First cut for a FreeBSD port - much still not working

third_party/libxslt/libxslt.gyp

 # Copyright (c) 2009 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'conditions': [
-      ['OS=="linux"', {'os_include': 'linux'}],
+      ['OS=="linux" or OS=="freebsd"', {'os_include': 'linux'}],
       ['OS=="mac"', {'os_include': 'mac'}],
       ['OS=="win"', {'os_include': 'win32'}],
     ],
     'use_system_libxslt%': 0,
   },
   'includes': [
     '../../build/common.gypi',
   ],
   'targets': [
     {
@@ skipping 84 matching lines @@
             ],
           },
           'conditions': [
             ['OS!="win"', {'product_name': 'xslt'}],
           ],
         }],
       ],
     },
   ],
 }