From d8d6b08aa349b3b5773a90d6049e149128ec7f8e Mon Sep 17 00:00:00 2001
From: Pavel Roskin <plroskin@gmail.com>
Date: Tue, 17 Jan 2017 09:05:45 -0800
Subject: [PATCH] Update m4/ax_type_socklen_t.m4, it works with -Wall now

---
 m4/ax_type_socklen_t.m4 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/m4/ax_type_socklen_t.m4 b/m4/ax_type_socklen_t.m4
index 834c4cfa..593e669a 100644
--- a/m4/ax_type_socklen_t.m4
+++ b/m4/ax_type_socklen_t.m4
@@ -42,7 +42,7 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 5
+#serial 6
 
 AU_ALIAS([TYPE_SOCKLEN_T], [AX_TYPE_SOCKLEN_T])
 AC_DEFUN([AX_TYPE_SOCKLEN_T],
@@ -51,7 +51,7 @@ AC_DEFUN([AX_TYPE_SOCKLEN_T],
   AC_TRY_COMPILE(
   [#include <sys/types.h>
    #include <sys/socket.h>],
-  [socklen_t len = 42; return 0;],
+  [socklen_t len = (socklen_t) 42; return (!len);],
   ac_cv_ax_type_socklen_t=yes,
   ac_cv_ax_type_socklen_t=no)
 ])