Use configure to check for inet_aton.

Modules/socketmodule.c

@@ -2713,7 +2713,7 @@ socket_inet_aton(PyObject *self, PyObject *args)
 
 	/* Have to use inet_addr() instead */
 	char *ip_addr;
-#if 1
+#if HAVE_INET_ATON
 	struct in_addr buf;
 
 	if (!PyArg_ParseTuple(args, "s:inet_aton", &ip_addr)) {

configure

 #! /bin/sh
-# From configure.in Revision: 1.386 .
+# From configure.in Revision: 1.387 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.53 for python 2.3.
 #
@@ -12092,13 +12092,14 @@ echo "${ECHO_T}MACHDEP_OBJS" >&6
 
 
 
+
 
 
 for ac_func in alarm chown clock confstr ctermid execv \
  fchdir flock fork fsync fdatasync fpathconf ftime ftruncate \
  gai_strerror getgroups getlogin getloadavg getpeername getpgid getpid \
  getpriority getpwent getwd \
- hstrerror inet_pton kill killpg lchown lstat mkfifo mknod mktime \
+ hstrerror inet_aton inet_pton kill killpg lchown lstat mkfifo mknod mktime \
  mremap nice pathconf pause plock poll pthread_init \
  putenv readlink \
  select setegid seteuid setgid \

configure.in

@@ -1841,7 +1841,7 @@ AC_CHECK_FUNCS(alarm chown clock confstr ctermid execv \
  fchdir flock fork fsync fdatasync fpathconf ftime ftruncate \
  gai_strerror getgroups getlogin getloadavg getpeername getpgid getpid \
  getpriority getpwent getwd \
- hstrerror inet_pton kill killpg lchown lstat mkfifo mknod mktime \
+ hstrerror inet_aton inet_pton kill killpg lchown lstat mkfifo mknod mktime \
  mremap nice pathconf pause plock poll pthread_init \
  putenv readlink \
  select setegid seteuid setgid \

pyconfig.h.in

@@ -207,6 +207,9 @@
 /* Define to 1 if you have the `hypot' function. */
 #undef HAVE_HYPOT
 
+/* Define to 1 if you have the `inet_aton' function. */
+#undef HAVE_INET_ATON
+
 /* Define to 1 if you have the `inet_pton' function. */
 #undef HAVE_INET_PTON