summaryrefslogtreecommitdiffstats
path: root/meta/classes/base.bbclass
blob: 912e81e002738d2519bdd85d2bd415109ce09faa (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
BB_DEFAULT_TASK ?= "build"
CLASSOVERRIDE ?= "class-target"

inherit patch
inherit staging

inherit mirrors
inherit utils
inherit utility-tasks
inherit metadata_scm
inherit logging

OE_IMPORTS += "os sys time oe.path oe.utils oe.types oe.package oe.packagegroup oe.sstatesig oe.lsb oe.cachedpath oe.license"
OE_IMPORTS[type] = "list"

def oe_import(d):
    import sys

    bbpath = d.getVar("BBPATH").split(":")
    sys.path[0:0] = [os.path.join(dir, "lib") for dir in bbpath]

    def inject(name, value):
        """Make a python object accessible from the metadata"""
        if hasattr(bb.utils, "_context"):
            bb.utils._context[name] = value
        else:
            __builtins__[name] = value

    import oe.data
    for toimport in oe.data.typed_value("OE_IMPORTS", d):
        imported = __import__(toimport)
        inject(toimport.split(".", 1)[0], imported)

    return ""

# We need the oe module name space early (before INHERITs get added)
OE_IMPORTED := "${@oe_import(d)}"

def lsb_distro_identifier(d):
    adjust = d.getVar('LSB_DISTRO_ADJUST')
    adjust_func = None
    if adjust:
        try:
            adjust_func = globals()[adjust]
        except KeyError:
            pass
    return oe.lsb.distro_identifier(adjust_func)

die() {
	bbfatal_log "$*"
}

oe_runmake_call() {
	bbnote ${MAKE} ${EXTRA_OEMAKE} "$@"
	${MAKE} ${EXTRA_OEMAKE} "$@"
}

oe_runmake() {
	oe_runmake_call "$@" || die "oe_runmake failed"
}


def base_dep_prepend(d):
    if d.getVar('INHIBIT_DEFAULT_DEPS', False):
        return ""
    return "${BASE_DEFAULT_DEPS}"

BASE_DEFAULT_DEPS = "virtual/${TARGET_PREFIX}gcc virtual/${TARGET_PREFIX}compilerlibs virtual/libc"

BASEDEPENDS = ""
BASEDEPENDS_class-target = "${@base_dep_prepend(d)}"
BASEDEPENDS_class-nativesdk = "${@base_dep_prepend(d)}"

DEPENDS_prepend="${BASEDEPENDS} "

FILESPATH = "${@base_set_filespath(["${FILE_DIRNAME}/${BP}", "${FILE_DIRNAME}/${BPN}", "${FILE_DIRNAME}/files"], d)}"
# THISDIR only works properly with imediate expansion as it has to run
# in the context of the location its used (:=)
THISDIR = "${@os.path.dirname(d.getVar('FILE'))}"

def extra_path_elements(d):
    path = ""
    elements = (d.getVar('EXTRANATIVEPATH') or "").split()
    for e in elements:
        path = path + "${STAGING_BINDIR_NATIVE}/" + e + ":"
    return path

PATH_prepend = "${@extra_path_elements(d)}"

def get_lic_checksum_file_list(d):
    filelist = []
    lic_files = d.getVar("LIC_FILES_CHKSUM") or ''
    tmpdir = d.getVar("TMPDIR")
    s = d.getVar("S")
    b = d.getVar("B")
    workdir = d.getVar("WORKDIR")

    urls = lic_files.split()
    for url in urls:
        # We only care about items that are absolute paths since
        # any others should be covered by SRC_URI.
        try:
            path = bb.fetch.decodeurl(url)[2]
            if not path:
                raise bb.fetch.MalformedUrl(url)

            if path[0] == '/':
                if path.startswith((tmpdir, s, b, workdir)):
                    continue
                filelist.append(path + ":" + str(os.path.exists(path)))
        except bb.fetch.MalformedUrl:
            bb.fatal(d.getVar('PN') + ": LIC_FILES_CHKSUM contains an invalid URL: " + url)
    return " ".join(filelist)

def setup_hosttools_dir(dest, toolsvar, d, fatal=True):
    tools = d.getVar(toolsvar).split()
    origbbenv = d.getVar("BB_ORIGENV", False)
    path = origbbenv.getVar("PATH")
    bb.utils.mkdirhier(dest)
    notfound = []
    for tool in tools:
        desttool = os.path.join(dest, tool)
        if not os.path.exists(desttool):
            srctool = bb.utils.which(path, tool, executable=True)
            if "ccache" in srctool:
                srctool = bb.utils.which(path, tool, executable=True, direction=1)
            if srctool:
                os.symlink(srctool, desttool)
            else:
                notfound.append(tool)
    if notfound and fatal:
        bb.fatal("The following required tools (as specified by HOSTTOOLS) appear to be unavailable in PATH, please install them in order to proceed:\n  %s" % " ".join(notfound))

addtask fetch
do_fetch[dirs] = "${DL_DIR}"
do_fetch[file-checksums] = "${@bb.fetch.get_checksum_file_list(d)}"
do_fetch[file-checksums] += " ${@get_lic_checksum_file_list(d)}"
do_fetch[vardeps] += "SRCREV"
python base_do_fetch() {

    src_uri = (d.getVar('SRC_URI') or "").split()
    if len(src_uri) == 0:
        return

    try:
        fetcher = bb.fetch2.Fetch(src_uri, d)
        fetcher.download()
    except bb.fetch2.BBFetchException as e:
        bb.fatal(str(e))
}

addtask unpack after do_fetch
do_unpack[dirs] = "${WORKDIR}"

python () {
    if d.getVar('S') != d.getVar('WORKDIR'):
        d.setVarFlag('do_unpack', 'cleandirs', '${S}')
    else:
        d.setVarFlag('do_unpack', 'cleandirs', os.path.join('${S}', 'patches'))
}
python base_do_unpack() {
    src_uri = (d.getVar('SRC_URI') or "").split()
    if len(src_uri) == 0:
        return

    try:
        fetcher = bb.fetch2.Fetch(src_uri, d)
        fetcher.unpack(d.getVar('WORKDIR'))
    except bb.fetch2.BBFetchException as e:
        bb.fatal(str(e))
}

def get_layers_branch_rev(d):
    layers = (d.getVar("BBLAYERS") or "").split()
    layers_branch_rev = ["%-20s = \"%s:%s\"" % (os.path.basename(i), \
        base_get_metadata_git_branch(i, None).strip(), \
        base_get_metadata_git_revision(i, None)) \
            for i in layers]
    i = len(layers_branch_rev)-1
    p1 = layers_branch_rev[i].find("=")
    s1 = layers_branch_rev[i][p1:]
    while i > 0:
        p2 = layers_branch_rev[i-1].find("=")
        s2= layers_branch_rev[i-1][p2:]
        if s1 == s2:
            layers_branch_rev[i-1] = layers_branch_rev[i-1][0:p2]
            i -= 1
        else:
            i -= 1
            p1 = layers_branch_rev[i].find("=")
            s1= layers_branch_rev[i][p1:]
    return layers_branch_rev


BUILDCFG_FUNCS ??= "buildcfg_vars get_layers_branch_rev buildcfg_neededvars"
BUILDCFG_FUNCS[type] = "list"

def buildcfg_vars(d):
    statusvars = oe.data.typed_value('BUILDCFG_VARS', d)
    for var in statusvars:
        value = d.getVar(var)
        if value is not None:
            yield '%-20s = "%s"' % (var, value)

def buildcfg_neededvars(d):
    needed_vars = oe.data.typed_value("BUILDCFG_NEEDEDVARS", d)
    pesteruser = []
    for v in needed_vars:
        val = d.getVar(v)
        if not val or val == 'INVALID':
            pesteruser.append(v)

    if pesteruser:
        bb.fatal('The following variable(s) were not set: %s\nPlease set them directly, or choose a MACHINE or DISTRO that sets them.' % ', '.join(pesteruser))

addhandler base_eventhandler
base_eventhandler[eventmask] = "bb.event.ConfigParsed bb.event.MultiConfigParsed bb.event.BuildStarted bb.event.RecipePreFinalise bb.runqueue.sceneQueueComplete bb.event.RecipeParsed"
python base_eventhandler() {
    import bb.runqueue

    if isinstance(e, bb.event.ConfigParsed):
        if not d.getVar("NATIVELSBSTRING", False):
            d.setVar("NATIVELSBSTRING", lsb_distro_identifier(d))
        d.setVar('BB_VERSION', bb.__version__)
        oe.utils.features_backfill("DISTRO_FEATURES", d)
        oe.utils.features_backfill("MACHINE_FEATURES", d)
        # Works with the line in layer.conf which changes PATH to point here
        setup_hosttools_dir(d.getVar('HOSTTOOLS_DIR'), 'HOSTTOOLS', d)
        setup_hosttools_dir(d.getVar('HOSTTOOLS_DIR'), 'HOSTTOOLS_NONFATAL', d, fatal=False)

    if isinstance(e, bb.event.MultiConfigParsed):
        # We need to expand SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS in each of the multiconfig data stores
        # own contexts so the variables get expanded correctly for that arch, then inject back into
        # the main data store.
        deps = []
        for config in e.mcdata:
            deps.append(e.mcdata[config].getVar("SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS"))
        deps = " ".join(deps)
        e.mcdata[''].setVar("SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS", deps)

    if isinstance(e, bb.event.BuildStarted):
        localdata = bb.data.createCopy(d)
        statuslines = []
        for func in oe.data.typed_value('BUILDCFG_FUNCS', localdata):
            g = globals()
            if func not in g:
                bb.warn("Build configuration function '%s' does not exist" % func)
            else:
                flines = g[func](localdata)
                if flines:
                    statuslines.extend(flines)

        statusheader = d.getVar('BUILDCFG_HEADER')
        if statusheader:
            bb.plain('\n%s\n%s\n' % (statusheader, '\n'.join(statuslines)))

    # This code is to silence warnings where the SDK variables overwrite the 
    # target ones and we'd see dulpicate key names overwriting each other
    # for various PREFERRED_PROVIDERS
    if isinstance(e, bb.event.RecipePreFinalise):
        if d.getVar("TARGET_PREFIX") == d.getVar("SDK_PREFIX"):
            d.delVar("PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}binutils")
            d.delVar("PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}gcc-initial")
            d.delVar("PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}gcc")
            d.delVar("PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}g++")
            d.delVar("PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}compilerlibs")

    if isinstance(e, bb.runqueue.sceneQueueComplete):
        completions = d.expand("${STAGING_DIR}/sstatecompletions")
        if os.path.exists(completions):
            cmds = set()
            with open(completions, "r") as f:
                cmds = set(f)
            d.setVar("completion_function", "\n".join(cmds))
            d.setVarFlag("completion_function", "func", "1")
            bb.debug(1, "Executing SceneQueue Completion commands: %s" % "\n".join(cmds))
            bb.build.exec_func("completion_function", d)
            os.remove(completions)

    if isinstance(e, bb.event.RecipeParsed):
        #
        # If we have multiple providers of virtual/X and a PREFERRED_PROVIDER_virtual/X is set
        # skip parsing for all the other providers which will mean they get uninstalled from the
        # sysroot since they're now "unreachable". This makes switching virtual/kernel work in 
        # particular.
        #
        pn = d.getVar('PN')
        source_mirror_fetch = d.getVar('SOURCE_MIRROR_FETCH', False)
        if not source_mirror_fetch:
            provs = (d.getVar("PROVIDES") or "").split()
            multiwhitelist = (d.getVar("MULTI_PROVIDER_WHITELIST") or "").split()
            for p in provs:
                if p.startswith("virtual/") and p not in multiwhitelist:
                    profprov = d.getVar("PREFERRED_PROVIDER_" + p)
                    if profprov and pn != profprov:
                        raise bb.parse.SkipPackage("PREFERRED_PROVIDER_%s set to %s, not %s" % (p, profprov, pn))
}

CONFIGURESTAMPFILE = "${WORKDIR}/configure.sstate"
CLEANBROKEN = "0"

addtask configure after do_patch
do_configure[dirs] = "${B}"
do_prepare_recipe_sysroot[deptask] = "do_populate_sysroot"
base_do_configure() {
	if [ -n "${CONFIGURESTAMPFILE}" -a -e "${CONFIGURESTAMPFILE}" ]; then
		if [ "`cat ${CONFIGURESTAMPFILE}`" != "${BB_TASKHASH}" ]; then
			cd ${B}
			if [ "${CLEANBROKEN}" != "1" -a \( -e Makefile -o -e makefile -o -e GNUmakefile \) ]; then
				oe_runmake clean
			fi
			find ${B} -ignore_readdir_race -name \*.la -delete
		fi
	fi
	if [ -n "${CONFIGURESTAMPFILE}" ]; then
		mkdir -p `dirname ${CONFIGURESTAMPFILE}`
		echo ${BB_TASKHASH} > ${CONFIGURESTAMPFILE}
	fi
}

addtask compile after do_configure
do_compile[dirs] = "${B}"
base_do_compile() {
	if [ -e Makefile -o -e makefile -o -e GNUmakefile ]; then
		oe_runmake || die "make failed"
	else
		bbnote "nothing to compile"
	fi
}

addtask install after do_compile
do_install[dirs] = "${B}"
# Remove and re-create ${D} so that is it guaranteed to be empty
do_install[cleandirs] = "${D}"

base_do_install() {
	:
}

base_do_package() {
	:
}

addtask build after do_populate_sysroot
do_build[noexec] = "1"
do_build[recrdeptask] += "do_deploy"
do_build () {
	:
}

def set_packagetriplet(d):
    archs = []
    tos = []
    tvs = []

    archs.append(d.getVar("PACKAGE_ARCHS").split())
    tos.append(d.getVar("TARGET_OS"))
    tvs.append(d.getVar("TARGET_VENDOR"))

    def settriplet(d, varname, archs, tos, tvs):
        triplets = []
        for i in range(len(archs)):
            for arch in archs[i]:
                triplets.append(arch + tvs[i] + "-" + tos[i])
        triplets.reverse()
        d.setVar(varname, " ".join(triplets))

    settriplet(d, "PKGTRIPLETS", archs, tos, tvs)

    variants = d.getVar("MULTILIB_VARIANTS") or ""
    for item in variants.split():
        localdata = bb.data.createCopy(d)
        overrides = localdata.getVar("OVERRIDES", False) + ":virtclass-multilib-" + item
        localdata.setVar("OVERRIDES", overrides)

        archs.append(localdata.getVar("PACKAGE_ARCHS").split())
        tos.append(localdata.getVar("TARGET_OS"))
        tvs.append(localdata.getVar("TARGET_VENDOR"))

    settriplet(d, "PKGMLTRIPLETS", archs, tos, tvs)

python () {
    import string, re

    # Handle PACKAGECONFIG
    #
    # These take the form:
    #
    # PACKAGECONFIG ??= "<default options>"
    # PACKAGECONFIG[foo] = "--enable-foo,--disable-foo,foo_depends,foo_runtime_depends,foo_runtime_recommends"
    pkgconfigflags = d.getVarFlags("PACKAGECONFIG") or {}
    if pkgconfigflags:
        pkgconfig = (d.getVar('PACKAGECONFIG') or "").split()
        pn = d.getVar("PN")

        mlprefix = d.getVar("MLPREFIX")

        def expandFilter(appends, extension, prefix):
            appends = bb.utils.explode_deps(d.expand(" ".join(appends)))
            newappends = []
            for a in appends:
                if a.endswith("-native") or ("-cross-" in a):
                    newappends.append(a)
                elif a.startswith("virtual/"):
                    subs = a.split("/", 1)[1]
                    if subs.startswith(prefix):
                        newappends.append(a + extension)
                    else:
                        newappends.append("virtual/" + prefix + subs + extension)
                else:
                    if a.startswith(prefix):
                        newappends.append(a + extension)
                    else:
                        newappends.append(prefix + a + extension)
            return newappends

        def appendVar(varname, appends):
            if not appends:
                return
            if varname.find("DEPENDS") != -1:
                if bb.data.inherits_class('nativesdk', d) or bb.data.inherits_class('cross-canadian', d) :
                    appends = expandFilter(appends, "", "nativesdk-")
                elif bb.data.inherits_class('native', d):
                    appends = expandFilter(appends, "-native", "")
                elif mlprefix:
                    appends = expandFilter(appends, "", mlprefix)
            varname = d.expand(varname)
            d.appendVar(varname, " " + " ".join(appends))

        extradeps = []
        extrardeps = []
        extrarrecs = []
        extraconf = []
        for flag, flagval in sorted(pkgconfigflags.items()):
            items = flagval.split(",")
            num = len(items)
            if num > 5:
                bb.error("%s: PACKAGECONFIG[%s] Only enable,disable,depend,rdepend,rrecommend can be specified!"
                    % (d.getVar('PN'), flag))

            if flag in pkgconfig:
                if num >= 3 and items[2]:
                    extradeps.append(items[2])
                if num >= 4 and items[3]:
                    extrardeps.append(items[3])
                if num >= 5 and items[4]:
                    extrarrecs.append(items[4])
                if num >= 1 and items[0]:
                    extraconf.append(items[0])
            elif num >= 2 and items[1]:
                    extraconf.append(items[1])
        appendVar('DEPENDS', extradeps)
        appendVar('RDEPENDS_${PN}', extrardeps)
        appendVar('RRECOMMENDS_${PN}', extrarrecs)
        appendVar('PACKAGECONFIG_CONFARGS', extraconf)

    pn = d.getVar('PN')
    license = d.getVar('LICENSE')
    if license == "INVALID":
        bb.fatal('This recipe does not have the LICENSE field set (%s)' % pn)

    if bb.data.inherits_class('license', d):
        check_license_format(d)
        unmatched_license_flag = check_license_flags(d)
        if unmatched_license_flag:
            bb.debug(1, "Skipping %s because it has a restricted license not"
                 " whitelisted in LICENSE_FLAGS_WHITELIST" % pn)
            raise bb.parse.SkipPackage("because it has a restricted license not"
                 " whitelisted in LICENSE_FLAGS_WHITELIST")

    # If we're building a target package we need to use fakeroot (pseudo)
    # in order to capture permissions, owners, groups and special files
    if not bb.data.inherits_class('native', d) and not bb.data.inherits_class('cross', d):
        d.setVarFlag('do_unpack', 'umask', '022')
        d.setVarFlag('do_configure', 'umask', '022')
        d.setVarFlag('do_compile', 'umask', '022')
        d.appendVarFlag('do_install', 'depends', ' virtual/fakeroot-native:do_populate_sysroot')
        d.setVarFlag('do_install', 'fakeroot', '1')
        d.setVarFlag('do_install', 'umask', '022')
        d.appendVarFlag('do_package', 'depends', ' virtual/fakeroot-native:do_populate_sysroot')
        d.setVarFlag('do_package', 'fakeroot', '1')
        d.setVarFlag('do_package', 'umask', '022')
        d.setVarFlag('do_package_setscene', 'fakeroot', '1')
        d.appendVarFlag('do_package_setscene', 'depends', ' virtual/fakeroot-native:do_populate_sysroot')
        d.setVarFlag('do_devshell', 'fakeroot', '1')
        d.appendVarFlag('do_devshell', 'depends', ' virtual/fakeroot-native:do_populate_sysroot')

    need_machine = d.getVar('COMPATIBLE_MACHINE')
    if need_machine:
        import re
        compat_machines = (d.getVar('MACHINEOVERRIDES') or "").split(":")
        for m in compat_machines:
            if re.match(need_machine, m):
                break
        else:
            raise bb.parse.SkipPackage("incompatible with machine %s (not in COMPATIBLE_MACHINE)" % d.getVar('MACHINE'))

    source_mirror_fetch = d.getVar('SOURCE_MIRROR_FETCH', False)
    if not source_mirror_fetch:
        need_host = d.getVar('COMPATIBLE_HOST')
        if need_host:
            import re
            this_host = d.getVar('HOST_SYS')
            if not re.match(need_host, this_host):
                raise bb.parse.SkipPackage("incompatible with host %s (not in COMPATIBLE_HOST)" % this_host)

        bad_licenses = (d.getVar('INCOMPATIBLE_LICENSE') or "").split()

        check_license = False if pn.startswith("nativesdk-") else True
        for t in ["-native", "-cross-${TARGET_ARCH}", "-cross-initial-${TARGET_ARCH}",
              "-crosssdk-${SDK_SYS}", "-crosssdk-initial-${SDK_SYS}",
              "-cross-canadian-${TRANSLATED_TARGET_ARCH}"]:
            if pn.endswith(d.expand(t)):
                check_license = False
        if pn.startswith("gcc-source-"):
            check_license = False

        if check_license and bad_licenses:
            bad_licenses = expand_wildcard_licenses(d, bad_licenses)

            whitelist = []
            incompatwl = []
            for lic in bad_licenses:
                spdx_license = return_spdx(d, lic)
                for w in ["LGPLv2_WHITELIST_", "WHITELIST_"]:
                    whitelist.extend((d.getVar(w + lic) or "").split())
                    if spdx_license:
                        whitelist.extend((d.getVar(w + spdx_license) or "").split())
                    '''
                    We need to track what we are whitelisting and why. If pn is
                    incompatible we need to be able to note that the image that
                    is created may infact contain incompatible licenses despite
                    INCOMPATIBLE_LICENSE being set.
                    '''
                    incompatwl.extend((d.getVar(w + lic) or "").split())
                    if spdx_license:
                        incompatwl.extend((d.getVar(w + spdx_license) or "").split())

            if not pn in whitelist:
                pkgs = d.getVar('PACKAGES').split()
                skipped_pkgs = []
                unskipped_pkgs = []
                for pkg in pkgs:
                    if incompatible_license(d, bad_licenses, pkg):
                        skipped_pkgs.append(pkg)
                    else:
                        unskipped_pkgs.append(pkg)
                all_skipped = skipped_pkgs and not unskipped_pkgs
                if unskipped_pkgs:
                    for pkg in skipped_pkgs:
                        bb.debug(1, "SKIPPING the package " + pkg + " at do_rootfs because it's " + license)
                        mlprefix = d.getVar('MLPREFIX')
                        d.setVar('LICENSE_EXCLUSION-' + mlprefix + pkg, 1)
                    for pkg in unskipped_pkgs:
                        bb.debug(1, "INCLUDING the package " + pkg)
                elif all_skipped or incompatible_license(d, bad_licenses):
                    bb.debug(1, "SKIPPING recipe %s because it's %s" % (pn, license))
                    raise bb.parse.SkipPackage("it has an incompatible license: %s" % license)
            elif pn in whitelist:
                if pn in incompatwl:
                    bb.note("INCLUDING " + pn + " as buildable despite INCOMPATIBLE_LICENSE because it has been whitelisted")

        # Try to verify per-package (LICENSE_<pkg>) values. LICENSE should be a
        # superset of all per-package licenses. We do not do advanced (pattern)
        # matching of license expressions - just check that all license strings
        # in LICENSE_<pkg> are found in LICENSE.
        license_set = oe.license.list_licenses(license)
        for pkg in d.getVar('PACKAGES').split():
            pkg_license = d.getVar('LICENSE_' + pkg)
            if pkg_license:
                unlisted = oe.license.list_licenses(pkg_license) - license_set
                if unlisted:
                    bb.warn("LICENSE_%s includes licenses (%s) that are not "
                            "listed in LICENSE" % (pkg, ' '.join(unlisted)))

    needsrcrev = False
    srcuri = d.getVar('SRC_URI')
    for uri in srcuri.split():
        (scheme, _ , path) = bb.fetch.decodeurl(uri)[:3]

        # HTTP/FTP use the wget fetcher
        if scheme in ("http", "https", "ftp"):
            d.appendVarFlag('do_fetch', 'depends', ' wget-native:do_populate_sysroot')

        # Svn packages should DEPEND on subversion-native
        if scheme == "svn":
            needsrcrev = True
            d.appendVarFlag('do_fetch', 'depends', ' subversion-native:do_populate_sysroot')

        # Git packages should DEPEND on git-native
        elif scheme in ("git", "gitsm"):
            needsrcrev = True
            d.appendVarFlag('do_fetch', 'depends', ' git-native:do_populate_sysroot')

        # Mercurial packages should DEPEND on mercurial-native
        elif scheme == "hg":
            needsrcrev = True
            d.appendVarFlag('do_fetch', 'depends', ' mercurial-native:do_populate_sysroot')

        # Perforce packages support SRCREV = "${AUTOREV}"
        elif scheme == "p4":
            needsrcrev = True

        # OSC packages should DEPEND on osc-native
        elif scheme == "osc":
            d.appendVarFlag('do_fetch', 'depends', ' osc-native:do_populate_sysroot')

        elif scheme == "npm":
            d.appendVarFlag('do_fetch', 'depends', ' nodejs-native:do_populate_sysroot')

        # *.lz4 should DEPEND on lz4-native for unpacking
        if path.endswith('.lz4'):
            d.appendVarFlag('do_unpack', 'depends', ' lz4-native:do_populate_sysroot')

        # *.lz should DEPEND on lzip-native for unpacking
        elif path.endswith('.lz'):
            d.appendVarFlag('do_unpack', 'depends', ' lzip-native:do_populate_sysroot')

        # *.xz should DEPEND on xz-native for unpacking
        elif path.endswith('.xz') or path.endswith('.txz'):
            d.appendVarFlag('do_unpack', 'depends', ' xz-native:do_populate_sysroot')

        # .zip should DEPEND on unzip-native for unpacking
        elif path.endswith('.zip') or path.endswith('.jar'):
            d.appendVarFlag('do_unpack', 'depends', ' unzip-native:do_populate_sysroot')

        # file is needed by rpm2cpio.sh
        elif path.endswith('.rpm'):
            d.appendVarFlag('do_unpack', 'depends', ' xz-native:do_populate_sysroot')

        # *.deb should DEPEND on xz-native for unpacking
        elif path.endswith('.deb'):
            d.appendVarFlag('do_unpack', 'depends', ' xz-native:do_populate_sysroot')

    if needsrcrev:
        d.setVar("SRCPV", "${@bb.fetch2.get_srcrev(d)}")

    set_packagetriplet(d)

    # 'multimachine' handling
    mach_arch = d.getVar('MACHINE_ARCH')
    pkg_arch = d.getVar('PACKAGE_ARCH')

    if (pkg_arch == mach_arch):
        # Already machine specific - nothing further to do
        return

    #
    # We always try to scan SRC_URI for urls with machine overrides
    # unless the package sets SRC_URI_OVERRIDES_PACKAGE_ARCH=0
    #
    override = d.getVar('SRC_URI_OVERRIDES_PACKAGE_ARCH')
    if override != '0':
        paths = []
        fpaths = (d.getVar('FILESPATH') or '').split(':')
        machine = d.getVar('MACHINE')
        for p in fpaths:
            if os.path.basename(p) == machine and os.path.isdir(p):
                paths.append(p)

        if len(paths) != 0:
            for s in srcuri.split():
                if not s.startswith("file://"):
                    continue
                fetcher = bb.fetch2.Fetch([s], d)
                local = fetcher.localpath(s)
                for mp in paths:
                    if local.startswith(mp):
                        #bb.note("overriding PACKAGE_ARCH from %s to %s for %s" % (pkg_arch, mach_arch, pn))
                        d.setVar('PACKAGE_ARCH', "${MACHINE_ARCH}")
                        return

    packages = d.getVar('PACKAGES').split()
    for pkg in packages:
        pkgarch = d.getVar("PACKAGE_ARCH_%s" % pkg)

        # We could look for != PACKAGE_ARCH here but how to choose
        # if multiple differences are present?
        # Look through PACKAGE_ARCHS for the priority order?
        if pkgarch and pkgarch == mach_arch:
            d.setVar('PACKAGE_ARCH', "${MACHINE_ARCH}")
            bb.warn("Recipe %s is marked as only being architecture specific but seems to have machine specific packages?! The recipe may as well mark itself as machine specific directly." % d.getVar("PN"))
}

addtask cleansstate after do_clean
python do_cleansstate() {
        sstate_clean_cachefiles(d)
}
addtask cleanall after do_cleansstate
do_cleansstate[nostamp] = "1"

python do_cleanall() {
    src_uri = (d.getVar('SRC_URI') or "").split()
    if len(src_uri) == 0:
        return

    try:
        fetcher = bb.fetch2.Fetch(src_uri, d)
        fetcher.clean()
    except bb.fetch2.BBFetchException as e:
        bb.fatal(str(e))
}
do_cleanall[nostamp] = "1"


EXPORT_FUNCTIONS do_fetch do_unpack do_configure do_compile do_install do_package