I have verified that this package works for ppc64. Please add the ~ppc64 KEYWORDS to media-gfx/imagemagick-5.5.7.15. my USE Flag is "gtk2 altivec ppc64 -gnome cjk jpeg gif png tiff truetype".
Created attachment 34585 [details, diff] patch for imagemagick ebuild This package fail compile, with -O[2-9] CFLAGS. This patch solves this problem.
pulls in app-text/dgs and ouch the ICE that comes out the imagemagick build look quite nasty.
and media-libs/libwmf media-libs/jbigkit media-video/mpeg2vidcodec Thanks Yuta!
stick a fork in it