On Tue, 2013-09-03 at 16:30 +0300, Kai Ruottu wrote: > What do you think the guessed '--target=<something>' to be? > 1. the same as in the '--build=x86_64-unknown-linux-gnu' ? > 2. the same as in the '--host=x86_64-builder-linux-gnu' ? In autoconf, if --build is not given then it uses config.guess to get a triplet for the current system. If --host is not given, it's set to the value used for --build. If --target is not given, it's set to the value used for --host.