Add nacl_sdk gyp meta-target.

src/shared/imc/imc.gyp

 # -*- python -*-
 # Copyright (c) 2012 The Native Client 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': {
     'COMMAND_TESTER': '<(DEPTH)/native_client/tools/command_tester.py',
     'common_sources': [
@@ skipping 61 matching lines @@
   ],
   'conditions': [
     ['target_arch!="arm"', {
       'targets': [
         # NOTE: we do not support untrusted gyp build on arm yet.
         {
           'target_name': 'imc_lib',
           'type': 'none',
           'variables': {
             'nlib_target': 'libimc.a',
+            'nso_target': 'libimc.so',
             'build_glibc': 1,
-            'build_newlib': 0,
+            'build_newlib': 1,
             'sources': ['nacl_imc_c.cc', 'nacl_imc_common.cc', 'nacl/nacl_imc.cc'],
           },
           'dependencies': [
             '<(DEPTH)/native_client/tools.gyp:prep_toolchain',
           ],
         },
       ],
     }],
     ['OS=="win"', {
       'targets': [
@@ skipping 24 matching lines @@
             '<(DEPTH)/native_client/src/shared/gio/gio.gyp:gio64',
           ],
         },
       ],
     }],
   ],
 }
 
 # TODO: some tests missing, c.f. build.scons