===>  License GPLv2 accepted by the user
===>   6tunnel-0.11.r2.20130525 depends on file: /usr/local/sbin/pkg - found
===> Fetching all distfiles required by 6tunnel-0.11.r2.20130525 for building
===>  Extracting for 6tunnel-0.11.r2.20130525
=> SHA256 Checksum OK for wojtekka-6tunnel-0.11rc2.20130525-2d33461_GH0.tar.gz.
===>  Patching for 6tunnel-0.11.r2.20130525
===>   6tunnel-0.11.r2.20130525 depends on file: /usr/local/bin/autoconf-2.69 - found
===>  Configuring for 6tunnel-0.11.r2.20130525
*** Error code 1

Stop.
make: stopped in /6tunnel-0cipiertest-port
1