app-text/poppler/files contains the following files that are not used by any of the poppler ebuilds: poppler-0.12.3-cairo-downscale.patch poppler-0.12.3-cmake-disable-tests.patch poppler-0.12.3-darwin-gtk-link.patch poppler-0.12.3-fix-headers-installation.patch poppler-0.12.3-gdk.patch poppler-0.12.3-preserve-cflags.patch poppler-0.12.4-config.patch poppler-0.12.4-nanosleep-rt.patch poppler-0.12.4-strings_h.patch poppler-0.12.4-xopen_source.patch Please remove them. (That's all of the files in $FILESDIR, by the way.)
ouch. fixed.