In file included from /usr/include/python2.5/Python.h:8, from if_python.c:43: /usr/include/python2.5/pyconfig.h:939:1: warning: "_POSIX_C_SOURCE" redefined In file included from /usr/include/stdio.h:28, from os_unix.h:21, from vim.h:245, from if_python.c:20: /usr/include/features.h:158:1: warning: this is the location of the previous definition In file included from /usr/include/python2.5/Python.h:8, from if_python.c:43: /usr/include/python2.5/pyconfig.h:948:1: warning: "_XOPEN_SOURCE" redefined In file included from /usr/include/stdio.h:28, from os_unix.h:21, from vim.h:245, from if_python.c:20: /usr/include/features.h:160:1: warning: this is the location of the previous definition
Вобщем NOTABUG, за объяснениями в http://docs.python.org/c-api/intro.html#includes , с претензиями в апстрим.