#
# Sanity check the users setup for common misconfigurations
#
def raise_sanity_error(msg):
import bb
bb.fatal(""" Poky's config sanity checker detected a potential misconfiguration.
Either fix the cause of this error or at your own risk disable the checker (see sanity.conf).
Following is the list of potential problems / advisories:
%s""" % msg)
def check_conf_exists(fn, data):
import bb, os
bbpath = []
fn = bb.data.expand(fn, data)
vbbpath = bb.data.getVar("BBPATH", data)
if vbbpath:
bbpath += vbbpath.split(":")
for p in bbpath:
currname = os.path.join(bb.data.expand(p, data), fn)
if os.access(currname, os.R_OK):
return True
return False
def check_sanity(e):
from bb import note, error, data, __version__
from bb.event import Handled, NotHandled, getName
try:
from distutils.version import LooseVersion
except ImportError:
def LooseVersion(v): print "WARNING: sanity.bbclass can't compare versions without python-distutils"; return 1
import os, commands
# Check the bitbake version meets minimum requirements
minversion = data.getVar('BB_MIN_VERSION', e.data , True)
if not minversion:
# Hack: BB_MIN_VERSION hasn't been parsed yet so return
# and wait for the next call
print "Foo %s" % minversion
return
if 0 == os.getuid():
raise_sanity_error("Do not use Bitbake as root.")
messages = ""
if (LooseVersion(__version__) < LooseVersion(minversion)):
messages = messages + 'Bitbake version %s is required and version %s was found\n' % (minversion, __version__)
# Check TARGET_ARCH is set
if data.getVar('TARGET_ARCH', e.data, True) == 'INVALID':
messages = messages + 'Please set TARGET_ARCH directly, or choose a MACHINE or DISTRO that does so.\n'
# Check TARGET_OS is set
if data.getVar('TARGET_OS', e.data, True) == 'INVALID':
messages = messages + 'Please set TARGET_OS directly, or choose a MACHINE or DISTRO that does so.\n'
assume_provided = data.getVar('ASSUME_PROVIDED', e.data , True).split()
# Check user doesn't have ASSUME_PROVIDED = instead of += in local.conf
if "diffstat-native" not in assume_provided:
messages = messages + 'Please use ASSUME_PROVIDED +=, not ASSUME_PROVIDED = in your local.conf\n'
# Check that the MACHINE is valid, if it is set
if data.getVar('MACHINE', e.data, True):
if not check_conf_exists("conf/machine/${MACHINE}.conf", e.data):
messages = messages + 'Please set a valid MACHINE in your local.conf\n'
# Check that the DISTRO is valid
# need to take into account DISTRO renaming DISTRO
if not ( check_conf_exists("conf/distro/${DISTRO}.conf", e.data) or check_conf_exists("conf/distro/include/${DISTRO}.inc", e.data) ):
messages = messages + "DISTRO '%s' not found. Please set a valid DISTRO in your local.conf\n" % data.getVar("DISTRO", e.data, True )
missing = ""
if not check_app_exists("${MAKE}", e.data):
missing = missing + "GNU make,"
if not check_app_exists('${BUILD_PREFIX}gcc', e.data):
missing = missing + "C Compiler (%sgcc)," % data.getVar("BUILD_PREFIX", e.data, True)
if not check_app_exists('${BUILD_PREFIX}g++', e.data):
missing = missing + "C++ Compiler (%sg++)," % data.getVar("BUILD_PREFIX", e.data, True)
required_utilities = "patch help2man diffstat texi2html makeinfo cvs svn bzip2 tar gzip gawk"
# qemu-native needs gcc 3.x
if "qemu-native" not in assume_provided and "gcc3-native" in assume_provided:
gcc_version = commands.getoutput("${BUILD_PREFIX}gcc --version | head -n 1 | cut -f 3 -d ' '")
if not check_gcc3(e.data) and gcc_version[0] != '3':
messages = messages + "gcc3-native was in ASSUME_PROVIDED but the gcc-3.x binary can't be found in PATH"
missing = missing + "gcc-3.x (needed for qemu-native),"
if "qemu-native" in assume_provided:
if not check_app_exists("qemu-arm", e.data):
messages = messages + "qemu-native was in ASSUME_PROVIDED but the QEMU binaries (qemu-arm) can't be found in PATH"
if data.getVar('TARGET_ARCH', e.data, True) == "arm":
if os.path.exists("/proc/sys/vm/mmap_min_addr"):
f = file("/proc/sys/vm/mmap_min_addr", "r")
if (f.read().strip() != "0"):
messages = messages + "/proc/sys/vm/mmap_min_addr is not 0. This will cause problems with qemu so please fix the value (as root).\n\nTo fix this in later reboots, set vm.mmap_min_addr = 0 in /etc/sysctl.conf.\n"
f.close()
for util in required_utilities.split():
if not check_app_exists( util, e.data ):
missing = missing + "%s," % util
if missing != "":
missing = missing.rstrip(',')
messages = messages + "Please install following missing utilities: %s\n" % missing
if os.path.basename(os.readlink('/bin/sh')) == 'dash':
messages = messages + "Using dash as /bin/sh causes various subtle build problems, please use bash instead.\n"
omask = os.umask(022)
if omask & 0755:
messages = messages + "Please use a umask which allows a+rx and u+rwx\n"
os.umask(omask)
oes_bb_conf = data.getVar( 'OES_BITBAKE_CONF', e.data, True )
if not oes_bb_conf:
messages = messages + 'You do not include OpenEmbeddeds version of conf/bitbake.conf. This means your environment is misconfigured, in particular check BBPATH.\n'
#
# Check that TMPDIR hasn't changed location since the last time we were run
#
tmpdir = data.getVar('TMPDIR', e.data, True)
checkfile = os.path.join(tmpdir, "saved_tmpdir")
if os.path.exists(checkfile):
f = file(checkfile, "r")
if (f.read().strip() != tmpdir):
messages = messages + "Error, TMPDIR has changed location. You need to either move it back to %s or rebuild\n" % tmpdir
else:
f = file(checkfile, "w")
f.write(tmpdir)
f.close()
#
# Check the 'ABI' of TMPDIR
#
current_abi = data.getVar('OELAYOUT_ABI', e.data, True)
abifile = data.getVar('SANITY_ABIFILE', e.data, True)
if os.path.exists(abifile):
f = file(abifile, "r")
abi = f.read().strip()
if not abi.isdigit():
f = file(abifile, "w")
f.write(current_abi)
elif (abi != current_abi):
# Code to convert from one ABI to another could go here if possible.
messages = messages + "Error, TMPDIR has changed ABI (%s to %s) and you need to either rebuild, revert or adjust it at your own risk.\n" % (abi, current_abi)
else:
f = file(abifile, "w")
f.write(current_abi)
f.close()
if messages != "":
raise_sanity_error(messages)
addhandler check_sanity_eventhandler
python check_sanity_eventhandler() {
from bb import note, error, data, __version__
from bb.event import getName
if getName(e) == "ConfigParsed":
check_sanity(e)
return NotHandled
}
id='n67' href='#n67'>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
|