Hi,
Pardon my newness to gnuradio... I compiled and installed the latest
dev tar.gz. I tried to compile 3.4.2 with autotools, but didn't get
anywhere. So I followed an advice in a mail I found, and, using
cmake/gmake, all went well (no error messages at least).
Impatiently, I composed a small system with a wav-file reader, low-pass,
and audio-output, and this worked fine. More systematically, I tried to
load the example in /gnuradio-examples/grc/simple, called
variable-config.grc. Here I get the error:
Generating:
"/usr/local/src/hardware/gnuradio/gnuradio-examples/grc/simple/variable_config_demo.py"
Generate Error: circular dependency caught in sort_variables
>>> Failue
Traceback (most recent call last):
File
"/usr/local/lib64/python2.6/site-packages/gnuradio/grc/gui/ActionHandler.py",
line 291, in _handle_action
generator.write()
File
"/usr/local/lib64/python2.6/site-packages/gnuradio/grc/python/Generator.py",
line 66, in write
open(self.get_file_path(), 'w').write(str(self))
File
"/usr/local/lib64/python2.6/site-packages/gnuradio/grc/python/Generator.py",
line 102, in __str__
variables = self._flow_graph.get_variables()
File
"/usr/local/lib64/python2.6/site-packages/gnuradio/grc/python/FlowGraph.py",
line 101, in get_variables
return expr_utils.sort_objects(variables, lambda v: v.get_id(), lambda v:
v.get_var_make())
File
"/usr/local/lib64/python2.6/site-packages/gnuradio/grc/python/expr_utils.py",
line 148, in sort_objects
sorted_ids = sort_variables(id2expr)
File
"/usr/local/lib64/python2.6/site-packages/gnuradio/grc/python/expr_utils.py",
line 129, in sort_variables
if not indep_vars: raise Exception('circular dependency caught in
sort_variables')
Exception: circular dependency caught in sort_variables
Executing:
"/usr/local/src/hardware/gnuradio/gnuradio-examples/grc/simple/variable_config_demo.py"
Seemingly randomly, I get a red title in some box, and the error message:
Param - Enabled(_enabled):
Value "True" cannot be evaluated:
circular dependency caught in sort_variables
Any suggestions for further testing?
(Python 2.6.6, GNU Radio Companion v3.5.x-xxx-xunknown).
Linux 2.6.37.3 #1 SMP Sun Mar 13 20:31:56 ART 2011 x86_64 AMD Athlon(tm) 64 X2
Dual Core Processor 3600+ AuthenticAMD GNU/Linux
Greetings,
John
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