我在當前項目中有以下情況:編譯器返回「collect2:Id返回1退出狀態」使用下面的代碼:編譯器錯誤「collect2:Id返回1退出狀態」使用類與QObject(QT 4.7與Qt造物主)
#ifndef BASE_02_H
#define BASE_02_H
#include <QtCore>
class Base_02
{
public:
Base_02();
virtual void method()=0;
};
#endif // BASE_02_H
#include "base_02.h"
#include <QtCore>
Base_02::Base_02()
{
}
//----------------------------------------------------------------------------------------------------------------------------------
#ifndef DERIVED_02_H
#define DERIVED_02_H
#include <QtCore>
#include "base_02.h"
class Derived_02 : public Base_02
{
public:
Derived_02();
void method();
};
#endif // DERIVED_02_H
#include "derived_02.h"
#include <QtCore>
Derived_02::Derived_02()
{
}
void Derived_02::method()
{
qDebug() << "Derived_02::method()";
}
//----------------------------------------------------------------------------------------------------------------------------------
#ifndef BASE_H
#define BASE_H
#include <QtCore>
class Base : public QObject
{
Q_OBJECT
public:
Base(Base* p=NULL);
virtual void method()=0;
};
#endif // BASE_H
#include "base.h"
#include <QtCore>
Base::Base(Base* p)
{
}
//----------------------------------------------------------------------------------------------------------------------------------
#ifndef DERIVED_H
#define DERIVED_H
#include <QtCore>
#include "base.h"
class Derived : public Base
{
Q_OBJECT
public:
Derived(Derived* p=NULL);
void method();
};
#endif // DERIVED_H
#include "derived.h"
#include "derived_02.h"
#include <QtCore>
Derived::Derived(Derived* p)
{
}
void Derived::method()
{
Derived_02 d;
d.method();
}
//----------------------------------------------------------------------------------------------------------------------------------
#include <QtCore/QCoreApplication>
#include <QtCore>
#include "base.h"
#include "derived.h"
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
Derived* derived = new Derived();
return a.exec();
}
編譯器說以下內容:
... 的mingw32-化妝:進入目錄
C:/Entwicklung SVN/debug test/dataSenderReceiverExample' C:/Qt/2010.04/mingw/bin/mingw32-make -f Makefile.Debug mingw32-make[1]: Entering directory
C:/ SVN發展協會/調試測試/ dataSenderReceiverExample」 G ++ -c -g -frtti -fexceptions -mthreads -Wall -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_CORE_LIB -DQT_THREAD_SUPPORT -I「...... \ Qt \ 2010.04 \ qt \ include \ QtCore」-I「...... \ Qt \ 2010.04 \ qt \ include」-I「。 \ dataSenderReceiver「-I」...... \ Qt \ 2010.04 \ qt \ include \ ActiveQt「-I」debug「-I」...... \ Qt \ 2010.04 \ qt \ mkspecs \ win32-g ++ 「-o debug \ main.o main.cpp main.cpp:在函數'int main(int,char **)'中: main.cpp:14:warning:未使用變量'derived' g ++ -enable-stdcall -w,-enable-auto-import -Wl,-enable-runtime-pseudo-reloc -Wl,-subsystem,console -mthreads -Wl -o debug \ dataSenderReceiverExample.exe debug/main.o -L「c: \ Qt \ 2010.04 \ qt \ lib「-L ../ dataSenderReceiver/debug -dataSenderReceiver -lQtCored4 mingw32-make [1]:離開目錄C:/Entwicklung SVN/debug test/dataSenderReceiverExample' mingw32-make: Leaving directory
C:/ Entwicklung SVN/debug test/dataSenderReceiverExample' ../dataSenderReceiver/debug /libdataSenderReceiver.a(derived.o):C:\Entwicklung SVN \ debug test \ dataSenderReceiver/derived.cpp:14:undefined參考Derived_02::Derived_02()' ../dataSenderReceiver/debug/libdataSenderReceiver.a(derived.o):C:\Entwicklung SVN\debug test\dataSenderReceiver/derived.cpp:15: undefined reference to
Derived_02 :: method()' collect2:ld返回1退出狀態 mingw32-make [1]:* [debug \ dataSenderReceiverExample.exe]錯誤1 mingw32-make:* [debug] Error 2 The Prozess「C:/Qt/2010.04/mingw/bin/mingw32-make.exe」wurde mit demRückgabewert%2 beendet。 Fehler BEIM ERSTELLEN DES Projekts dataSenderReceiverExample(ZIEL:桌面) BEIMAusführenDES內置Schritts '製作'
請幫幫忙!
貌似derived.cpp和derived_02.cpp沒有得到comoiled:
在一個.pro文件庫C之前名稱庫B中。你正在使用QtCreator還是你在命令行上運行它?你的makefile是什麼? – 2011-02-04 17:44:56