ports/www/iridium/files/patch-ui_gfx_BUILD.gn

--- ui/gfx/BUILD.gn.orig	2019-03-11 22:01:19 UTC
+++ ui/gfx/BUILD.gn
@@ -532,7 +532,7 @@ jumbo_source_set("memory_buffer_sources") {
     deps += [ "//build/config/linux/libdrm" ]
   }
 
-  if (is_linux || is_android) {
+  if ((is_linux || is_android) && !is_bsd) {
     deps += [ "//third_party/libsync" ]
   }