aboutsummaryrefslogtreecommitdiffstats
path: root/Makefile
blob: 382c8b180357c92d4f56ce55254633e0efa86d87 (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
# Makefile for a simple busybox/uClibc root filesystem
#
# Copyright (C) 2001-2003 Erik Andersen <andersen@codepoet.org>
# Copyright (C) 2002 by Tim Riker <Tim@Rikers.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library 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
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library 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


TARGETS=
#############################################################
#
# EDIT this stuff to suit your system and preferences
#
# Use := when possible to get precomputation, thereby 
# speeding up the build process.
#
#############################################################

# What sortof target system shall we compile this for?
ARCH:=i386
#ARCH:=arm
#ARCH:=powerpc
#ARCH:=whatever

# enable to build a native gcc toolchain with uclibc support
USE_UCLIBC_TOOLCHAIN:=true

# Enable this to use the uClibc daily snapshot instead of a released
# version.  Daily snapshots may contain new features and bugfixes. Or
# they may not even compile at all, depending on what Erik is doing...
USE_UCLIBC_SNAPSHOT:=true

# Enable this to use the busybox daily snapshot instead of a released
# version.  Daily snapshots may contain new features and bugfixes. Or
# they may not even compile at all....
USE_BUSYBOX_SNAPSHOT:=false

# Enable large file (files > 2 GB) support
BUILD_WITH_LARGEFILE:=true

# Command used to download source code
WGET:=wget --passive-ftp

# Optimize toolchain for which type of CPU?
OPTIMIZE_FOR_CPU=$(ARCH)
#OPTIMIZE_FOR_CPU=i486
#OPTIMIZE_FOR_CPU=strongarm
#OPTIMIZE_FOR_CPU=whatever

# Any additional gcc options you may want to include....
EXTRA_GCC_CONFIG_OPTIONS=
#EXTRA_GCC_CONFIG_OPTIONS=--without-float

#############################################################
#
# The list of stuff to build for the target filesystem
#
#############################################################
# The toolchain comes next if we are building one
ifeq ($(USE_UCLIBC_TOOLCHAIN),true)
TARGETS+=uclibc_toolchain
endif

# Do you want user mode Linux (x86 only), or are you building a 
# real kernel # that will run on its own?  Perhaps you have a 
# kernel you have already configured and you want to use that?
#TARGETS+=linux
TARGETS+=user-mode-linux
#TARGETS+=system-linux

# The default minimal set
TARGETS+=busybox tinylogin

# Openssh...
#TARGETS+=zlib openssl openssh

# Everything needed to build a full uClibc development system!
#TARGETS+=coreutils findutils bash make sed gawk gcc_target

# Of course, if you are installing a development system, you
# may want some header files so you can compile stuff....
#TARGETS+=ncurses-headers zlib-headers openssl-headers

# More development system stuff for those that want it
#TARGETS+=m4 autoconf automake libtool

# Some nice debugging tools
#TARGETS+=gdb strace

# The Valgrind debugger (x86 only)
#TARGETS+=valgrind

# Some stuff for access points and firewalls
#TARGETS+=iptables hostap wtools

# Run customize.mk at the very end to add your own special config.
# This is useful for making your own distro within the buildroot
# process.
# TARGETS+=customize

#############################################################
#
# Pick your root filesystem type.
#
#############################################################
TARGETS+=ext2root

# Must mount cramfs with 'ramdisk_blocksize=4096'
#TARGETS+=cramfsroot

# You may need to edit make/jffs2root.mk to change target 
# endian-ness or similar, but this is sufficient for most
# things as-is...
#TARGETS+=jffs2root

#############################################################
#
# You should probably leave this stuff alone unless you know 
# what you are doing.
#
#############################################################
HOSTCC:=gcc
BASE_DIR:=${shell pwd}
SOURCE_DIR:=$(BASE_DIR)/sources
DL_DIR:=$(SOURCE_DIR)/dl
PATCH_DIR=$(SOURCE_DIR)/patches
BUILD_DIR:=$(BASE_DIR)/build
TARGET_DIR:=$(BUILD_DIR)/root
STAGING_DIR:=$(BUILD_DIR)/staging_dir
TARGET_CROSS:=$(STAGING_DIR)/bin/$(ARCH)-uclibc-
TARGET_CC:=$(TARGET_CROSS)gcc
TARGET_PATH:=$(STAGING_DIR)/bin:$(STAGING_DIR)/usr/bin:/bin:/sbin:/usr/bin:/usr/sbin
STRIP:=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note
#STRIP:=/bin/true
IMAGE:=$(BASE_DIR)/root_fs
GNU_TARGET_NAME:=$(OPTIMIZE_FOR_CPU)-linux
#KERNEL_CROSS:=$(STAGING_DIR)/bin/$(ARCH)-uclibc-
KERNEL_CROSS:=

all:   world

TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))

world: $(DL_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) $(TARGETS)

.PHONY: all world clean dirclean distclean $(TARGETS) $(TARGETS_CLEAN) $(TARGETS_DIRCLEAN)

include make/*.mk

#############################################################
#
# staging and target directories do NOT list these as 
# dependancies anywhere else
#
#############################################################
$(DL_DIR):
	mkdir $(DL_DIR)

$(BUILD_DIR):
	mkdir $(BUILD_DIR)

$(STAGING_DIR):
	rm -rf $(STAGING_DIR)
	mkdir $(STAGING_DIR)

$(TARGET_DIR):
	rm -rf $(TARGET_DIR)
	zcat $(SOURCE_DIR)/skel.tar.gz | tar -C $(BUILD_DIR) -xf -
	cp -a $(SOURCE_DIR)/target_skeleton/* $(TARGET_DIR)/
	-find $(TARGET_DIR) -type d -name CVS -exec rm -rf {} \; > /dev/null 2>&1


#############################################################
#
# Cleanup and misc junk
#
#############################################################
clean: $(TARGETS_CLEAN)
	rm -rf $(TARGET_DIR) $(STAGING_DIR) $(IMAGE)

dirclean: $(TARGETS_DIRCLEAN)
	rm -rf $(TARGET_DIR) $(STAGING_DIR) $(IMAGE)

distclean:
	rm -rf $(DL_DIR) $(BUILD_DIR) $(LINUX_KERNEL) $(IMAGE)

sourceball: 
	rm -rf $(BUILD_DIR)
	set -e; \
	cd ..; \
	rm -f buildroot.tar.bz2; \
	tar -cvf buildroot.tar buildroot; \
	bzip2 -9 buildroot.tar; \