Created attachment 440406 [details] /var/tmp/portage/media-gfx/inkscape-0.91-r3/temp/build.log build log: http://pastehtml.com/view/glllw1t0l.html kopftracer2011.cpp:(.text+0x820): undefined reference to `Gdk::Pixbuf::create_from_file(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' /usr/lib/gcc/x86_64-pc-linux-gnu/5.3.0/../../../../lib64/libgiomm-2.4.so: undefined reference to `g_socket_connectable_to_string' collect2: error: ld returned 1 exit status
You probably just need to rebuild dev-cpp/gtkmm after having upgraded to gcc-5.3.0.