diff --git a/lemon/config.h.cmake b/lemon/config.h.cmake
--- a/lemon/config.h.cmake
+++ b/lemon/config.h.cmake
@@ -1,1 +1,8 @@
+#define LEMON_VERSION "@PROJECT_VERSION@"
 #cmakedefine LEMON_HAVE_LONG_LONG 1
+#cmakedefine LEMON_HAVE_LP 1
+#cmakedefine LEMON_HAVE_MIP 1
+#cmakedefine LEMON_HAVE_GLPK 1
+#cmakedefine LEMON_HAVE_CPLEX 1
+#cmakedefine LEMON_HAVE_CLP 1
+#cmakedefine LEMON_HAVE_CBC 1