[sr-dev] app_python compilation warnings fix

[Konstantin M.]

Hello dev team,

I'm trying to compile app_python under kamailio 3.3.2 and gcc (Debian
4.7.2-4) 4.7.2 and I'm getting a bunch of warnings like:
CC (gcc) [M app_python.so]              python_exec.o
CC (gcc) [M app_python.so]              python_iface.o
In file included from /usr/include/python2.7/Python.h:8:0,
                 from python_iface.c:28:
/usr/include/python2.7/pyconfig.h:1161:0: warning: "_POSIX_C_SOURCE"
redefined [enabled by default]
In file included from /usr/include/i386-linux-gnu/sys/types.h:26:0,
                 from ../../route_struct.h:45,
                 from ../../action.h:42,
                 from python_iface.c:23:
/usr/include/features.h:214:0: note: this is the location of the previous
definition
CC (gcc) [M app_python.so]              python_mod.o
In file included from /usr/include/python2.7/Python.h:8:0,
                 from python_iface.h:26,
                 from python_mod.c:27:
/usr/include/python2.7/pyconfig.h:1161:0: warning: "_POSIX_C_SOURCE"
redefined [enabled by default]
In file included from /usr/include/dlfcn.h:23:0,
                 from ../../sr_module.h:60,
                 from python_mod.c:24:
/usr/include/features.h:214:0: note: this is the location of the previous
definition

...


According to the Python documentation (
http://docs.python.org/c-api/intro.html#includes), the include directive
for “Python.h” should appear first in the C/C++ file.
It doesn’t sound like a good idea to require this, but if you don’t put
“Python.h” first, you might get compiler warnings like I mentioned above.

I've made a diff (against kamailio-3.3.2) for fixing that.
See attached.
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