$OpenBSD: patch-ui_gfx_BUILD_gn,v 1.2 2018/09/12 17:08:22 robert Exp $

Index: ui/gfx/BUILD.gn
--- ui/gfx/BUILD.gn.orig
+++ ui/gfx/BUILD.gn
@@ -572,7 +572,7 @@ source_set("memory_buffer_sources") {
     deps += [ "//third_party/libdrm" ]
   }
 
-  if (is_linux || is_android) {
+  if ((is_linux || is_android) && !is_openbsd) {
     deps += [ "//third_party/libsync" ]
   }
 
