See attached build log.
(Please do not complain about the need for looking at the build log until you can provide an easy way to open bugs with the correct data picked out of a tinderbox log. Thanks.)
Created attachment 244927 [details]
I've fixed the LDFLAGS issue and bumped the ebuild. See ebuild and patch in bug 427414. Please test/review.
+ 31 Aug 2013; Pacho Ramos <email@example.com>
+ +files/gkrellflynn-0.8-makefile.patch, gkrellflynn-0.8.ebuild:
+ Fix gcc-4.7 building (#427414), respect LDFLAGS/CFLAGS (#334813)