boost-jam-3.1.9-r1.ebuild should advise that the bjam example code from the boost libraries is in /usr/share/boost/v2/example Reproducible: Always Steps to Reproduce: 1. 2. 3. There isn't currently much documentation for gentoo specific boost-jam installations. The example code gives a starting point from which the regalar documenation can be applied.
fixed in cvs, thanks.