Separate version macros to its own header

src/catch2/catch.hpp

@@ -9,9 +9,7 @@
 #ifndef TWOBLUECUBES_CATCH_HPP_INCLUDED
 #define TWOBLUECUBES_CATCH_HPP_INCLUDED
 
-#define CATCH_VERSION_MAJOR 2
-#define CATCH_VERSION_MINOR 10
-#define CATCH_VERSION_PATCH 2
+#include <catch2/catch_version_macros.hpp>
 
 #ifdef __clang__
 #    pragma clang system_header

src/catch2/catch_version_macros.hpp

@@ -0,0 +1,13 @@
+/*
+ *  Distributed under the Boost Software License, Version 1.0. (See accompanying
+ *  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ */
+
+#ifndef TWOBLUECUBES_CATCH_VERSION_MACROS_HPP_INCLUDED
+#define TWOBLUECUBES_CATCH_VERSION_MACROS_HPP_INCLUDED
+
+#define CATCH_VERSION_MAJOR 2
+#define CATCH_VERSION_MINOR 10
+#define CATCH_VERSION_PATCH 2
+
+#endif // TWOBLUECUBES_CATCH_VERSION_MACROS_HPP_INCLUDED