summaryrefslogtreecommitdiff
path: root/Makefile
blob: acd527c4150bd3e6dd992197f6ac9bd1b775e7d6 (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
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
# Makefile for busybox
#
# Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#

PROG      := busybox
VERSION   := 0.61.pre
BUILDTIME := $(shell TZ=UTC date -u "+%Y.%m.%d-%H:%M%z")
TOPDIR    := ${shell /bin/pwd}
HOSTCC    := gcc
HOSTCFLAGS:= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer


# What OS are you compiling busybox for?  This allows you to include
# OS specific things, syscall overrides, etc.
TARGET_OS := linux

# With a modern GNU make(1) (highly recommended, that's what all the
# developers use), all of the following configuration values can be
# overridden at the command line.  For example:
#   make CROSS=powerpc-linux- CONFIG_SRC_DIR=$HOME/busybox PREFIX=/mnt/app

# If you want to add some simple compiler switches (like -march=i686),
# especially from the command line, use this instead of CFLAGS directly.
# For optimization overrides, it's better still to set OPTIMIZATION.
CFLAGS_EXTRA =
 
# If you want a static binary, turn this on.
DOSTATIC = false

# Set the following to `true' to make a debuggable build.
# Leave this set to `false' for production use.
DODEBUG = false

# This enables compiling with dmalloc ( http://dmalloc.com/ )
# which is an excellent public domain mem leak and malloc problem
# detector.  To enable dmalloc, before running busybox you will
# want to first set up your environment.
# eg: `export DMALLOC_OPTIONS=debug=0x14f47d83,inter=100,log=logfile`
# Do not enable this for production builds...
DODMALLOC = false

# Electric-fence is another very useful malloc debugging library.
# Do not enable this for production builds...
DOEFENCE  = false

# If you want large file summit support, turn this on.
# This has no effect if you don't have a kernel with lfs
# support, and a system with libc-2.1.3 or later.
# Some of the programs that can benefit from lfs support
# are dd, gzip, mount, tar, and mkfs_minix.
# LFS allows you to use the above programs for files
# larger than 2GB!
DOLFS = false

# If you have a "pristine" source directory, point CONFIG_SRC_DIR to it.
# Experimental and incomplete; tell the mailing list
# <busybox@opensource.lineo.com> if you do or don't like it so far.
CONFIG_SRC_DIR =

# If you are running a cross compiler, you may want to set CROSS
# to something more interesting, like "arm-linux-".
CROSS =
CC              = $(CROSS)gcc
AR              = $(CROSS)ar
AS              = $(CROSS)as
LD              = $(CROSS)ld
NM              = $(CROSS)nm
STRIP           = $(CROSS)strip
CPP             = $(CC) -E
MAKEFILES       = $(TOPDIR)/.config
export VERSION BUILDTIME TOPDIR HOSTCC HOSTCFLAGS CROSS CC AR AS LD NM STRIP CPP


# To compile vs uClibc, just use the compiler wrapper built by uClibc...
# Everything should compile and work as expected these days...
#CC = /usr/i386-linux-uclibc/usr/bin/i386-uclibc-gcc

# To compile vs some other alternative libc, you may need to use/adjust
# the following lines to meet your needs...
#
# If you are using Red Hat 6.x with the compatible RPMs (for developing under
# Red Hat 5.x and glibc 2.0) uncomment the following.  Be sure to read about
# using the compatible RPMs (compat-*) at http://www.redhat.com !
#LIBCDIR=/usr/i386-glibc20-linux
#
# The following is used for libc5 (if you install altgcc and libc5-altdev
# on a Debian system).  
#LIBCDIR=/usr/i486-linuxlibc1
#
# For other libraries, you are on your own...
#LDFLAGS+=-nostdlib
#LIBRARIES = $(LIBCDIR)/lib/libc.a -lgcc
#CROSS_CFLAGS+=-nostdinc -I$(LIBCDIR)/include -I$(GCCINCDIR)
#GCCINCDIR = $(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")

# use '-Os' optimization if available, else use -O2
OPTIMIZATION := ${shell if $(CC) -Os -S -o /dev/null -xc /dev/null \
	>/dev/null 2>&1; then echo "-Os"; else echo "-O2" ; fi}

WARNINGS=-Wall -Wstrict-prototypes -Wshadow
CFLAGS = -I $(TOPDIR)/include
ARFLAGS = -r

#
#--------------------------------------------------------
# If you're going to do a lot of builds with a non-vanilla configuration,
# it makes sense to adjust parameters above, so you can type "make"
# by itself, instead of following it by the same half-dozen overrides
# every time.  The stuff below, on the other hand, is probably less
# prone to casual user adjustment.
# 

ifeq ($(strip $(DOLFS)),true)
    # For large file summit support
    CFLAGS+=-D_FILE_OFFSET_BITS=64 -D__USE_FILE_OFFSET64
endif
ifeq ($(strip $(DODMALLOC)),true)
    # For testing mem leaks with dmalloc
    CFLAGS+=-DDMALLOC
    LIBRARIES = -ldmalloc
    # Force debug=true, since this is useless when not debugging...
    DODEBUG = true
else
    ifeq ($(strip $(DOEFENCE)),true)
	LIBRARIES = -lefence
	# Force debug=true, since this is useless when not debugging...
	DODEBUG = true
    endif
endif
ifeq ($(strip $(DODEBUG)),true)
    CFLAGS  += $(WARNINGS) -g -D_GNU_SOURCE
    LDFLAGS += -Wl,-warn-common
    STRIPCMD    =
else
    CFLAGS  += $(WARNINGS) $(OPTIMIZATION) -fomit-frame-pointer -mpreferred-stack-boundary=2 -D_GNU_SOURCE
    LDFLAGS += -s -Wl,-warn-common
    STRIPCMD    = $(STRIP) --remove-section=.note --remove-section=.comment $(PROG)
endif
ifeq ($(strip $(DOSTATIC)),true)
    LDFLAGS += --static
endif

ifndef $(PREFIX)
    PREFIX = `pwd`/_install
endif

# Additional complications due to support for pristine source dir.
# Include files in the build directory should take precedence over
# the copy in CONFIG_SRC_DIR, both during the compilation phase and the
# shell script that finds the list of object files.
# Work in progress by <ldoolitt@recycle.lbl.gov>.
#
ifneq ($(strip $(CONFIG_SRC_DIR)),)
    VPATH = $(CONFIG_SRC_DIR)
endif

OBJECTS   = $(APPLET_SOURCES:.c=.o) busybox.o usage.o applets.o
CFLAGS    += $(CROSS_CFLAGS)
ifdef CONFIG_INIT_SCRIPT
    CFLAGS += -DINIT_SCRIPT='"$(CONFIG_INIT_SCRIPT)"'
endif

# Put user-supplied flags at the end, where they
# have a chance of winning.
CFLAGS += $(CFLAGS_EXTRA)

.EXPORT_ALL_VARIABLES:

all:    do-it-all

#
# Make "config" the default target if there is no configuration file or
# "depend" the target if there is no top-level dependency information.
ifeq (.config,$(wildcard .config))
include .config
ifeq (.depend,$(wildcard .depend))
include .depend 
do-it-all:      busybox busybox.links doc
else
CONFIGURATION = depend
do-it-all:      depend
endif
else
CONFIGURATION = menuconfig
do-it-all:      menuconfig
endif


SUBDIRS =applets archival archival/libunarchive console-tools editors \
	fileutils findutils init miscutils modutils networking procps \
	pwd_grp shell shellutils sysklogd textutils util-linux libbb

bbsubdirs: $(patsubst %, _dir_%, $(SUBDIRS))

$(patsubst %, _dir_%, $(SUBDIRS)) : dummy include/config/MARKER
	$(MAKE) CFLAGS="$(CFLAGS)" -C $(patsubst _dir_%, %, $@)

busybox: config.h depend bbsubdirs
	$(CC) $(LDFLAGS) -o $@ $(shell find $(SUBDIRS) -name \*.a) $(LIBCONFIG_LIB) $(LIBRARIES)
	$(STRIPCMD)

busybox.links: applets/busybox.mkll
	- $(SHELL) $^ >$@

install: applets/install.sh busybox busybox.links
	$(SHELL) $< $(PREFIX)

install-hardlinks: applets/install.sh busybox busybox.links
	$(SHELL) $< $(PREFIX) --hardlinks


# Documentation Targets
doc: olddoc

# Old Docs...
olddoc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html

docs/busybox.pod : docs/busybox_header.pod applets/usage.h docs/busybox_footer.pod
	- ( cat docs/busybox_header.pod; \
	    docs/autodocifier.pl applets/usage.h; \
	    cat docs/busybox_footer.pod ) > docs/busybox.pod

docs/BusyBox.txt: docs/busybox.pod
	@echo
	@echo BusyBox Documentation
	@echo
	-mkdir -p docs
	-pod2text $< > $@

docs/BusyBox.1: docs/busybox.pod
	- mkdir -p docs
	- pod2man --center=BusyBox --release="version $(VERSION)" \
		$< > $@

docs/BusyBox.html: docs/busybox.lineo.com/BusyBox.html
	- mkdir -p docs
	-@ rm -f docs/BusyBox.html
	-@ ln -s busybox.lineo.com/BusyBox.html docs/BusyBox.html

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


# New docs based on DOCBOOK SGML
newdoc: docs/busybox.txt docs/busybox.pdf docs/busybox/busyboxdocumentation.html

docs/busybox.txt: docs/busybox.sgml
	@echo
	@echo BusyBox Documentation
	@echo
	- mkdir -p docs
	(cd docs; sgmltools -b txt busybox.sgml)

docs/busybox.dvi: docs/busybox.sgml
	- mkdir -p docs
	(cd docs; sgmltools -b dvi busybox.sgml)

docs/busybox.ps: docs/busybox.sgml
	- mkdir -p docs
	(cd docs; sgmltools -b ps busybox.sgml)

docs/busybox.pdf: docs/busybox.ps
	- mkdir -p docs
	(cd docs; ps2pdf busybox.ps)

docs/busybox/busyboxdocumentation.html: docs/busybox.sgml
	- mkdir -p docs
	(cd docs/busybox.lineo.com; sgmltools -b html ../busybox.sgml)

# The nifty new buildsystem stuff
scripts/mkdep: scripts/mkdep.c
	$(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c

scripts/split-include: scripts/split-include.c
	$(HOSTCC) $(HOSTCFLAGS) -o scripts/split-include scripts/split-include.c

dep-files: scripts/mkdep
	if [ ! -f .depend ] ; then \
		rm -f .depend .hdepend; \
		mkdir -p $(TOPDIR)/include/config; \
		scripts/mkdep -I $(TOPDIR)/include -- \
			`find $(TOPDIR) -name \*.c -print` >> .depend; \
		scripts/mkdep -I $(TOPDIR)/include -- \
			`find $(TOPDIR) -name \*.h -print` >> .hdepend; \
		$(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)" ; \
	fi;


depend dep: config.h dep-files
	@ echo -e "\n\nNow run 'make' to build BusyBox\n\n"

CONFIG_SHELL := ${shell if [ -x "$$BASH" ]; then echo $$BASH; \
	else if [ -x /bin/bash ]; then echo /bin/bash; \
	else echo sh; fi ; fi}

include/config/MARKER: scripts/split-include include/config.h
	scripts/split-include include/config.h include/config
	@ touch include/config/MARKER

config.h:
	@if [ ! -f include/config.h ] ; then \
		make oldconfig; \
	fi;

menuconfig:
	mkdir -p $(TOPDIR)/include/config
	$(MAKE) -C scripts/lxdialog all
	$(CONFIG_SHELL) scripts/Menuconfig sysdeps/$(TARGET_OS)/config.in

config:
	mkdir -p $(TOPDIR)/include/config
	$(CONFIG_SHELL) scripts/Configure sysdeps/$(TARGET_OS)/config.in

oldconfig:
	mkdir -p $(TOPDIR)/include/config
	$(CONFIG_SHELL) scripts/Configure -d sysdeps/$(TARGET_OS)/config.in


ifdef CONFIGURATION
..$(CONFIGURATION):
	@echo
	@echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'"
	@echo
	$(MAKE) $(CONFIGURATION)
	@echo
	@echo "Successful. Try re-making (ignore the error that follows)"
	@echo
	exit 1

dummy:

else

dummy:

endif

include Rules.mak

# Testing...
test tests:
	# old way of doing it
	#cd tests && $(MAKE) all
	# new way of doing it
	cd tests && ./tester.sh

# Cleanup
clean:
	- $(MAKE) -C tests clean
	- $(MAKE) -C scripts/lxdialog clean
	- rm -f docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
	    docs/busybox.lineo.com/BusyBox.html
	- rm -f docs/busybox.txt docs/busybox.dvi docs/busybox.ps \
	    docs/busybox.pdf docs/busybox.lineo.com/busybox.html \
	    docs/busybox _install pod2htm* *.gdb *.elf *~ core
	- rm -f busybox.links libbb/loop.h .config.old .hdepend
	- rm -f scripts/split-include scripts/mkdep .*config.log
	- rm -rf include/config include/config.h
	- find -name .\*.flags -o -name .depend -exec rm -f {} \;
	- find -name \*.o -exec rm -f {} \;
	- find -name \*.a -exec rm -f {} \;

distclean: clean
	- rm -f busybox 
	- cd tests && $(MAKE) distclean

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



.PHONY: tags
tags:
	ctags -R .