From 9384d59e8c8c9244b6cc957de370360f8a66c93e Mon Sep 17 00:00:00 2001
From: gpotter2 <10530980+gpotter2@users.noreply.github.com>
Date: Mon, 23 Dec 2024 15:59:54 +0100
Subject: [PATCH] Fix HAVE_AF_VSOCK_H always being 0

- linux/vm_sockets.h cannot be included without sys/socket.h
- linux <5.11 is missing some fields (like sockaddr_vm.svm_flags and
  VMADDR_FLAG_TO_HOST)
---
 libfreerdp/core/CMakeLists.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libfreerdp/core/CMakeLists.txt b/libfreerdp/core/CMakeLists.txt
index 40935eded..0c1fc8f08 100644
--- a/libfreerdp/core/CMakeLists.txt
+++ b/libfreerdp/core/CMakeLists.txt
@@ -18,7 +18,8 @@
 set(MODULE_NAME "freerdp-core")
 set(MODULE_PREFIX "FREERDP_CORE")
 
-check_include_files("ctype.h;linux/vm_sockets.h" HAVE_AF_VSOCK_H)
+# We use some fields that are only defined in linux 5.11+
+check_symbol_exists(VMADDR_FLAG_TO_HOST "ctype.h;sys/socket.h;linux/vm_sockets.h" HAVE_AF_VSOCK_H)
 
 freerdp_definition_add(EXT_PATH="${FREERDP_EXTENSION_PATH}")