The v1.1 release of mjson has been wrapped in a ./configure script via autoconf/automake/libtool to create a library called libmjson.so (shared or static). Included are pkg-config support, and an RPM spec file.
To create this tarball, do this:
To create an RPM from this tarball, do this:
rpmbuild -ta mjson-1.1.tar.bz2
For those unfamiliar with autoconf, the key files to be edited are configure.ac and Makefile.am. Most other files are auto-generated, and are not generally meant to be edited by hand.
The COPYING file is accurate (it contains the LGPL), but the AUTHORS, NEWS and README files need to be filled in.