app-text/xdvik-22.85-r1 fail econf process with dev-libs/kpathsea-6.2.0_p20140525, this because this version of xdvik need kpathsea-6.0.1 (see on source code). Masked app-text/xdvik-22.87.03 package pass econf process. Reference: https://forums.gentoo.org/viewtopic-t-1056216.html