diff -Nuar a/third_party/libdrm/src/xf86drm.h b/third_party/libdrm/src/xf86drm.h
--- a/third_party/libdrm/src/xf86drm.h	2018-09-12 11:32:38.000000000 +0300
+++ b/third_party/libdrm/src/xf86drm.h	2018-09-12 13:53:15.815152841 +0300
@@ -35,6 +35,7 @@
 #define _XF86DRM_H_
 
 #include <stdarg.h>
+#include <sys/sysmacros.h>
 #include <sys/types.h>
 #include <stdint.h>
 #include <drm.h>