交叉编译qt5.4.1遇到的错误

desc:  undefined reference to `JSC::Yarr::wordcharCreate()

https://forum.qt.io/topic/32634/unresolved-external-symbol-attempting-to-build-5-2

• in "qt\qtdeclarative\src\qml", check the file "RegExpJitTables.h"
  if it's empty, delete it (it's autogenerated with python)