Hi, Am Freitag, 24. August 2012, 15:39:56 schrieb Marc Glisse: > Depending on what exactly you can change, you may be interested in > -fvisibility (or #pragma gcc visibility), or linker maps/scripts. That was exactly what I needed. I just had to adapt the tutorial at http://gcc.gnu.org/wiki/Visibility a little to my CMake config and now it does exactly what it is supposed to ;). Thanks a lot! Regards Philipp Schmidt