Clean up gyp settings for libjpeg

third_party/libjpeg/libjpeg.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_posix == 1 and OS != "mac"', {
-        # Link to system .so since we already use it due to GTK.
-        'use_system_libjpeg%': 1,
-      }, {  # os_posix != 1 or OS == "mac"
-        'use_system_libjpeg%': 0,
-      }],
-    ],
-  },
+  # This file handles building both with our local libjpeg and with the system
+  # libjpeg.
   'conditions': [
     ['use_system_libjpeg==0', {
       'targets': [
         {
           'target_name': 'libjpeg',
           'type': 'static_library',
           'sources': [
             'jcapimin.c',
             'jcapistd.c',
             'jccoefct.c',
@@ skipping 61 matching lines @@
       ],
     }, {
       'targets': [
         {
           'target_name': 'libjpeg',
           'type': 'none',
           'direct_dependent_settings': {
             'defines': [
               'USE_SYSTEM_LIBJPEG',
             ],
+            'conditions': [
+              ['os_bsd==1', {
+                'include_dirs': [
+                  '/usr/local/include',
+                ],
+              }],
+            ],
           },
           'link_settings': {
             'libraries': [
               '-ljpeg',
             ],
           },
         }
       ],
     }],
   ],
 }