It can leads to conflicts since some parts of pristine upstream tree have
been removed in our upstream branch. These removed parts are listed below:
+* navit/android*
+ - unused android port.
* navit/fonts/*:
- ttf-liberation is in Debian
* navit/map/poi_geodownload/libmdb/*:
- embedded glib; not used.
* navit/support/libc/*:
- setenv, getenv. No copyright statement; not used.
+* navit/support/libpng
+ - embedded libpng; not used.
* navit/support/zlib/*:
- embedded zlib; not used.
* navit/support/wordexp/*:
- not used.
+* navit/support/Makefile.am
+ - unused makefile
* navit/script/*:
* navit/tools/*:
- not needed/used