build: derive version string at build-time
refs #2749
Change-Id: Id1d164ff4b1fd5c7e9440a241ab299661ed933c4
diff --git a/core/version.cpp.in b/core/version.cpp.in
new file mode 100644
index 0000000..7c44aac
--- /dev/null
+++ b/core/version.cpp.in
@@ -0,0 +1,28 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2017, Arizona Board of Regents.
+ *
+ * This file is part of ndn-tools (Named Data Networking Essential Tools).
+ * See AUTHORS.md for complete list of ndn-tools authors and contributors.
+ *
+ * ndn-tools is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-tools is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * ndn-tools, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "core/version.hpp"
+
+namespace ndn {
+namespace tools {
+
+const char VERSION[] = "@VERSION_BUILD@";
+
+} // namespace tools
+} // namespace ndn