A patch to fix many CFLAGS="-pedantic" warnings.
Created attachment 82827 [details, diff] util-linux-2.12r-pedantic.patch
Created attachment 82828 [details] util-linux-2.12r-r4.ebuild
unless i missed something, those hunks only fix up warnings ... it doesnt actually affect any of the generated code ... if that's the case, you should really patch one of the util-linux 2.13 pre versions and send it upstream ...