--- /dev/null
+#ifndef ob__version_h
+#define ob__version_h
+
+#define OB_MAJOR_VERSION @OB_MAJOR_VERSION@
+#define OB_MINOR_VERSION @OB_MINOR_VERSION@
+#define OB_MICRO_VERSION @OB_MICRO_VERSION@
+#define OB_VERSION OB_MAJOR_VERSION.OB_MINOR_VERSION.OB_MICRO_VERSION
+
+#define OB_CHECK_VERSION(major,minor,micro) \
+ (OB_MAJOR_VERSION > (major) || \
+ (OB_MAJOR_VERSION == (major) && OB_MINOR_VERSION > (minor)) || \
+ (OB_MAJOR_VERSION == (major) && OB_MINOR_VERSION == (minor) && \
+ OB_MICRO_VERSION >= (micro)))
+
+#endif