rmdirs)
$(call cmd,rmfiles)
@find . $(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
+PHONY += doc-clean
+doc-clean: rm-files := docs/busybox.pod \
+ docs/BusyBox.html docs/busybox.1 docs/BusyBox.txt
+doc-clean:
+ $(call cmd,rmfiles)
+
# mrproper - Delete all generated files, including .config
#
mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS))
mrproper: clean archmrproper $(mrproper-dirs)
$(call cmd,rmdirs)
$(call cmd,rmfiles)
+ @find . -name Config.src | sed 's/.src$$/.in/' | xargs -r rm -f
+ @find . -name Kbuild.src | sed 's/.src$$//' | xargs -r rm -f
# distclean
#
distclean: mrproper
@find $(srctree) $(RCS_FIND_IGNORE) \
- \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
+ \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
-o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
- -o -name '.*.rej' -o -size 0 \
+ -o -name '.*.rej' -o -name '*.tmp' -o -size 0 \
-o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \
-type f -print | xargs rm -f
# Brief documentation of the typical targets used
# ---------------------------------------------------------------------------
-boards := $(wildcard $(srctree)/arch/$(ARCH)/configs/*_defconfig)
+boards := $(wildcard $(srctree)/configs/*_defconfig)
boards := $(notdir $(boards))
-include $(srctree)/Makefile.help
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
-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: ;
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
# Modules
-/ %/: prepare scripts FORCE
+%/: prepare scripts FORCE
$(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
$(build)=$(build-dir)
+/: 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
+# FIXME Should go into a make.lib or something
# ===========================================================================
quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs)))
projects / platform / upstream / busybox.git / blobdiff