Created attachment 145228 [details]
The port's pkg-plist has a %%ARCH%% variable in one line that causes the port build to fail on i386 systems due to duplicated lines. The fix is to remove that with 'amd64' string. The patch is applied, and below is the build log after applying the patch:
Over to maintainer.
A commit references this bug:
Date: Fri Aug 1 20:09:54 UTC 2014
New revision: 363763
Fix plist on i386
Submitted by: robak