imagemagick-6.2.5.5 won't compile against libpng 1.2.10: it needs version 1.2.8. workaround 1: downgrade libpng to 1.2.8-r1 workaround 2: upgrade imagemagick to 6.2.8.0 version 6.2.6.0 has not beeen tested.
*** This bug has been marked as a duplicate of 136452 ***