It appears some error when compiling

[zhao07]

On windows XP, I use qmake CONFIG+=static, then nmake, some info below:

cd appcastminsysupdatefilter\ && ( if not exist Makefile C:\Qt\Qt5.2.1\5.2.1\msvc2010_opengl\bin\qmake.exe C:\Projects\qtxupdate-master\tests\auto\appcastminsysupdatefilter\appcastminsysupdatefilter.pro -spec win32-msvc2010 CONFIG+=static -o Makefile ) && C:\Qt\Qt5.2.1\Tools\QtCreator\bin\jom.exe -f Makefile
    C:\Qt\Qt5.2.1\Tools\QtCreator\bin\jom.exe -f Makefile.Release
    link /NOLOGO /DYNAMICBASE /NXCOMPAT /INCREMENTAL:NO /SUBSYSTEM:CONSOLE "/MANIFESTDEPENDENCY:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' publicKeyToken='6595b64144ccf1df' language='*' processorArchitecture='*'" /MANIFEST /MANIFESTFILE:release\tst_appcastminsysupdatefilter.exe.embed.manifest /OUT:release\tst_appcastminsysupdatefilter.exe @C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\tst_appcastminsysupdatefilter.exe.636.62.jom
QtxUpdate.lib(appcastupdatechecker.obj) : error LNK2019: unresolved external symbol "public: void __thiscall NetworkExchange::get(void)" (?get@NetworkExchange@@QAEXXZ) referenced in function "public: void __thiscall AppcastUpdateCheckerPrivate::check(void)" (?check@AppcastUpdateCheckerPrivate@@QAEXXZ)
QtxUpdate.lib(appcastupdatechecker.obj) : error LNK2019: unresolved external symbol "public: void __thiscall NetworkExchange::setNetworkAccessManager(class QNetworkAccessManager *)" (?setNetworkAccessManager@NetworkExchange@@QAEXPAVQNetworkAccessManager@@@Z) referenced in function "public: void __thiscall AppcastUpdateCheckerPrivate::check(void)" (?check@AppcastUpdateCheckerPrivate@@QAEXXZ)
QtxUpdate.lib(appcastupdatechecker.obj) : error LNK2019: unresolved external symbol "public: __thiscall NetworkExchange::NetworkExchange(class QNetworkRequest const &,class QObject *)" (??0NetworkExchange@@QAE@ABVQNetworkRequest@@PAVQObject@@@Z) referenced in function "public: void __thiscall AppcastUpdateCheckerPrivate::check(void)" (?check@AppcastUpdateCheckerPrivate@@QAEXXZ)
QtxUpdate.lib(appcastupdatechecker.obj) : error LNK2019: unresolved external symbol "public: class QByteArray __thiscall NetworkExchange::readAll(void)" (?readAll@NetworkExchange@@QAE?AVQByteArray@@XZ) referenced in function "private: void __thiscall AppcastUpdateChecker::onReadyRead(void)" (?onReadyRead@AppcastUpdateChecker@@AAEXXZ)
QtxUpdate.lib(appcastupdatechecker.obj) : error LNK2019: unresolved external symbol "public: class QString __thiscall NetworkExchange::errorString(void)const " (?errorString@NetworkExchange@@QBE?AVQString@@XZ) referenced in function "private: void __thiscall AppcastUpdateChecker::onError(enum QNetworkReply::NetworkError)" (?onError@AppcastUpdateChecker@@AAEXW4NetworkError@QNetworkReply@@@Z)
release\tst_appcastminsysupdatefilter.exe : fatal error LNK1120: 5 unresolved externals