From: jmj@energokod.gda.pl   
      
   W dniu 10.01.2026 o 13:45, Farley Flud pisze:   
   > There is software called "MeshLab:"   
   >   
   >    
   >   
   > I don't want to build it so I downloaded a pre-built tarball.   
   >   
   > The pre-built package contains many libraries that are already   
   > installed on my system, but the program cannot use my system libraries.   
   > They will result in errors:   
   >   
   > meshlab: symbol lookup error: meshlab: undefined symbol: _ZdlPvm, version   
   Qt_5   
   >   
   > Thus, I need to use the specific libraries that are distributed   
   > with the pre-built tarball.   
   >   
   > How can I use these libraries to run MeshLab without removing or   
   > overwriting the ones that are already on my system?   
   >   
   > If you know GNU/Linux then you will know the answer.   
   >   
   > If you don't know the answer then you do not belong on this   
   > group.  GTFO.   
   >   
   > Bring forth the answers!   
      
   RTFM: https://man7.org/linux/man-pages/man8/ld.so.8.html hint:   
   LD_LIBRARY_PATH   
      
   Short answer for you:   
   1. Open console where you have meshlab and  Qt *.so lib files;   
   2. Run:   
   $ export LD_LIBRARY_PATH="$PWD:$LD_LIBRARY_PATH" && ./meshlab   
      
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