summaryrefslogtreecommitdiffstats
path: root/meta/classes/populate_sdk_ext.bbclass
blob: 0ad1243d4f4a5f8f0e2448f3f1d9cb0a35a03835 (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
# Extensible SDK

inherit populate_sdk_base

# NOTE: normally you cannot use task overrides for this kind of thing - this
# only works because of get_sdk_ext_rdepends()

TOOLCHAIN_HOST_TASK_task-populate-sdk-ext = " \
    meta-environment-extsdk-${MACHINE} \
    "

TOOLCHAIN_TARGET_TASK_task-populate-sdk-ext = ""

SDK_RDEPENDS_append_task-populate-sdk-ext = " ${SDK_TARGETS}"

SDK_RELOCATE_AFTER_INSTALL_task-populate-sdk-ext = "0"

SDK_EXT = ""
SDK_EXT_task-populate-sdk-ext = "-ext"

# Options are full or minimal
SDK_EXT_TYPE ?= "full"

SDK_RECRDEP_TASKS ?= ""

SDK_LOCAL_CONF_WHITELIST ?= ""
SDK_LOCAL_CONF_BLACKLIST ?= "CONF_VERSION \
                             BB_NUMBER_THREADS \
                             PARALLEL_MAKE \
                             PRSERV_HOST \
                             SSTATE_MIRRORS \
                            "
SDK_INHERIT_BLACKLIST ?= "buildhistory icecc"
SDK_UPDATE_URL ?= ""

SDK_TARGETS ?= "${PN}"

def get_sdk_install_targets(d):
    sdk_install_targets = ''
    if d.getVar('SDK_EXT_TYPE', True) != 'minimal':
        sdk_install_targets = d.getVar('SDK_TARGETS', True)

        depd = d.getVar('BB_TASKDEPDATA', False)
        for v in depd.itervalues():
            if v[1] == 'do_image_complete':
                if v[0] not in sdk_install_targets:
                    sdk_install_targets += ' {}'.format(v[0])

    if d.getVar('SDK_INCLUDE_PKGDATA', True) == '1':
        sdk_install_targets += ' meta-world-pkgdata:do_allpackagedata'

    return sdk_install_targets

get_sdk_install_targets[vardepsexclude] = "BB_TASKDEPDATA"

OE_INIT_ENV_SCRIPT ?= "oe-init-build-env"

# The files from COREBASE that you want preserved in the COREBASE copied
# into the sdk. This allows someone to have their own setup scripts in
# COREBASE be preserved as well as untracked files.
COREBASE_FILES ?= " \
    oe-init-build-env \
    oe-init-build-env-memres \
    scripts \
    LICENSE \
    .templateconf \
"

SDK_DIR_task-populate-sdk-ext = "${WORKDIR}/sdk-ext"
B_task-populate-sdk-ext = "${SDK_DIR}"
TOOLCHAINEXT_OUTPUTNAME = "${SDK_NAME}-toolchain-ext-${SDK_VERSION}"
TOOLCHAIN_OUTPUTNAME_task-populate-sdk-ext = "${TOOLCHAINEXT_OUTPUTNAME}"

SDK_EXT_TARGET_MANIFEST = "${SDK_DEPLOY}/${TOOLCHAINEXT_OUTPUTNAME}.target.manifest"
SDK_EXT_HOST_MANIFEST = "${SDK_DEPLOY}/${TOOLCHAINEXT_OUTPUTNAME}.host.manifest"

SDK_TITLE_task-populate-sdk-ext = "${@d.getVar('DISTRO_NAME', True) or d.getVar('DISTRO', True)} Extensible SDK"

python copy_buildsystem () {
    import re
    import shutil
    import glob
    import oe.copy_buildsystem

    oe_init_env_script = d.getVar('OE_INIT_ENV_SCRIPT', True)

    conf_bbpath = ''
    conf_initpath = ''
    core_meta_subdir = ''

    # Copy in all metadata layers + bitbake (as repositories)
    buildsystem = oe.copy_buildsystem.BuildSystem('extensible SDK', d)
    baseoutpath = d.getVar('SDK_OUTPUT', True) + '/' + d.getVar('SDKPATH', True)

    # Determine if we're building a derivative extensible SDK (from devtool build-sdk)
    derivative = (d.getVar('SDK_DERIVATIVE', True) or '') == '1'
    if derivative:
        workspace_name = 'orig-workspace'
    else:
        workspace_name = None
    layers_copied = buildsystem.copy_bitbake_and_layers(baseoutpath + '/layers', workspace_name)

    sdkbblayers = []
    corebase = os.path.basename(d.getVar('COREBASE', True))
    for layer in layers_copied:
        if corebase == os.path.basename(layer):
            conf_bbpath = os.path.join('layers', layer, 'bitbake')
        else:
            sdkbblayers.append(layer)

    for path in os.listdir(baseoutpath + '/layers'):
        relpath = os.path.join('layers', path, oe_init_env_script)
        if os.path.exists(os.path.join(baseoutpath, relpath)):
            conf_initpath = relpath

        relpath = os.path.join('layers', path, 'scripts', 'devtool')
        if os.path.exists(os.path.join(baseoutpath, relpath)):
            scriptrelpath = os.path.dirname(relpath)

        relpath = os.path.join('layers', path, 'meta')
        if os.path.exists(os.path.join(baseoutpath, relpath, 'lib', 'oe')):
            core_meta_subdir = relpath

    d.setVar('oe_init_build_env_path', conf_initpath)
    d.setVar('scriptrelpath', scriptrelpath)

    # Write out config file for devtool
    import ConfigParser
    config = ConfigParser.SafeConfigParser()
    config.add_section('General')
    config.set('General', 'bitbake_subdir', conf_bbpath)
    config.set('General', 'init_path', conf_initpath)
    config.set('General', 'core_meta_subdir', core_meta_subdir)
    config.add_section('SDK')
    config.set('SDK', 'sdk_targets', d.getVar('SDK_TARGETS', True))
    updateurl = d.getVar('SDK_UPDATE_URL', True)
    if updateurl:
        config.set('SDK', 'updateserver', updateurl)
    bb.utils.mkdirhier(os.path.join(baseoutpath, 'conf'))
    with open(os.path.join(baseoutpath, 'conf', 'devtool.conf'), 'w') as f:
        config.write(f)

    unlockedsigs =  os.path.join(baseoutpath, 'conf', 'unlocked-sigs.inc')
    with open(unlockedsigs, 'w') as f:
        pass

    # Create a layer for new recipes / appends
    bbpath = d.getVar('BBPATH', True)
    bb.process.run(['devtool', '--bbpath', bbpath, '--basepath', baseoutpath, 'create-workspace', '--create-only', os.path.join(baseoutpath, 'workspace')])

    # Create bblayers.conf
    bb.utils.mkdirhier(baseoutpath + '/conf')
    with open(baseoutpath + '/conf/bblayers.conf', 'w') as f:
        f.write('# WARNING: this configuration has been automatically generated and in\n')
        f.write('# most cases should not be edited. If you need more flexibility than\n')
        f.write('# this configuration provides, it is strongly suggested that you set\n')
        f.write('# up a proper instance of the full build system and use that instead.\n\n')

        # LCONF_VERSION may not be set, for example when using meta-poky
        # so don't error if it isn't found
        lconf_version = d.getVar('LCONF_VERSION', False)
        if lconf_version is not None:
            f.write('LCONF_VERSION = "%s"\n\n' % lconf_version)

        f.write('BBPATH = "$' + '{TOPDIR}"\n')
        f.write('SDKBASEMETAPATH = "$' + '{TOPDIR}"\n')
        f.write('BBLAYERS := " \\\n')
        for layerrelpath in sdkbblayers:
            f.write('    $' + '{SDKBASEMETAPATH}/layers/%s \\\n' % layerrelpath)
        f.write('    $' + '{SDKBASEMETAPATH}/workspace \\\n')
        f.write('    "\n')

    env_whitelist = (d.getVar('BB_ENV_EXTRAWHITE', True) or '').split()
    env_whitelist_values = {}

    # Create local.conf
    builddir = d.getVar('TOPDIR', True)
    if derivative:
        shutil.copyfile(builddir + '/conf/local.conf', baseoutpath + '/conf/local.conf')
    else:
        local_conf_whitelist = (d.getVar('SDK_LOCAL_CONF_WHITELIST', True) or '').split()
        local_conf_blacklist = (d.getVar('SDK_LOCAL_CONF_BLACKLIST', True) or '').split()
        def handle_var(varname, origvalue, op, newlines):
            if varname in local_conf_blacklist or (origvalue.strip().startswith('/') and not varname in local_conf_whitelist):
                newlines.append('# Removed original setting of %s\n' % varname)
                return None, op, 0, True
            else:
                if varname in env_whitelist:
                    env_whitelist_values[varname] = origvalue
                return origvalue, op, 0, True
        varlist = ['[^#=+ ]*']
        with open(builddir + '/conf/local.conf', 'r') as f:
            oldlines = f.readlines()
        (updated, newlines) = bb.utils.edit_metadata(oldlines, varlist, handle_var)

        with open(baseoutpath + '/conf/local.conf', 'w') as f:
            f.write('# WARNING: this configuration has been automatically generated and in\n')
            f.write('# most cases should not be edited. If you need more flexibility than\n')
            f.write('# this configuration provides, it is strongly suggested that you set\n')
            f.write('# up a proper instance of the full build system and use that instead.\n\n')
            for line in newlines:
                if line.strip() and not line.startswith('#'):
                    f.write(line)
            # Write a newline just in case there's none at the end of the original
            f.write('\n')

            f.write('INHERIT += "%s"\n\n' % 'uninative')
            f.write('CONF_VERSION = "%s"\n\n' % d.getVar('CONF_VERSION', False))

            # Some classes are not suitable for SDK, remove them from INHERIT
            f.write('INHERIT_remove = "%s"\n' % d.getVar('SDK_INHERIT_BLACKLIST', False))

            # Bypass the default connectivity check if any
            f.write('CONNECTIVITY_CHECK_URIS = ""\n\n')

            # This warning will come out if reverse dependencies for a task
            # don't have sstate as well as the task itself. We already know
            # this will be the case for the extensible sdk, so turn off the
            # warning.
            f.write('SIGGEN_LOCKEDSIGS_SSTATE_EXISTS_CHECK = "none"\n\n')

            # Error if the sigs in the locked-signature file don't match
            # the sig computed from the metadata.
            f.write('SIGGEN_LOCKEDSIGS_TASKSIG_CHECK = "warn"\n\n')

            # Set up whitelist for run on install
            f.write('BB_SETSCENE_ENFORCE_WHITELIST = "%:* *:do_shared_workdir *:do_rm_work *:do_package"\n\n')

            # Hide the config information from bitbake output (since it's fixed within the SDK)
            f.write('BUILDCFG_HEADER = ""\n\n')

            # Map gcc-dependent uninative sstate cache for installer usage
            f.write('SSTATE_MIRRORS = "file://universal/(.*) file://universal-4.9/\\1\\nfile://universal-4.9/(.*) file://universal-4.8/\\1"\n\n')

            # Allow additional config through sdk-extra.conf
            fn = bb.cookerdata.findConfigFile('sdk-extra.conf', d)
            if fn:
                with open(fn, 'r') as xf:
                    for line in xf:
                        f.write(line)

            # If you define a sdk_extraconf() function then it can contain additional config
            # (Though this is awkward; sdk-extra.conf should probably be used instead)
            extraconf = (d.getVar('sdk_extraconf', True) or '').strip()
            if extraconf:
                # Strip off any leading / trailing spaces
                for line in extraconf.splitlines():
                    f.write(line.strip() + '\n')

            f.write('require conf/locked-sigs.inc\n')
            f.write('require conf/unlocked-sigs.inc\n')

    if os.path.exists(builddir + '/conf/auto.conf'):
        if derivative:
            shutil.copyfile(builddir + '/conf/auto.conf', baseoutpath + '/conf/auto.conf')
        else:
            with open(builddir + '/conf/auto.conf', 'r') as f:
                oldlines = f.readlines()
            (updated, newlines) = bb.utils.edit_metadata(oldlines, varlist, handle_var)
            with open(baseoutpath + '/conf/auto.conf', 'w') as f:
                f.write('# WARNING: this configuration has been automatically generated and in\n')
                f.write('# most cases should not be edited. If you need more flexibility than\n')
                f.write('# this configuration provides, it is strongly suggested that you set\n')
                f.write('# up a proper instance of the full build system and use that instead.\n\n')
                for line in newlines:
                    if line.strip() and not line.startswith('#'):
                        f.write(line)

    # Ensure any variables set from the external environment (by way of
    # BB_ENV_EXTRAWHITE) are set in the SDK's configuration
    extralines = []
    for name, value in env_whitelist_values.iteritems():
        actualvalue = d.getVar(name, True) or ''
        if value != actualvalue:
            extralines.append('%s = "%s"\n' % (name, actualvalue))
    if extralines:
        with open(baseoutpath + '/conf/local.conf', 'a') as f:
            f.write('\n')
            f.write('# Extra settings from environment:\n')
            for line in extralines:
                f.write(line)
            f.write('\n')

    # Filter the locked signatures file to just the sstate tasks we are interested in
    excluded_targets = d.getVar('SDK_TARGETS', True)
    sigfile = d.getVar('WORKDIR', True) + '/locked-sigs.inc'
    lockedsigs_pruned = baseoutpath + '/conf/locked-sigs.inc'
    oe.copy_buildsystem.prune_lockedsigs([],
                                         excluded_targets.split(),
                                         sigfile,
                                         lockedsigs_pruned)

    sstate_out = baseoutpath + '/sstate-cache'
    bb.utils.remove(sstate_out, True)
    # uninative.bbclass sets NATIVELSBSTRING to 'universal'
    fixedlsbstring = 'universal'

    # Add packagedata if enabled
    if d.getVar('SDK_INCLUDE_PKGDATA', True) == '1':
        lockedsigs_base = d.getVar('WORKDIR', True) + '/locked-sigs-base.inc'
        lockedsigs_copy = d.getVar('WORKDIR', True) + '/locked-sigs-copy.inc'
        shutil.move(lockedsigs_pruned, lockedsigs_base)
        oe.copy_buildsystem.merge_lockedsigs(['do_packagedata'],
                                             lockedsigs_base,
                                             d.getVar('STAGING_DIR_HOST', True) + '/world-pkgdata/locked-sigs-pkgdata.inc',
                                             lockedsigs_pruned,
                                             lockedsigs_copy)

    if d.getVar('SDK_EXT_TYPE', True) == 'minimal':
        if derivative:
            # Assume the user is not going to set up an additional sstate
            # mirror, thus we need to copy the additional artifacts (from
            # workspace recipes) into the derivative SDK
            lockedsigs_orig = d.getVar('TOPDIR', True) + '/conf/locked-sigs.inc'
            if os.path.exists(lockedsigs_orig):
                lockedsigs_extra = d.getVar('WORKDIR', True) + '/locked-sigs-extra.inc'
                oe.copy_buildsystem.merge_lockedsigs(None,
                                                     lockedsigs_orig,
                                                     lockedsigs_pruned,
                                                     None,
                                                     lockedsigs_extra)
                oe.copy_buildsystem.create_locked_sstate_cache(lockedsigs_extra,
                                                               d.getVar('SSTATE_DIR', True),
                                                               sstate_out, d,
                                                               fixedlsbstring)
    else:
        oe.copy_buildsystem.create_locked_sstate_cache(lockedsigs_pruned,
                                                       d.getVar('SSTATE_DIR', True),
                                                       sstate_out, d,
                                                       fixedlsbstring)

    # We don't need sstate do_package files
    for root, dirs, files in os.walk(sstate_out):
        for name in files:
            if name.endswith("_package.tgz"):
                f = os.path.join(root, name)
                os.remove(f)

    # Write manifest file
    # Note: at the moment we cannot include the env setup script here to keep
    # it updated, since it gets modified during SDK installation (see
    # sdk_ext_postinst() below) thus the checksum we take here would always
    # be different.
    manifest_file_list = ['conf/*']
    manifest_file = os.path.join(baseoutpath, 'conf', 'sdk-conf-manifest')
    with open(manifest_file, 'w') as f:
        for item in manifest_file_list:
            for fn in glob.glob(os.path.join(baseoutpath, item)):
                if fn == manifest_file:
                    continue
                chksum = bb.utils.sha256_file(fn)
                f.write('%s\t%s\n' % (chksum, os.path.relpath(fn, baseoutpath)))
}

def extsdk_get_buildtools_filename(d):
    return '*-buildtools-nativesdk-standalone-*.sh'

install_tools() {
	install -d ${SDK_OUTPUT}/${SDKPATHNATIVE}${bindir_nativesdk}
	lnr ${SDK_OUTPUT}/${SDKPATH}/${scriptrelpath}/devtool ${SDK_OUTPUT}/${SDKPATHNATIVE}${bindir_nativesdk}/devtool
	lnr ${SDK_OUTPUT}/${SDKPATH}/${scriptrelpath}/recipetool ${SDK_OUTPUT}/${SDKPATHNATIVE}${bindir_nativesdk}/recipetool
	touch ${SDK_OUTPUT}/${SDKPATH}/.devtoolbase

	localconf=${SDK_OUTPUT}/${SDKPATH}/conf/local.conf

	# find latest buildtools-tarball and install it
	buildtools_path=`ls -t1 ${SDK_DEPLOY}/${@extsdk_get_buildtools_filename(d)} | head -n1`
	install $buildtools_path ${SDK_OUTPUT}/${SDKPATH}

	# For now this is where uninative.bbclass expects the tarball
	chksum=`sha256sum ${SDK_DEPLOY}/${BUILD_ARCH}-nativesdk-libc.tar.bz2 | cut -f 1 -d ' '`
	install -d ${SDK_OUTPUT}/${SDKPATH}/downloads/uninative/$chksum/
	install ${SDK_DEPLOY}/${BUILD_ARCH}-nativesdk-libc.tar.bz2 ${SDK_OUTPUT}/${SDKPATH}/downloads/uninative/$chksum/
	echo "UNINATIVE_CHECKSUM[${BUILD_ARCH}] = '$chksum'" >> ${SDK_OUTPUT}/${SDKPATH}/conf/local.conf

	install -m 0644 ${COREBASE}/meta/files/ext-sdk-prepare.py ${SDK_OUTPUT}/${SDKPATH}
}
do_populate_sdk_ext[file-checksums] += "${COREBASE}/meta/files/ext-sdk-prepare.py:True"

# Since bitbake won't run as root it doesn't make sense to try and install
# the extensible sdk as root.
sdk_ext_preinst() {
	if [ "`id -u`" = "0" ]; then
		echo "ERROR: The extensible sdk cannot be installed as root."
		exit 1
	fi
	SDK_EXTENSIBLE="1"
	if [ "$publish" = "1" ] ; then
		EXTRA_TAR_OPTIONS="$EXTRA_TAR_OPTIONS --exclude=ext-sdk-prepare.py"
		if [ "${SDK_EXT_TYPE}" = "minimal" ] ; then
			EXTRA_TAR_OPTIONS="$EXTRA_TAR_OPTIONS --exclude=sstate-cache"
		fi
	fi
}
SDK_PRE_INSTALL_COMMAND_task-populate-sdk-ext = "${sdk_ext_preinst}"

# FIXME this preparation should be done as part of the SDK construction
sdk_ext_postinst() {
	printf "\nExtracting buildtools...\n"
	cd $target_sdk_dir
	printf "buildtools\ny" | ./*buildtools-nativesdk-standalone* > /dev/null || ( printf 'ERROR: buildtools installation failed\n' ; exit 1 )

	# Delete the buildtools tar file since it won't be used again
	rm ./*buildtools-nativesdk-standalone*.sh -f

	# Make sure when the user sets up the environment, they also get
	# the buildtools-tarball tools in their path.
	env_setup_script="$target_sdk_dir/environment-setup-${REAL_MULTIMACH_TARGET_SYS}"
	echo ". $target_sdk_dir/buildtools/environment-setup*" >> $env_setup_script

	# Allow bitbake environment setup to be ran as part of this sdk.
	echo "export OE_SKIP_SDK_CHECK=1" >> $env_setup_script

	# A bit of another hack, but we need this in the path only for devtool
	# so put it at the end of $PATH.
	echo "export PATH=$target_sdk_dir/sysroots/${SDK_SYS}${bindir_nativesdk}:\$PATH" >> $env_setup_script

	echo "printf 'SDK environment now set up; additionally you may now run devtool to perform development tasks.\nRun devtool --help for further details.\n'" >> $env_setup_script

	# Warn if trying to use external bitbake and the ext SDK together
	echo "(which bitbake > /dev/null 2>&1 && echo 'WARNING: attempting to use the extensible SDK in an environment set up to run bitbake - this may lead to unexpected results. Please source this script in a new shell session instead.') || true" >> $env_setup_script

	if [ "$prepare_buildsystem" != "no" ]; then
		printf "Preparing build system...\n"
		# dash which is /bin/sh on Ubuntu will not preserve the
		# current working directory when first ran, nor will it set $1 when
		# sourcing a script. That is why this has to look so ugly.
		LOGFILE="$target_sdk_dir/preparing_build_system.log"
		sh -c ". buildtools/environment-setup* > $LOGFILE && cd $target_sdk_dir/`dirname ${oe_init_build_env_path}` && set $target_sdk_dir && . $target_sdk_dir/${oe_init_build_env_path} $target_sdk_dir >> $LOGFILE && python $target_sdk_dir/ext-sdk-prepare.py '${SDK_INSTALL_TARGETS}' >> $LOGFILE 2>&1" || { echo "ERROR: SDK preparation failed: see $LOGFILE"; cat "$LOGFILE"; echo "printf 'ERROR: this SDK was not fully installed and needs reinstalling\n'" >> $env_setup_script ; exit 1 ; }
		rm $target_sdk_dir/ext-sdk-prepare.py
	fi
	echo done
}

SDK_POST_INSTALL_COMMAND_task-populate-sdk-ext = "${sdk_ext_postinst}"

SDK_POSTPROCESS_COMMAND_prepend_task-populate-sdk-ext = "copy_buildsystem; install_tools; "

SDK_INSTALL_TARGETS = ""
fakeroot python do_populate_sdk_ext() {
    # FIXME hopefully we can remove this restriction at some point, but uninative
    # currently forces this upon us
    if d.getVar('SDK_ARCH', True) != d.getVar('BUILD_ARCH', True):
        bb.fatal('The extensible SDK can currently only be built for the same architecture as the machine being built on - SDK_ARCH is set to %s (likely via setting SDKMACHINE) which is different from the architecture of the build machine (%s). Unable to continue.' % (d.getVar('SDK_ARCH', True), d.getVar('BUILD_ARCH', True)))

    d.setVar('SDK_INSTALL_TARGETS', get_sdk_install_targets(d))

    bb.build.exec_func("do_populate_sdk", d)
}

def get_ext_sdk_depends(d):
    return d.getVarFlag('do_rootfs', 'depends', True) + ' ' + d.getVarFlag('do_build', 'depends', True)

python do_sdk_depends() {
    # We have to do this separately in its own task so we avoid recursing into
    # dependencies we don't need to (e.g. buildtools-tarball) and bringing those
    # into the SDK's sstate-cache
    import oe.copy_buildsystem
    sigfile = d.getVar('WORKDIR', True) + '/locked-sigs.inc'
    oe.copy_buildsystem.generate_locked_sigs(sigfile, d)
}
addtask sdk_depends

do_sdk_depends[dirs] = "${WORKDIR}"
do_sdk_depends[depends] = "${@get_ext_sdk_depends(d)}"
do_sdk_depends[recrdeptask] = "${@d.getVarFlag('do_populate_sdk', 'recrdeptask', False)}"
do_sdk_depends[recrdeptask] += "do_populate_lic do_package_qa do_populate_sysroot do_deploy ${SDK_RECRDEP_TASKS}"
do_sdk_depends[rdepends] = "${@get_sdk_ext_rdepends(d)}"

def get_sdk_ext_rdepends(d):
    localdata = d.createCopy()
    localdata.appendVar('OVERRIDES', ':task-populate-sdk-ext')
    bb.data.update_data(localdata)
    return localdata.getVarFlag('do_populate_sdk', 'rdepends', True)

do_populate_sdk_ext[dirs] = "${@d.getVarFlag('do_populate_sdk', 'dirs', False)}"

do_populate_sdk_ext[depends] = "${@d.getVarFlag('do_populate_sdk', 'depends', False)} \
                                buildtools-tarball:do_populate_sdk uninative-tarball:do_populate_sdk \
                                ${@'meta-world-pkgdata:do_collect_packagedata' if d.getVar('SDK_INCLUDE_PKGDATA', True) == '1' else ''}"

do_populate_sdk_ext[rdepends] += "${@' '.join([x + ':do_build' for x in d.getVar('SDK_TARGETS', True).split()])}"

# Make sure code changes can result in rebuild
do_populate_sdk_ext[vardeps] += "copy_buildsystem \
                                 sdk_ext_postinst"

# Since any change in the metadata of any layer should cause a rebuild of the
# sdk(since the layers are put in the sdk) set the task to nostamp so it
# always runs.
do_populate_sdk_ext[nostamp] = "1"

addtask populate_sdk_ext after do_sdk_depends