diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,6 +9,15 @@
 
 INCLUDE(FindDoxygen)
 INCLUDE(FindGhostscript)
+FIND_PACKAGE(GLPK 4.33)
+
+ADD_DEFINITIONS(-DHAVE_CONFIG_H)
+
+IF(GLPK_FOUND)
+  SET(HAVE_LP TRUE)
+  SET(HAVE_MIP TRUE)
+  SET(HAVE_GLPK TRUE)
+ENDIF(GLPK_FOUND)
 
 ENABLE_TESTING()