Build dynamic iOS SDK.

webrtc/sdk/sdk.gypi

+# Copyright 2016 The WebRTC 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 in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+{
+  'target_defaults': {
+    'configurations': {
+      'Profile': {
+        'xcode_settings': {
+          'DEBUG_INFORMARTION_FORMAT': 'dwarf-with-dsym',
+          # We manually strip using strip -S and strip -x. We need to run
+          # dsymutil ourselves so we need symbols around before that.
+          'DEPLOYMENT_POSTPROCESSING': 'NO',
+          'GCC_OPTIMIZATION_LEVEL': 's',
+          'GCC_SYMBOLS_PRIVATE_EXTERN': 'YES',
+          'STRIP_INSTALLED_PRODUCT': 'NO',
+          'USE_HEADERMAP': 'YES',
+        },
+      },
+    },
+  },
+}