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The Solution for 'redefinition of exit()'
in glut.h and stdlib.h
When develop GLUT projects in Windows system, we
always encounter this problem or like:
D:\Program Files\Microsoft Visual
Studio .NET
2003\Vc7\include\stdlib.h(256) : error C2381: '
exit
' :
redefinition
;
__declspec(noreturn) differs
D:\programs\glut-3.7.6-bin\GL\glut.h(146) : see declaration of
'
exit
'
We could simply solve this problem by
opening glut.h and find the definition of exit() function (about line
144). Replace them by following. Then rebuild project:
- #if defined(_WIN32)
- # ifndef GLUT_BUILDING_LIB
- #if _MSC_VER >= 1200
- _CRTIMP __declspec(noreturn) void __cdecl exit(int);
- #else
- _CRTIMP void __cdecl exit(int);
- #endif
- # endif
- #else
Windows下用到GLUT进行OpenGL开发时，时常会碰到exit()这个函数在stdlib.h与glut.h两个头文件中重复定义的情况，解
决方案如下：
打开glut.h,找到exit（）函数定义的地方（144行左右），替换为以下内容：
- #if defined(_WIN32)
- # ifndef GLUT_BUILDING_LIB
- #if _MSC_VER >= 1200
- _CRTIMP __declspec(noreturn) void __cdecl exit(int);
- #else
- _CRTIMP void __cdecl exit(int);
- #endif
- # endif
- #else
然后重新编译项目即可。
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