LIBCD.lib(crt0dat.obj) : error LNK2005: _exit already defined in msvcrtd.lib(MSVCRTD.dll)

类似链接错误:

LIBCD.lib(crt0dat.obj) : error LNK2005: _exit already defined in msvcrtd.lib(MSVCRTD.dll)
LIBCD.lib(crt0dat.obj) : error LNK2005: __exit already defined in msvcrtd.lib(MSVCRTD.dll)
LIBCD.lib(dbgheap.obj) : error LNK2005: _malloc already defined in msvcrtd.lib(MSVCRTD.dll)
LIBCD.lib(dbgheap.obj) : error LNK2005: _calloc already defined in msvcrtd.lib(MSVCRTD.dll)
LIBCD.lib(dbgheap.obj) : error LNK2005: _realloc already defined in msvcrtd.lib(MSVCRTD.dll)
LIBCD.lib(dbgheap.obj) : error LNK2005: _free already defined in msvcrtd.lib(MSVCRTD.dll)
LIBCD.lib(crt0init.obj) : error LNK2005: ___xc_z already defined in msvcrtd.lib(cinitexe.obj)
LIBCD.lib(crt0init.obj) : error LNK2005: ___xc_a already defined in msvcrtd.lib(cinitexe.obj)
LIBCD.lib(crt0init.obj) : error LNK2005: ___xi_z already defined in msvcrtd.lib(cinitexe.obj)
LIBCD.lib(crt0init.obj) : error LNK2005: ___xi_a already defined in msvcrtd.lib(cinitexe.obj)
LIBCD.lib(mbctype.obj) : error LNK2005: __getmbcp already defined in msvcrtd.lib(MSVCRTD.dll)
LIBCD.lib(winxfltr.obj) : error LNK2005: __XcptFilter already defined in msvcrtd.lib(MSVCRTD.dll)
msvcrtd.lib(MSVCRTD.dll) : error LNK2005: __setmbcp already defined in LIBCD.lib(mbctype.obj)
LIBCD.lib(crt0dat.obj) : warning LNK4006: _exit already defined in msvcrtd.lib(MSVCRTD.dll); second definition ignored
LIBCD.lib(crt0dat.obj) : warning LNK4006: __exit already defined in msvcrtd.lib(MSVCRTD.dll); second definition ignored
LIBCD.lib(dbgheap.obj) : warning LNK4006: _malloc already defined in msvcrtd.lib(MSVCRTD.dll); second definition ignored
LIBCD.lib(dbgheap.obj) : warning LNK4006: _calloc already defined in msvcrtd.lib(MSVCRTD.dll); second definition ignored
LIBCD.lib(dbgheap.obj) : warning LNK4006: _realloc already defined in msvcrtd.lib(MSVCRTD.dll); second definition ignored
LIBCD.lib(dbgheap.obj) : warning LNK4006: _free already defined in msvcrtd.lib(MSVCRTD.dll); second definition ignored
LIBCD.lib(crt0init.obj) : warning LNK4006: ___xc_z already defined in msvcrtd.lib(cinitexe.obj); second definition ignored
LIBCD.lib(crt0init.obj) : warning LNK4006: ___xc_a already defined in msvcrtd.lib(cinitexe.obj); second definition ignored
LIBCD.lib(crt0init.obj) : warning LNK4006: ___xi_z already defined in msvcrtd.lib(cinitexe.obj); second definition ignored
LIBCD.lib(crt0init.obj) : warning LNK4006: ___xi_a already defined in msvcrtd.lib(cinitexe.obj); second definition ignored
LIBCD.lib(mbctype.obj) : warning LNK4006: __getmbcp already defined in msvcrtd.lib(MSVCRTD.dll); second definition ignored
LIBCD.lib(winxfltr.obj) : warning LNK4006: __XcptFilter already defined in msvcrtd.lib(MSVCRTD.dll); second definition ignored
msvcrtd.lib(MSVCRTD.dll) : warning LNK4006: __setmbcp already defined in LIBCD.lib(mbctype.obj); second definition ignored
   Creating library Debug/APathFindTest.lib and object Debug/APathFindTest.exp
LINK : warning LNK4098: defaultlib "msvcrtd.lib" conflicts with use of other libs; use /NODEFAULTLIB:library
LINK : warning LNK4098: defaultlib "LIBCD" conflicts with use of other libs; use /NODEFAULTLIB:library
Debug/APathFindTest.exe : fatal error LNK1169: one or more multiply defined symbols found
Error executing link.exe.

 

原因与修改办法:

主程序和lib所使用的运行库不一致,project->setting-> Generation->Use MFC Static Library

重新编译LIB,project->setting-> Generation->Use MFC in a Shared DLL,不要把MFC的DLL做为静态库