copied from https://fedorahosted.org/389/ticket/48047
liblfds is basically public domain, so we can just include its source code, and build it and link it as part of nunc-stans, rather than having to be separate.
commit 683f72aee658c01b6d4db2a3d62af78792ed8281 Author: Mark Reynolds mreynolds@redhat.com Date: Tue Mar 3 16:46:33 2015 -0500