Issue #7523: Add SOCK_CLOEXEC and SOCK_NONBLOCK to the socket module,
where supported by the system.  Patch by Nikita Vetoshkin.
diff --git a/configure b/configure
index 9299296..4a5890a 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 85349 .
+# From configure.in Revision: 85422 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.65 for python 3.2.
 #
@@ -9302,7 +9302,7 @@
 $as_echo "MACHDEP_OBJS" >&6; }
 
 # checks for library functions
-for ac_func in alarm setitimer getitimer bind_textdomain_codeset chown \
+for ac_func in alarm accept4 setitimer getitimer bind_textdomain_codeset chown \
  clock confstr ctermid execv fchmod fchown fork fpathconf ftime ftruncate \
  gai_strerror getgroups getlogin getloadavg getpeername getpgid getpid \
  getpriority getresuid getresgid getpwent getspnam getspent getsid getwd \