cleanup Debug.h a bit
diff --git a/include/utils/Debug.h b/include/utils/Debug.h
index a662b9c..21d04bd 100644
--- a/include/utils/Debug.h
+++ b/include/utils/Debug.h
@@ -14,10 +14,6 @@
  * limitations under the License.
  */
 
-//
-// Debugging tools.  These should be able to be stripped
-// in release builds.
-//
 #ifndef ANDROID_DEBUG_H
 #define ANDROID_DEBUG_H
 
@@ -25,9 +21,30 @@
 #include <sys/types.h>
 
 namespace android {
+// ---------------------------------------------------------------------------
 
+#ifdef __cplusplus
 template<bool> struct CompileTimeAssert;
 template<> struct CompileTimeAssert<true> {};
+#define COMPILE_TIME_ASSERT(_exp) \
+    template class CompileTimeAssert< (_exp) >;
+#endif
+
+// ---------------------------------------------------------------------------
+
+#ifdef __cplusplus
+template<bool C, typename LSH, typename RHS> struct CompileTimeIfElse;
+template<typename LHS, typename RHS> 
+struct CompileTimeIfElse<true,  LHS, RHS> { typedef LHS TYPE; };
+template<typename LHS, typename RHS> 
+struct CompileTimeIfElse<false, LHS, RHS> { typedef RHS TYPE; };
+#endif
+
+// ---------------------------------------------------------------------------
+
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 const char* stringForIndent(int32_t indentLevel);
 
@@ -35,11 +52,17 @@
 
 void printTypeCode(uint32_t typeCode,
     debugPrintFunc func = 0, void* cookie = 0);
+
 void printHexData(int32_t indent, const void *buf, size_t length,
     size_t bytesPerLine=16, int32_t singleLineBytesCutoff=16,
     size_t alignment=0, bool cArrayStyle=false,
     debugPrintFunc func = 0, void* cookie = 0);
 
+#ifdef __cplusplus
+}
+#endif
+
+// ---------------------------------------------------------------------------
 }; // namespace android
 
 #endif // ANDROID_DEBUG_H