Created attachment 355424 [details] x11-wm:i3-4.6:20130808-163019.log Needs to include some version of float.h, I think.
Created attachment 355426 [details, diff] i3-4.6-float.patch
+ 08 Aug 2013; Kacper Kowalik <xarthisius@gentoo.org> + +files/i3-4.6-missing_include.patch, i3-4.6.ebuild: + Add missing include wrt #480272 by Jeroen Roovers <jer@gentoo.org>