问gSoap缺少stdsoap2.cpp，未定义对`soap_peek_element的引用

EN

wsdl2h -o calc.h http://www.genivia.com/calc.wsdl
soapcpp2 -i -j -I/usr/share/gsoap/import calc.h

TARGET = calc
TEMPLATE = app   
SOURCES += main.cpp\
        mainwindow.cpp\
        test/soapC.cpp\
        test/soapcalcProxy.cpp\
HEADERS  += mainwindow.h \
        test/soapcalcProxy.h \
        test/soapH.h \
        test/soapStub.h \    
FORMS    += mainwindow.ui

#include "mainwindow.h"
#include <QApplication>
#include "test/soapcalcProxy.h"
#include "test/calc.nsmap"

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    calcProxy service;

    MainWindow w;
    w.show();

    return a.exec();
}

soapC.cpp:187: error: undefined reference to `soap_lookup_type'