As per summary, check attached build log.
And _please_ try not to fix it in the wrong way: http://blog.flameeyes.eu/2009/07/02/how-_not_-to-fix-gcc-4-4-bugs
Created attachment 196830 [details]
k3dsdk/gzstream.cpp likely needs #include <cstdio>
(In reply to comment #2)
> k3dsdk/gzstream.cpp likely needs #include <cstdio>
That was only part of it,
+ 06 Jul 2009; Samuli Suominen <firstname.lastname@example.org>
+ k3d-0.7.11.0-r1.ebuild, +files/k3d-0.7.11.0-gcc44.patch:
+ Fix building with GCC 4.4 and BOOST by applying a Fedora patch wrt
+ #276660, thanks to Diego E. Pettenò for reporting.