3 # Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
5 # Licensed under GPLv2, see the file LICENSE in this tarball for details.
8 #--------------------------------------------------------------
9 # You shouldn't need to mess with anything beyond this point...
10 #--------------------------------------------------------------
11 noconfig_targets := menuconfig config oldconfig randconfig \
12 defconfig allyesconfig allnoconfig allbareconfig \
13 clean distclean help \
16 # the toplevel sourcedir
20 # toplevel directory of the object-tree
22 top_builddir=$(CURDIR)
25 export srctree=$(top_srcdir)
26 vpath %/Config.in $(srctree)
28 DIRS:=applets archival archival/libunarchive coreutils console-tools \
29 debianutils editors findutils init miscutils modutils networking \
30 networking/libiproute networking/udhcp procps loginutils shell \
31 sysklogd util-linux e2fsprogs libpwdgrp coreutils/libcoreutils libbb
33 SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS))
35 # That's our default target when none is given on the command line
39 CONFIG_CONFIG_IN = $(top_srcdir)/Config.in
44 ifeq ("$(origin O)", "command line")
49 # If no alternate output-dir was specified, we build in cwd
50 # We are using KBUILD_OUTPUT nevertheless to make sure that we create
51 # Rules.mak and the toplevel Makefile, in case they don't exist.
52 KBUILD_OUTPUT := $(top_builddir)
55 ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
56 # pull in OS specific commands like cp, mkdir, etc. early
57 -include $(top_srcdir)/Rules.mak
60 # All object directories.
62 all_tree := $(patsubst %,$(top_builddir)/%,$(OBJ_DIRS) scripts scripts/config include)
67 ifneq ($(KBUILD_OUTPUT),)
68 # Invoke a second make in the output directory, passing relevant variables
69 # Check that the output directory actually exists
70 saved-output := $(KBUILD_OUTPUT)
71 KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
72 $(if $(wildcard $(KBUILD_OUTPUT)),, \
73 $(error output directory "$(saved-output)" does not exist))
75 .PHONY: $(MAKECMDGOALS)
77 $(filter-out _all,$(MAKECMDGOALS)) _all: $(KBUILD_OUTPUT)/Rules.mak $(KBUILD_OUTPUT)/Makefile all_tree
78 $(Q)$(MAKE) -C $(KBUILD_OUTPUT) \
79 top_srcdir=$(top_srcdir) \
80 top_builddir=$(top_builddir) \
81 KBUILD_SRC=$(top_srcdir) \
82 -f $(CURDIR)/Makefile $@
84 $(KBUILD_OUTPUT)/Rules.mak:
86 @echo top_srcdir=$(top_srcdir) >> $@
87 @echo top_builddir=$(KBUILD_OUTPUT) >> $@
88 @echo include $(top_srcdir)/Rules.mak >> $@
90 $(KBUILD_OUTPUT)/Makefile:
92 @echo top_srcdir=$(top_srcdir) >> $@
93 @echo top_builddir=$(KBUILD_OUTPUT) >> $@
94 @echo KBUILD_SRC='$$(top_srcdir)' >> $@
95 @echo include '$$(KBUILD_SRC)'/Makefile >> $@
97 # Leave processing to above invocation of make
99 endif # ifneq ($(KBUILD_OUTPUT),)
100 endif # ifeq ($(KBUILD_SRC),)
102 ifeq ($(skip-makefile),)
104 # We only need a copy of the Makefile for the config targets and reuse
105 # the rest from the source directory, i.e. we do not cp ALL_MAKEFILES.
106 scripts/config/Makefile: $(top_srcdir)/scripts/config/Makefile
113 @echo ' clean - delete temporary files created by build'
114 @echo ' distclean - delete all non-source files (including .config)'
117 @echo ' all - Executable and documentation'
118 @echo ' busybox - the swiss-army executable'
119 @echo ' doc - docs/BusyBox.{txt,html,1}'
121 @echo 'Configuration:'
122 @echo ' allnoconfig - disable all symbols in .config'
123 @echo ' allyesconfig - enable all symbols in .config (see defconfig)'
124 @echo ' allbareconfig - enable all applets without any sub-features'
125 @echo ' config - text based configurator (of last resort)'
126 @echo ' defconfig - set .config to largest generic configuration'
127 @echo ' menuconfig - interactive curses-based configurator'
128 @echo ' oldconfig - resolve any unresolved symbols in .config'
130 @echo 'Installation:'
131 @echo ' install - install busybox into $(PREFIX)'
135 @echo ' bloatcheck - show size difference between old and new versions'
136 @echo ' check - run the test suite for all applets'
137 @echo ' checkhelp - check for missing help-entries in Config.in'
138 @echo ' randconfig - generate a random configuration'
139 @echo ' release - create a distribution tarball'
140 @echo ' sizes - show size of all enabled busybox symbols'
141 @echo ' objsizes - show size of each .o object built'
145 include $(top_srcdir)/Rules.mak
147 ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
149 # Default target if none was requested explicitly
152 # warn if no configuration exists and we are asked to build a non-config target
155 @echo "No $(top_builddir)/$@ found!"
156 @echo "Please refer to 'make help', section Configuration."
161 # ---------------------------------------------------------------------------
163 scripts/config/conf: scripts/config/Makefile
164 $(Q)$(MAKE) -C scripts/config conf
165 -@if [ ! -f .config ] ; then \
169 scripts/config/mconf: scripts/config/Makefile
170 $(Q)$(MAKE) -C scripts/config ncurses conf mconf
171 -@if [ ! -f .config ] ; then \
175 menuconfig: scripts/config/mconf
176 @[ -f .config ] || make $(MAKEFLAGS) defconfig
177 @./scripts/config/mconf $(CONFIG_CONFIG_IN)
179 config: scripts/config/conf
180 @./scripts/config/conf $(CONFIG_CONFIG_IN)
182 oldconfig: scripts/config/conf
183 @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
185 randconfig: scripts/config/conf
186 @./scripts/config/conf -r $(CONFIG_CONFIG_IN)
188 allyesconfig: scripts/config/conf
189 @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
190 @$(SED) -i -r -e "s/^(USING_CROSS_COMPILER)=.*/# \1 is not set/" .config
191 @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
193 allnoconfig: scripts/config/conf
194 @./scripts/config/conf -n $(CONFIG_CONFIG_IN)
196 # defconfig is allyesconfig minus any features that are specialized enough
197 # or cause enough behavior change that the user really should switch them on
198 # manually if that's what they want. Sort of "maximum sane config".
200 defconfig: scripts/config/conf
201 @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
202 @$(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
203 @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
206 allbareconfig: scripts/config/conf
207 @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
208 @$(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
209 @$(SED) -i -e "/FEATURE/s/=.*//;/^[^#]/s/.*FEATURE.*/# \0 is not set/;" .config
210 @echo "CONFIG_FEATURE_BUFFERS_GO_ON_STACK=y" >> .config
211 @yes n | ./scripts/config/conf -o $(CONFIG_CONFIG_IN)
213 else # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
215 all: busybox busybox.links doc
217 # In this section, we need .config
218 -include $(top_builddir)/.config.cmd
219 include $(patsubst %,%/Makefile.in, $(SRC_DIRS))
221 endif # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
223 -include $(top_builddir)/.config
224 -include $(top_builddir)/.depend
227 ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
229 # Which parts of the internal libs are requested?
230 # Per default we only want what was actually selected.
231 # -a denotes all while -y denotes the selected ones.
232 ifeq ($(strip $(CONFIG_FEATURE_FULL_LIBBUSYBOX)),y)
233 LIBRARY_DEFINE:=$(LIBRARY_DEFINE-a)
234 LIBRARY_SRC :=$(LIBRARY_SRC-a)
235 else # CONFIG_FEATURE_FULL_LIBBUSYBOX
236 LIBRARY_DEFINE:=$(LIBRARY_DEFINE-y)
237 LIBRARY_SRC :=$(LIBRARY_SRC-y)
238 endif # CONFIG_FEATURE_FULL_LIBBUSYBOX
239 APPLET_SRC:=$(APPLET_SRC-y)
240 APPLETS_DEFINE:=$(APPLETS_DEFINE-y)
241 else # CONFIG_BUILD_AT_ONCE
242 # no --combine, build archives out of the individual .o
243 # This was the old way the binary was built.
244 libbusybox-obj:=archival/libunarchive/libunarchive.a \
245 networking/libiproute/libiproute.a \
246 libpwdgrp/libpwdgrp.a \
247 coreutils/libcoreutils/libcoreutils.a \
249 libbusybox-obj:=$(patsubst %,$(top_builddir)/%,$(libbusybox-obj))
251 ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
252 # linking against libbusybox, so don't build the .a already contained in the .so
253 libraries-y:=$(filter-out $(libbusybox-obj),$(libraries-y))
254 endif # CONFIG_FEATURE_SHARED_BUSYBOX
255 endif # CONFIG_BUILD_AT_ONCE
258 ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
259 LD_LIBBUSYBOX:=libbusybox.so
260 LIBBUSYBOX_SONAME:=$(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL_VERSION)
261 DO_INSTALL_LIBS:=$(LD_LIBBUSYBOX) \
262 $(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
263 $(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION)
264 endif # CONFIG_BUILD_LIBBUSYBOX
266 ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
267 ifneq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
268 # --combine but not linking against libbusybox, so compile all
269 BUSYBOX_SRC := $(LIBRARY_SRC)
270 BUSYBOX_DEFINE:= $(LIBRARY_DEFINE)
271 endif # !CONFIG_FEATURE_SHARED_BUSYBOX
272 $(LIBBUSYBOX_SONAME): $(LIBRARY_SRC)
273 else # CONFIG_BUILD_AT_ONCE
274 $(LIBBUSYBOX_SONAME): $(libbusybox-obj)
275 endif # CONFIG_BUILD_AT_ONCE
277 ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
278 LDBUSYBOX:=-L$(top_builddir) -lbusybox
281 ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
282 $(LIBBUSYBOX_SONAME):
284 $(error MAJOR_VERSION needed for $@ is not defined)
286 $(do_link) $(LIB_CFLAGS) $(CFLAGS_COMBINE) \
287 -Wl,-soname=$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
288 -Wl,-z,combreloc $(LIB_LDFLAGS) \
290 -Wl,--start-group -Wl,--whole-archive \
291 $(LIBRARY_DEFINE) $(^) \
292 -Wl,--no-whole-archive -Wl,--end-group
293 @rm -f $(DO_INSTALL_LIBS)
294 @for i in $(DO_INSTALL_LIBS); do ln -s $(@) $$i ; done
297 endif # ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
299 busybox_unstripped: .depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(libraries-y)
300 $(do_link) $(PROG_CFLAGS) $(PROG_LDFLAGS) $(CFLAGS_COMBINE) \
301 -o $@ -Wl,--start-group \
302 $(APPLETS_DEFINE) $(APPLET_SRC) \
303 $(BUSYBOX_DEFINE) $(BUSYBOX_SRC) $(libraries-y) \
304 $(LDBUSYBOX) $(LIBRARIES) \
307 busybox: busybox_unstripped
308 $(Q)cp busybox_unstripped busybox
314 busybox.links: $(top_srcdir)/applets/busybox.mkll include/bb_config.h $(top_srcdir)/include/applets.h
317 install: $(top_srcdir)/applets/install.sh busybox busybox.links
318 $(Q)DO_INSTALL_LIBS="$(strip $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS))" \
319 $(SHELL) $< $(PREFIX) $(INSTALL_OPTS)
320 ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
323 @echo --------------------------------------------------
324 @echo You will probably need to make your busybox binary
325 @echo setuid root to ensure all configured applets will
327 @echo --------------------------------------------------
331 uninstall: busybox.links
332 rm -f $(PREFIX)/bin/busybox
333 for i in `cat busybox.links` ; do rm -f $(PREFIX)$$i; done
334 ifneq ($(strip $(DO_INSTALL_LIBS)),n)
335 for i in $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS); do \
336 rm -f $(PREFIX)$$i; \
340 # see if we are in verbose mode
343 ifeq ("$(origin V)", "command line")
344 KBUILD_VERBOSE := $(V)
347 ifneq ($(strip $(KBUILD_VERBOSE)),)
352 bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite \
353 $(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)
357 $(Q)$(top_srcdir)/scripts/checkhelp.awk \
358 $(wildcard $(patsubst %,%/Config.in,$(SRC_DIRS) ./))
360 sizes: busybox_unstripped
361 $(NM) --size-sort $(<)
363 bloatcheck: busybox_old busybox_unstripped
364 @$(top_srcdir)/scripts/bloat-o-meter busybox_old busybox_unstripped
367 objsizes: busybox_unstripped
368 $(SHELL) $(top_srcdir)/scripts/objsizes
370 # Documentation Targets
371 doc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
373 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
376 $(Q)-( cat $(top_srcdir)/docs/busybox_header.pod ; \
377 $(top_srcdir)/docs/autodocifier.pl $(top_srcdir)/include/usage.h ; \
378 cat $(top_srcdir)/docs/busybox_footer.pod ; ) > docs/busybox.pod
380 docs/BusyBox.txt: docs/busybox.pod
383 $(Q)-pod2text $< > $@
385 docs/BusyBox.1: docs/busybox.pod
388 $(Q)-pod2man --center=BusyBox --release="version $(VERSION)" \
391 docs/BusyBox.html: docs/busybox.net/BusyBox.html
394 $(Q)-rm -f docs/BusyBox.html
395 $(Q)-cp docs/busybox.net/BusyBox.html docs/BusyBox.html
397 docs/busybox.net/BusyBox.html: docs/busybox.pod
398 $(Q)-mkdir -p docs/busybox.net
399 $(Q)-pod2html --noindex $< > \
400 docs/busybox.net/BusyBox.html
403 # The nifty new dependency stuff
404 scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
407 DEP_INCLUDES := include/bb_config.h
409 ifeq ($(strip $(CONFIG_BBCONFIG)),y)
410 DEP_INCLUDES += include/bbconfigopts.h
412 include/bbconfigopts.h: .config
414 $(Q)$(top_srcdir)/scripts/config/mkconfigs > $@
417 scripts/usage: $(top_srcdir)/scripts/usage.c .config
418 $(do_link.h) -I$(top_srcdir)/include
420 DEP_INCLUDES += include/usage_compressed.h
421 include/usage_compressed.h: .config scripts/usage
422 $(Q)sh $(top_srcdir)/scripts/usage_compressed "$(top_srcdir)/scripts" > $@
425 .depend: scripts/bb_mkdep $(DEP_INCLUDES)
428 $(Q)mkdir -p include/config
429 $(Q)scripts/bb_mkdep -I $(top_srcdir)/include $(top_srcdir) > $@.tmp
432 include/bb_config.h: .config
433 @if [ ! -x $(top_builddir)/scripts/config/conf ] ; then \
434 $(MAKE) -C scripts/config conf; \
436 @$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)
439 - $(MAKE) -C scripts/config $@
440 - rm -f docs/busybox.dvi docs/busybox.ps \
441 docs/busybox.pod docs/busybox.net/busybox.html \
442 docs/busybox pod2htm* *.gdb *.elf *~ core .*config.log \
443 docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
444 docs/busybox.net/BusyBox.html busybox.links \
446 .config.old busybox busybox_unstripped
447 - rm -r -f _install testsuite/links
448 - find . -name .\*.flags -o -name \*.o -o -name \*.om \
449 -o -name \*.os -o -name \*.osm -o -name \*.a | xargs rm -f
452 rm -f scripts/bb_mkdep scripts/usage
453 rm -r -f include/config include/_usage.h include/config.h $(DEP_INCLUDES)
454 find . -name .depend'*' -print0 | xargs -0 rm -f
456 rm -f .config .config.old .config.cmd
458 release: distclean #doc
460 rm -r -f $(PROG)-$(VERSION); \
461 cp -a busybox $(PROG)-$(VERSION); \
463 find $(PROG)-$(VERSION)/ -type d \
466 -exec rm -r -f {} \; ; \
468 find $(PROG)-$(VERSION)/ -type f \
471 -exec rm -f {} \; ; \
473 tar -cvzf $(PROG)-$(VERSION).tar.gz $(PROG)-$(VERSION)/;
479 endif # ifeq ($(skip-makefile),)
481 .PHONY: dummy subdirs release distclean clean config oldconfig \
482 menuconfig tags check test depend dep buildtree