Hello, 1.0.15 was released on November 19th, 2014, please update. Old 1.0.14 ebuild builds works after renaming, but needs some work: several configure options were added, while some renamed or removed.
https://phab.enlightenment.org/diffusion/ESIX/browse/master/;v1.0.15 From ChangeLog (bottom): Tue Nov 18 21:42:34 CET 2014 --- 1.0.15 --- Simplify sound configuration. Set lower limit on slide/shade speed (fix crash if speed is set to 0). Debug printout cleanups.
should be all set now in the tree; thanks for the report! Commit message: Version bump http://sources.gentoo.org/x11-wm/enlightenment/enlightenment-1.0.15.ebuild?rev=1.1