Move version information to constants

The previous approach of preprocessor definitions was not really sound
as these are only present during the compilation of sqlitepp.  Therefore
the version information is now stored in constants within the sqlitepp
namespace.

1 files changed, 7 insertions, 15 deletions

diff --git a/include/sqlitepp/sqlitepp.h b/include/sqlitepp/sqlitepp.h
index 82f4f99..d75aa91 100644
--- a/include/sqlitepp/sqlitepp.h
+++ b/include/sqlitepp/sqlitepp.h
@@ -105,28 +105,20 @@
 /// are destroyed. You can force them to free their resources using the
 /// `close` methods.
 
-#ifndef SQLITEPP_VERSION_MAJOR
+/// \brief Contains all classes of the sqlitepp library.
+namespace sqlitepp {
+
 /// \brief The major version of sqlitepp (part x of version number x.y.z).
-#define SQLITEPP_VERSION_MAJOR 0
-#endif
+extern const unsigned int VERSION_MAJOR;
 
-#ifndef SQLITEPP_VERSION_MINOR
 /// \brief The minor version of sqlitepp (part y of version number x.y.z).
-#define SQLITEPP_VERSION_MINOR 0
-#endif
+extern const unsigned int VERSION_MINOR;
 
-#ifndef SQLITEPP_VERSION_PATCH
 /// \brief The patch version of sqlitepp (part z of version number x.y.z).
-#define SQLITEPP_VERSION_PATCH 0
-#endif
+extern const unsigned int VERSION_PATCH;
 
-#ifndef SQLITEPP_VERSION
 /// \brief The sqlitepp version in the format MAJOR.MINOR.PATCH.
-#define SQLITEPP_VERSION "0.0.0"
-#ifndef
-
-/// \brief Contains all classes of the sqlitepp library.
-namespace sqlitepp {
+extern const std::string VERSION;
 
 /// \brief A class that forbids copying and assignments for all subclasses.
 ///