On 9/14/11 9:45 AM, Adam Tkac wrote: > Hello all, > > I tried to compile new viewer (from trunk) and use bundled fltk but I > got following error: > > /usr/bin/ld: ../common/fltk/src/libfltk_static.a(Fl_Preferences.cxx.o): > undefined reference to symbol 'dlopen@@GLIBC_2.2.5' > /usr/bin/ld: note: 'dlopen@@GLIBC_2.2.5' is defined in DSO > /lib64/libdl.so.2 so try adding it to the linker command line > /lib64/libdl.so.2: could not read symbols: Invalid operation > collect2: ld returned 1 exit status > make[2]: *** [vncviewer/vncviewer] Error 1 > make[1]: *** [vncviewer/CMakeFiles/vncviewer.dir/all] Error 2 > make: *** [all] Error 2 > > Linker in new distributions doesn't allow "indirect linking" i.e. if > some symbol, dlopen in this case, is needed by binary then library which > contains the symbol must be passed as -llibrary linker argument. > > Attached patch just adds the -ldl, I don't think we need extra checking > for it in CMakeLists because it is core part of all systems, do we?
There isn't a way to remove the portion of the code containing dlopen() without making potential synchronizations with upstream FLTK more difficult, so the lesser of the two evils is linking with libdl, in my opinion. I committed your patch. ------------------------------------------------------------------------------ BlackBerry® DevCon Americas, Oct. 18-20, San Francisco, CA Learn about the latest advances in developing for the BlackBerry® mobile platform with sessions, labs & more. See new tools and technologies. Register for BlackBerry® DevCon today! http://p.sf.net/sfu/rim-devcon-copy1 _______________________________________________ Tigervnc-devel mailing list Tigervnc-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/tigervnc-devel
