--- mesa-18.1.3/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_winsys.h.old	2018-06-29 17:47:29.000000000 +0000
+++ mesa-18.1.3/src/amd/vulkan/winsys/amdgpu/radv_amdgpu_winsys.h	2018-07-09 02:13:04.590000000 +0000
@@ -28,6 +28,7 @@
 #ifndef RADV_AMDGPU_WINSYS_H
 #define RADV_AMDGPU_WINSYS_H
 
+#include <pthread.h>
 #include "radv_radeon_winsys.h"
 #include "ac_gpu_info.h"
 #include "addrlib/addrinterface.h"