diff --git a/lemon/CMakeLists.txt b/lemon/CMakeLists.txt
--- a/lemon/CMakeLists.txt
+++ b/lemon/CMakeLists.txt
@@ -25,28 +25,28 @@
     INSTALL(FILES ${GLPK_BIN_DIR}/glpk.dll DESTINATION bin)
     INSTALL(FILES ${GLPK_BIN_DIR}/libltdl3.dll DESTINATION bin)
     INSTALL(FILES ${GLPK_BIN_DIR}/zlib1.dll DESTINATION bin)
-  ENDIF(WIN32)
-ENDIF(LEMON_HAVE_GLPK)
+  ENDIF()
+ENDIF()
 
 IF(LEMON_HAVE_CPLEX)
   SET(LEMON_SOURCES ${LEMON_SOURCES} cplex.cc)
   INCLUDE_DIRECTORIES(${CPLEX_INCLUDE_DIRS})
-ENDIF(LEMON_HAVE_CPLEX)
+ENDIF()
 
 IF(LEMON_HAVE_CLP)
   SET(LEMON_SOURCES ${LEMON_SOURCES} clp.cc)
   INCLUDE_DIRECTORIES(${COIN_INCLUDE_DIRS})
-ENDIF(LEMON_HAVE_CLP)
+ENDIF()
 
 IF(LEMON_HAVE_CBC)
   SET(LEMON_SOURCES ${LEMON_SOURCES} cbc.cc)
   INCLUDE_DIRECTORIES(${COIN_INCLUDE_DIRS})
-ENDIF(LEMON_HAVE_CBC)
+ENDIF()
 
 ADD_LIBRARY(lemon ${LEMON_SOURCES})
 IF(UNIX)
   SET_TARGET_PROPERTIES(lemon PROPERTIES OUTPUT_NAME emon)
-ENDIF(UNIX)
+ENDIF()
 
 INSTALL(
   TARGETS lemon