From de073ef274d663e4c8a53556c0ea10bdc0b7b8da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Kochma=C5=84ski?= <daniel@turtleware.eu>
Date: Mon, 25 Nov 2019 15:40:28 +0100
Subject: [PATCH] sockets: recvfrom: cast sockaddr_in*  to sockaddr* explicitly

Apparently CXX compiler needs this. Steps to reproduce the issue:

    ./configure --with-cxx && make

With this fix the problem is gone.
---
 contrib/sockets/sockets.lisp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/sockets/sockets.lisp b/contrib/sockets/sockets.lisp
index 26f0a1b12..7ab881769 100755
--- a/contrib/sockets/sockets.lisp
+++ b/contrib/sockets/sockets.lisp
@@ -528,7 +528,7 @@ safe_buffer_pointer(cl_object x, cl_index size)
 
         ecl_disable_interrupts();
         len = recvfrom(#0, wincoerce(char*, safe_buffer_pointer(#1, #2)),
-                       #2, flags, &sender, &addr_len);
+                       #2, flags, (struct sockaddr *)&sender, &addr_len);
         ecl_enable_interrupts();
         if (len >= 0) {
                if (type == t_vector) { #1->vector.fillp = len; }