Don't try to remove from an empty list.

scripts/CMakeLists.txt

@@ -253,6 +253,7 @@ ENDIF()
 # Extract dependencies using CMake's internal ${target}_LIB_DEPENDS variable
 # returned string in ${var} is can be passed to linker's command line
 MACRO(EXTRACT_LINK_LIBRARIES target var)
+  IF(${target}_LIB_DEPENDS)
     LIST(REMOVE_ITEM ${target}_LIB_DEPENDS "")
     LIST(REMOVE_DUPLICATES ${target}_LIB_DEPENDS)
     FOREACH(lib ${${target}_LIB_DEPENDS})
@@ -271,6 +272,7 @@ MACRO(EXTRACT_LINK_LIBRARIES target var)
         ENDIF()
       ENDIF()
     ENDFOREACH()
+  ENDIF()
   IF(MSVC)
     STRING(REPLACE "-l" "" ${var} "${${var}}")
   ENDIF()