build: Add build system
Change-Id: I073a9213d13c50451be5938e4e15c4a41a1166aa
diff --git a/src/version.hpp.in b/src/version.hpp.in
new file mode 100644
index 0000000..90b68e1
--- /dev/null
+++ b/src/version.hpp.in
@@ -0,0 +1,70 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California.
+ *
+ * This file is part of NDNS (Named Data Networking Domain Name Service).
+ * See AUTHORS.md for complete list of NDNS authors and contributors.
+ *
+ * NDNS 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.
+ *
+ * NDNS 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
+ * NDNS, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NDNS_VERSION_HPP
+#define NDNS_VERSION_HPP
+
+namespace ndn {
+namespace ndns {
+
+/** NDNS version follows Semantic Versioning 2.0.0 specification
+ * http://semver.org/
+ */
+
+// To change version number, modify VERSION variable in top-level wscript.
+
+/** \brief NDNS version represented as an integer
+ *
+ * MAJOR*1000000 + MINOR*1000 + PATCH
+ */
+#define NDNS_VERSION @VERSION@
+
+/** \brief NDNS version represented as a string
+ *
+ * MAJOR.MINOR.PATCH
+ */
+#define NDNS_VERSION_STRING "@VERSION_STRING@"
+
+/** \brief NDNS version string, including git commit information, if NDNS is build from
+ * specific git commit
+ *
+ * NDNS_VERSION_BUILD_STRING is obtained using the following command (`NDNS-` prefix is
+ * afterwards removed):
+ *
+ * `git describe --match 'ndns-*'`
+ *
+ * When NDNS is built not from git, NDNS_VERSION_BUILD_STRING equals NDNS_VERSION_STRING
+ *
+ * MAJOR.MINOR.PATCH(-release-candidate-tag)(-(number-of-commits-since-tag)-COMMIT-HASH)
+ *
+ * Example, 0.1.0-rc1-1-g5c86570
+ */
+#define NDNS_VERSION_BUILD_STRING "@VERSION_BUILD@"
+
+/// MAJOR version
+#define NDNS_VERSION_MAJOR @VERSION_MAJOR@
+/// MINOR version
+#define NDNS_VERSION_MINOR @VERSION_MINOR@
+/// PATCH version
+#define NDNS_VERSION_PATCH @VERSION_PATCH@
+
+} // namespace ndns
+} // namespace ndn
+
+#endif // NDNS_VERSION_HPP