The usual "libtool.m4 and ltmain.m4 mismatch". Fixed adding libtoolize --copy --force in the ebuild. Reproducible: Always Steps to Reproduce: 1. 2. 3.
Created attachment 51902 [details] This is the fixed ebuild
In CVS. Thanks for the report. For your future reference, please include the version of the afflicted ebuild, and attach unified diff output (diff -u) instead of a whole ebuild.