ENDIF(BUILD_BBTK_DOC)
#-----------------------------------------------------------------------------
+
+#-----------------------------------------------------------------------------
+# BOOST C++
+OPTION(BBTK_USE_BOOST "Use the boost C++ library" ON)
+IF(BBTK_USE_BOOST)
+ADD_DEF( _USE_BOOST_ )
+ENDIF(BBTK_USE_BOOST)
+#-----------------------------------------------------------------------------
+