"""
In file included from /usr/include/python2.3/Python.h:8,
                 from script.h:21,
                 from server.cpp:23:
/usr/include/python2.3/pyconfig.h:847:1: warning:
"_POSIX_C_SOURCE" redefined
In file included from
/usr/lib/gcc/i386-redhat-linux/3.4.0/../../../../include/c++/3.4.0/i386-redhat-linux/bits/os_defines.h:39,
                 from
/usr/lib/gcc/i386-redhat-linux/3.4.0/../../../../include/c++/3.4.0/i386-redhat-linux/bits/c++config.h:35,
                 from
/usr/lib/gcc/i386-redhat-linux/3.4.0/../../../../include/c++/3.4.0/iostream:44,
                 from server.cpp:18:
/usr/include/features.h:131:1: warning: this is the
location of the previous definition
""'

The above message is shown whenever program (extending
or embedding python with C/C++) using Python.h was
compilled.

OS: Fedora Core 2
compiller: GCC 3.4.0
libc: glibc-2.3
Python: 2.3.3