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Fixed infinite loop in Windows build failure path (bug 4144, r=ds).

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This commit is contained in:
David Anderson 2009-12-14 23:07:54 -08:00
parent 98ad6cd23b
commit f0f14d8a22
1 changed files with 4 additions and 2 deletions
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6
AMBuildScript
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@ -49,12 +49,14 @@ class SM:
raise Exception('Path for {0} was not found: {1}'.format(i, path))
else:
head = os.getcwd()
while head != None and head != '/':
oldhead = None
while head != None and head != oldhead:
path = os.path.join(head, envvars[i])
if os.path.isdir(path):
break
oldhead = head
head, tail = os.path.split(head)
if head == None or head == '/':
if head == None or head == oldhead:
raise Exception('Could not find a valid path for {0}'.format(i))
AMBuild.cache.CacheVariable(i, path)