diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,6 +14,8 @@
 INCLUDE(FindDoxygen)
 INCLUDE(FindGhostscript)
 FIND_PACKAGE(GLPK 4.33)
+FIND_PACKAGE(CPLEX)
+FIND_PACKAGE(COIN)
 
 ADD_DEFINITIONS(-DHAVE_CONFIG_H)
 
@@ -26,12 +28,6 @@
 # C4996: 'function': was declared deprecated
 ENDIF(MSVC)
 
-IF(GLPK_FOUND)
-  SET(HAVE_LP TRUE)
-  SET(HAVE_MIP TRUE)
-  SET(HAVE_GLPK TRUE)
-ENDIF(GLPK_FOUND)
-
 INCLUDE(CheckTypeSize)
 CHECK_TYPE_SIZE("long long" LONG_LONG)