Install libgarmin-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libgarmin-dev
Description:
Garmin image format library (development files)
libgarmin is a library to parse Garmin IMG files as used by the Garmin GPS devices. . This package includes development support files.
Homepage: http://libgarmin.sourceforge.net/
Version: 0~svn320-6
Section: universe/libdevel