Push native libraries separately when gyp manages install

build/android/gyp/create_device_library_links.py

Index: build/android/gyp/create_device_library_links.py
diff --git a/build/android/gyp/create_device_library_links.py b/build/android/gyp/create_device_library_links.py
new file mode 100755
index 0000000000000000000000000000000000000000..f569f4b906519b70a2f4726d3ffc9c5b01881634
--- /dev/null
+++ b/build/android/gyp/create_device_library_links.py
@@ -0,0 +1,72 @@
+#!/usr/bin/env python
+#
+# 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.
+
+"""Creates symlinks to native libraries for an APK.
+
+The native libraries should have previously been pushed to the device (in
+options.target_dir). This script then creates links in an apk's lib/ folder to
+those native libraries.
+"""
+
+import json
+import optparse
+import os
+import sys
+
+BUILD_ANDROID_DIR = os.path.join(os.path.dirname(__file__), '..')
+sys.path.append(BUILD_ANDROID_DIR)
+
+from pylib import android_commands
+from pylib import build_utils
+from pylib.utils import apk_helper
+
+
+def CreateLinks(options):
+  libraries = build_utils.ReadJson(options.libraries_json)
+  apk_package = apk_helper.GetPackageName(options.apk)
+
+  # There is a large (~100ms) overhead for each call to adb.RunShellCommand. To
+  # avoid this overhead, craft a single command that creates all the links.
+  link = '/data/data/' + apk_package + '/lib/$f'
+  target = options.target_dir + '/$f'
+  names = ' '.join(libraries)
+  cmd = (
+      'for f in ' + names + '; do \n' +
+        'rm ' + link + ' > /dev/null 2>&1 \n' +
+        'ln -s ' + target + ' ' + link + '\n' +
+      'done'
+      )
+
+  adb = android_commands.AndroidCommands()
+  result = adb.RunShellCommand(cmd)
+
+  if result:
+    raise Exception(
+        'Unexpected output creating links on device.\n' +
+        '\n'.join(result))
+
+
+def main(argv):
+  parser = optparse.OptionParser()
+  parser.add_option('--apk', help='Path to the apk.')
+  parser.add_option('--libraries-json',
+      help='Path to the json list of native libraries.')
+  parser.add_option('--target-dir',
+      help='Device directory that contains the target libraries for symlinks.')
+  parser.add_option('--stamp', help='Path to touch on success.')
+  options, _ = parser.parse_args()
+
+  required_options = ['apk', 'libraries_json', 'target_dir']
+  build_utils.CheckOptions(options, parser, required=required_options)
+
+  CreateLinks(options)
+
+  if options.stamp:
+    build_utils.Touch(options.stamp)
+
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv))