linux: build a fake libxul and libxpcom

webkit/webkit.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': {
     'feature_defines': [
       'ENABLE_CHANNEL_MESSAGING=1',
       'ENABLE_DATABASE=1',
       'ENABLE_DATAGRID=0',
@@ skipping 1553 matching lines @@
             'glue/devtools/js/tests.js',
 
             '<@(webinspector_files)',
 
             '../v8/tools/codemap.js',
             '../v8/tools/consarray.js',
             '../v8/tools/csvparser.js',
             '../v8/tools/logreader.js',
             '../v8/tools/profile.js',
             '../v8/tools/profile_view.js',
-            '../v8/tools/splaytree.js',            
+            '../v8/tools/splaytree.js',
           ],
         },
         {
           'destination': '<(PRODUCT_DIR)/resources/inspector/Images',
           'files': [
 
             '<@(webinspector_image_files)',
 
           ],
         },
       ],
     },
-  ],
+  ], # targets
+  'conditions': [
+    ['OS=="linux"', {
+      # See the comments in libxul_hack.cc for a description of why these
+      # libraries exist.
+      'targets': [
+        {
+          # We want to build exactly "libxul.so".
+          'target_name': 'xul',
+          'product_dir': '<(PRODUCT_DIR)',
+          'type': 'loadable_module',
+          'sources': [
+            'tools/libxul_hack/libxul_hack.cc'
+          ],
+        },
+        {
+          # We want to build exactly "libxpcom.so".
+          'target_name': 'xpcom',
+          'product_dir': '<(PRODUCT_DIR)',
+          'type': 'loadable_module',
+          'sources': [
+            'tools/libxul_hack/libxul_hack.cc'
+          ],
+        },
+      ], # targets
+    }],
+  ], # conditions
 }