Fix shared library build after r17692.

build/all.gyp

 # Copyright 2011 the V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'targets': [
     {
       'target_name': 'All',
       'type': 'none',
       'dependencies': [
         '../samples/samples.gyp:*',
         '../src/d8.gyp:d8',
-        '../tools/lexer-shell.gyp:lexer-shell',
         '../test/cctest/cctest.gyp:*',
       ],
+      'conditions': [
+        ['component!="shared_library"', {
+          'dependencies': [
+            '../tools/lexer-shell.gyp:lexer-shell',
+          ],
+        }],
+      ]
     }
   ]
 }