summaryrefslogtreecommitdiff
path: root/Makefile
blob: e38e3e2538827687e1722e89a10e2c9b997e2312 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
# Makefile for busybox
#
# Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
#
# Licensed under GPLv2, see the file LICENSE in this tarball for details.
#

#--------------------------------------------------------------
# You shouldn't need to mess with anything beyond this point...
#--------------------------------------------------------------
noconfig_targets := menuconfig config oldconfig randconfig \
	defconfig allyesconfig allnoconfig clean distclean \
	release tags

# the toplevel sourcedir
ifndef top_srcdir
top_srcdir=$(CURDIR)
endif
# toplevel directory of the object-tree
ifndef top_builddir
top_builddir=$(CURDIR)
endif

export srctree=$(top_srcdir)
vpath %/Config.in $(srctree)

DIRS:=applets archival archival/libunarchive coreutils console-tools \
	debianutils editors findutils init miscutils modutils networking \
	networking/libiproute networking/udhcp procps loginutils shell \
	sysklogd util-linux e2fsprogs libpwdgrp coreutils/libcoreutils libbb

SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS))

# That's our default target when none is given on the command line
.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

ifeq ($(KBUILD_SRC),)

ifdef O
  ifeq ("$(origin O)", "command line")
    KBUILD_OUTPUT := $(O)
  endif
else
# If no alternate output-dir was specified, we build in cwd
# We are using KBUILD_OUTPUT nevertheless to make sure that we create
# Rules.mak and the toplevel Makefile, in case they don't exist.
  KBUILD_OUTPUT := $(top_builddir)
endif

ifneq ($(KBUILD_OUTPUT),)
# Invoke a second make in the output directory, passing relevant variables
# 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 $(KBUILD_OUTPUT) \
	top_srcdir=$(top_srcdir) \
	top_builddir=$(top_builddir) \
	KBUILD_SRC=$(top_srcdir) \
	-f $(CURDIR)/Makefile $@

$(KBUILD_OUTPUT)/Rules.mak:
	@echo > $@
	@echo top_srcdir=$(top_srcdir) >> $@
	@echo top_builddir=$(KBUILD_OUTPUT) >> $@
	@echo include $(top_srcdir)/Rules.mak >> $@

$(KBUILD_OUTPUT)/Makefile:
	@echo > $@
	@echo top_srcdir=$(top_srcdir) >> $@
	@echo top_builddir=$(KBUILD_OUTPUT) >> $@
	@echo KBUILD_SRC='$$(top_srcdir)' >> $@
	@echo include '$$(KBUILD_SRC)'/Makefile >> $@

# Leave processing to above invocation of make
skip-makefile := 1
endif # ifneq ($(KBUILD_OUTPUT),)
endif # ifeq ($(KBUILD_SRC),)

ifeq ($(skip-makefile),)

_all: all

help:
	@echo 'Cleaning:'
	@echo '  clean			- delete temporary files created by build'
	@echo '  distclean		- delete all non-source files (including .config)'
	@echo
	@echo 'Build:'
	@echo '  all			- Executable and documentation'
	@echo '  busybox		- the swiss-army executable'
	@echo '  doc			- docs/BusyBox.{txt,html,1}'
	@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 '  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 '  uninstall'
	@echo
	@echo 'Development:'
	@echo '  check			- run the test suite for all applets'
	@echo '  randconfig		- generate a random configuration'
	@echo '  release		- create a distribution tarball'
	@echo '  sizes			- show size of all enabled busybox symbols'
	@echo


ifneq ($(strip $(HAVE_DOT_CONFIG)),y)

all: menuconfig

# configuration
# ---------------------------------------------------------------------------

scripts/config/conf: scripts/config/Makefile
	$(MAKE) -C scripts/config conf
	-@if [ ! -f .config ] ; then \
		cp $(CONFIG_DEFCONFIG) .config; \
	fi

scripts/config/mconf: scripts/config/Makefile
	$(MAKE) -C scripts/config ncurses conf mconf
	-@if [ ! -f .config ] ; then \
		cp $(CONFIG_DEFCONFIG) .config; \
	fi

menuconfig: scripts/config/mconf
	@./scripts/config/mconf $(CONFIG_CONFIG_IN)

config: scripts/config/conf
	@./scripts/config/conf $(CONFIG_CONFIG_IN)

oldconfig: scripts/config/conf
	@./scripts/config/conf -o $(CONFIG_CONFIG_IN)

randconfig: scripts/config/conf
	@./scripts/config/conf -r $(CONFIG_CONFIG_IN)

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
	@./scripts/config/conf -o $(CONFIG_CONFIG_IN)

allnoconfig: scripts/config/conf
	@./scripts/config/conf -n $(CONFIG_CONFIG_IN)

defconfig: scripts/config/conf
	@./scripts/config/conf -d $(CONFIG_CONFIG_IN)

else # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)

all: busybox busybox.links doc

# 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) $@

busybox.links: $(top_srcdir)/applets/busybox.mkll include/config.h $(top_srcdir)/include/applets.h
	- $(SHELL) $^ >$@

install: $(top_srcdir)/applets/install.sh busybox busybox.links
	$(SHELL) $< $(PREFIX)
ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
	@echo
	@echo
	@echo --------------------------------------------------
	@echo You will probably need to make your busybox binary
	@echo setuid root to ensure all configured applets will
	@echo work properly.
	@echo --------------------------------------------------
	@echo
endif

uninstall: busybox.links
	rm -f $(PREFIX)/bin/busybox
	for i in `cat busybox.links` ; do rm -f $(PREFIX)$$i; done

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 $(KBUILD_VERBOSE)),)
  CHECK_VERBOSE := -v
endif
check test: busybox
	bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite \
	$(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)

sizes:
	-rm -f busybox
	$(MAKE) top_srcdir=$(top_srcdir) top_builddir=$(top_builddir) \
		-f $(top_srcdir)/Makefile STRIPCMD=/bin/true
	nm --size-sort busybox

# 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.txt: docs/busybox.pod
	$(SECHO)
	$(SECHO) BusyBox Documentation
	$(SECHO)
	-mkdir -p docs
	-pod2text $< > $@

docs/BusyBox.1: docs/busybox.pod
	- mkdir -p docs
	- 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

docs/busybox.net/BusyBox.html: docs/busybox.pod
	-@ mkdir -p docs/busybox.net
	-  pod2html --noindex $< > \
	    docs/busybox.net/BusyBox.html
	-@ rm -f pod2htm*

# The nifty new buildsystem stuff
scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
	$(HOSTCC) $(HOSTCFLAGS) -o $@ $<

DEP_INCLUDES := include/config.h include/bb_config.h

ifeq ($(strip $(CONFIG_BBCONFIG)),y)
DEP_INCLUDES += include/bbconfigopts.h

include/bbconfigopts.h: .config
	$(top_srcdir)/scripts/config/mkconfigs > $@
endif

depend dep $(top_builddir)/.depend: .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 -I $(top_srcdir)/include $(top_srcdir)/ > $@.tmp
	mv $@.tmp $@

include/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 {} \;

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 .config .config.old .config.cmd

release: distclean #doc
	cd ..; \
	rm -rf $(PROG)-$(VERSION); \
	cp -a busybox $(PROG)-$(VERSION); \
	\
	find $(PROG)-$(VERSION)/ -type d \
		-name .svn \
		-print \
		-exec rm -rf {} \; ; \
	\
	find $(PROG)-$(VERSION)/ -type f \
		-name .\#* \
		-print \
		-exec rm -f {} \; ; \
	\
	tar -cvzf $(PROG)-$(VERSION).tar.gz $(PROG)-$(VERSION)/;

tags:
	ctags -R .


endif # ifeq ($(skip-makefile),)

.PHONY: dummy subdirs release distclean clean config oldconfig \
	menuconfig tags check test depend buildtree