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import bb.siggen
def sstate_rundepfilter(siggen, fn, recipename, task, dep, depname, dataCache):
# Return True if we should keep the dependency, False to drop it
def isNative(x):
return x.endswith("-native")
def isCross(x):
return x.endswith("-cross") or x.endswith("-cross-initial") or x.endswith("-cross-intermediate")
def isNativeSDK(x):
return x.startswith("nativesdk-")
def isKernel(fn):
inherits = " ".join(dataCache.inherits[fn])
return inherits.find("module-base.bbclass") != -1 or inherits.find("linux-kernel-base.bbclass") != -1
# Always include our own inter-task dependencies
if recipename == depname:
return True
# Quilt (patch application) changing isn't likely to affect anything
excludelist = ['quilt-native', 'subversion-native', 'git-native']
if depname in excludelist and recipename != depname:
return False
# Don't change native/cross/nativesdk recipe dependencies any further
if isNative(recipename) or isCross(recipename) or isNativeSDK(recipename):
return True
# Only target packages beyond here
# Drop native/cross/nativesdk dependencies from target recipes
if isNative(depname) or isCross(depname) or isNativeSDK(depname):
return False
# Exclude well defined machine specific configurations which don't change ABI
if depname in siggen.abisaferecipes:
return False
# Exclude well defined recipe->dependency
if "%s->%s" % (recipename, depname) in siggen.saferecipedeps:
return False
# Kernel modules are well namespaced. We don't want to depend on the kernel's checksum
# if we're just doing an RRECOMMENDS_xxx = "kernel-module-*", not least because the checksum
# is machine specific.
# Therefore if we're not a kernel or a module recipe (inheriting the kernel classes)
# and we reccomend a kernel-module, we exclude the dependency.
depfn = dep.rsplit(".", 1)[0]
if dataCache and isKernel(depfn) and not isKernel(fn):
for pkg in dataCache.runrecs[fn]:
if " ".join(dataCache.runrecs[fn][pkg]).find("kernel-module-") != -1:
return False
# Default to keep dependencies
return True
class SignatureGeneratorOEBasic(bb.siggen.SignatureGeneratorBasic):
name = "OEBasic"
def init_rundepcheck(self, data):
self.abisaferecipes = (data.getVar("SIGGEN_EXCLUDERECIPES_ABISAFE", True) or "").split()
self.saferecipedeps = (data.getVar("SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS", True) or "").split()
pass
def rundep_check(self, fn, recipename, task, dep, depname, dataCache = None):
return sstate_rundepfilter(self, fn, recipename, task, dep, depname, dataCache)
class SignatureGeneratorOEBasicHash(bb.siggen.SignatureGeneratorBasicHash):
name = "OEBasicHash"
def init_rundepcheck(self, data):
self.abisaferecipes = (data.getVar("SIGGEN_EXCLUDERECIPES_ABISAFE", True) or "").split()
self.saferecipedeps = (data.getVar("SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS", True) or "").split()
pass
def rundep_check(self, fn, recipename, task, dep, depname, dataCache = None):
return sstate_rundepfilter(self, fn, recipename, task, dep, depname, dataCache)
# Insert these classes into siggen's namespace so it can see and select them
bb.siggen.SignatureGeneratorOEBasic = SignatureGeneratorOEBasic
bb.siggen.SignatureGeneratorOEBasicHash = SignatureGeneratorOEBasicHash
def find_siginfo(pn, taskname, taskhashlist, d):
""" Find signature data files for comparison purposes """
import fnmatch
if taskhashlist:
hashfiles = {}
if not taskname:
# We have to derive pn and taskname
key = pn
splitit = key.split('.bb.')
taskname = splitit[1]
pn = os.path.basename(splitit[0]).split('_')[0]
if key.startswith('virtual:native:'):
pn = pn + '-native'
# First search in stamps dir
stampdir = d.getVar('TMPDIR', True) + '/stamps'
filespec = '%s-*.%s.sigdata.*' % (pn, taskname)
filedates = {}
foundall = False
for root, dirs, files in os.walk(stampdir):
for fn in files:
if fnmatch.fnmatch(fn, filespec):
fullpath = os.path.join(root, fn)
match = False
if taskhashlist:
for taskhash in taskhashlist:
if fn.endswith('.%s' % taskhash):
hashfiles[taskhash] = fullpath
if len(hashfiles) == len(taskhashlist):
foundall = True
break
else:
filedates[fullpath] = os.stat(fullpath).st_mtime
if foundall:
break
if len(filedates) < 2 and not foundall:
# That didn't work, look in sstate-cache
hashes = taskhashlist or ['*']
localdata = bb.data.createCopy(d)
for hashval in hashes:
localdata.setVar('PACKAGE_ARCH', '*')
localdata.setVar('TARGET_VENDOR', '*')
localdata.setVar('TARGET_OS', '*')
localdata.setVar('PN', pn)
localdata.setVar('PV', '*')
localdata.setVar('PR', '*')
localdata.setVar('BB_TASKHASH', hashval)
if pn.endswith('-native') or pn.endswith('-crosssdk') or pn.endswith('-cross'):
localdata.setVar('SSTATE_EXTRAPATH', "${NATIVELSBSTRING}/")
sstatename = d.getVarFlag(taskname, "sstate-name")
if not sstatename:
sstatename = taskname
filespec = '%s_%s.*.siginfo' % (localdata.getVar('SSTATE_PKG', True), sstatename)
if hashval != '*':
sstatedir = "%s/%s" % (d.getVar('SSTATE_DIR', True), hashval[:2])
else:
sstatedir = d.getVar('SSTATE_DIR', True)
filedates = {}
for root, dirs, files in os.walk(sstatedir):
for fn in files:
fullpath = os.path.join(root, fn)
if fnmatch.fnmatch(fullpath, filespec):
if taskhashlist:
hashfiles[hashval] = fullpath
else:
filedates[fullpath] = os.stat(fullpath).st_mtime
if taskhashlist:
return hashfiles
else:
return filedates
bb.siggen.find_siginfo = find_siginfo
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