coders/png.c:1764: error: `png_ptr' undeclared (first use in this
function)
coders/png.c:1764: error: (Each undeclared identifier is reported only
once
coders/png.c:1764: error: for each function it appears in.)
make: *** [coders/coders_png_la-png.lo] Error 1
make: *** Waiting for unfinished jobs....

!!! ERROR: media-gfx/imagemagick-6.2.5.5 failed.
Call stack:
  ebuild.sh, line 1539:   Called dyn_compile
  ebuild.sh, line 939:   Called src_compile
  imagemagick-6.2.5.5.ebuild, line 86:   Called die