Hi Lubomir, Not 100% clear on this, so anyone who has more experience please feel free to correct me. In general, as-needed means that items specified on the command line may not be linked if they are not needed for any objects preceding them in the command line. I believe this is what is happening: Case 1 (as-needed, failure): The symbol from -lGL that failed was not needed by anything preceding -lGL on the command line. Since the as-needed flag is set, g++ just moves on without linking anything. A later object on the command line do require the symbol, but by then the -lGL is no longer in play so there is nothing left to resolve the symbol with. Case 2 (as-needed, success): Because -lGL is called _after_ the .o that requires it, the symbols are correctly linked. When g++ encounters -lGL, it determines that a symbol is required by one of the preceding objects and links accordingly. Case 3 (without as-needed): Without as-needed the default behaviour is to just link everything that is on the command line, so it does not really matter where on the line -lGL is specified. Hope it helps! :) -Charley -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
