this is an ebuild for the cvs-version of fluxbox. i dropped the gcc-3.4 patch, compiles fine here :-)
Created attachment 31917 [details] Ebuild
http://dev.gentoo.org/~ciaranm/overlay/x11-wm/fluxbox-cvs/ That's been there for ages, should do the job. We don't generally put -cvs ebuilds in the tree.