[mythtv] Problems compileing latest svn

[Nigel Pearson]

> I'm no programmer, though the only thing I can think of is I have the 
> wrong
> version of QT (which BTW is 3.3.5) and hence qmap.h, which doesn't 
> have the
> function or something to go on.
...
> main.o(.text+0xff2): In function `main':
> /usr/lib/qt3/include/qmap.h:133: undefined reference to 
> `MythContext::OverrideSettingForSession(QString const&, QString 
> const&)'
> collect2: ld returned 1 exit status
> make[2]: *** [mythtv] Error 1
> make[2]: Leaving directory 
> `/home/mythtv/packages/BUILD/mythtv-0.20/programs/mythtv'
> make[1]: *** [sub-mythtv] Error 2
> make[1]: Leaving directory 
> `/home/mythtv/packages/BUILD/mythtv-0.20/programs'

	I think this is caused by different versions of the source
code compiled at different times - the signature of MythContext
doesn't match what was compiled into a library or template.

	Usually a "make clean" in the top directory is the fix.


	The QMap thing is a bit of a red herring. It is just a
container for another class, the MythContext method mentioned.

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