+for ac_func in fmemopen funopen
+do :
+ as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+ cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: Checking requirements for IPv6 support..." >&5
$as_echo "$as_me: Checking requirements for IPv6 support..." >&6;}
enable_ipv6=true