From 6decef6046da91a878a6da691137aca730406d4f Mon Sep 17 00:00:00 2001
From: Keith Gable <keith@ziggythehamster.sh>
Date: Sun, 24 Sep 2023 12:52:11 -0700
Subject: [PATCH] Change vsock to actually check for AF_HYPERV

---
 configure.ac | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index 696b065890..414ce3b92e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -409,10 +409,8 @@ then
   enable_vsock=yes
   if test "x$freebsd" = "xyes"
   then
-    # unconditionally define XRDP_ENABLE_VSOCK because there are no headers
-    # to check for. AF_HYPERV is present in FreeBSD 13 and may be present in
-    # earlier versions.
-    AC_DEFINE([XRDP_ENABLE_VSOCK], 1, [Enable AF_HYPERV])
+    # Determine if we have AF_HYPERV defined (FreeBSD 13+)
+    AC_CHECK_DECL([AF_HYPERV], [AC_DEFINE([XRDP_ENABLE_VSOCK], 1, [Enable AF_HYPERV])], [], [#include <sys/socket.h>])
   else
     AC_CHECK_HEADERS([linux/socket.h linux/vm_sockets.h],
                     [AC_DEFINE([XRDP_ENABLE_VSOCK], 1, [Enable AF_VSOCK])],