I'm on a suse 6.4 system, with postgresql installed. I've got the latest zope installed from tarball.. and I get this problem trying to install PoPy ./autogen.sh --with-postgres-libraries=/usr/lib/pgsql/lib --with-postgres-includes=/usr/lib/pgsql/include loading cache ./config.cache checking for python... /usr/bin/python checking python version... 1.5 checking python installation prefix... /usr checking python installation exec_prefix... /usr checking definitions in Python library makefile... done checking location of python library... $(prefix)/lib/python1.5/site-packages checking location of python shared modules... $(exec_prefix)/lib/python1.5/site-packages checking for PQconnectStart in -lpq... no configure: error: can't build without PostgreSQL libraries Now type 'make' to compile PoPy python module.