: fatal error C1189: #error : Please use the /MD switch for _AFXDLL builds

[jasonM2008]

编写的是一个MFC EXTEND DLL，开始 有11个错误，都是LINK错误，我后来吧工程里面的-》setting->Microsoft Foundation class 改成了use MFC in a static library
就报错如题！！！！！
高手帮我！！！！！！！！！！！！！！
: fatal error C1189: #error : Please use the /MD switch for _AFXDLL builds

[[v]tianyu_edu]

在共享 DLL 中使用 MFC

怎么样

[jasonM2008]

如果那样!就 报错如下！
Linking...
libcmtd.lib(dbgheap.obj) : error LNK2005: __malloc_dbg already defined in msvcrtd.lib(MSVCRTD.dll)
libcmtd.lib(dbgheap.obj) : error LNK2005: __free_dbg already defined in msvcrtd.lib(MSVCRTD.dll)
libcmtd.lib(strcat.obj) : error LNK2005: _strcpy already defined in msvcrtd.lib(MSVCRTD.dll)
libcmtd.lib(crt0init.obj) : error LNK2005: ___xc_z already defined in msvcrtd.lib(cinitexe.obj)
libcmtd.lib(crt0init.obj) : error LNK2005: ___xc_a already defined in msvcrtd.lib(cinitexe.obj)
libcmtd.lib(crt0init.obj) : error LNK2005: ___xi_z already defined in msvcrtd.lib(cinitexe.obj)
libcmtd.lib(crt0init.obj) : error LNK2005: ___xi_a already defined in msvcrtd.lib(cinitexe.obj)
libcpmtd.lib(iostream.obj) : error LNK2005: "public: __thiscall std::ios_base::Init::Init(void)" (??0Init@ios_base@std@@QAE@XZ) already defined in msvcprtd.lib(MSVCP60D.dll)
libcpmtd.lib(iostream.obj) : error LNK2005: "public: __thiscall std::ios_base::Init::~Init(void)" (??1Init@ios_base@std@@QAE@XZ) already defined in msvcprtd.lib(MSVCP60D.dll)
libcpmtd.lib(iostream.obj) : warning LNK4006: "public: __thiscall std::ios_base::Init::Init(void)" (??0Init@ios_base@std@@QAE@XZ) already defined in msvcprtd.lib(MSVCP60D.dll); second definition ignored
libcpmtd.lib(iostream.obj) : warning LNK4006: "public: __thiscall std::ios_base::Init::~Init(void)" (??1Init@ios_base@std@@QAE@XZ) already defined in msvcprtd.lib(MSVCP60D.dll); second definition ignored
Creating library Debug/Dcmtk_dll.lib and object Debug/Dcmtk_dll.exp
LINK : warning LNK4098: defaultlib "msvcrtd.lib" conflicts with use of other libs; use /NODEFAULTLIB:library
msvcrtd.lib(cinitexe.obj) : warning LNK4098: defaultlib "libcmtd.lib" conflicts with use of other libs; use /NODEFAULTLIB:library
libcmtd.lib(crt0.obj) : error LNK2001: unresolved external symbol _main
Debug/Dcmtk_dll.dll : fatal error LNK1120: 1 unresolved externals

[jixiang719]

我也在寻找答案

[donkeydonkey]

mark……我现在也遇到了这个问题！！

[sunnyaisatelecom]

选择工程——>属性——>c++——>代码生成——>运行时库——>多线程dll(/md),要么就再试试其它几个。