Fix build for Windows/MingW64 (32bit target)

1 files changed, 6 insertions, 0 deletions

diff --git a/LibOVR/Src/Service/Service_Win32_FastIPC_Client.cpp b/LibOVR/Src/Service/Service_Win32_FastIPC_Client.cpp
index 22a0b4a..2bb1ff8 100644
--- a/LibOVR/Src/Service/Service_Win32_FastIPC_Client.cpp
+++ b/LibOVR/Src/Service/Service_Win32_FastIPC_Client.cpp
@@ -26,6 +26,12 @@ limitations under the License.
 
 #include "Service_Win32_FastIPC_Client.h"
 
+#if !defined(OVR_CC_MSVC)
+// mingw64: add definition of MemoryBarrier() and _mm_mfence() .. and the like
+#include <intrin.h>
+#include <winnt.h>
+#endif /* !defined(OVR_CC_MSVC) */
+
 namespace OVR { namespace Service { namespace Win32 {
 
 using namespace OVR::Net;