diff --git a/LCS/CMakeLists.txt b/LCS/CMakeLists.txt
index 34d18c42fb41116cd1096dae595283e594673c6c..1d5a1afc4d0477b0e6efa95c12afe9d07a84c8c1 100644
--- a/LCS/CMakeLists.txt
+++ b/LCS/CMakeLists.txt
@@ -1,10 +1,9 @@
-
 ## ------------------------------------------------------------------------------
 ## Project characteristics
 
 project (LCS)
 
-cmake_minimum_required (VERSION 2.5)
+cmake_minimum_required (VERSION 2.6)
 
 ##-------------------------------------------------------------------------------
 ## Options
@@ -14,8 +13,8 @@ option (LCS_BUILD_TESTS "Build test programs?" FALSE)
 ## ------------------------------------------------------------------------------
 ## Set CMAKE_MODULE_PATH to load custom CMake modules
 
-if (NOT USG_ROOT)
-find_path (USG_ROOT cmake/CMakeSettings.cmake
+if (NOT LOFAR_ROOT)
+find_path (LOFAR_ROOT cmake/modules/CMakeSettings.cmake
   PATHS 
   ${LCS_SOURCE_DIR}
   ${LCS_SOURCE_DIR}/..
@@ -24,21 +23,12 @@ find_path (USG_ROOT cmake/CMakeSettings.cmake
   $ENV{LOFARSOFT}
   )
 
-if (USG_ROOT)
-  include (${USG_ROOT}/cmake/CMakeSettings.cmake)
-else (USG_ROOT)
+if (LOFAR_ROOT)
+  include (${LOFAR_ROOT}/cmake/CMakeSettings.cmake)
+else (LOFAR_ROOT)
   message (FATAL_ERROR "Unable to locate additional CMake scripts!")
-endif (USG_ROOT)
-endif (NOT USG_ROOT)
-
-## ------------------------------------------------------------------------------
-## Commonly used configuration files
-
-set (LCS_config ${LCS_BINARY_DIR}/lofar_config.h)
-
-file (WRITE ${LCS_config} "/* lofar_config.h --  Generated by CMake. */\n\n")
-
-include_directories (${LCS_BINARY_DIR})
+endif (LOFAR_ROOT)
+endif (NOT LOFAR_ROOT)
 
 ## ------------------------------------------------------------------------------
 ## Additional CMake modules
@@ -56,88 +46,80 @@ enable_testing()
 ## ------------------------------------------------------------------------------
 ## Check system libraries
 
-check_include_files (sys/socket.h  HAVE_SYS_SOCKET_H )
-check_include_files (sys/types.h   HAVE_SYS_TYPES_H  )
-check_include_files (unistd.h      HAVE_UNISTD_H     )
-check_include_files (stdarg.h      HAVE_STDARG_H     )
-check_include_files (time.h        HAVE_TIME_H       )
-check_include_files (stdio.h       HAVE_STDIO_H      )
-check_include_files (netinet/in.h  HAVE_NETINET_IN_H )
-
-if (HAVE_SYS_TYPES_H)
-  check_type_size ("uint" HAVE_UINT)
-  if (HAVE_UINT)
-    add_definitions (-DHAVE_UINT)
-  endif (HAVE_UINT)
-  ##
-  check_type_size ("long" HAVE_LONG)
-  if (HAVE_LONG)
-    add_definitions (-DHAVE_LONG)
-  endif (HAVE_LONG)
-  ##
-  check_type_size ("long long" HAVE_LONGLONG)
-  if (HAVE_LONGLONG)
-    add_definitions (-DHAVE_LONGLONG)
-  endif (HAVE_LONGLONG)
-  ##
-  check_type_size ("ushort" HAVE_USHORT)
-  if (HAVE_USHORT)
-    add_definitions (-DHAVE_USHORT)
-  endif (HAVE_USHORT)
-else (HAVE_SYS_TYPES_H)
-  message (STATUS "Unable to find sys/types.h")
-endif (HAVE_SYS_TYPES_H)
-
 ## ------------------------------------------------------------------------------
 ## Search for external libraries
 
-## Boost++
+## ------------------------------------------------------------------------------
+## Check for required tools
 
-include (${USG_ROOT}/cmake/FindBoost.cmake)
+## ------------------------------------------------------------------------------
+## Module header files
 
-if (BOOST_INCLUDES)
-  include_directories (${BOOST_INCLUDES})
-  add_definitions (-DHAVE_BOOST)
-endif (BOOST_INCLUDES)
 
-## casacore
+## ------------------------------------------------------------------------------
+## Directories to be included in the build
 
-include (${USG_ROOT}/cmake/FindCASACORE.cmake)
+## --- Tools ----------------------------------------
 
-if (CASACORE_INCLUDES)
-  include_directories (${CASACORE_INCLUDES})
-  add_definitions (-DHAVE_AIPSPP)
-endif (CASACORE_INCLUDES)
+find_path (HAVE_TOOLS CMakeLists.txt ${LOFAR_SOURCE_DIR}/LCS/Tools)
+if (HAVE_TOOLS)
+  set (HAVE_TOOLS TRUE CACHE BOOL "Have package Tools?" FORCE)
+  add_subdirectory (Tools)
+endif (HAVE_TOOLS)  
 
-## ------------------------------------------------------------------------------
-## Check for required tools
+## --- Common ---------------------------------------
 
-find_program ( bison_bin bison )
-find_program ( flex_bin  flex  )
-find_program ( yacc_bin  yacc  )
+find_path (HAVE_COMMON CMakeLists.txt ${LOFAR_SOURCE_DIR}/LCS/Common)
+if (HAVE_COMMON)
+  set (HAVE_COMMON TRUE CACHE BOOL "Have package Common?" FORCE)
+  add_subdirectory (Common)
+endif (HAVE_COMMON)  
 
-## ------------------------------------------------------------------------------
-## Module header files
+## --- ACC ------------------------------------------
 
-include_directories (
-  ${LCS_SOURCE_DIR}/Blob/include
-  ${LCS_SOURCE_DIR}/Common/include
-  ${LCS_SOURCE_DIR}/ACC/ALC/include
-  ${LCS_SOURCE_DIR}/ACC/APS/include
-  ${LCS_SOURCE_DIR}/ACC/PLC/include
-  ${LCS_SOURCE_DIR}/AMC/AMCBase/include
-  ${LCS_SOURCE_DIR}/AMC/AMCImpl/include
-  ${LCS_SOURCE_DIR}/Transport/include
-  )
+find_path (HAVE_ACC CMakeLists.txt ${LOFAR_SOURCE_DIR}/LCS/ACC)
+if (HAVE_ACC)
+  set (HAVE_ACC TRUE CACHE BOOL "Have package ACC?" FORCE)
+  add_subdirectory (ACC)
+endif (HAVE_ACC)  
 
-## ------------------------------------------------------------------------------
-## Directories to be included in the build
+## --- AMC ------------------------------------------
+
+find_path (HAVE_AMC CMakeLists.txt ${LOFAR_SOURCE_DIR}/LCS/AMC)
+if (HAVE_AMC)
+  set (HAVE_AMC TRUE CACHE BOOL "Have package AMC?" FORCE)
+  add_subdirectory (AMC)
+endif (HAVE_AMC)  
+
+## --- BLOB -----------------------------------------
+
+find_path (HAVE_BLOB CMakeLists.txt ${LOFAR_SOURCE_DIR}/LCS/Blob)
+if (HAVE_BLOB)
+  set (HAVE_BLOB TRUE CACHE BOOL "Have package Blob?" FORCE)
+  add_subdirectory (Blob)
+endif (HAVE_BLOB)  
+
+## --- TRANSPORT ------------------------------------
+
+find_path (HAVE_TRANSPORT CMakeLists.txt ${LOFAR_SOURCE_DIR}/LCS/Transport)
+if (HAVE_TRANSPORT)
+  set (HAVE_TRANSPORT TRUE CACHE BOOL "Have package Transport?" FORCE)
+  add_subdirectory (Transport)
+endif (HAVE_TRANSPORT)  
+
+## --- STREAM ---------------------------------------
+
+find_path (HAVE_STREAM CMakeLists.txt ${LOFAR_SOURCE_DIR}/LCS/Stream)
+if (HAVE_STREAM)
+  set (HAVE_STREAM TRUE CACHE BOOL "Have package Stream?" FORCE)
+  add_subdirectory (Stream)
+endif (HAVE_STREAM)  
+
+## --- APPLCOMMON -----------------------------------
+
+find_path (HAVE_APPLCOMMON CMakeLists.txt ${LOFAR_SOURCE_DIR}/LCS/ApplCommon)
+if (HAVE_APPLCOMMON)
+  set (HAVE_APPLCOMMON TRUE CACHE BOOL "Have package ApplCommon?" FORCE)
+  add_subdirectory (ApplCommon)
+endif (HAVE_APPLCOMMON)  
 
-add_subdirectory (ACC)
-add_subdirectory (AMC)
-add_subdirectory (Blob)
-add_subdirectory (Common)
-#add_subdirectory (LACE)
-#add_subdirectory (Math)
-add_subdirectory (Tools)
-add_subdirectory (Transport)