Here is a patch to force linking of libflatzebra against SDL_{image,mixer}, so that recent binutils and -Wl,--as-needed doesn't complain when it is used. This patch allowed compilation of games-arcade/burgerspace for me (binutils-2.16.92).
Created attachment 85873 [details, diff] files/flatzebra-0.1.1-link-more-libs.patch
Created attachment 85874 [details, diff] flatzebra-0.1.1-ebuild.patch patch for the ebuild
in portage. thanks for the bug report and patch.
you sent this fix upstream right ?
I emailed upstream pointing to this bug report. No reply yet.