improve xcode_emulation.py

test/mac/deployment-target/deployment-target.gyp

Index: test/mac/deployment-target/deployment-target.gyp
diff --git a/test/mac/deployment-target/deployment-target.gyp b/test/mac/deployment-target/deployment-target.gyp
new file mode 100644
index 0000000000000000000000000000000000000000..47e0565c0c7d625a8a6b6f3d4edfb9d4f5df63d5
--- /dev/null
+++ b/test/mac/deployment-target/deployment-target.gyp
@@ -0,0 +1,28 @@
+# Copyright (c) 2013 Google Inc. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+{
+  'targets': [
+    {
+      'target_name': 'macosx-version-min-10.5',
+      'type': 'executable',
+      'sources': [ 'check-version-min.c', ],
+      'defines': [ 'GYPTEST_MAC_VERSION_MIN=1050', ],
+      'xcode_settings': {
+        'SDKROOT': 'macosx',
+        'MACOSX_DEPLOYMENT_TARGET': '10.5',
+      },
+    },
+    {
+      'target_name': 'macosx-version-min-10.6',
+      'type': 'executable',
+      'sources': [ 'check-version-min.c', ],
+      'defines': [ 'GYPTEST_MAC_VERSION_MIN=1060', ],
+      'xcode_settings': {
+        'SDKROOT': 'macosx',
+        'MACOSX_DEPLOYMENT_TARGET': '10.6',
+      },
+    },
+  ],
+}
+