# You shouldn't need to mess with anything beyond this point...
#--------------------------------------------------------------
noconfig_targets := menuconfig config oldconfig randconfig \
- defconfig allyesconfig allnoconfig clean distclean \
+ defconfig allyesconfig allnoconfig allbareconfig \
+ clean distclean help \
release tags
# the toplevel sourcedir
.PHONY: _all
_all:
-# All object directories.
-OBJ_DIRS = scripts/config include $(DIRS)
-$(OBJ_DIRS):
- mkdir -p "$(patsubst %,$(top_builddir)/%,$@)"
-
-scripts/config/Makefile: $(top_srcdir)/scripts/config/Makefile
- cp -v $< $@
-
-include $(top_srcdir)/Rules.mak
-
-CONFIG_CONFIG_IN = $(top_srcdir)/sysdeps/$(TARGET_OS)/Config.in
-CONFIG_DEFCONFIG = $(top_srcdir)/sysdeps/$(TARGET_OS)/defconfig
+CONFIG_CONFIG_IN = $(top_srcdir)/Config.in
ifeq ($(KBUILD_SRC),)
ifdef O
ifeq ("$(origin O)", "command line")
KBUILD_OUTPUT := $(O)
+ top_builddir := $(O)
endif
else
# If no alternate output-dir was specified, we build in cwd
KBUILD_OUTPUT := $(top_builddir)
endif
+ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
+# pull in OS specific commands like cp, mkdir, etc. early
+-include $(top_srcdir)/Rules.mak
+endif
+
+# All object directories.
+OBJ_DIRS := $(DIRS)
+all_tree := $(patsubst %,$(top_builddir)/%,$(OBJ_DIRS) scripts scripts/config include)
+all_tree: $(all_tree)
+$(all_tree):
+ @mkdir -p "$@"
+
ifneq ($(KBUILD_OUTPUT),)
# Invoke a second make in the output directory, passing relevant variables
-# check that the output directory actually exists
+# Check that the output directory actually exists
saved-output := $(KBUILD_OUTPUT)
KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
$(if $(wildcard $(KBUILD_OUTPUT)),, \
$(error output directory "$(saved-output)" does not exist))
-# We only need a copy of the Makefile for the config targets and reuse
-# the rest from the source directory, i.e. we do not cp ALL_MAKEFILES.
-all_tree: $(OBJ_DIRS) $(KBUILD_OUTPUT)/Rules.mak $(KBUILD_OUTPUT)/Makefile scripts/config/Makefile
-
.PHONY: $(MAKECMDGOALS)
$(filter-out _all,$(MAKECMDGOALS)) _all: $(KBUILD_OUTPUT)/Rules.mak $(KBUILD_OUTPUT)/Makefile all_tree
-#all:
- $(MAKE) -C $(KBUILD_OUTPUT) \
+ $(Q)$(MAKE) -C $(KBUILD_OUTPUT) \
top_srcdir=$(top_srcdir) \
top_builddir=$(top_builddir) \
KBUILD_SRC=$(top_srcdir) \
ifeq ($(skip-makefile),)
+# We only need a copy of the Makefile for the config targets and reuse
+# the rest from the source directory, i.e. we do not cp ALL_MAKEFILES.
+scripts/config/Makefile: $(top_srcdir)/scripts/config/Makefile
+ cp $< $@
+
_all: all
help:
@echo
@echo 'Configuration:'
@echo ' allnoconfig - disable all symbols in .config'
- @echo ' allyesconfig - enable (almost) all symbols in .config'
- @echo ' config - text based configurator (of last resort).'
- @echo ' defconfig - set .config to defaults'
+ @echo ' allyesconfig - enable all symbols in .config (see defconfig)'
+ @echo ' allbareconfig - enable all applets without any sub-features'
+ @echo ' config - text based configurator (of last resort)'
+ @echo ' defconfig - set .config to largest generic configuration'
@echo ' menuconfig - interactive curses-based configurator'
@echo ' oldconfig - resolve any unresolved symbols in .config'
@echo
@echo 'Installation:'
- @echo ' install - install busybox and symlinks into $prefix'
- @echo ' install-hardlinks - install busybox and hardlinks into $prefix'
+ @echo ' install - install busybox into $(PREFIX)'
@echo ' uninstall'
@echo
@echo 'Development:'
+ @echo ' bloatcheck - show size difference between old and new versions'
@echo ' check - run the test suite for all applets'
+ @echo ' checkhelp - check for missing help-entries in Config.in'
@echo ' randconfig - generate a random configuration'
@echo ' release - create a distribution tarball'
@echo ' sizes - show size of all enabled busybox symbols'
+ @echo ' objsizes - show size of each .o object built'
@echo
+include $(top_srcdir)/Rules.mak
+
ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
+# Default target if none was requested explicitly
all: menuconfig
+# warn if no configuration exists and we are asked to build a non-config target
+.config:
+ @echo ""
+ @echo "No $(top_builddir)/$@ found!"
+ @echo "Please refer to 'make help', section Configuration."
+ @echo ""
+ @exit 1
+
# configuration
# ---------------------------------------------------------------------------
scripts/config/conf: scripts/config/Makefile
- $(MAKE) -C scripts/config conf
+ $(Q)$(MAKE) -C scripts/config conf
-@if [ ! -f .config ] ; then \
- cp $(CONFIG_DEFCONFIG) .config; \
+ touch .config; \
fi
scripts/config/mconf: scripts/config/Makefile
- $(MAKE) -C scripts/config ncurses conf mconf
+ $(Q)$(MAKE) -C scripts/config ncurses conf mconf
-@if [ ! -f .config ] ; then \
- cp $(CONFIG_DEFCONFIG) .config; \
+ touch .config; \
fi
menuconfig: scripts/config/mconf
+ @[ -f .config ] || make $(MAKEFLAGS) defconfig
@./scripts/config/mconf $(CONFIG_CONFIG_IN)
config: scripts/config/conf
allyesconfig: scripts/config/conf
@./scripts/config/conf -y $(CONFIG_CONFIG_IN)
- sed -i -r -e "s/^(CONFIG_DEBUG|USING_CROSS_COMPILER|CONFIG_STATIC|CONFIG_SELINUX).*/# \1 is not set/" .config
+ @$(SED) -i -r -e "s/^(USING_CROSS_COMPILER)=.*/# \1 is not set/" .config
@./scripts/config/conf -o $(CONFIG_CONFIG_IN)
allnoconfig: scripts/config/conf
@./scripts/config/conf -n $(CONFIG_CONFIG_IN)
+# defconfig is allyesconfig minus any features that are specialized enough
+# or cause enough behavior change that the user really should switch them on
+# manually if that's what they want. Sort of "maximum sane config".
+
defconfig: scripts/config/conf
- @./scripts/config/conf -d $(CONFIG_CONFIG_IN)
+ @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
+ @$(SED) -i -r -e "s/^(USING_CROSS_COMPILER|CONFIG_(DEBUG.*|STATIC|SELINUX|BUILD_(AT_ONCE|LIBBUSYBOX)|FEATURE_(DEVFS|FULL_LIBBUSYBOX|SHARED_BUSYBOX|MTAB_SUPPORT|CLEAN_UP|UDHCP_DEBUG)|INSTALL_NO_USR))=.*/# \1 is not set/" .config
+ @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
+
+
+allbareconfig: scripts/config/conf
+ @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
+ @$(SED) -i -r -e "s/^(USING_CROSS_COMPILER|CONFIG_(DEBUG|STATIC|SELINUX|DEVFSD|NC_GAPING_SECURITY_HOLE|BUILD_AT_ONCE)).*/# \1 is not set/" .config
+ @$(SED) -i -e "/FEATURE/s/=.*//;/^[^#]/s/.*FEATURE.*/# \0 is not set/;" .config
+ @echo "CONFIG_FEATURE_BUFFERS_GO_ON_STACK=y" >> .config
+ @yes n | ./scripts/config/conf -o $(CONFIG_CONFIG_IN)
else # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
# In this section, we need .config
-include $(top_builddir)/.config.cmd
include $(patsubst %,%/Makefile.in, $(SRC_DIRS))
--include $(top_builddir)/.depend
endif # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
-busybox: .depend $(libraries-y)
- $(CC) $(EXTRA_CFLAGS) $(LDFLAGS) -o $@ -Wl,--start-group $(libraries-y) $(LIBRARIES) -Wl,--end-group
- $(STRIPCMD) $@
+-include $(top_builddir)/.config
+-include $(top_builddir)/.depend
+
-busybox.links: $(top_srcdir)/applets/busybox.mkll include/config.h $(top_srcdir)/include/applets.h
- - $(SHELL) $^ >$@
+ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
+libraries-y:=
+# Which parts of the internal libs are requested?
+# Per default we only want what was actually selected.
+# -a denotes all while -y denotes the selected ones.
+ifeq ($(strip $(CONFIG_FEATURE_FULL_LIBBUSYBOX)),y)
+LIBRARY_DEFINE:=$(LIBRARY_DEFINE-a)
+LIBRARY_SRC :=$(LIBRARY_SRC-a)
+else # CONFIG_FEATURE_FULL_LIBBUSYBOX
+LIBRARY_DEFINE:=$(LIBRARY_DEFINE-y)
+LIBRARY_SRC :=$(LIBRARY_SRC-y)
+endif # CONFIG_FEATURE_FULL_LIBBUSYBOX
+APPLET_SRC:=$(APPLET_SRC-y)
+APPLETS_DEFINE:=$(APPLETS_DEFINE-y)
+else # CONFIG_BUILD_AT_ONCE
+# no --combine, build archives out of the individual .o
+# This was the old way the binary was built.
+libbusybox-obj:=archival/libunarchive/libunarchive.a \
+ networking/libiproute/libiproute.a \
+ libpwdgrp/libpwdgrp.a \
+ coreutils/libcoreutils/libcoreutils.a \
+ libbb/libbb.a
+libbusybox-obj:=$(patsubst %,$(top_builddir)/%,$(libbusybox-obj))
+
+ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
+# linking against libbusybox, so don't build the .a already contained in the .so
+libraries-y:=$(filter-out $(libbusybox-obj),$(libraries-y))
+endif # CONFIG_FEATURE_SHARED_BUSYBOX
+endif # CONFIG_BUILD_AT_ONCE
+
+
+ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
+LD_LIBBUSYBOX:=libbusybox.so
+LIBBUSYBOX_SONAME:=$(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL_VERSION)
+DO_INSTALL_LIBS:=$(LD_LIBBUSYBOX) \
+ $(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
+ $(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION)
+endif # CONFIG_BUILD_LIBBUSYBOX
+
+ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
+ifneq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
+# --combine but not linking against libbusybox, so compile all
+BUSYBOX_SRC := $(LIBRARY_SRC)
+BUSYBOX_DEFINE:= $(LIBRARY_DEFINE)
+endif # !CONFIG_FEATURE_SHARED_BUSYBOX
+$(LIBBUSYBOX_SONAME): $(LIBRARY_SRC)
+else # CONFIG_BUILD_AT_ONCE
+$(LIBBUSYBOX_SONAME): $(libbusybox-obj)
+endif # CONFIG_BUILD_AT_ONCE
+
+ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
+LDBUSYBOX:=-L$(top_builddir) -lbusybox
+endif
+
+ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
+$(LIBBUSYBOX_SONAME):
+ifndef MAJOR_VERSION
+ $(error MAJOR_VERSION needed for $@ is not defined)
+endif
+ $(do_link) $(LIB_CFLAGS) $(CFLAGS_COMBINE) \
+ -Wl,-soname=$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
+ -Wl,-z,combreloc $(LIB_LDFLAGS) \
+ -o $(@) \
+ -Wl,--start-group -Wl,--whole-archive \
+ $(LIBRARY_DEFINE) $(^) \
+ -Wl,--no-whole-archive -Wl,--end-group
+ @rm -f $(DO_INSTALL_LIBS)
+ @for i in $(DO_INSTALL_LIBS); do ln -s $(@) $$i ; done
+ $(do_strip)
+
+endif # ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
+
+busybox_unstripped: .depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(libraries-y)
+ $(do_link) $(PROG_CFLAGS) $(PROG_LDFLAGS) $(CFLAGS_COMBINE) \
+ -o $@ -Wl,--start-group \
+ $(APPLETS_DEFINE) $(APPLET_SRC) \
+ $(BUSYBOX_DEFINE) $(BUSYBOX_SRC) $(libraries-y) \
+ $(LDBUSYBOX) $(LIBRARIES) \
+ -Wl,--end-group
+
+busybox: busybox_unstripped
+ $(Q)cp busybox_unstripped busybox
+ $(do_strip)
+
+%.bflt: %_unstripped
+ $(do_elf2flt)
+
+busybox.links: $(top_srcdir)/applets/busybox.mkll include/bb_config.h $(top_srcdir)/include/applets.h
+ $(Q)-$(SHELL) $^ >$@
install: $(top_srcdir)/applets/install.sh busybox busybox.links
- $(SHELL) $< $(PREFIX)
+ $(Q)DO_INSTALL_LIBS="$(strip $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS))" \
+ $(SHELL) $< $(PREFIX) $(INSTALL_OPTS)
ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
@echo
@echo
uninstall: busybox.links
rm -f $(PREFIX)/bin/busybox
for i in `cat busybox.links` ; do rm -f $(PREFIX)$$i; done
+ifneq ($(strip $(DO_INSTALL_LIBS)),n)
+ for i in $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS); do \
+ rm -f $(PREFIX)$$i; \
+ done
+endif
-install-hardlinks: $(top_srcdir)/applets/install.sh busybox busybox.links
- $(SHELL) $< $(PREFIX) --hardlinks
-
+# see if we are in verbose mode
+KBUILD_VERBOSE :=
+ifdef V
+ ifeq ("$(origin V)", "command line")
+ KBUILD_VERBOSE := $(V)
+ endif
+endif
+ifneq ($(strip $(KBUILD_VERBOSE)),)
+ CHECK_VERBOSE := -v
+# ARFLAGS+=v
+endif
check test: busybox
bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite \
- $(top_srcdir)/testsuite/runtest
-
-sizes:
- -rm -f busybox
- $(MAKE) top_srcdir=$(top_srcdir) top_builddir=$(top_builddir) \
- -f $(top_srcdir)/Makefile STRIPCMD=/bin/true
- nm --size-sort busybox
+ $(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)
+
+.PHONY: checkhelp
+checkhelp:
+ $(Q)$(top_srcdir)/scripts/checkhelp.awk \
+ $(wildcard $(patsubst %,%/Config.in,$(SRC_DIRS) ./))
+.PHONY: sizes
+sizes: busybox_unstripped
+ $(NM) --size-sort $(<)
+.PHONY: bloatcheck
+bloatcheck: busybox_old busybox_unstripped
+ @$(top_srcdir)/scripts/bloat-o-meter busybox_old busybox_unstripped
+
+.PHONY: objsizes
+objsizes: busybox_unstripped
+ $(SHELL) $(top_srcdir)/scripts/objsizes
# Documentation Targets
doc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
-docs/busybox.pod : $(top_srcdir)/docs/busybox_header.pod $(top_srcdir)/include/usage.h $(top_srcdir)/docs/busybox_footer.pod
- -mkdir -p docs
- - ( cat $(top_srcdir)/docs/busybox_header.pod; \
- $(top_srcdir)/docs/autodocifier.pl $(top_srcdir)/include/usage.h; \
- cat $(top_srcdir)/docs/busybox_footer.pod ) > docs/busybox.pod
+docs/busybox.pod : $(top_srcdir)/docs/busybox_header.pod $(top_srcdir)/include/usage.h $(top_srcdir)/docs/busybox_footer.pod $(top_srcdir)/docs/autodocifier.pl
+ $(disp_doc)
+ $(Q)-mkdir -p docs
+ $(Q)-( cat $(top_srcdir)/docs/busybox_header.pod ; \
+ $(top_srcdir)/docs/autodocifier.pl $(top_srcdir)/include/usage.h ; \
+ cat $(top_srcdir)/docs/busybox_footer.pod ; ) > docs/busybox.pod
docs/BusyBox.txt: docs/busybox.pod
- $(SECHO)
- $(SECHO) BusyBox Documentation
- $(SECHO)
- -mkdir -p docs
- -pod2text $< > $@
+ $(disp_doc)
+ $(Q)-mkdir -p docs
+ $(Q)-pod2text $< > $@
docs/BusyBox.1: docs/busybox.pod
- - mkdir -p docs
- - pod2man --center=BusyBox --release="version $(VERSION)" \
+ $(disp_doc)
+ $(Q)-mkdir -p docs
+ $(Q)-pod2man --center=BusyBox --release="version $(VERSION)" \
$< > $@
docs/BusyBox.html: docs/busybox.net/BusyBox.html
- - mkdir -p docs
- -@ rm -f docs/BusyBox.html
- -@ cp docs/busybox.net/BusyBox.html docs/BusyBox.html
+ $(disp_doc)
+ $(Q)-mkdir -p docs
+ $(Q)-rm -f docs/BusyBox.html
+ $(Q)-cp docs/busybox.net/BusyBox.html docs/BusyBox.html
docs/busybox.net/BusyBox.html: docs/busybox.pod
- -@ mkdir -p docs/busybox.net
- - pod2html --noindex $< > \
+ $(Q)-mkdir -p docs/busybox.net
+ $(Q)-pod2html --noindex $< > \
docs/busybox.net/BusyBox.html
- -@ rm -f pod2htm*
+ $(Q)-rm -f pod2htm*
-# The nifty new buildsystem stuff
+# The nifty new dependency stuff
scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
- $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
+ $(do_link.h)
-DEP_INCLUDES := include/config.h include/bb_config.h
+DEP_INCLUDES := include/bb_config.h
ifeq ($(strip $(CONFIG_BBCONFIG)),y)
DEP_INCLUDES += include/bbconfigopts.h
include/bbconfigopts.h: .config
- $(top_srcdir)/scripts/config/mkconfigs > $@
+ $(disp_gen)
+ $(Q)$(top_srcdir)/scripts/config/mkconfigs > $@
endif
-depend dep $(top_builddir)/.depend: .depend
+scripts/usage: $(top_srcdir)/scripts/usage.c .config
+ $(do_link.h) -I$(top_srcdir)/include
+
+DEP_INCLUDES += include/usage_compressed.h
+include/usage_compressed.h: .config scripts/usage
+ $(Q)sh $(top_srcdir)/scripts/usage_compressed "$(top_srcdir)/scripts" > $@
+
+depend dep: .depend
.depend: scripts/bb_mkdep $(DEP_INCLUDES)
- @rm -f .depend
- @mkdir -p include/config
- scripts/bb_mkdep -c include/config.h -c include/bb_config.h $(top_srcdir)/ > $@.tmp
- mv $@.tmp $@
+ $(disp_gen)
+ $(Q)rm -f .depend
+ $(Q)mkdir -p include/config
+ $(Q)scripts/bb_mkdep -I $(top_srcdir)/include $(top_srcdir) > $@.tmp
+ $(Q)mv $@.tmp $@
-include/config.h: .config
+include/bb_config.h: .config
@if [ ! -x $(top_builddir)/scripts/config/conf ] ; then \
$(MAKE) -C scripts/config conf; \
fi;
@$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)
-include/bb_config.h: include/config.h
- @echo -e "#ifndef BB_CONFIG_H\n#define BB_CONFIG_H" > $@
- @sed -e 's/#undef CONFIG_\(.*\)/#define ENABLE_\1 0/' \
- -e 's/#define CONFIG_\(.*\)/#define CONFIG_\1\n#define ENABLE_\1/' \
- < $< >> $@
- @echo "#endif" >> $@
-
-finished2:
- $(SECHO)
- $(SECHO) Finished installing...
- $(SECHO)
-
clean:
- $(MAKE) -C scripts/config $@
- rm -f docs/busybox.dvi docs/busybox.ps \
docs/busybox.pod docs/busybox.net/busybox.html \
docs/busybox pod2htm* *.gdb *.elf *~ core .*config.log \
docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
- docs/busybox.net/BusyBox.html busybox.links libbb/loop.h \
- .config.old busybox
- - rm -rf _install testsuite/links
- - find . -name .\*.flags -exec rm -f {} \;
- - find . -name \*.o -exec rm -f {} \;
- - find . -name \*.a -exec rm -f {} \;
+ docs/busybox.net/BusyBox.html busybox.links \
+ libbusybox.so* \
+ .config.old busybox busybox_unstripped
+ - rm -r -f _install testsuite/links
+ - find . -name .\*.flags -o -name \*.o -o -name \*.om \
+ -o -name \*.os -o -name \*.osm -o -name \*.a | xargs rm -f
distclean: clean
- - rm -f scripts/bb_mkdep
- - rm -rf include/config include/config.h include/bb_config.h include/bbconfigopts.h
- - find . -name .depend -exec rm -f {} \;
+ rm -f scripts/bb_mkdep scripts/usage
+ rm -r -f include/config include/_usage.h include/config.h $(DEP_INCLUDES)
+ find . -name .depend'*' -print0 | xargs -0 rm -f
+ rm -f .hdepend
rm -f .config .config.old .config.cmd
release: distclean #doc
cd ..; \
- rm -rf $(PROG)-$(VERSION); \
+ rm -r -f $(PROG)-$(VERSION); \
cp -a busybox $(PROG)-$(VERSION); \
\
find $(PROG)-$(VERSION)/ -type d \
-name .svn \
-print \
- -exec rm -rf {} \; ; \
+ -exec rm -r -f {} \; ; \
\
find $(PROG)-$(VERSION)/ -type f \
-name .\#* \
endif # ifeq ($(skip-makefile),)
.PHONY: dummy subdirs release distclean clean config oldconfig \
- menuconfig tags check test depend buildtree
+ menuconfig tags check test depend dep buildtree