- libserialport >= 0.1.1 (optional, used by some drivers)
- librevisa >= 0.0.20130412 (optional, used by some drivers)
- libusb-1.0 >= 1.0.16 (optional, used by some drivers)
- - libftdi >= 0.16 or libftdi1 >= 1.0 (optional, used by some drivers)
+ - libftdi1 >= 1.0 (optional, used by some drivers)
- libgpib (optional, used by some drivers)
- libieee1284 (optional, used by some drivers)
- check >= 0.9.4 (optional, only needed to run unit tests)