BUG: fix boost installation

Utilities/BGL/CMakeLists.txt

 PROJECT(BGL)
 
-SUBDIRS(boost)
+ADD_SUBDIRECTORY(boost)
 

Utilities/BGL/boost/CMakeLists.txt

 
 IF(NOT OTB_INSTALL_NO_DEVELOPMENT)
-  FILE(GLOB_RECURSE __files1 "${CMAKE_CURRENT_SOURCE_DIR}/*.h")
-  FILE(GLOB_RECURSE __files2 "${CMAKE_CURRENT_SOURCE_DIR}/*.txx")
-  FILE(GLOB_RECURSE __files3 "${CMAKE_CURRENT_SOURCE_DIR}/*.hpp")
+
+set(BOOST_FOLDER_LIST "bfunctional;bind;butility;config;detail;function;graph;iterator;mpl;optional;pending;preprocessor;spirit;tuple;type_traits")
+  
+  FILE(GLOB __files1 "${CMAKE_CURRENT_SOURCE_DIR}/*.h")
+  FILE(GLOB __files2 "${CMAKE_CURRENT_SOURCE_DIR}/*.txx")
+  FILE(GLOB __files3 "${CMAKE_CURRENT_SOURCE_DIR}/*.hpp")
   INSTALL(FILES ${__files1} ${__files2} ${__files3}
     DESTINATION ${OTB_INSTALL_INCLUDE_DIR_CM24}/Utilities/BGL/boost
     COMPONENT Development)
+    
+  foreach(folder ${BOOST_FOLDER_LIST})
+    FILE(GLOB __files1 "${CMAKE_CURRENT_SOURCE_DIR}/${folder}/*.h")
+    FILE(GLOB __files2 "${CMAKE_CURRENT_SOURCE_DIR}/${folder}/*.txx")
+    FILE(GLOB __files3 "${CMAKE_CURRENT_SOURCE_DIR}/${folder}/*.hpp")
+    INSTALL(FILES ${__files1} ${__files2} ${__files3}
+      DESTINATION ${OTB_INSTALL_INCLUDE_DIR_CM24}/Utilities/BGL/boost/${folder}
+      COMPONENT Development)
+  endforeach(folder)    
 ENDIF(NOT OTB_INSTALL_NO_DEVELOPMENT)