diff -r cb2891afe526 -r 998e8def9676 src/demo/lp_demo.cc
--- a/src/demo/lp_demo.cc	Fri Apr 22 16:20:12 2005 +0000
+++ b/src/demo/lp_demo.cc	Fri Apr 22 17:47:01 2005 +0000
@@ -1,14 +1,27 @@
 #include <iostream>
+
+
+#ifdef HAVE_GLPK
 #include <lemon/lp_glpk.h>
+#elif HAVE_CPLEX
+#include <lemon/lp_cplex.h>
+#endif
+
 using namespace lemon;
 
+#ifdef HAVE_GLPK
+typedef LpGlpk LpDefault;
+#elif HAVE_CPLEX
+typedef LpCplex LpDefault;
+#endif
+
 int main()
 {     
  //The following example is taken from the documentation of the GLPK library.
  //See it in the GLPK reference manual and among the GLPK sample files (sample.c)
-  LpGlpk lp;
-  typedef LpGlpk::Row Row;
-  typedef LpGlpk::Col Col;
+  LpDefault lp;
+  typedef LpDefault::Row Row;
+  typedef LpDefault::Col Col;
 
   lp.max();