Hi, Recent upstream tarball do several downloads during build. Such downloads are not wanted.
Making seperate packages is currently work in progress. Arduino-reference is such package. Do git clone https://anonscm.debian.org/git/collab-maint/arduino-reference.git to get current status. A package for serial port support is more needed because it is a build dependency. Note to myself: Don't write reports, package what needs packaging. Groeten Geert Stappers -- Leven en laten leven