[PATCH] fix bundled base.bbclass file

[Andrew Stubbs <ams@codesourcery.com>]

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Hi,

The base.bbclass file that is included with the bitbake sources does not 
appear to work properly. Specifically, none of the output appears on screen.

A quick look at the poky equivalent shows that they use a different 
means to print the data. Presumably something got updated somewhere, and 
the example base class is merely out of date.

The attached patch fixes the do_listtasks and do_showdata code such that 
it works as I would expect.

I had expected that the base_do_build function would run if my .bb file 
did not define do_build, but it does not appear to, and it's not obvious 
to me how, when, or why it is supposed to work.

Andrew

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--- /opt/bitbake/classes/base.bbclass	2012-11-26 09:55:32.000000000 +0000
+++ classes/base.bbclass	2013-01-14 15:02:36.965594908 +0000
@@ -44,7 +44,7 @@
 	# emit the metadata which isnt valid shell
 	for e in bb.data.keys(d):
 		if d.getVarFlag(e, 'python'):
-			sys.__stdout__.write("\npython %s () {\n%s}\n" % (e, d.getVar(e, True)))
+			bb.plain("\npython %s () {\n%s}" % (e, d.getVar(e, True)))
 }
 
 addtask listtasks
@@ -53,7 +53,7 @@
 	import sys
 	for e in bb.data.keys(d):
 		if d.getVarFlag(e, 'task'):
-			sys.__stdout__.write("%s\n" % e)
+			bb.plain("%s" % e)
 }
 
 addtask build