diff --git a/lemon/CMakeLists.txt b/lemon/CMakeLists.txt
--- a/lemon/CMakeLists.txt
+++ b/lemon/CMakeLists.txt
@@ -33,6 +33,16 @@
   INCLUDE_DIRECTORIES(${CPLEX_INCLUDE_DIRS})
 ENDIF(HAVE_CPLEX)
 
+IF(HAVE_CLP)
+  SET(LEMON_SOURCES ${LEMON_SOURCES} clp.cc)
+  INCLUDE_DIRECTORIES(${COIN_INCLUDE_DIRS})
+ENDIF(HAVE_CLP)
+
+IF(HAVE_CBC)
+  SET(LEMON_SOURCES ${LEMON_SOURCES} cbc.cc)
+  INCLUDE_DIRECTORIES(${COIN_INCLUDE_DIRS})
+ENDIF(HAVE_CBC)
+
 ADD_LIBRARY(lemon ${LEMON_SOURCES})
 
 INSTALL(