x86 JNI compiler and unit tests.

Change-Id: I4c2e10328961a2e8e27c90777fe2a93737b21143
diff --git a/src/constants.h b/src/constants.h
new file mode 100644
index 0000000..22a4043
--- /dev/null
+++ b/src/constants.h
@@ -0,0 +1,12 @@
+// Copyright 2011 Google Inc. All Rights Reserved.
+
+#ifndef ART_SRC_CONSTANTS_H_
+#define ART_SRC_CONSTANTS_H_
+
+#if defined(__i386__)
+#include "src/constants_x86.h"
+#elif defined(__arm__)
+#include "src/constants_arm.h"
+#endif
+
+#endif  // ART_SRC_CONSTANTS_H_