contiki-os/contiki — pull request #227 by g-oikonomou (2013-05-17 23:06:21+00:00)
Title: Undo the change that made IPv6 the default

#178 (2d50a40) has changed the default from IPv4 to IPv6.

This change has introduced various build problems to various platforms and it was not intentional in the first place: (http://thread.gmane.org/gmane.os.contiki.devel/18010)

This commit reverts the default back to IPv4