[root@SinCity psycopg-1.1.2]# ./configure --with-postgres-includes=/usr/include/postgresql/ --with-postgres-libraries=/usr/lib/postgresql/
loading cache ./config.cache
checking for python... /usr/bin/python
checking python version... 2.4
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/python2.4/site-packages
checking location of python shared modules... $(exec_prefix)/lib/python2.4/site-packages
checking for gcc... gcc -pthread
checking whether the C compiler (gcc -pthread   ) works... yes
checking whether the C compiler (gcc -pthread   ) is a cross-compiler... no
checking whether we are using GNU C... yes
checking whether gcc -pthread accepts -g... yes
checking how to run the C preprocessor... gcc -pthread -E
checking whether make sets ${MAKE}... yes
checking for inline... inline
checking PostgreSQL version... configure: error: missing PostgreSQL headers