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
|
# Makefile for busybox
#
# Copyright (C) 1999-2000 Erik Andersen <andersee@debian.org>
# Copyright (C) 2000 Karl M. Hegbloom <karlheg@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 := 0.44
BUILDTIME := $(shell TZ=UTC date --utc "+%Y.%m.%d-%H:%M%z")
export VERSION
# Set the following to `true' to make a debuggable build.
# Leave this set to `false' for production use.
# eg: `make DODEBUG=true tests'
DODEBUG = true
# If you want a static binary, turn this on.
DOSTATIC = false
# To compile vs an alternative libc, you may need to use/adjust
# the following lines to meet your needs. This is how I did it...
#CFLAGS+=-nostdinc -I/home/andersen/CVS/uC-libc/include -I/usr/include/linux
#LDFLAGS+=-nostdlib -L/home/andersen/CVS/libc.a
CC = gcc
# 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)
# Allow alternative stripping tools to be used...
ifndef $(STRIPTOOL)
STRIPTOOL = strip
endif
# -D_GNU_SOURCE is needed because environ is used in init.c
ifeq ($(DODEBUG),true)
CFLAGS += -Wall -g -D_GNU_SOURCE
LDFLAGS =
STRIP =
else
CFLAGS += -Wall $(OPTIMIZATION) -fomit-frame-pointer -fno-builtin -D_GNU_SOURCE
LDFLAGS = -s
STRIP = $(STRIPTOOL) --remove-section=.note --remove-section=.comment $(PROG)
#Only staticly link when _not_ debugging
ifeq ($(DOSTATIC),true)
LDFLAGS += --static
#
#use '-ffunction-sections -fdata-sections' and '--gc-sections' if they work
#to try and strip out any unused junk. Doesn't do much for me, but you may
#want to give it a shot...
#
#ifeq ($(shell $(CC) -ffunction-sections -fdata-sections -S \
# -o /dev/null -xc /dev/null 2>/dev/null && $(LD) --gc-sections -v >/dev/null && echo 1),1)
# CFLAGS += -ffunction-sections -fdata-sections
# LDFLAGS += --gc-sections
#endif
endif
endif
ifndef $(PREFIX)
PREFIX = `pwd`/_install
endif
LIBRARIES =
OBJECTS = $(shell ./busybox.sh) busybox.o messages.o utility.o
CFLAGS += -DBB_VER='"$(VERSION)"'
CFLAGS += -DBB_BT='"$(BUILDTIME)"'
ifdef BB_INIT_SCRIPT
CFLAGS += -DINIT_SCRIPT='"$(BB_INIT_SCRIPT)"'
endif
all: busybox busybox.links doc
doc: docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
docs/BusyBox.txt: docs/busybox.pod
@echo
@echo BusyBox Documentation
@echo
pod2text docs/busybox.pod > docs/BusyBox.txt
docs/BusyBox.1: docs/busybox.pod
pod2man --center=BusyBox --release="version $(VERSION)" docs/busybox.pod > docs/BusyBox.1
docs/BusyBox.html: docs/busybox.pod
pod2html docs/busybox.pod > docs/busybox.lineo.com/BusyBox.html
ln -s busybox.lineo.com/BusyBox.html docs/BusyBox.html
- rm -f pod2html*
clean:
busybox: $(OBJECTS)
$(CC) $(LDFLAGS) -o $@ $^ $(LIBRARIES)
$(STRIP)
busybox.links: busybox.def.h
- ./busybox.mkll | sort >$@
regexp.o nfsmount.o cmdedit.o: %.o: %.h
$(OBJECTS): %.o: busybox.def.h internal.h %.c Makefile
test tests:
cd tests && $(MAKE) all
clean:
- rm -f busybox.links *~ *.o core
- rm -rf _install
- cd tests && $(MAKE) clean
- rm -f docs/BusyBox.html docs/busybox.lineo.com/BusyBox.html \
docs/BusyBox.1 docs/BusyBox.txt pod2html*
distclean: clean
- rm -f busybox
- cd tests && $(MAKE) distclean
install: busybox busybox.links
./install.sh $(PREFIX)
dist release: distclean doc
cd ..; \
rm -rf busybox-$(VERSION); \
cp -a busybox busybox-$(VERSION); \
\
find busybox-$(VERSION)/ -type d \
-name CVS \
-print \
| xargs rm -rf; \
\
find busybox-$(VERSION)/ -type f \
-name .cvsignore \
-print \
| xargs rm -f; \
\
tar -cvzf busybox-$(VERSION).tar.gz busybox-$(VERSION)/;
|
