Re: [Discuss-gnuradio] Building gnuradio on cygwin - wxPython issue

[Jan Schiefer]

On 7/3/2010 6:13 AM, Don Ward wrote:
> Jan Schiefer wrote:
>
> > I should know better, but I am nonetheless trying to build gnuradio on
> > Windows XP/cygwin.  I did follow the instructions on the wiki (including
> > picking the exact versions), but I am getting stuck on building 
> > wxPython.
> > When I try to do the
> > python setup.py install WXPORT=msw COMPILER=cygwin BUILD_GLCANVAS=0
> > BUILD_GIZMOS=0 UNICODE=0
> > step, I get the following error:
> >
> > function
> > Traceback (most recent call last):
> >   File "setup.py", line 1034, in <module>
> >     **other_kw
> >   File "/usr/lib/python2.6/distutils/core.py", line 152, in setup
> >     dist.run_commands()
> >   File "/usr/lib/python2.6/distutils/dist.py", line 975, in run_commands
> >     self.run_command(cmd)
> ...
> >   File "/usr/lib/python2.6/distutils/ccompiler.py", line 769, in
> > link_shared_object
> >     extra_preargs, extra_postargs, build_temp, target_lang)
> >   File "/usr/lib/python2.6/distutils/cygwinccompiler.py", line 189, 
> > in link
> >     libraries.extend(self.dll_libraries)
> > TypeError: 'NoneType' object is not iterable
> >
> > The offending line 189 is a rather nondescript
> > libraries.extend(self.dll_libraries)
> >
> > Has anybody who is more pythonic than me seen this before? My cygwin
> > version is current as of last Wednesday, and the python version is 2.6.5
> > (no other python installations on the machine).
>
> My latest test install of Cygwin and GNU Radio (May 2010) used python 
> 2.5.5. You could try going back to that version.  I will try to look 
> at it over the weekend and see if I can make it work with 2.6.5.
>
> While I try to keep GNU Radio running under Cygwin, every update to a 
> Cygwin package or third-party library (such as wxPython) carries a 
> significant risk of breakage.  For "production" use of GNU Radio on 
> Windows, I prefer to use MinGW and MSYS.  The initial setup takes a 
> little longer, but once you have a working system there is seldom a 
> need to update anything but GNU Radio.
>
> -- Don W.

Thanks Don, this is good advice, I have been hit by cygwin 
update-related breakages for other applications as well. I will try the 
MinGW/MSYS route instead and report back.

Jan