Patch #1003700: Add socketpair function to socket module.
diff --git a/configure.in b/configure.in
index f73d1ce..fbd436b 100644
--- a/configure.in
+++ b/configure.in
@@ -2468,6 +2468,17 @@
])
AC_MSG_RESULT($works)
+# check for socketpair
+AC_MSG_CHECKING(for socketpair)
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <sys/socket.h>
+], void *x=socketpair,
+ AC_DEFINE(HAVE_SOCKETPAIR, 1, Define if you have the 'socketpair' function.)
+ AC_MSG_RESULT(yes),
+ AC_MSG_RESULT(no)
+)
+
# check if sockaddr has sa_len member
AC_MSG_CHECKING(if sockaddr has sa_len member)
AC_TRY_COMPILE([#include <sys/types.h>