pam_python.so is not readily available on RHEL systems. Here's how to create an RPM from Russell's tar.gz:
- download pam-python.1.0.4.tar.gz to ~/rpmbuild/SOURCES
- copy/paste pam-python.spec from below in ~/rpmbuild/SPECS/
- copy/paste pam-python-1.0.4-fix-compile-rhel.patch from below in ~/rpmbuild/SOURCES
- rpmbuild -bb ~/rpmbuild/SPECS/pam-python.spec