To compile: make Or if you're using GTK 2.2: make -f Makefile_GTK_2_2 ... and ignore the GtkColorButton warnings etc. Viking needs documentation! Any volunteers? After I get some core features down I'll start on documentation. I promise. To export as GPSMapper, the track/waypoint name should be in the format of: Name RGN## 0x#### or Name RGN## 0x##