//C++中建立一文件，其代码如下，但运行有错误，不知道怎么回事？



#include<gl/glaux.h>



void CALLBACK reshape(GLsizei w,GLsizei h)

{

}



void CALLBACK display(void)

{

	auxWireSphere(1);

	glFlush();

}



void main(void)

{

	auxInitPosition(0,0,500,500);

	auxInitDisplayMode(AUX_SINGLE|AUX_RGBA);

	auxInitWindow("opengl");

	auxReshapeFunc(reshape);

	auxMainLoop(display);

}

//错误提示：

/*

--------------------Configuration: Cpp1 - Win32 Debug--------------------

Linking...

Cpp1.obj : error LNK2001: unresolved external symbol __imp__glFlush@0

Cpp1.obj : error LNK2001: unresolved external symbol _auxWireSphere@8

Cpp1.obj : error LNK2001: unresolved external symbol _auxMainLoop@4

Cpp1.obj : error LNK2001: unresolved external symbol _auxReshapeFunc@4

Cpp1.obj : error LNK2001: unresolved external symbol _auxInitWindowA@4

Cpp1.obj : error LNK2001: unresolved external symbol _auxInitDisplayMode@4

Cpp1.obj : error LNK2001: unresolved external symbol _auxInitPosition@16

Debug/Cpp1.exe : fatal error LNK1120: 7 unresolved externals

Error executing link.exe.



Cpp1.exe - 8 error(s), 0 warning(s)

*/