In target libraries: make and install libcompat before all other libraries.  This fixes the make -DCLOBBER world problem.
In target libraries: make and install libcompat before all other
libraries.  This fixes the make -DCLOBBER world problem.

Check that gnu exists before attempting to build the libraries in
that branch of the tree.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase