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 \
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
40 CONFIG_DEFCONFIG = $(top_srcdir)/defconfig
45 ifeq ("$(origin O)", "command line")
50 # If no alternate output-dir was specified, we build in cwd
51 # We are using KBUILD_OUTPUT nevertheless to make sure that we create
52 # Rules.mak and the toplevel Makefile, in case they don't exist.
53 KBUILD_OUTPUT := $(top_builddir)
56 ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
57 # pull in OS specific commands like cp, mkdir, etc. early
58 -include $(top_srcdir)/Rules.mak
61 # All object directories.
63 all_tree := $(patsubst %,$(top_builddir)/%,$(OBJ_DIRS) scripts scripts/config include)
68 ifneq ($(KBUILD_OUTPUT),)
69 # Invoke a second make in the output directory, passing relevant variables
70 # Check that the output directory actually exists
71 saved-output := $(KBUILD_OUTPUT)
72 KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
73 $(if $(wildcard $(KBUILD_OUTPUT)),, \
74 $(error output directory "$(saved-output)" does not exist))
76 .PHONY: $(MAKECMDGOALS)
78 $(filter-out _all,$(MAKECMDGOALS)) _all: $(KBUILD_OUTPUT)/Rules.mak $(KBUILD_OUTPUT)/Makefile all_tree
79 $(Q)$(MAKE) -C $(KBUILD_OUTPUT) \
80 top_srcdir=$(top_srcdir) \
81 top_builddir=$(top_builddir) \
82 KBUILD_SRC=$(top_srcdir) \
83 -f $(CURDIR)/Makefile $@
85 $(KBUILD_OUTPUT)/Rules.mak:
87 @echo top_srcdir=$(top_srcdir) >> $@
88 @echo top_builddir=$(KBUILD_OUTPUT) >> $@
89 @echo include $(top_srcdir)/Rules.mak >> $@
91 $(KBUILD_OUTPUT)/Makefile:
93 @echo top_srcdir=$(top_srcdir) >> $@
94 @echo top_builddir=$(KBUILD_OUTPUT) >> $@
95 @echo KBUILD_SRC='$$(top_srcdir)' >> $@
96 @echo include '$$(KBUILD_SRC)'/Makefile >> $@
98 # Leave processing to above invocation of make
100 endif # ifneq ($(KBUILD_OUTPUT),)
101 endif # ifeq ($(KBUILD_SRC),)
103 ifeq ($(skip-makefile),)
105 # We only need a copy of the Makefile for the config targets and reuse
106 # the rest from the source directory, i.e. we do not cp ALL_MAKEFILES.
107 scripts/config/Makefile: $(top_srcdir)/scripts/config/Makefile
114 @echo ' clean - delete temporary files created by build'
115 @echo ' distclean - delete all non-source files (including .config)'
118 @echo ' all - Executable and documentation'
119 @echo ' busybox - the swiss-army executable'
120 @echo ' doc - docs/BusyBox.{txt,html,1}'
122 @echo 'Configuration:'
123 @echo ' allnoconfig - disable all symbols in .config'
124 @echo ' allyesconfig - enable all symbols in .config (see defconfig)'
125 @echo ' allbareconfig - enable all applets without any sub-features'
126 @echo ' config - text based configurator (of last resort)'
127 @echo ' defconfig - set .config to largest generic configuration'
128 @echo ' menuconfig - interactive curses-based configurator'
129 @echo ' oldconfig - resolve any unresolved symbols in .config'
131 @echo 'Installation:'
132 @echo ' install - install busybox into $prefix'
136 @echo ' check - run the test suite for all applets'
137 @echo ' randconfig - generate a random configuration'
138 @echo ' release - create a distribution tarball'
139 @echo ' sizes - show size of all enabled busybox symbols'
143 include $(top_srcdir)/Rules.mak
145 ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
147 # Default target if none was requested explicitly
150 # warn if no configuration exists and we are asked to build a non-config target
153 @echo "No $(top_builddir)/$@ found!"
154 @echo "Please refer to 'make help', section Configuration."
159 # ---------------------------------------------------------------------------
161 scripts/config/conf: scripts/config/Makefile
162 $(Q)$(MAKE) -C scripts/config conf
163 -@if [ ! -f .config ] ; then \
164 cp $(CONFIG_DEFCONFIG) .config; \
167 scripts/config/mconf: scripts/config/Makefile
168 $(Q)$(MAKE) -C scripts/config ncurses conf mconf
169 -@if [ ! -f .config ] ; then \
170 cp $(CONFIG_DEFCONFIG) .config; \
173 menuconfig: scripts/config/mconf
174 @./scripts/config/mconf $(CONFIG_CONFIG_IN)
176 config: scripts/config/conf
177 @./scripts/config/conf $(CONFIG_CONFIG_IN)
179 oldconfig: scripts/config/conf
180 @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
182 randconfig: scripts/config/conf
183 @./scripts/config/conf -r $(CONFIG_CONFIG_IN)
185 allyesconfig: scripts/config/conf
186 @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
187 sed -i -r -e "s/^(USING_CROSS_COMPILER)=.*/# \1 is not set/" .config
188 @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
190 allnoconfig: scripts/config/conf
191 @./scripts/config/conf -n $(CONFIG_CONFIG_IN)
193 # defconfig is allyesconfig minus any features that are specialized enough
194 # or cause enough behavior change that the user really should switch them on
195 # manually if that's what they want. Sort of "maximum sane config".
197 defconfig: scripts/config/conf
198 @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
199 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)))=.*/# \1 is not set/" .config
200 @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
203 allbareconfig: scripts/config/conf
204 @./scripts/config/conf -y $(CONFIG_CONFIG_IN)
205 @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
206 @sed -i -e "/FEATURE/s/=.*//;/^[^#]/s/.*FEATURE.*/# \0 is not set/;" .config
207 @echo "CONFIG_FEATURE_BUFFERS_GO_ON_STACK=y" >> .config
208 @./scripts/config/conf -o $(CONFIG_CONFIG_IN)
210 else # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
212 all: busybox busybox.links doc
214 # In this section, we need .config
215 -include $(top_builddir)/.config.cmd
216 include $(patsubst %,%/Makefile.in, $(SRC_DIRS))
218 endif # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
220 -include $(top_builddir)/.config
221 -include $(top_builddir)/.depend
224 ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
226 # Which parts of the internal libs are requested?
227 # Per default we only want what was actually selected.
228 # -a denotes all while -y denotes the selected ones.
229 ifeq ($(strip $(CONFIG_FEATURE_FULL_LIBBUSYBOX)),y)
230 LIBRARY_DEFINE:=$(LIBRARY_DEFINE-a)
231 LIBRARY_SRC :=$(LIBRARY_SRC-a)
232 else # CONFIG_FEATURE_FULL_LIBBUSYBOX
233 LIBRARY_DEFINE:=$(LIBRARY_DEFINE-y)
234 LIBRARY_SRC :=$(LIBRARY_SRC-y)
235 endif # CONFIG_FEATURE_FULL_LIBBUSYBOX
236 APPLET_SRC:=$(APPLET_SRC-y)
237 APPLETS_DEFINE:=$(APPLETS_DEFINE-y)
238 else # CONFIG_BUILD_AT_ONCE
239 # no --combine, build archives out of the individual .o
240 # This was the old way the binary was built.
241 libbusybox-obj:=archival/libunarchive/libunarchive.a \
242 networking/libiproute/libiproute.a \
243 libpwdgrp/libpwdgrp.a \
244 coreutils/libcoreutils/libcoreutils.a \
246 libbusybox-obj:=$(patsubst %,$(top_builddir)/%,$(libbusybox-obj))
248 ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
249 # linking against libbusybox, so don't build the .a already contained in the .so
250 libraries-y:=$(filter-out $(libbusybox-obj),$(libraries-y))
251 endif # CONFIG_FEATURE_SHARED_BUSYBOX
252 endif # CONFIG_BUILD_AT_ONCE
255 ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
256 LD_LIBBUSYBOX:=libbusybox.so
257 LIBBUSYBOX_SONAME:=$(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL_VERSION)
258 DO_INSTALL_LIBS:=$(LD_LIBBUSYBOX) \
259 $(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
260 $(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION)
262 ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
263 ifneq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
264 # --combine but not linking against libbusybox, so compile all
265 BUSYBOX_SRC := $(LIBRARY_SRC)
266 BUSYBOX_DEFINE:= $(LIBRARY_DEFINE)
267 endif # !CONFIG_FEATURE_SHARED_BUSYBOX
268 $(LIBBUSYBOX_SONAME): $(LIBRARY_SRC)
269 else # CONFIG_BUILD_AT_ONCE
270 $(LIBBUSYBOX_SONAME): $(libbusybox-obj)
271 endif # CONFIG_BUILD_AT_ONCE
272 endif # CONFIG_BUILD_LIBBUSYBOX
274 ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
275 LDBUSYBOX:=-L$(top_builddir) -lbusybox
278 ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
279 $(LIBBUSYBOX_SONAME):
281 $(error MAJOR_VERSION needed for $@ is not defined)
283 $(do_link) $(LIB_CFLAGS) $(LIB_LDFLAGS) \
284 -Wl,-soname=$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
285 -Wl,-z,combreloc $(LIB_LDFLAGS) \
287 -Wl,--start-group -Wl,--whole-archive \
288 $(LIBRARY_DEFINE) $(^) \
289 -Wl,--no-whole-archive -Wl,--end-group
290 $(RM_F) $(DO_INSTALL_LIBS)
291 for i in $(DO_INSTALL_LIBS); do $(LN_S) -v $(@) $$i ; done
294 endif # ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
296 busybox: .depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(libraries-y)
297 $(do_link) $(PROG_CFLAGS) \
298 -o $@ -Wl,--start-group \
299 $(APPLETS_DEFINE) $(APPLET_SRC) \
300 $(BUSYBOX_DEFINE) $(BUSYBOX_SRC) $(libraries-y) \
301 $(LDBUSYBOX) $(LIBRARIES) \
305 busybox.links: $(top_srcdir)/applets/busybox.mkll include/bb_config.h $(top_srcdir)/include/applets.h
308 install: $(top_srcdir)/applets/install.sh busybox busybox.links
309 DO_INSTALL_LIBS="$(strip $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS))" \
310 $(SHELL) $< $(PREFIX) $(INSTALL_OPTS)
311 ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
314 @echo --------------------------------------------------
315 @echo You will probably need to make your busybox binary
316 @echo setuid root to ensure all configured applets will
318 @echo --------------------------------------------------
322 uninstall: busybox.links
323 $(RM_F) $(PREFIX)/bin/busybox
324 for i in `cat busybox.links` ; do $(RM_F) $(PREFIX)$$i; done
325 ifneq ($(strip $(DO_INSTALL_LIBS)),n)
326 for i in $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS); do \
327 $(RM_F) $(PREFIX)$$i; \
331 # see if we are in verbose mode
334 ifeq ("$(origin V)", "command line")
335 KBUILD_VERBOSE := $(V)
338 ifneq ($(strip $(KBUILD_VERBOSE)),)
343 bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite \
344 $(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)
348 $(MAKE) top_srcdir=$(top_srcdir) top_builddir=$(top_builddir) \
349 -f $(top_srcdir)/Makefile STRIPCMD=/bin/true
350 $(NM) --size-sort busybox
352 # Documentation Targets
353 doc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
355 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
358 $(Q)-( cat $(top_srcdir)/docs/busybox_header.pod; \
359 $(top_srcdir)/docs/autodocifier.pl $(top_srcdir)/include/usage.h; \
360 cat $(top_srcdir)/docs/busybox_footer.pod ) > docs/busybox.pod
362 docs/BusyBox.txt: docs/busybox.pod
365 $(Q)-pod2text $< > $@
367 docs/BusyBox.1: docs/busybox.pod
370 $(Q)-pod2man --center=BusyBox --release="version $(VERSION)" \
373 docs/BusyBox.html: docs/busybox.net/BusyBox.html
376 $(Q)-$(RM_F) docs/BusyBox.html
377 $(Q)-cp docs/busybox.net/BusyBox.html docs/BusyBox.html
379 docs/busybox.net/BusyBox.html: docs/busybox.pod
380 $(Q)-mkdir -p docs/busybox.net
381 $(Q)-pod2html --noindex $< > \
382 docs/busybox.net/BusyBox.html
383 $(Q)-$(RM_F) pod2htm*
385 # The nifty new buildsystem stuff
386 scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
387 $(Q)$(HOSTCC) $(HOSTCFLAGS) -o $@ $<
389 DEP_INCLUDES := include/bb_config.h
391 ifeq ($(strip $(CONFIG_BBCONFIG)),y)
392 DEP_INCLUDES += include/bbconfigopts.h
394 include/bbconfigopts.h: .config
396 $(Q)$(top_srcdir)/scripts/config/mkconfigs > $@
400 .depend: scripts/bb_mkdep $(DEP_INCLUDES)
403 $(Q)mkdir -p include/config
404 $(Q)scripts/bb_mkdep -I $(top_srcdir)/include $(top_srcdir) > $@.tmp
407 include/bb_config.h: .config
408 @if [ ! -x $(top_builddir)/scripts/config/conf ] ; then \
409 $(MAKE) -C scripts/config conf; \
411 @$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)
414 - $(MAKE) -C scripts/config $@
415 - $(RM_F) docs/busybox.dvi docs/busybox.ps \
416 docs/busybox.pod docs/busybox.net/busybox.html \
417 docs/busybox pod2htm* *.gdb *.elf *~ core .*config.log \
418 docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
419 docs/busybox.net/BusyBox.html busybox.links \
420 $(DO_INSTALL_LIBS) $(LIBBUSYBOX_SONAME) \
422 - rm -rf _install testsuite/links
423 - find . -name .\*.flags -exec $(RM_F) {} \;
424 - find . -name \*.o -exec $(RM_F) {} \;
425 - find . -name \*.a -exec $(RM_F) {} \;
426 - find . -name \*.so -exec $(RM_F) {} \;
429 - $(RM_F) scripts/bb_mkdep
430 - rm -rf include/config $(DEP_INCLUDES)
431 - find . -name .depend'*' -exec $(RM_F) {} \;
432 $(RM_F) .config .config.old .config.cmd
434 release: distclean #doc
436 rm -rf $(PROG)-$(VERSION); \
437 cp -a busybox $(PROG)-$(VERSION); \
439 find $(PROG)-$(VERSION)/ -type d \
442 -exec rm -rf {} \; ; \
444 find $(PROG)-$(VERSION)/ -type f \
447 -exec $(RM_F) {} \; ; \
449 tar -cvzf $(PROG)-$(VERSION).tar.gz $(PROG)-$(VERSION)/;
455 endif # ifeq ($(skip-makefile),)
457 .PHONY: dummy subdirs release distclean clean config oldconfig \
458 menuconfig tags check test depend dep buildtree