- zsh
- 7z
- mkgmap OR wine
- gmt linux version OR wine
you can obtain mkgmap with your package manager or from http://www.mkgmap.org.uk/snapshots/
gmt linux version can be downloaded from http://www.anpo.republika.pl/download.html
sudo apt-get install zsh 7z wget http://www.anpo.republika.pl/files/lgmt07158.zip unzip lgmt07158.zip gmt sudo mv gmt /usr/local/bin/
also, get newest mkgmap from http://www.mkgmap.org.uk/snapshots/ and install (aka copy) it to e.g. /usr/local/share/mkgmap/
emerge zsh p7zip mkgmap wget http://www.anpo.republika.pl/files/lgmt07158.zip unzip lgmt07158.zip gmt sudo mv gmt /usr/local/bin/