Index: wt-4.0.5/src/CMakeLists.txt
===================================================================
--- wt-4.0.5.orig/src/CMakeLists.txt
+++ wt-4.0.5/src/CMakeLists.txt
@@ -6,9 +6,12 @@ INCLUDE_DIRECTORIES(
   ${CMAKE_CURRENT_SOURCE_DIR}/Wt/Date/include
   ${CMAKE_CURRENT_BINARY_DIR} # for WConfig.h
   ${BOOST_INCLUDE_DIRS}
-  Wt/Dbo/backend/amalgamation # for sqlite3.h
 )
 
+IF(ENABLE_SQLITE AND NOT USE_SYSTEM_SQLITE3)
+  INCLUDE_DIRECTORIES(Wt/Dbo/backend/amalgamation) # sqlite 3
+ENDIF(ENABLE_SQLITE AND NOT USE_SYSTEM_SQLITE3)
+
 LINK_DIRECTORIES(${BOOST_LIB_DIRS})
 
 MACRO (FILE_TO_STRING infile outfile var)