我已经编译了我的源文件 mycpp.c 的依赖文件,并按照它们使用的顺序链接了这些文件。所有依赖文件都在同一个文件夹中。
**//Compilation**
$ g++ -c -w -Wno-deprecated String.c Vector.c DPStream.c CJ_Base.c mycpp.c
**//Linking**
$ g++ -g -o myexe String.o Vector.o DPStream.o CJ_Base.o mycpp.o
Vector.h
#include <iostream.h>
#include <fstream.h>
#include <iomanip.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include "String.h"
#include "Storage.h"
template <class Object>
class Vector : public Storage{
public:
// ctors & dtor
Vector ();
Vector (int);
~Vector();
// overloaded operators
Object& operator[] (int nSubscript);
void operator<<(Object &);
void operator<<(char *);
// access methods
int Count(){return _iCurrElem;};
int Print(ofstream &);
void Flush();
Resize(int);
int IsType() {return VectorType;};
private:
long _iCurrElem;
Object *moj;
long _iUpperBound;
void _reserve(int);
};
#endif
Vector.c
---------
#include"Vector.h"
template <class Object>
Vector<Object>::Vector ()
{
moj = new Object[3];
}
template <class Object>
Vector<Object>::Vector (int e)
{
moj = new Object[e];
}
template <class Object>
Vector<Object>::~Vector ()
{
delete[] moj;
}
template <class Object>
Vector<Object>::operator<<(Object &)
{
//stmt
}
template <class Object>
Vector<Object>::operator<<(char* ch)
{
//stmt
}
template <class Object>
Vector<Object>::Print(ofstream &foutput)
{
//stmt
}
在 mycpp.h 的以下顺序中包含头文件
#include <iostream.h>
#include <fstream.h>
#include <iomanip.h>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include "String.h"
#include "Vector.h"
#include "DPStream.h"
#include "CJ_Base.h"
但是 g++ 编译器仍然抛出错误 粘贴在链接错误下方
DPStream.o: In function `DPStream::operator<<(Vector<String>&)':
DPStream.c:(.text+0x396): undefined reference to `Vector<String>::Print(std::basic_ofstream<char, std::char_traits<char> >&)'
mycpp.o: In function `mycpp::ProcessFile()':
mycpp.o:(.text+0x24e): undefined reference to `Vector<String>::operator<<(String&)'
mycpp.o:(.text+0x2e5): undefined reference to `Vector<String>::operator<<(char*)'
mycpp.o:(.text+0x310): undefined reference to `Vector<String>::Flush()'
mycpp.o:(.text+0x32b): undefined reference to `Vector<String>::operator<<(String&)'
mycpp.o:(.text+0x346): undefined reference to `Vector<String>::operator<<(String&
mycpp.o: In function `mycpp::~mycpp()':
mycpp.o:(.text+0x24e): undefined reference to `Vector<String>::operator<<(String&)'
你能帮我解决这个问题吗