[cairo] ./waf configure bug?

[Jeff Blaine]

py2cairo-1.10.0:rcf-monitor # ./waf configure
    ./options()
Setting top to                           : 
/rcf-monitor/graphite/src/py2cairo-1.10.0
Setting out to                           : 
/rcf-monitor/graphite/src/py2cairo-1.10.0/build_directory
    ./configure()
Checking for 'gcc' (c compiler)          : ok
Checking for program python              : /graphite/bin/python
Checking for python version              : (2, 7, 2, 'final', 0)
Checking for library python2.7           : not found
Checking for library python2.7           : yes
Checking for program python2.7-config    : /graphite/bin/python2.7-config
Checking for header Python.h             : Could not find the python 
development headers
The configuration failed
(complete log in 
/rcf-monitor/graphite/src/py2cairo-1.10.0/build_directory/config.log)

py2cairo-1.10.0:rcf-monitor # ./waf configure --prefix=/graphite 
--includedir=/graphite/include/python2.7

[ Same result ]

py2cairo-1.10.0:rcf-monitor # /graphite/bin/python2.7-config --includes
-I/graphite/include/python2.7 -I/graphite/include/python2.7
py2cairo-1.10.0:rcf-monitor # ls /graphite/include/python2.7/Python.h
/graphite/include/python2.7/Python.h
py2cairo-1.10.0:rcf-monitor #