diff -r 1552352f9798 -r 5de6a70446f6 lemon/lp.h
--- a/lemon/lp.h	Wed Jul 09 14:40:32 2014 +0200
+++ b/lemon/lp.h	Wed Jul 09 14:41:36 2014 +0200
@@ -22,15 +22,19 @@
 #include<lemon/config.h>
 
 
-#ifdef LEMON_HAVE_GLPK
+#if LEMON_DEFAULT_LP == _LEMON_GLPK || LEMON_DEFAULT_MIP == _LEMON_GLPK
 #include <lemon/glpk.h>
-#elif LEMON_HAVE_CPLEX
+#endif
+#if LEMON_DEFAULT_LP == _LEMON_CPLEX || LEMON_DEFAULT_MIP == _LEMON_CPLEX 
 #include <lemon/cplex.h>
-#elif LEMON_HAVE_SOPLEX
+#endif
+#if LEMON_DEFAULT_LP == _LEMON_SOPLEX
 #include <lemon/soplex.h>
-#elif LEMON_HAVE_CLP
+#endif
+#if LEMON_DEFAULT_LP == _LEMON_CLP
 #include <lemon/clp.h>
-#elif LEMON_HAVE_CBC
+#endif
+#if LEMON_DEFAULT_MIP == _LEMON_CBC
 #include <lemon/cbc.h>
 #endif