From 4e884615d1702914c1ec4c182f94eb9b8efc7a16 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 26 Mar 2018 16:01:07 +0200
Subject: configure: detect sa_family_t

---
 configure.ac | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/configure.ac b/configure.ac
index 798fa5f1e..d1c1a8f93 100755
--- a/configure.ac
+++ b/configure.ac
@@ -3492,6 +3492,26 @@ AC_CHECK_TYPE([bool],[
 #endif
 ])
 
+# check for sa_family_t
+AC_CHECK_TYPE(sa_family_t,
+   AC_DEFINE(CURL_SA_FAMILY_T, sa_family_t, [IP address type in sockaddr]),
+   [
+   # The windows name?
+   AC_CHECK_TYPE(ADDRESS_FAMILY,
+     AC_DEFINE(CURL_SA_FAMILY_T, ADDRESS_FAMILY, [IP address type in sockaddr]),
+     AC_DEFINE(CURL_SA_FAMILY_T, unsigned short, [IP address type in sockaddr]),
+    [
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+    ])
+   ],
+[
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+])
+
 AC_MSG_CHECKING([if time_t is unsigned])
 AC_RUN_IFELSE([
   AC_LANG_SOURCE([[
-- 
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