summaryrefslogtreecommitdiffstats
path: root/Makefile
blob: 4434e9868fdcc0b00ec8b8848a258eb09ed8d1fe (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
# Makefile for a simple busybox/uClibc root filesystem
#
# Copyright (C) 2001-2004 Erik Andersen <andersen@codepoet.org>
# Copyright (C) 2002 by Tim Riker <Tim@Rikers.org>
# Copyright (C) 2004 Manuel Novoa III <mjn3@uclibc.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


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

# What sort of target system shall we compile this for?
#
ARCH:=i386
#ARCH:=arm
#ARCH:=armeb
#ARCH:=mips
#ARCH:=mipsel
#ARCH:=powerpc
#ARCH:=sh4
#ARCH:=cris
#ARCH:=sh64
#ARCH:=m68k
#ARCH:=v850
#ARCH:=sparc
#ARCH:=whatever

# Choose the kernel headers to use for kernel-headers target. This is
# ignored if you are building your own kernel or using the system kernel.
#
#DEFAULT_KERNEL_HEADERS:=2.4.25
DEFAULT_KERNEL_HEADERS:=2.4.27
#DEFAULT_KERNEL_HEADERS:=2.6.7
#DEFAULT_KERNEL_HEADERS:=2.6.8

# Choose gcc version.
# WARNING -- 2.95 currently only builds for i386, arm, mips*, and powerpc.
# WARNING -- 2.95 does not currently build natively for the target.
#
#GCC_VERSION:=2.95
#GCC_VERSION:=3.3.3
#GCC_VERSION:=3.3.4
#GCC_VERSION:=3.4.0
#GCC_VERSION:=3.4.1
GCC_VERSION:=3.4.2

# Choose binutils version.
#
#BINUTILS_VERSION:=2.14.90.0.6
#BINUTILS_VERSION:=2.14.90.0.7
#BINUTILS_VERSION:=2.14.90.0.8
#BINUTILS_VERSION:=2.15
#BINUTILS_VERSION:=2.15.90.0.1
#BINUTILS_VERSION:=2.15.90.0.1.1
#BINUTILS_VERSION:=2.15.90.0.2
#BINUTILS_VERSION:=2.15.90.0.3
#BINUTILS_VERSION:=2.15.91.0.1
BINUTILS_VERSION:=2.15.91.0.2
#BINUTILS_VERSION:=2.15.92.0.2

# Choose gdb version.
#
#GDB_VERSION:=5.3
GDB_VERSION:=6.1.1
#GDB_VERSION:=6.2
#GDB_VERSION:=6.2.1


# 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.

# Do you wish to use the latest release (), latest snapshot (snapshot),
# or the snapshot from a specific date (yyyymmdd)?  Note that snapshots
# may contain new features and bugfixes.  Or they may not even compile
# at all, depending on what Erik and Manuel are doing.
#
#USE_UCLIBC_SNAPSHOT:=
USE_UCLIBC_SNAPSHOT:=snapshot
#USE_UCLIBC_SNAPSHOT:=20040807

# Do you wish to use the latest release (), latest snapshot (snapshot),
# or the snapshot from a specific date (yyyymmdd)?  Note that snapshots
# may contain new features and bugfixes.  Or they may not even compile
# at all...
#
#USE_BUSYBOX_SNAPSHOT:=
USE_BUSYBOX_SNAPSHOT:=snapshot
#USE_BUSYBOX_SNAPSHOT:=20040807

# 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=i686
# Note... gcc 2.95 does not seem to like anything higher than i586.
#OPTIMIZE_FOR_CPU=i586
#OPTIMIZE_FOR_CPU=whatever

# Might be worth experimenting with for gcc 3.4.x.
GCC_WITH_CPU:=
GCC_WITH_ARCH:=
GCC_WITH_TUNE:=

#GCC_WITH_CPU:=--with-cpu=
#GCC_WITH_ARCH:=--with-arch=
#GCC_WITH_TUNE:=--with-tune=

# Soft floating point options.
# Notes:
#   Builds for gcc 3.4.x.
#   Can build for gcc 3.3.x for mips, mipsel, powerpc, and arm (special)
#      by using custom specs files (currently for 3.3.4 only).
#   NOTE!!! The libfloat stuff is currently removed from uClibc.  The
#      arm soft float for 3.3.x will require reenabling it.
#   (i386 support will be added back in at some point.)
#   Only tested with multilib enabled.
#   For i386, long double is the same as double (64 bits).  While this
#      is unusual for x86, it seemed the best approach considering the
#      limitations in the gcc floating point emulation library.
#   For arm, soft float uses the usual libfloat routines.
# (Un)comment the appropriate line below.
#SOFT_FLOAT:=true
SOFT_FLOAT:=false

TARGET_OPTIMIZATION=-Os
TARGET_DEBUGGING= #-g

# Currently the unwind stuff seems to work for staticly linked apps but
# not dynamic.  So use setjmp/longjmp exceptions by default.
GCC_USE_SJLJ_EXCEPTIONS:=--enable-sjlj-exceptions
#GCC_USE_SJLJ_EXCEPTIONS:=

# Any additional gcc options you may want to include....
EXTRA_GCC_CONFIG_OPTIONS:=

# Enable the following if you want locale/gettext/i18n support.
# NOTE!  Currently the pregnerated locale stuff only works for x86!
#ENABLE_LOCALE:=true
ENABLE_LOCALE:=false

# If you want multilib enabled, enable this...
MULTILIB:=--enable-multilib

# Build/install c++ compiler and libstdc++?
INSTALL_LIBSTDCPP:=true

# Build/install java compiler and libgcj? (requires c++)
# WARNING!!! DOES NOT BUILD FOR TARGET WITHOUT INTERVENTION!!!  mjn3
#INSTALL_LIBGCJ:=true
INSTALL_LIBGCJ:=false

# For SMP machines some stuff can be run in parallel
#JLEVEL=-j3

#############################################################
#
# The list of stuff to build for the target filesystem
#
#############################################################
TARGETS:=host-sed

TARGETS+=uclibc-configured binutils gcc ccache

# Are you building your own kernel?  Perhaps you have a kernel
# you have already configured and you want to use that?  The
# default is to just use a set of known working kernel headers.
# Unless you want to build a kernel, I recommend just using
# that...
TARGETS+=kernel-headers
#TARGETS+=linux
#TARGETS+=system-linux

# The default minimal set
TARGETS+=busybox #tinylogin

# Openssh...
#TARGETS+=zlib openssl openssh
# Dropbear sshd is much smaller than openssl + openssh
#TARGETS+=dropbear_sshd

# Everything needed to build a full uClibc development system!
#TARGETS+=coreutils findutils bash make diffutils patch sed
#TARGETS+=ed flex bison file gawk tar grep bzip2

#If you want a development system, you probably want gcc built
# with uClibc so it can run within your dev system...
#TARGETS+=gcc_target ccache_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 for the host
#TARGETS+=gdbclient
# Some nice debugging tools for the target
#TARGETS+=gdbserver gdb_target
#TARGETS+=strace ltrace

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

# Some stuff for access points and firewalls
#TARGETS+=iptables hostap wtools dhcp_relay bridge
#TARGETS+=iproute2 netsnmp

# 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.
#
#############################################################

ifeq ($(SOFT_FLOAT),true)
# gcc 3.4.x soft float configuration is different than previous versions.
ifeq ($(findstring 3.4.,$(GCC_VERSION)),3.4.)
SOFT_FLOAT_CONFIG_OPTION:=--with-float=soft
else
SOFT_FLOAT_CONFIG_OPTION:=--without-float
endif
TARGET_SOFT_FLOAT:=-msoft-float
ARCH_FPU_SUFFIX:=_nofpu
else
SOFT_FLOAT_CONFIG_OPTION:=
TARGET_SOFT_FLOAT:=
ARCH_FPU_SUFFIX:=
endif

ifeq ($(INSTALL_LIBGCJ),true)
INSTALL_LIBSTDCPP:=true
endif

# WARNING -- uClibc currently disables large file support on cris.
ifeq ("$(strip $(ARCH))","cris")
BUILD_WITH_LARGEFILE:=false
endif

ifneq ($(BUILD_WITH_LARGEFILE),true)
DISABLE_LARGEFILE= --disable-largefile
endif
TARGET_CFLAGS=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)

HOSTCC:=gcc
BASE_DIR:=${shell pwd}
SOURCE_DIR:=$(BASE_DIR)/sources
DL_DIR:=$(SOURCE_DIR)/dl
PATCH_DIR=$(SOURCE_DIR)/patches
BUILD_DIR:=$(BASE_DIR)/build_$(ARCH)$(ARCH_FPU_SUFFIX)
TARGET_DIR:=$(BUILD_DIR)/root
STAGING_DIR=$(BUILD_DIR)/staging_dir
TOOL_BUILD_DIR=$(BASE_DIR)/toolchain_build_$(ARCH)$(ARCH_FPU_SUFFIX)
TARGET_PATH=$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
IMAGE:=$(BASE_DIR)/root_fs_$(ARCH)$(ARCH_FPU_SUFFIX)
REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
KERNEL_CROSS=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
TARGET_CROSS=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
TARGET_CC=$(TARGET_CROSS)gcc
STRIP=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note


HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
	-e 's/sparc.*/sparc/' \
	-e 's/arm.*/arm/g' \
	-e 's/m68k.*/m68k/' \
	-e 's/ppc/powerpc/g' \
	-e 's/v850.*/v850/g' \
	-e 's/sh[234]/sh/' \
	-e 's/mips-.*/mips/' \
	-e 's/mipsel-.*/mipsel/' \
	-e 's/cris.*/cris/' \
	-e 's/i[3-9]86/i386/' \
	)
GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
TARGET_CONFIGURE_OPTS=PATH=$(TARGET_PATH) \
		AR=$(TARGET_CROSS)ar \
		AS=$(TARGET_CROSS)as \
		LD=$(TARGET_CROSS)ld \
		NM=$(TARGET_CROSS)nm \
		CC=$(TARGET_CROSS)gcc \
		GCC=$(TARGET_CROSS)gcc \
		CXX=$(TARGET_CROSS)g++ \
		RANLIB=$(TARGET_CROSS)ranlib

ifeq ($(ENABLE_LOCALE),true)
DISABLE_NLS:=
else
DISABLE_NLS:=--disable-nls
endif


all:   world

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

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

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

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)

$(TOOL_BUILD_DIR):
	mkdir $(TOOL_BUILD_DIR)

$(STAGING_DIR):
	rm -rf $(STAGING_DIR)
	mkdir -p $(STAGING_DIR)/lib
	mkdir -p $(STAGING_DIR)/include
	mkdir -p $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)
	ln -sf ../lib $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib

$(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

source: $(TARGETS_SOURCE)

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

dirclean: $(TARGETS_DIRCLEAN)
	rm -rf $(STAGING_DIR) $(TARGET_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; \