summaryrefslogtreecommitdiff
path: root/Makefile
blob: 2b1deabca3e88702c43cfa07ad88a187ff012235 (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
# Makefile for buildroot2
#
# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.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
#

#--------------------------------------------------------------
# Just run 'make menuconfig', configure stuff, then run 'make'.
# You shouldn't need to mess with anything beyond this point...
#--------------------------------------------------------------
TOPDIR=./
CONFIG_CONFIG_IN = Config.in
CONFIG_DEFCONFIG = .defconfig
CONFIG = package/config

noconfig_targets := menuconfig config oldconfig randconfig \
	defconfig allyesconfig allnoconfig release tags    \
	source-check help

#	$(shell find . -name *_defconfig |sed 's/.*\///')

# Pull in the user's configuration file
ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
-include $(TOPDIR).config
endif

# To put more focus on warnings, be less verbose as default
# Use 'make V=1' to see the full commands
ifdef V
  ifeq ("$(origin V)", "command line")
    KBUILD_VERBOSE = $(V)
  endif
endif
ifndef KBUILD_VERBOSE
  KBUILD_VERBOSE = 0
endif

ifeq ($(KBUILD_VERBOSE),1)
  quiet=
  Q =
else
  quiet=quiet_
  Q = @
endif

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

export CONFIG_SHELL quiet Q KBUILD_VERBOSE

ifndef HOSTAR
HOSTAR:=ar
endif
ifndef HOSTAS
HOSTAS:=as
endif
ifndef HOSTCC
HOSTCC:=gcc
else
endif
ifndef HOSTCXX
HOSTCXX:=g++
endif
ifndef HOSTLD
HOSTLD:=ld
endif
HOSTAR :=$(shell $(CONFIG_SHELL) -c "which $(HOSTAR)"  || type -p $(HOSTAR)  || echo ar)
HOSTAS :=$(shell $(CONFIG_SHELL) -c "which $(HOSTAS)"  || type -p $(HOSTAS)  || echo as)
HOSTCC :=$(shell $(CONFIG_SHELL) -c "which $(HOSTCC)"  || type -p $(HOSTCC)  || echo gcc)
HOSTCXX:=$(shell $(CONFIG_SHELL) -c "which $(HOSTCXX)" || type -p $(HOSTCXX) || echo g++)
HOSTLD :=$(shell $(CONFIG_SHELL) -c "which $(HOSTLD)"  || type -p $(HOSTLD)  || echo ld)
ifndef CFLAGS_FOR_BUILD
CFLAGS_FOR_BUILD:=-g -O2
endif
export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTLD


ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)

# cc-option
# Usage: cflags-y += $(call cc-option, -march=winchip-c6, -march=i586)
# sets -march=winchip-c6 if supported else falls back to -march=i586
# without checking the latter.
cc-option = $(shell if $(TARGET_CC) $(TARGET_CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
	> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)

#############################################################
#
# Hide troublesome environment variables from sub processes
#
#############################################################
unexport CROSS_COMPILE
unexport ARCH

#############################################################
#
# Setup the proper filename extensions for the host
#
##############################################################
ifneq ($(findstring linux,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=
HOST_LIBEXT:=.a
HOST_SHREXT:=.so
endif
ifneq ($(findstring apple,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=
HOST_LIBEXT:=.a
HOST_SHREXT:=.dylib
endif
ifneq ($(findstring cygwin,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=.exe
HOST_LIBEXT:=.lib
HOST_SHREXT:=.dll
endif
ifneq ($(findstring mingw,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=.exe
HOST_LIBEXT:=.lib
HOST_SHREXT:=.dll
endif

# The preferred type of libs we build for the target
ifeq ($(BR2_PREFER_STATIC_LIB),y)
LIBTGTEXT=.a
#PREFERRED_LIB_FLAGS:=--disable-shared --enable-static
else
LIBTGTEXT=.so
#PREFERRED_LIB_FLAGS:=--disable-static --enable-shared
endif
PREFERRED_LIB_FLAGS:=--enable-static --enable-shared


#############################################################
#
# The list of stuff to build for the target toolchain
# along with the packages to build for the target.
#
##############################################################
ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
TARGETS:=uclibc-configured binutils gcc uclibc-target-utils
else
TARGETS:=uclibc
endif
include toolchain/Makefile.in
include package/Makefile.in

#############################################################
#
# You should probably leave this stuff alone unless you know
# what you are doing.
#
#############################################################

all:   world

# In this section, we need .config
include .config.cmd

# We also need the various per-package makefiles, which also add
# each selected package to TARGETS if that package was selected
# in the .config file.
include toolchain/*/*.mk
include package/*/*.mk

# target stuff is last so it can override anything else
include target/Makefile.in

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)
dirs: $(DL_DIR) $(BUILD_DIR) $(STAGING_DIR)

.PHONY: all world dirs clean dirclean distclean source $(TARGETS) \
	$(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
	$(DL_DIR) $(BUILD_DIR) $(TOOL_BUILD_DIR) $(STAGING_DIR)

#############################################################
#
# staging and target directories do NOT list these as
# dependencies anywhere else
#
#############################################################
$(DL_DIR) $(BUILD_DIR) $(TOOL_BUILD_DIR):
	@mkdir -p $@

$(STAGING_DIR):
	@mkdir -p $(STAGING_DIR)/bin
	@mkdir -p $(STAGING_DIR)/lib
ifeq ($(BR2_TOOLCHAIN_SYSROOT),y)
	@mkdir -p $(STAGING_DIR)/usr/lib
else
	@ln -snf . $(STAGING_DIR)/usr
	@mkdir -p $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)
	@ln -snf ../lib $(STAGING_DIR)/usr/lib
	@ln -snf ../lib $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
endif
	@mkdir -p $(STAGING_DIR)/usr/include

$(TARGET_DIR):
	mkdir -p $(TARGET_DIR)
	if [ -d "$(TARGET_SKELETON)" ] ; then \
		cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
	fi;
	touch $(STAGING_DIR)/.fakeroot.00000
	-find $(TARGET_DIR) -type d -name CVS | xargs rm -rf
	-find $(TARGET_DIR) -type d -name .svn | xargs rm -rf

source: $(TARGETS_SOURCE) $(HOST_SOURCE)

.config.check: dependencies
	$(SED) '/BR2_WGET/s/\"$$/ --spider\"/g' .config
	touch $@

_source-check: .config.check
	$(MAKE) 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:
ifeq ($(DL_DIR),$(BASE_DIR)/dl)
	rm -rf $(DL_DIR)
endif
	rm -rf $(BUILD_DIR) $(LINUX_KERNEL) $(IMAGE) $(BASE_DIR)/include \
		.config.cmd
	$(MAKE) -C $(CONFIG) clean

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


else # ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)

all: menuconfig

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

$(CONFIG)/conf:
	$(MAKE) CC="$(HOSTCC)" HOSTCFLAGS="$(CFLAGS_FOR_BUILD)" MAKECMDGOALS="$(MAKECMDGOALS)" \
		-C $(CONFIG) conf
	-@if [ ! -f .config ] ; then \
		cp $(CONFIG_DEFCONFIG) .config; \
	fi
$(CONFIG)/mconf:
	$(MAKE) CC="$(HOSTCC)" HOSTCFLAGS="$(CFLAGS_FOR_BUILD)" MAKECMDGOALS="$(MAKECMDGOALS)" \
		-C $(CONFIG) conf mconf
	-@if [ ! -f .config ] ; then \
		cp $(CONFIG_DEFCONFIG) .config; \
	fi

menuconfig: $(CONFIG)/mconf
	@-mkdir -p include/config
	@KCONFIG_AUTOCONFIG=include/config/auto.conf \
		KCONFIG_AUTOHEADER=include/autoconf.h \
		$(CONFIG)/mconf $(CONFIG_CONFIG_IN)

config: $(CONFIG)/conf
	@-mkdir -p include/config
	@KCONFIG_AUTOCONFIG=include/config/auto.conf \
		KCONFIG_AUTOHEADER=include/autoconf.h \
		$(CONFIG)/conf $(CONFIG_CONFIG_IN)

oldconfig: $(CONFIG)/conf
	@-mkdir -p include/config
	@KCONFIG_AUTOCONFIG=include/config/auto.conf \
		KCONFIG_AUTOHEADER=include/autoconf.h \
		$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)

randconfig: $(CONFIG)/conf
	@-mkdir -p include/config
	@KCONFIG_AUTOCONFIG=include/config/auto.conf \
		KCONFIG_AUTOHEADER=include/autoconf.h \
		$(CONFIG)/conf -r $(CONFIG_CONFIG_IN)

allyesconfig: $(CONFIG)/conf
	cat $(CONFIG_DEFCONFIG) > .config
	@-mkdir -p include/config
	@KCONFIG_AUTOCONFIG=include/config/auto.conf \
		KCONFIG_AUTOHEADER=include/autoconf.h \
		$(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
	#sed -i -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config

allnoconfig: $(CONFIG)/conf
	@-mkdir -p include/config
	@KCONFIG_AUTOCONFIG=include/config/auto.conf \
		KCONFIG_AUTOHEADER=include/autoconf.h \
		$(CONFIG)/conf -n $(CONFIG_CONFIG_IN)

defconfig: $(CONFIG)/conf
	@-mkdir -p include/config
	@KCONFIG_AUTOCONFIG=include/config/auto.conf \
		KCONFIG_AUTOHEADER=include/autoconf.h \
		$(CONFIG)/conf -d $(CONFIG_CONFIG_IN)

# check if download URLs are outdated 
source-check: allyesconfig
	$(MAKE) _source-check

#############################################################
#
# Cleanup and misc junk
#
#############################################################
clean:
	rm -f .config .config.old .config.cmd .tmpconfig.h
	- $(MAKE) -C $(CONFIG) clean

distclean: clean
	rm -rf sources/*

endif # ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)

%_defconfig: $(CONFIG)/conf
	cp $(shell find ./target/ -name $@) .config
	@$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)

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                    - make world'
	@echo
	@echo 'Configuration:'
	@echo '  menuconfig             - interactive curses-based configurator'
	@echo '  oldconfig              - resolve any unresolved symbols in .config'
	@echo
	@echo 'Miscellaneous:'
	@echo '  source                 - download all sources needed for offline-build'
	@echo '  source-check           - check all packages for valid download URLS'
	@echo

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