On Wed, Dec 23, 2009 at 5:44 AM, Christian Kandeler <[email protected]> wrote: > On Wednesday 23 December 2009 12:04:32 ext Chasc wrote: >> On Wed, 2009-12-23 at 10:18 +0100, Christian Kandeler wrote: >> > On Wednesday 23 December 2009 00:11:18 ext Chasc wrote: >> > > I have generated a shared library (.so file) and am trying to run an >> > > app I have developed in Qt-creator using the library but so far without >> > > success. Can anybody help me with this or perhaps direct me to the >> > > relevant documentation? My platform is linux. >> > >> > If I understand you correctly, you want to make your library be linked to >> > your application? In that case, add the following to your project (.pro) >> > file: LIBS += -L<path-to-lib> -l<lib-name> >> > (This is what it looks like for UNIX-like systems; other platforms have >> > different syntax, but also use the LIBS variable.) >> > >> > Christian >> > _______________________________________________ >> >> Done that. The app now compiles but when I run it I get: >> symbol lookup error: undefined symbol: _Z6centerP11QMainWindow >> exited with code 127. I was able to compile and run when I had included >> the source code. All I have done is replaced the source code with the >> shared library plus added the LIBS line in the project file. I am still >> using the headers for the library. > > Apparently, the dynamic linker cannot find the library. Either copy it to a > standard system directory, or add its directory to the LD_LIBRARY_PATH > variable. If you intend to exclusively run the application directly from Qt > Creator while you're developing it, you can also edit the same variable in > the project's runs settings (in the "Run Environment" part). > > Christian
For Linux you can also specify an rpath as a linker flag, which will embed a dynamic library path into the application binary. /s/ Adam _______________________________________________ Qt-creator mailing list [email protected] http://lists.trolltech.com/mailman/listinfo/qt-creator
