To help beginner Wii developers i have compiled the latest available libogc 1.7.1 library. I have added to this library libfat 1.0.2 and libsnd 1.0. Please click on the below link to download this library.
Update on 06-02-2010. I removed the download link. Now libogc 1.8.1 with integrated sound module is available. So there is not need anymore for this download!