<pre><code>
  GEN      qt/forms/ui_transactiondescdialog.h
  GEN      qt/paymentrequest.pb.h
  GEN      qt/bitcoin.moc
  GEN      qt/bitcoinamountfield.moc
  GEN      qt/intro.moc
  GEN      qt/overviewpage.moc
  GEN      qt/rpcconsole.moc
  CXX      qt/qt_bitcoin_qt-bitcoin.o
qt/bitcoin.cpp: In function ‘int main(int, char**)’:
qt/bitcoin.cpp:709:173: error: invalid static_cast from type ‘WId {aka long long unsigned int}’ to type ‘HWND {aka HWND__*}’
             WinShutdownMonitor::registerShutdownBlockReason(QObject::tr("%1 didn't yet exit safely...").arg(QObject::tr(PACKAGE_NAME)), static_cast<HWND>(app.getMainWinId()));
                                                                                                                                                                             ^
make[2]: *** [qt/qt_bitcoin_qt-bitcoin.o] Error 1
Makefile:8181: recipe for target 'qt/qt_bitcoin_qt-bitcoin.o' failed
make[2]: Leaving directory '/usr/src/bitcoin/src'
make[1]: *** [all-recursive] Error 1
Makefile:9419: recipe for target 'all-recursive' failed
make: *** [all-recursive] Error 1
make[1]: Leaving directory '/usr/src/bitcoin/src'
Makefile:747: recipe for target 'all-recursive' failed
</code></pre>

build on WSL
WId getMainWinId() const;
public Q_SLOTS:
    void initializeResult(bool success);
    void shutdownResult();
    
    void handleRunawayException(const QString &message);
Q_SIGNALS:
    void requestedInitialize();
    void requestedShutdown();
    void stopThread();
    void splashFinished(QWidget *window);
private:
    QThread *coreThread;
    OptionsModel *optionsModel;
    ClientModel *clientModel;
    BitcoinGUI *window;
    QTimer *pollShutdownTimer;
#ifdef ENABLE_WALLET
    PaymentServer* paymentServer;
    WalletModel *walletModel;
#endif
    int returnValue;
    const PlatformStyle *platformStyle;
    std::unique_ptr<QWidget> shutdownWindow;
    void startThread();
};
#include <qt/bitcoin.moc>
BitcoinCore::BitcoinCore():