在ubuntu 20下安装QT4.8.7，从everywhere的包编译的。
make过程中出现error，但是我找到响应的文件（CPP h ui三个文件），相关的属性是存在的，
比如下面第一个错误 cupsPropertiesPage 这个控件存在，大小写也是正确的。。。

有人知道怎么解决吗？


问题如下：
/home/4.8.7/src/gui/dialogs/qprintdialog_unix.cpp: In destructor ‘virtual QPrintPropertiesDialog::~QPrintPropertiesDialog()’:
/home/4.8.7/src/gui/dialogs/qprintdialog_unix.cpp:281:19: error: ‘class Ui::QPrintPropertiesWidget’ has no member named ‘cupsPropertiesPage’
  281 |     delete widget.cupsPropertiesPage;
      |                   ^~~~~~~~~~~~~~~~~~
/home/4.8.7/src/gui/dialogs/qprintdialog_unix.cpp: In member function ‘void QPrintPropertiesDialog::applyPrinterProperties(QPrinter*)’:
/home/4.8.7/src/gui/dialogs/qprintdialog_unix.cpp:287:12: error: ‘class Ui::QPrintPropertiesWidget’ has no member named ‘pageSetup’
  287 |     widget.pageSetup->setPrinter(p);
      |            ^~~~~~~~~
/home/4.8.7/src/gui/dialogs/qprintdialog_unix.cpp: In member function ‘void QPrintPropertiesDialog::setupPrinter() const’:
/home/4.8.7/src/gui/dialogs/qprintdialog_unix.cpp:292:12: error: ‘const class Ui::QPrintPropertiesWidget’ has no member named ‘pageSetup’
  292 |     widget.pageSetup->setupPrinter();
      |            ^~~~~~~~~
/home/4.8.7/src/gui/dialogs/qprintdialog_unix.cpp: In member function ‘void QPrintPropertiesDialog::selectPrinter()’:
/home/4.8.7/src/gui/dialogs/qprintdialog_unix.cpp:337:16: error: ‘class Ui::QPrintPropertiesWidget’ has no member named ‘cupsPropertiesPage’
  337 |         widget.cupsPropertiesPage->setEnabled(false);
      |                ^~~~~~~~~~~~~~~~~~
/home/4.8.7/src/gui/dialogs/qprintdialog_unix.cpp:338:16: error: ‘class Ui::QPrintPropertiesWidget’ has no member named ‘pageSetup’
  338 |         widget.pageSetup->selectPrinter(0);
      |                ^~~~~~~~~
…………………………

make: *** [Makefile:128930：.obj/release-shared/qprintdialog_unix.o] 错误 1