COMP: OTB_INCLUDE_DIRS_SYSTEM is an unused variable

CMake/otbGenerateOTBConfig.cmake

@@ -33,7 +33,6 @@ SET(OTB_CMAKEMODULE_DIRS_CONFIG ${OTB_SOURCE_DIR}/CMake)
 SET(OTB_INCLUDE_DIRS_CONFIG
   ${OTB_INCLUDE_DIRS_BUILD_TREE}
   ${OTB_INCLUDE_DIRS_BUILD_TREE_CXX}
-  ${OTB_INCLUDE_DIRS_SYSTEM} 
 )
 
 #-----------------------------------------------------------------------------
@@ -59,9 +58,6 @@ SET(OTB_INCLUDE_DIRS_CONFIG \${OTB_INSTALL_PREFIX}/${OTB_INSTALL_INCLUDE_DIR})
 FOREACH(DIR ${OTB_INCLUDE_RELATIVE_DIRS})
   LIST(APPEND OTB_INCLUDE_DIRS_CONFIG \${OTB_INSTALL_PREFIX}/${OTB_INSTALL_INCLUDE_DIR}/${DIR})
 ENDFOREACH(DIR)
-IF(OTB_INCLUDE_DIRS_SYSTEM)
-  LIST(APPEND OTB_INCLUDE_DIRS_CONFIG ${OTB_INCLUDE_DIRS_SYSTEM})
-ENDIF(OTB_INCLUDE_DIRS_SYSTEM)
 
 # Add absolue includes paths
 SET(OTB_INCLUDE_DIRS_CONFIG ${OTB_INCLUDE_DIRS_CONFIG}

CMake/otbIncludeDirectories.cmake

-# $Id$
-#-----------------------------------------------------------------------------
-# Include directories for other projects installed on the system.
-SET(OTB_INCLUDE_DIRS_SYSTEM "")
-
 #-----------------------------------------------------------------------------
 # Include directories from the build tree.
 SET(OTB_INCLUDE_DIRS_BUILD_TREE ${OTB_BINARY_DIR})

CMakeLists.txt

@@ -275,7 +275,6 @@ INCLUDE(${OTB_SOURCE_DIR}/CMake/otbIncludeDirectories.cmake)
 INCLUDE_DIRECTORIES(
   ${OTB_INCLUDE_DIRS_BUILD_TREE}
   ${OTB_INCLUDE_DIRS_BUILD_TREE_CXX}
-  ${OTB_INCLUDE_DIRS_SYSTEM}
 )
 
 #-----------------------------------------------------------------------------