libhx-2.6 install two directories in /usr/share/doc libhx: libHX_Documentation.pdf libhx-2.6: assorted.txt.bz2 libHX_Documentation.pdf Makefile.in.bz2 ux-file.txt.bz2 changelog.txt.bz2 Makefile.am.bz2 other.txt.bz2 ux-mmap.txt.bz2 libHX_Documentation.lyx.bz2 Makefile.bz2 repo-notes.txt.bz2 adding --docdir=/usr/share/doc/${PF} to econf fixes this for me.
thanks, fixed