uhd: add calls to query an ABI compat string

2 files changed, 20 insertions, 2 deletions

diff --git a/host/include/uhd/version.hpp b/host/include/uhd/version.hpp
index 19d672e65..ee0c4fe43 100644
--- a/host/include/uhd/version.hpp
+++ b/host/include/uhd/version.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2010 Ettus Research LLC
+// Copyright 2010-2012 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
@@ -21,8 +21,22 @@
 #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 ABI compatible release - ABI compat number.
+ * The compatibility number allows pre-release ABI to be versioned.
+ */
+#define UHD_VERSION_ABI_STRING "3.4.0-0"
+
 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/lib/version.cpp b/host/lib/version.cpp
index 42880b3c3..2b7125e55 100644
--- a/host/lib/version.cpp
+++ b/host/lib/version.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2010-2011 Ettus Research LLC
+// Copyright 2010-2012 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
@@ -35,3 +35,7 @@ UHD_STATIC_BLOCK(print_system_info){
 std::string uhd::get_version_string(void){
     return "@UHD_VERSION@";
 }
+
+std::string uhd::get_abi_string(void){
+    return UHD_VERSION_ABI_STRING;
+}