Disable U_ENABLE_DYLOAD in icu*gyp

icu_nacl.gyp

 # Copyright 2013 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.
 
 {
   'includes': [
     'icu.gypi',
     '../../native_client/build/untrusted.gypi',
   ],
   'target_defaults': {
     'direct_dependent_settings': {
       'defines': [
         # Tell ICU to not insert |using namespace icu;| into its headers,
         # so that chrome's source explicitly has to use |icu::|.
         'U_USING_ICU_NAMESPACE=0',
+        # We don't use ICU plugins and dyload is only necessary for them.
+        # NaCl-related builds also fail looking for dlfcn.h when it's enabled.
+        'U_ENABLE_DYLOAD=0',
       ],
     },
     'defines': [
       'U_USING_ICU_NAMESPACE=0',
       'U_STATIC_IMPLEMENTATION',
     ],
     'include_dirs': [
       'source/common',
       'source/i18n',
     ],
@@ skipping 73 matching lines @@
         'include_dirs': [
           'source/common',
         ],
         'defines': [
           'U_STATIC_IMPLEMENTATION',
         ],
       },
     },
   ],
 }