> I made "ldd " on both machines. On the one (wich i compiled the app > with) i got for libpng > "libpng.so.3" and on the other machine i got "libpng.so.2" (??!!). May > someone explain to me why > this happens? It depends which libpng-dev package you have installed. There are packages libpng2-dev and libpng3-dev which will make your app link against libpng2 and libpng3 respectively. You cannot have both -dev packages installed at the same time because they provide some of the same files (such as the /usr/lib/libpng.so symlink and /usr/include/png.h). Ben. -- Ben Burton benb@acm.org | bab@debian.org Public Key: finger bab@db.debian.org Democracy means simply the bludgeoning of the people by the people for the people. - Oscar Wilde >> Visit http://mail.kde.org/mailman/listinfo/kde-devel#unsub to unsubscribe <<