summaryrefslogtreecommitdiff
path: root/Makefile
blob: 55d552b7bf9b778648349d382092b50603988ac6 (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
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
# Makefile for buildroot2
#
# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
# Copyright (C) 2006-2012 by the Buildroot developers <buildroot@uclibc.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...
#--------------------------------------------------------------

# Set and export the version string
export BR2_VERSION:=2012.05-git

# Check for minimal make version (note: this check will break at make 10.x)
MIN_MAKE_VERSION=3.81
ifneq ($(firstword $(sort $(MAKE_VERSION) $(MIN_MAKE_VERSION))),$(MIN_MAKE_VERSION))
$(error You have make '$(MAKE_VERSION)' installed. GNU make >= $(MIN_MAKE_VERSION) is required)
endif

# This top-level Makefile can *not* be executed in parallel
.NOTPARALLEL:

# absolute path
TOPDIR:=$(shell pwd)
CONFIG_CONFIG_IN=Config.in
CONFIG=support/kconfig
DATE:=$(shell date +%Y%m%d)

# Compute the full local version string so packages can use it as-is
# Need to export it, so it can be got from environment in children (eg. mconf)
export BR2_VERSION_FULL:=$(BR2_VERSION)$(shell $(TOPDIR)/support/scripts/setlocalversion)

noconfig_targets:=menuconfig nconfig gconfig xconfig config oldconfig randconfig \
	defconfig %_defconfig savedefconfig allyesconfig allnoconfig silentoldconfig release \
	randpackageconfig allyespackageconfig allnopackageconfig \
	source-check print-version

# Strip quotes and then whitespaces
qstrip=$(strip $(subst ",,$(1)))
#"))

# Variables for use in Make constructs
comma:=,
empty:=
space:=$(empty) $(empty)

ifneq ("$(origin O)", "command line")
O:=output
CONFIG_DIR:=$(TOPDIR)
NEED_WRAPPER=
else
# other packages might also support Linux-style out of tree builds
# with the O=<dir> syntax (E.G. Busybox does). As make automatically
# forwards command line variable definitions those packages get very
# confused. Fix this by telling make to not do so
MAKEOVERRIDES =
# strangely enough O is still passed to submakes with MAKEOVERRIDES
# (with make 3.81 atleast), the only thing that changes is the output
# of the origin function (command line -> environment).
# Unfortunately some packages don't look at origin (E.G. uClibc 0.9.31+)
# To really make O go away, we have to override it.
override O:=$(O)
CONFIG_DIR:=$(O)
# we need to pass O= everywhere we call back into the toplevel makefile
EXTRAMAKEARGS = O=$(O)
NEED_WRAPPER=y
endif

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

# Override BR2_DL_DIR if shell variable defined
ifneq ($(BUILDROOT_DL_DIR),)
BR2_DL_DIR:=$(BUILDROOT_DL_DIR)
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=
ifndef VERBOSE
  VERBOSE=1
endif
else
  quiet=quiet_
  Q=@
endif

# we want bash as shell
SHELL:=$(shell if [ -x "$$BASH" ]; then echo $$BASH; \
	else if [ -x /bin/bash ]; then echo /bin/bash; \
	else echo sh; fi; fi)

# kconfig uses CONFIG_SHELL
CONFIG_SHELL:=$(SHELL)

export SHELL CONFIG_SHELL quiet Q KBUILD_VERBOSE VERBOSE

ifndef HOSTAR
HOSTAR:=ar
endif
ifndef HOSTAS
HOSTAS:=as
endif
ifndef HOSTCC
HOSTCC:=gcc
HOSTCC:=$(shell which $(HOSTCC) || type -p $(HOSTCC) || echo gcc)
endif
HOSTCC_NOCCACHE:=$(HOSTCC)
ifndef HOSTCXX
HOSTCXX:=g++
HOSTCXX:=$(shell which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
endif
HOSTCXX_NOCCACHE:=$(HOSTCXX)
ifndef HOSTFC
HOSTFC:=gfortran
endif
ifndef HOSTCPP
HOSTCPP:=cpp
endif
ifndef HOSTLD
HOSTLD:=ld
endif
ifndef HOSTLN
HOSTLN:=ln
endif
ifndef HOSTNM
HOSTNM:=nm
endif
HOSTAR:=$(shell which $(HOSTAR) || type -p $(HOSTAR) || echo ar)
HOSTAS:=$(shell which $(HOSTAS) || type -p $(HOSTAS) || echo as)
HOSTFC:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo || which g77 || type -p g77 || echo gfortran)
HOSTCPP:=$(shell which $(HOSTCPP) || type -p $(HOSTCPP) || echo cpp)
HOSTLD:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
HOSTLN:=$(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
HOSTNM:=$(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)

export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD
export HOSTCC_NOCCACHE HOSTCXX_NOCCACHE

# bash prints the name of the directory on 'cd <dir>' if CDPATH is
# set, so unset it here to not cause problems. Notice that the export
# line doesn't affect the environment of $(shell ..) calls, so
# explictly throw away any output from 'cd' here.
export CDPATH:=
BASE_DIR := $(shell mkdir -p $(O) && cd $(O) >/dev/null && pwd)
$(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))

BUILD_DIR:=$(BASE_DIR)/build


ifeq ($(BR2_HAVE_DOT_CONFIG),y)

#############################################################
#
# Hide troublesome environment variables from sub processes
#
#############################################################
unexport CROSS_COMPILE
unexport ARCH
unexport CC
unexport CXX
unexport CPP
unexport CFLAGS
unexport CXXFLAGS
unexport GREP_OPTIONS
unexport CONFIG_SITE

GNU_HOST_NAME:=$(shell support/gnuconfig/config.guess)

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

##############################################################
#
# The list of stuff to build for the target toolchain
# along with the packages to build for the target.
#
##############################################################

ifeq ($(BR2_CCACHE),y)
BASE_TARGETS += host-ccache
endif

ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
BASE_TARGETS += uclibc-configured host-binutils cross_compiler uclibc-target-utils kernel-headers
else
BASE_TARGETS += uclibc
endif
TARGETS:=

# silent mode requested?
QUIET:=$(if $(findstring s,$(MAKEFLAGS)),-q)

# Strip off the annoying quoting
ARCH:=$(call qstrip,$(BR2_ARCH))
ifeq ($(ARCH),xtensa)
ARCH:=$(ARCH)_$(call qstrip,$(BR2_xtensa_core_name))
endif

KERNEL_ARCH:=$(shell echo "$(ARCH)" | sed -e "s/-.*//" \
	-e s/i.86/i386/ -e s/sun4u/sparc64/ \
	-e s/arm.*/arm/ -e s/sa110/arm/ \
	-e s/bfin/blackfin/ \
	-e s/parisc64/parisc/ \
	-e s/powerpc64/powerpc/ \
	-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
	-e s/sh.*/sh/)

ZCAT:=$(call qstrip,$(BR2_ZCAT))
BZCAT:=$(call qstrip,$(BR2_BZCAT))
XZCAT:=$(call qstrip,$(BR2_XZCAT))
TAR_OPTIONS=$(call qstrip,$(BR2_TAR_OPTIONS)) -xf

GNU_TARGET_SUFFIX:=-$(call qstrip,$(BR2_GNU_TARGET_SUFFIX))

# packages compiled for the host go here
HOST_DIR:=$(call qstrip,$(BR2_HOST_DIR))

# stamp (dependency) files go here
STAMP_DIR:=$(BASE_DIR)/stamps

BINARIES_DIR:=$(BASE_DIR)/images
TARGET_DIR:=$(BASE_DIR)/target
TOOLCHAIN_DIR=$(BASE_DIR)/toolchain
TARGET_SKELETON=$(TOPDIR)/fs/skeleton

ifeq ($(BR2_CCACHE),y)
CCACHE:=$(HOST_DIR)/usr/bin/ccache
CCACHE_CACHE_DIR=$(HOME)/.buildroot-ccache
HOSTCC  := $(CCACHE) $(HOSTCC)
HOSTCXX := $(CCACHE) $(HOSTCXX)
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

include support/dependencies/dependencies.mk

# 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.
ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
include toolchain/toolchain-buildroot.mk
else ifeq ($(BR2_TOOLCHAIN_EXTERNAL),y)
include toolchain/toolchain-external.mk
else ifeq ($(BR2_TOOLCHAIN_CTNG),y)
include toolchain/toolchain-crosstool-ng.mk
endif

# Include the package override file if one has been provided in the
# configuration.
PACKAGE_OVERRIDE_FILE=$(call qstrip,$(BR2_PACKAGE_OVERRIDE_FILE))
ifneq ($(PACKAGE_OVERRIDE_FILE),)
-include $(PACKAGE_OVERRIDE_FILE)
endif

include package/*/*.mk

include boot/common.mk
include target/Makefile.in
include linux/linux.mk

TARGETS+=target-finalize

ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
TARGETS+=target-purgelocales
endif

include fs/common.mk

TARGETS+=erase-fakeroots

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

# host-* dependencies have to be handled specially, as those aren't
# visible in Kconfig and hence not added to a variable like TARGETS.
# instead, find all the host-* targets listed in each <PKG>_DEPENDENCIES
# variable for each enabled target.
# Notice: this only works for newstyle gentargets/autotargets packages
TARGETS_HOST_DEPS = $(sort $(filter host-%,$(foreach dep,\
		$(addsuffix _DEPENDENCIES,$(call UPPERCASE,$(TARGETS))),\
		$($(dep)))))
# Host packages can in turn have their own dependencies. Likewise find
# all the package names listed in the HOST_<PKG>_DEPENDENCIES for each
# host package found above. Ideally this should be done recursively until
# no more packages are found, but that's hard to do in make, so limit to
# 1 level for now.
HOST_DEPS = $(sort $(foreach dep,\
		$(addsuffix _DEPENDENCIES,$(call UPPERCASE,$(TARGETS_HOST_DEPS))),\
		$($(dep))))
HOST_SOURCE += $(addsuffix -source,$(sort $(TARGETS_HOST_DEPS) $(HOST_DEPS)))

# all targets depend on the crosscompiler and it's prerequisites
$(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %

dirs: $(DL_DIR) $(TOOLCHAIN_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
	$(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR)

$(BASE_TARGETS): dirs $(HOST_DIR)/usr/share/buildroot/toolchainfile.cmake

$(BUILD_DIR)/buildroot-config/auto.conf: $(CONFIG_DIR)/.config
	$(MAKE) $(EXTRAMAKEARGS) HOSTCC="$(HOSTCC_NOCCACHE)" HOSTCXX="$(HOSTCXX_NOCCACHE)" silentoldconfig

prepare: $(BUILD_DIR)/buildroot-config/auto.conf

world: prepare dirs dependencies $(BASE_TARGETS) $(TARGETS_ALL)

$(HOST_DIR)/usr/share/buildroot/toolchainfile.cmake:
	mkdir -p $(@D)
	@echo -en "\
	set(CMAKE_SYSTEM_NAME Linux)\n\
	set(CMAKE_C_COMPILER $(TARGET_CC_NOCCACHE))\n\
	set(CMAKE_CXX_COMPILER $(TARGET_CXX_NOCCACHE))\n\
	set(CMAKE_C_FLAGS \"\$${CMAKE_C_FLAGS} $(TARGET_CFLAGS)\" CACHE STRING \"Buildroot CFLAGS\" FORCE)\n\
	set(CMAKE_CXX_FLAGS \"\$${CMAKE_CXX_FLAGS} $(TARGET_CXXFLAGS)\" CACHE STRING \"Buildroot CXXFLAGS\" FORCE)\n\
	set(CMAKE_INSTALL_SO_NO_EXE 0)\n\
	set(CMAKE_PROGRAM_PATH \"$(HOST_DIR)/usr/bin\")\n\
	set(CMAKE_FIND_ROOT_PATH \"$(STAGING_DIR)\")\n\
	set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)\n\
	set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)\n\
	set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)\n\
	set(ENV{PKG_CONFIG_SYSROOT_DIR} \"$(STAGING_DIR)\")\n\
	" > $@

.PHONY: all world dirs clean distclean source outputmakefile \
	$(BASE_TARGETS) $(TARGETS) $(TARGETS_ALL) \
	$(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
	$(DL_DIR) $(TOOLCHAIN_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
	$(HOST_DIR) $(BINARIES_DIR) $(STAMP_DIR)

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

$(STAGING_DIR):
	@mkdir -p $(STAGING_DIR)/bin
	@mkdir -p $(STAGING_DIR)/lib
	@mkdir -p $(STAGING_DIR)/usr/lib
	@mkdir -p $(STAGING_DIR)/usr/include
	@mkdir -p $(STAGING_DIR)/usr/bin
	@ln -snf $(STAGING_DIR) $(BASE_DIR)/staging

ifeq ($(BR2_ROOTFS_SKELETON_CUSTOM),y)
TARGET_SKELETON=$(BR2_ROOTFS_SKELETON_CUSTOM_PATH)
endif

$(BUILD_DIR)/.root:
	mkdir -p $(TARGET_DIR)
	if ! [ -d "$(TARGET_DIR)/bin" ]; then \
		if [ -d "$(TARGET_SKELETON)" ]; then \
			cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
		fi; \
		touch $(STAGING_DIR)/.fakeroot.00000; \
	fi
	-find $(TARGET_DIR) -type d -name CVS -print0 -o -name .svn -print0 | xargs -0 rm -rf
	-find $(TARGET_DIR) -type f \( -name .empty -o -name '*~' \) -print0 | xargs -0 rm -rf
	touch $@

$(TARGET_DIR): $(BUILD_DIR)/.root

erase-fakeroots:
	rm -f $(BUILD_DIR)/.fakeroot*

target-finalize:
ifeq ($(BR2_HAVE_DEVFILES),y)
	( support/scripts/copy.sh $(STAGING_DIR) $(TARGET_DIR) )
else
	rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/lib/pkgconfig $(TARGET_DIR)/usr/share/aclocal
	find $(TARGET_DIR)/lib \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
	find $(TARGET_DIR)/usr/lib \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f
endif
ifneq ($(BR2_PACKAGE_GDB),y)
	rm -rf $(TARGET_DIR)/usr/share/gdb
endif
ifneq ($(BR2_HAVE_DOCUMENTATION),y)
	rm -rf $(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/man
	rm -rf $(TARGET_DIR)/usr/info $(TARGET_DIR)/usr/share/info
	rm -rf $(TARGET_DIR)/usr/doc $(TARGET_DIR)/usr/share/doc
	rm -rf $(TARGET_DIR)/usr/share/gtk-doc
	-rmdir $(TARGET_DIR)/usr/share 2>/dev/null
endif
ifeq ($(BR2_PACKAGE_PYTHON_PY_ONLY),y)
	find $(TARGET_DIR)/usr/lib/ -name '*.pyc' -print0 | xargs -0 rm -f
endif
ifeq ($(BR2_PACKAGE_PYTHON_PYC_ONLY),y)
	find $(TARGET_DIR)/usr/lib/ -name '*.py' -print0 | xargs -0 rm -f
endif
	find $(TARGET_DIR) -type f -perm +111 '!' -name 'libthread_db*.so*' | \
		xargs $(STRIPCMD) 2>/dev/null || true
	find $(TARGET_DIR)/lib/modules -type f -name '*.ko' | \
		xargs -r $(KSTRIPCMD) || true

	mkdir -p $(TARGET_DIR)/etc
	# Mandatory configuration file and auxilliary cache directory
	# for recent versions of ldconfig
	touch $(TARGET_DIR)/etc/ld.so.conf
	mkdir -p $(TARGET_DIR)/var/cache/ldconfig
	if [ -x "$(TARGET_CROSS)ldconfig" ]; \
	then \
		$(TARGET_CROSS)ldconfig -r $(TARGET_DIR); \
	else \
		/sbin/ldconfig -r $(TARGET_DIR); \
	fi
	( \
		echo "NAME=Buildroot"; \
		echo "VERSION=$(BR2_VERSION_FULL)"; \
		echo "ID=buildroot"; \
		echo "VERSION_ID=$(BR2_VERSION)"; \
		echo "PRETTY_NAME=\"Buildroot $(BR2_VERSION)\"" \
	) >  $(TARGET_DIR)/etc/os-release

ifneq ($(BR2_ROOTFS_POST_BUILD_SCRIPT),"")
	@$(call MESSAGE,"Executing post-build script")
	$(BR2_ROOTFS_POST_BUILD_SCRIPT) $(TARGET_DIR)
endif

ifeq ($(BR2_ENABLE_LOCALE_PURGE),y)
LOCALE_WHITELIST=$(BUILD_DIR)/locales.nopurge
LOCALE_NOPURGE=$(call qstrip,$(BR2_ENABLE_LOCALE_WHITELIST))

target-purgelocales:
	rm -f $(LOCALE_WHITELIST)
	for i in $(LOCALE_NOPURGE); do echo $$i >> $(LOCALE_WHITELIST); done

	for dir in $(wildcard $(addprefix $(TARGET_DIR),/usr/share/locale /usr/share/X11/locale /usr/man /usr/share/man)); \
	do \
		for lang in $$(cd $$dir; ls .|grep -v man); \
		do \
			grep -qx $$lang $(LOCALE_WHITELIST) || rm -rf $$dir/$$lang; \
		done; \
	done
endif

source: dirs $(TARGETS_SOURCE) $(HOST_SOURCE)

external-deps:
	@$(MAKE) -Bs DL_MODE=SHOW_EXTERNAL_DEPS $(EXTRAMAKEARGS) source | sort -u

show-targets:
	@echo $(TARGETS)

else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)

all: menuconfig

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

HOSTCFLAGS=$(CFLAGS_FOR_BUILD)
export HOSTCFLAGS

$(BUILD_DIR)/buildroot-config/%onf:
	mkdir -p $(@D)/lxdialog
	$(MAKE) CC="$(HOSTCC_NOCCACHE)" HOSTCC="$(HOSTCC_NOCCACHE)" obj=$(@D) -C $(CONFIG) -f Makefile.br $(@F)

COMMON_CONFIG_ENV = \
	KCONFIG_AUTOCONFIG=$(BUILD_DIR)/buildroot-config/auto.conf \
	KCONFIG_AUTOHEADER=$(BUILD_DIR)/buildroot-config/autoconf.h \
	KCONFIG_TRISTATE=$(BUILD_DIR)/buildroot-config/tristate.config \
	BUILDROOT_CONFIG=$(CONFIG_DIR)/.config

xconfig: $(BUILD_DIR)/buildroot-config/qconf outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	@$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)

gconfig: $(BUILD_DIR)/buildroot-config/gconf outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	@$(COMMON_CONFIG_ENV) srctree=$(TOPDIR) $< $(CONFIG_CONFIG_IN)

menuconfig: $(BUILD_DIR)/buildroot-config/mconf outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	@$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)

nconfig: $(BUILD_DIR)/buildroot-config/nconf outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	@$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)

config: $(BUILD_DIR)/buildroot-config/conf outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	@$(COMMON_CONFIG_ENV) $< $(CONFIG_CONFIG_IN)

oldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
	mkdir -p $(BUILD_DIR)/buildroot-config
	@$(COMMON_CONFIG_ENV) $< --oldconfig $(CONFIG_CONFIG_IN)

randconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	@$(COMMON_CONFIG_ENV) $< --randconfig $(CONFIG_CONFIG_IN)

allyesconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	@$(COMMON_CONFIG_ENV) $< --allyesconfig $(CONFIG_CONFIG_IN)

allnoconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	@$(COMMON_CONFIG_ENV) $< --allnoconfig $(CONFIG_CONFIG_IN)

randpackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	@grep -v BR2_PACKAGE_ $(CONFIG_DIR)/.config > $(CONFIG_DIR)/.config.nopkg
	@$(COMMON_CONFIG_ENV) \
		KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
		$< --randconfig $(CONFIG_CONFIG_IN)
	@rm -f $(CONFIG_DIR)/.config.nopkg

allyespackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	@grep -v BR2_PACKAGE_ $(CONFIG_DIR)/.config > $(CONFIG_DIR)/.config.nopkg
	@$(COMMON_CONFIG_ENV) \
		KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
		$< --allyesconfig $(CONFIG_CONFIG_IN)
	@rm -f $(CONFIG_DIR)/.config.nopkg

allnopackageconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	@grep -v BR2_PACKAGE_ $(CONFIG_DIR)/.config > $(CONFIG_DIR)/.config.nopkg
	@$(COMMON_CONFIG_ENV) \
		KCONFIG_ALLCONFIG=$(CONFIG_DIR)/.config.nopkg \
		$< --allnoconfig $(CONFIG_CONFIG_IN)
	@rm -f $(CONFIG_DIR)/.config.nopkg

silentoldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	$(COMMON_CONFIG_ENV) $< --silentoldconfig $(CONFIG_CONFIG_IN)

defconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	@$(COMMON_CONFIG_ENV) $< --defconfig $(CONFIG_CONFIG_IN)

%_defconfig: $(BUILD_DIR)/buildroot-config/conf $(TOPDIR)/configs/%_defconfig outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	@$(COMMON_CONFIG_ENV) $< --defconfig=$(TOPDIR)/configs/$@ $(CONFIG_CONFIG_IN)

savedefconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
	@mkdir -p $(BUILD_DIR)/buildroot-config
	@$(COMMON_CONFIG_ENV) $< --savedefconfig=$(CONFIG_DIR)/defconfig $(CONFIG_CONFIG_IN)

# check if download URLs are outdated
source-check: allyesconfig
	$(MAKE) DL_MODE=SOURCE_CHECK $(EXTRAMAKEARGS) source

endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)

#############################################################
#
# Cleanup and misc junk
#
#############################################################

# outputmakefile generates a Makefile in the output directory, if using a
# separate output directory. This allows convenient use of make in the
# output directory.
outputmakefile:
ifeq ($(NEED_WRAPPER),y)
	$(Q)$(TOPDIR)/support/scripts/mkmakefile $(TOPDIR) $(O)
endif

clean:
	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(BINARIES_DIR) $(HOST_DIR) \
		$(STAMP_DIR) $(BUILD_DIR) $(TOOLCHAIN_DIR) $(BASE_DIR)/staging

distclean: clean
ifeq ($(DL_DIR),$(TOPDIR)/dl)
	rm -rf $(DL_DIR)
endif
ifeq ($(O),output)
	rm -rf $(O)
endif
	rm -rf $(CONFIG_DIR)/.config $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/.auto.deps

cross: $(BASE_TARGETS)

help:
	@echo 'Cleaning:'
	@echo '  clean                  - delete all files created by build'
	@echo '  distclean              - delete all non-source files (including .config)'
	@echo
	@echo 'Build:'
	@echo '  all                    - make world'
	@echo '  <package>-rebuild      - force recompile <package>'
	@echo '  <package>-reconfigure  - force reconfigure <package>'
	@echo
	@echo 'Configuration:'
	@echo '  menuconfig             - interactive curses-based configurator'
	@echo '  nconfig                - interactive ncurses-based configurator'
	@echo '  xconfig                - interactive Qt-based configurator'
	@echo '  gconfig                - interactive GTK-based configurator'
	@echo '  oldconfig              - resolve any unresolved symbols in .config'
	@echo '  randconfig             - New config with random answer to all options'
	@echo '  defconfig              - New config with default answer to all options'
	@echo '  savedefconfig          - Save current config as ./defconfig (minimal config)'
	@echo '  allyesconfig           - New config where all options are accepted with yes'
	@echo '  allnoconfig            - New config where all options are answered with no'
	@echo '  randpackageconfig      - New config with random answer to package options'
	@echo '  allyespackageconfig    - New config where pkg options are accepted with yes'
	@echo '  allnopackageconfig     - New config where package options are answered with no'
ifeq ($(BR2_PACKAGE_BUSYBOX),y)
	@echo '  busybox-menuconfig     - Run BusyBox menuconfig'
endif
ifeq ($(BR2_LINUX_KERNEL),y)
	@echo '  linux-menuconfig       - Run Linux kernel menuconfig'
	@echo '  linux-savedefconfig    - Run Linux kernel savedefconfig'
endif
ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
	@echo '  uclibc-menuconfig      - Run uClibc menuconfig'
endif
ifeq ($(BR2_TOOLCHAIN_CTNG),y)
	@echo '  ctng-menuconfig        - Run crosstool-NG menuconfig'
endif
ifeq ($(BR2_TARGET_BAREBOX),y)
	@echo '  barebox-menuconfig     - Run barebox menuconfig'
	@echo '  barebox-savedefconfig  - Run barebox savedefconfig'
endif
	@echo
	@echo 'Documentation:'
	@echo '  manual                 - build manual in HTML, split HTML, PDF and txt'
	@echo '  manual-html            - build manual in HTML'
	@echo '  manual-split-html      - build manual in split HTML'
	@echo '  manual-pdf             - build manual in PDF'
	@echo '  manual-txt             - build manual in txt'
	@echo '  manual-epub            - build manual in ePub'
	@echo
	@echo 'Miscellaneous:'
	@echo '  source                 - download all sources needed for offline-build'
	@echo '  source-check           - check all packages for valid download URLs'
	@echo '  external-deps          - list external packages used'
	@echo
	@echo '  make V=0|1             - 0 => quiet build (default), 1 => verbose build'
	@echo '  make O=dir             - Locate all output files in "dir", including .config'
	@echo
	@$(foreach b, $(sort $(notdir $(wildcard $(TOPDIR)/configs/*_defconfig))), \
	  printf "  %-35s - Build for %s\\n" $(b) $(b:_defconfig=);)
	@echo
	@echo 'See docs/README, or generate the Buildroot manual for further details'
	@echo

release: OUT=buildroot-$(BR2_VERSION)

# Create release tarballs. We need to fiddle a bit to add the generated
# documentation to the git output
release:
	git archive --format=tar --prefix=$(OUT)/ master > $(OUT).tar
	$(MAKE) O=$(OUT) manual-html manual-txt manual-pdf
	tar rf $(OUT).tar $(OUT)
	gzip -9 -c < $(OUT).tar > $(OUT).tar.gz
	bzip2 -9 -c < $(OUT).tar > $(OUT).tar.bz2
	rm -rf $(OUT) $(OUT).tar

print-version:
	@echo $(BR2_VERSION_FULL)

################################################################################
# GENDOC -- generates the make targets needed to build a specific type of
#           asciidoc documentation.
#
#  argument 1 is the name of the document and must be a subdirectory of docs/;
#             the top-level asciidoc file must have the same name
#  argument 2 is the type of document to generate (-f argument of a2x)
#  argument 3 is the document type as used in the make target
#  argument 4 is the output file extension for the document type
#  argument 5 is the human text for the document type
#  argument 6 (optional) are extra arguments for a2x
#
# The variable <DOCUMENT_NAME>_SOURCES defines the dependencies.
################################################################################
define GENDOC_INNER
$(1): $(1)-$(3)
.PHONY: $(1)-$(3)
$(1)-$(3): $$(O)/docs/$(1)/$(1).$(4)

$$(O)/docs/$(1)/$(1).$(4): docs/$(1)/$(1).txt $$($(call UPPERCASE,$(1))_SOURCES)
	@echo "Generating $(5) $(1)..."
	$(Q)mkdir -p $$(@D)
	$(Q)a2x $(6) -f $(2) -d book -L -r $(TOPDIR)/docs/images \
	  -D $$(@D) $$<
endef

################################################################################
# GENDOC -- generates the make targets needed to build asciidoc documentation.
#
#  argument 1 is the name of the document and must be a subdirectory of docs/;
#             the top-level asciidoc file must have the same name
#
# The variable <DOCUMENT_NAME>_SOURCES defines the dependencies.
################################################################################
define GENDOC
$(call GENDOC_INNER,$(1),xhtml,html,html,HTML)
$(call GENDOC_INNER,$(1),chunked,split-html,chunked,Split HTML)
$(call GENDOC_INNER,$(1),pdf,pdf,pdf,PDF,--dblatex-opts "-P latex.output.revhistory=0")
$(call GENDOC_INNER,$(1),text,txt,text,Text)
$(call GENDOC_INNER,$(1),epub,epub,epub,EPUB)
clean: clean-$(1)
clean-$(1):
	$(Q)$(RM) -rf $(O)/docs/$(1)
.PHONY: $(1) clean-$(1)
endef

MANUAL_SOURCES = $(wildcard docs/manual/*.txt) $(wildcard docs/images/*)
$(eval $(call GENDOC,manual))

.PHONY: $(noconfig_targets)