[Qt-interest] Setting library path before running?

[william.crocker at analog.com]

Gabriel M. Beddingfield wrote:
> 
> On Tue, 23 Mar 2010, Anatoly Burakov wrote:
> 
>> I have an app with plugins. They all end up in appropriate directories
>> (via DESTDIR), everything works fine, except one thing. On Windows,
>> whenever the library is in the same folder - it gets loaded fine, that
>> is, i am able to launch my program right from QT Creator. On Linux,
>> however, everything works fine except i can't launch the program without
>> resorting to manually launching it from command-line (env
>> LD_LIBRARY_PATH=/path/to/my/dir). Are there any ways around this without
>> setting permanent environment variable in rc files?
> 
> Check out 'man ld.so'.  Basically, you can either set 
> LD_LIBRARY_PATH, or...
> 
> * put your .so files in /usr/lib or /usr/local/lib.
>    Run ldconfig after install.
> 
> * put your .so files somewhere else and put the
>    path in ld.so.conf.  Run ldconfig.
> 
> * load your shared libraries via dlopen... but
>    you probably don't want to do this. :-)
>


We run our apps through a wrapper script which sets
LD_LIBRARY_PATH first.


> HTH,
> Gabriel
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