Your following packages in the repository suffer from broken dependencies:
====================================================================== The results in this summary consider Test Updates! ======================================================================
package: mingw32-libpng-1.2.37-3.el6.noarch from fedora-epel-6-ppc64 unresolved deps: mingw32(msvcrt.dll) mingw32(zlib1.dll) mingw32(kernel32.dll) mingw32-filesystem >= 0:63 mingw32-runtime