From c4b52c34d4a7ecca6c992ba2f7f09607997d8ead Mon Sep 17 00:00:00 2001
From: Jonathan Lennox <jonathan.lennox@8x8.com>
Date: Wed, 17 Apr 2024 15:09:05 -0400
Subject: [PATCH] Fix detection of sockaddr_conn.sconn_len when srcdir !=
 objdir. (#701)

---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index 537655201..55f00991f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -179,9 +179,12 @@ AC_CHECK_MEMBER(struct sockaddr_in6.sin6_len,
                  #endif
                  #include <netinet/in.h>])
 
+x_save_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -I$srcdir"
 AC_CHECK_MEMBER(struct sockaddr_conn.sconn_len,
                 AC_DEFINE(HAVE_SCONN_LEN, 1, [Define this if your userland stack has sconn_len in sockaddr_conn struct.]),,
                 [#include "usrsctplib/usrsctp.h"])
+CFLAGS="$x_save_CFLAGS"
 
 AC_MSG_CHECKING(for socklen_t)
 AC_TRY_COMPILE([#ifdef HAVE_SYS_TYPES_H