--- third_party/fontconfig/BUILD.gn.orig	2017-01-26 00:49:29 UTC
+++ third_party/fontconfig/BUILD.gn
@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-assert(is_linux)
+assert(is_linux || is_bsd)
 
 config("fontconfig_config") {
   include_dirs = [ "src" ]