[Discuss-gnuradio] Error Compiling Multimon

[John]

I am running gnuradio 3.7.0 and been using grc with good results. When I 
try to make Multimon (recent trunk) I get the following errors:

trunk # make
/usr/local/bin/grcc -d . multimode.grc
>>> Error: Block key "gr_complex_to_real" not found in Platform - 
grc(GNU Radio Companion)
Traceback (most recent call last):
  File "/usr/local/bin/grcc", line 25, in <module>
    from grc.python.Platform import Platform
ImportError: No module named grc.python.Platform
>>> Error: Block key "gr_keep_one_in_n" not found in Platform - grc(GNU 
Radio Companion)
Traceback (most recent call last):
  File "/usr/local/bin/grcc", line 25, in <module>
    from grc.python.Platform import Platform
ImportError: No module named grc.python.Platform
>>> Error: Block key "gr_feedforward_agc_cc" not found in Platform - 
grc(GNU Radio Companion)
Traceback (most recent call last):
  File "/usr/local/bin/grcc", line 25, in <module>
    from grc.python.Platform import Platform
ImportError: No module named grc.python.Platform
>>> Error: Block key "gr_keep_one_in_n" not found in Platform - grc(GNU 
Radio Companion)
Traceback (most recent call last):
  File "/usr/local/bin/grcc", line 25, in <module>
    from grc.python.Platform import Platform
ImportError: No module named grc.python.Platform
>>> Error: Block key "gr_keep_one_in_n" not found in Platform - grc(GNU 
Radio Companion)
Traceback (most recent call last):
  File "/usr/local/bin/grcc", line 25, in <module>
    from grc.python.Platform import Platform
ImportError: No module named grc.python.Platform
>>> Error: Block key "gr_fft_filter_xxx" not found in Platform - 
grc(GNU Radio Companion)
Traceback (most recent call last):
  File "/usr/local/bin/grcc", line 25, in <module>
    from grc.python.Platform import Platform
ImportError: No module named grc.python.Platform

[continuation of errors snipped]

Any ideas as to how to address?