From 73e324cda00d62dbf52ed5b53ccabdf6feabf819 Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@ettus.com>
Date: Thu, 8 Jan 2015 00:10:48 +0100
Subject: cmake: Added a version macro for compile-time version checks

---
 host/include/uhd/CMakeLists.txt |  7 +++++-
 host/include/uhd/version.hpp    | 42 -----------------------------------
 host/include/uhd/version.hpp.in | 49 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 55 insertions(+), 43 deletions(-)
 delete mode 100644 host/include/uhd/version.hpp
 create mode 100644 host/include/uhd/version.hpp.in

(limited to 'host')

diff --git a/host/include/uhd/CMakeLists.txt b/host/include/uhd/CMakeLists.txt
index 318577b7c..f6123aa90 100644
--- a/host/include/uhd/CMakeLists.txt
+++ b/host/include/uhd/CMakeLists.txt
@@ -21,6 +21,11 @@ ADD_SUBDIRECTORY(usrp)
 ADD_SUBDIRECTORY(usrp_clock)
 ADD_SUBDIRECTORY(utils)
 
+CONFIGURE_FILE(
+    ${CMAKE_CURRENT_SOURCE_DIR}/version.hpp.in
+    ${CMAKE_CURRENT_BINARY_DIR}/version.hpp
+)
+
 UHD_INSTALL(FILES
     config.hpp
     convert.hpp
@@ -31,7 +36,7 @@ UHD_INSTALL(FILES
     property_tree.ipp
     property_tree.hpp
     stream.hpp
-    version.hpp
+    ${CMAKE_CURRENT_BINARY_DIR}/version.hpp
     DESTINATION ${INCLUDE_DIR}/uhd
     COMPONENT headers
 )
diff --git a/host/include/uhd/version.hpp b/host/include/uhd/version.hpp
deleted file mode 100644
index 998765899..000000000
--- a/host/include/uhd/version.hpp
+++ /dev/null
@@ -1,42 +0,0 @@
-//
-// Copyright 2010-2014 Ettus Research LLC
-//
-// This program 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.
-//
-// This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
-//
-
-#ifndef INCLUDED_UHD_VERSION_HPP
-#define INCLUDED_UHD_VERSION_HPP
-
-#include <uhd/config.hpp>
-#include <string>
-
-/*!
- * The ABI version string that the client application builds against.
- * Call get_abi_string() to check this against the library build.
- * The format is oldest API compatible release - ABI compat number.
- * The compatibility number allows pre-release ABI to be versioned.
- */
-#define UHD_VERSION_ABI_STRING "3.8.0-0"
-
-namespace uhd{
-
-    //! Get the version string (dotted version number + build info)
-    UHD_API std::string get_version_string(void);
-
-    //! Get the ABI compatibility string for this build of the library
-    UHD_API std::string get_abi_string(void);
-
-} //namespace uhd
-
-#endif /* INCLUDED_UHD_VERSION_HPP */
diff --git a/host/include/uhd/version.hpp.in b/host/include/uhd/version.hpp.in
new file mode 100644
index 000000000..725a655c4
--- /dev/null
+++ b/host/include/uhd/version.hpp.in
@@ -0,0 +1,49 @@
+//
+// Copyright 2010-2014 Ettus Research LLC
+//
+// This program 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.
+//
+// This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+#ifndef INCLUDED_UHD_VERSION_HPP
+#define INCLUDED_UHD_VERSION_HPP
+
+#include <uhd/config.hpp>
+#include <string>
+
+/*!
+ * The ABI version string that the client application builds against.
+ * Call get_abi_string() to check this against the library build.
+ * The format is oldest API compatible release - ABI compat number.
+ * The compatibility number allows pre-release ABI to be versioned.
+ */
+#define UHD_VERSION_ABI_STRING "3.8.0-0"
+
+/*!
+ * A macro to check UHD version at compile-time.
+ * The value of this macro is MAJOR * 10000 + MINOR * 100 + PATCH
+ * (e.g., for UHD 3.8.1 this is 30801).
+ */
+#cmakedefine UHD_VERSION @UHD_VERSION_ADDED@
+
+namespace uhd{
+
+    //! Get the version string (dotted version number + build info)
+    UHD_API std::string get_version_string(void);
+
+    //! Get the ABI compatibility string for this build of the library
+    UHD_API std::string get_abi_string(void);
+
+} //namespace uhd
+
+#endif /* INCLUDED_UHD_VERSION_HPP */
-- 
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