Created attachment 353140 [details] Build log. media-gfx/gimp-9999 causes a sandbox access violation during gnome2_src_prepare. From what I can tell, this happens because elibtoolize is trying to chmod some files (namely, install-sh and ltmain.sh in the work root).
Created attachment 353142 [details] emerge -v --info output
+ 22 Jul 2013; Sebastian Pipping <sping@gentoo.org> gimp-9999.ebuild: + Fix src_prepare sandbox violation (#476626) +