Am 06.08.2013 um 17:20 schrieb Marc Feeley <feeley@iro.umontreal.ca>:

You should also check out the Gambit dumping grounds for a "pure Gambit" set of SRFIs:

http://dynamo.iro.umontreal.ca/wiki/index.php/Dumping_Grounds#SRFI

Downloading and putting Srfi1.scm into my sources directory worked.

However, I feel that this is not the most elegant solution.