[mythtv-users] Why can't loader find this library? It's there.

David Haertig davidhaertig at earthlink.net
Tue Jan 3 03:43:07 UTC 2006


Tried adding /usr/share/qt3/lib to /etc/ld.so.conf
and then ran ldconfig.  No improvement.

And yes, I know it's called a "linker" and not
a "loader".  It's hell getting old and watching
your brain turn to mush and start to do stupid
things!

;-)

Still looking for some help on the linker error.
My knowledge is a little rusty on how these libraries
are located.  I *thought* I knew, but obviously not!

Thanks.

David Haertig wrote:
> Getting an error during make (loader can't find qt-mt):
> 
>> g++ -shared -Wl,-soname,libmythavcodec-0.18.1.so.0 -o 
>> libmythavcodec-0.18.1.so.0.18.1 ...
>> ... -L/usr/share/qt3/lib -L/usr/X11R6/lib -lqt-mt ...
> 
> 
>> /usr/bin/ld: cannot find -lqt-mt
> 
> 
> But given the command includes "-L /usr/share/qt3/lib"
> and tries to load the qt library with "-lqt-mt" ...
> 
> ... then it should be able to find /usr/share/qt3/lib/libqt-mt.s0...
> if that file is there.
> 
> It is (see below).  It's a symlink up to the actual file in /usr/lib.
> So why the loader error?  I'm confused.
> 
>> # cd /usr/share/qt3/lib
>> # pwd
>> /usr/share/qt3/lib
>> # ls -l *qt-mt*
>> lrwxrwxrwx 1 root root 30 2005-12-30 11:02 libqt-mt.so.3 -> 
>> ../../../lib/libqt-mt.so.3.3.5
>> lrwxrwxrwx 1 root root 30 2005-12-30 11:02 libqt-mt.so.3.3 -> 
>> ../../../lib/libqt-mt.so.3.3.5
>> # ls -l ../../../lib/*qt-mt*
>> lrwxrwxrwx 1 root root      17 2005-12-30 11:02 
>> ../../../lib/libqt-mt.so.3 -> libqt-mt.so.3.3.5
>> lrwxrwxrwx 1 root root      17 2005-12-30 11:02 
>> ../../../lib/libqt-mt.so.3.3 -> libqt-mt.so.3.3.5
>> -rw-r--r-- 1 root root 8242800 2005-12-01 13:49 
>> ../../../lib/libqt-mt.so.3.3.5
>> #
> 
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