Non-SFI Mode: Build ipc/ library by PNaCl toolchain for nacl_helper_nonsfi.

ipc/ipc_nacl.gyp

 # Copyright 2014 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': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/common_untrusted.gypi',
     'ipc.gypi',
   ],
   'conditions': [
     ['disable_nacl==0 and disable_nacl_untrusted==0', {
       'targets': [
         {
           'target_name': 'ipc_nacl',
           'type': 'none',
           'variables': {
             'ipc_target': 1,
             'nacl_untrusted_build': 1,
             'nlib_target': 'libipc_nacl.a',
             'build_glibc': 0,
             'build_newlib': 0,
             'build_irt': 1,
           },
           'dependencies': [
-            '<(DEPTH)/native_client/tools.gyp:prep_toolchain',
             '../base/base_nacl.gyp:base_nacl',
+            '../native_client/tools.gyp:prep_toolchain',
+          ],
+        },
+        {
+          'target_name': 'ipc_nacl_nonsfi',
+          'type': 'none',
+          'variables': {
+            'ipc_target': 1,
+            'nacl_untrusted_build': 1,
+            'nlib_target': 'libipc_nacl_nonsfi.a',
+            'build_glibc': 0,
+            'build_newlib': 0,
+            'build_irt': 0,
+            'build_pnacl_newlib': 0,
+            'build_nonsfi_helper': 1,
+
+            # Use linux IPC channel implementation for nacl_helper_nonsfi,
+            # instead of NaCl's IPC implementation (ipc_channel_nacl.cc),
+            # because nacl_helper_nonsfi will be running directly on Linux.
+            # ipc_channel_nacl.cc is excluded below.
+            'sources': [
+              'ipc_channel.cc',
+              'ipc_channel_posix.cc',
+            ],
+          },
+          'sources!': [
+            'ipc_channel_nacl.cc',
+          ],
+          'dependencies': [
+            '../base/base_nacl.gyp:base_nacl_nonsfi',
+            '../native_client/tools.gyp:prep_toolchain',
           ],
         },
       ],
     }],
   ],
 }