I built the static openCV 2.3 libraries. My project currently uses the dynamic ones with no problem, but now I want to use static libs. I added the libs to my .pro file:
LIBS += "C:\Program Files\openCV_VS_static\opencv\build\lib\Release\opencv_calib3d231.lib" \
"C:\Program Files\openCV_VS_static\opencv\build\lib\Release\opencv_contrib231.lib" \
"C:\Program Files\openCV_VS_static\opencv\build\lib\Release\opencv_core231.lib" \
"C:\Program Files\openCV_VS_static\opencv\build\lib\Release\opencv_features2d231.lib" \
"C:\Program Files\openCV_VS_static\opencv\build\lib\Release\opencv_flann231.lib" \
"C:\Program Files\openCV_VS_static\opencv\build\lib\Release\opencv_gpu231.lib" \
"C:\Program Files\openCV_VS_static\opencv\build\lib\Release\opencv_haartraining_engine.lib" \
"C:\Program Files\openCV_VS_static\opencv\build\lib\Release\opencv_highgui231.lib" \
"C:\Program Files\openCV_VS_static\opencv\build\lib\Release\opencv_imgproc231.lib" \
"C:\Program Files\openCV_VS_static\opencv\build\lib\Release\opencv_legacy231.lib" \
"C:\Program Files\openCV_VS_static\opencv\build\lib\Release\opencv_ml231.lib" \
"C:\Program Files\openCV_VS_static\opencv\build\lib\Release\opencv_objdetect231.lib" \
"C:\Program Files\openCV_VS_static\opencv\build\lib\Release\opencv_ts231.lib" \
"C:\Program Files\openCV_VS_static\opencv\build\lib\Release\opencv_video231.lib"
And include dirs:
INCLUDEPATH += "C:\Program Files\openCV_VS_static\opencv\build\include"
INCLUDEPATH += "C:\Program Files\openCV_VS_static\opencv\build\include\opencv"
When I try to build I get these errors:
LIBCMT.lib(invarg.obj) : error LNK2005: __invoke_watson already defined in MSVCRT.lib(MSVCR100.dll)
LIBCMT.lib(mlock.obj) : error LNK2005: __unlock already defined in MSVCRT.lib(MSVCR100.dll)
LIBCMT.lib(mlock.obj) : error LNK2005: __lock already defined in MSVCRT.lib(MSVCR100.dll)
LIBCMT.lib(winxfltr.obj) : error LNK2005: __XcptFilter already defined in MSVCRT.lib(MSVCR100.dll)
LIBCMT.lib(crt0dat.obj) : error LNK2005: __initterm_e already defined in MSVCRT.lib(MSVCR100.dll)
LIBCMT.lib(crt0dat.obj) : error LNK2005: _exit already defined in MSVCRT.lib(MSVCR100.dll)
LIBCMT.lib(crt0dat.obj) : error LNK2005: __exit already defined in MSVCRT.lib(MSVCR100.dll)
LIBCMT.lib(crt0dat.obj) : error LNK2005: __cexit already defined in MSVCRT.lib(MSVCR100.dll)
LIBCMT.lib(crt0dat.obj) : error LNK2005: __amsg_exit already defined in MSVCRT.lib(MSVCR100.dll)
LIBCMT.lib(hooks.obj) : error LNK2005: "void __cdecl terminate(void)" (?terminate@@YAXXZ) already defined in MSVCRT.lib(MSVCR100.dll)
LIBCMT.lib(crt0init.obj) : error LNK2005: ___xi_a already defined in MSVCRT.lib(cinitexe.obj)
LIBCMT.lib(crt0init.obj) : error LNK2005: ___xi_z already defined in MSVCRT.lib(cinitexe.obj)
LIBCMT.lib(crt0init.obj) : error LNK2005: ___xc_a already defined in MSVCRT.lib(cinitexe.obj)
LIBCMT.lib(crt0init.obj) : error LNK2005: ___xc_z already defined in MSVCRT.lib(cinitexe.obj)
LIBCMT.lib(errmode.obj) : error LNK2005: ___set_app_type already defined in MSVCRT.lib(MSVCR100.dll)
LINK : warning LNK4098: defaultlib 'MSVCRT' conflicts with use of other libs; use /NODEFAULTLIB:library
LINK : warning LNK4098: defaultlib 'LIBCMT' conflicts with use of other libs; use /NODEFAULTLIB:library
Any help or suggestions appreciated.
On CMake, when building the openCV static libraries, besides unchecking BUILD_SHARED_LIBS I also unchecked BUILD_WITH_STATIC_CRT, and that took care of that particular problem
Make sure that the Project properties->Configuration Properties->c/c++>Code Generation: Runtime Library is Multi-threaded (/MT)
The problem seem to be that your linker attempts to combine different, incompatible versions of the Visual C++ runtime library (CRT) into one single binary.
Let me guess in the wild: Each part of your project and the libraries you link against are NOT generated with the same code generation options in Visual C++.
I wonder if the /NODEFAULTLIB switch 'd solve this challenge?
来源：https://stackoverflow.com/questions/9697935/lnk2005-error-linking-static-opencv-libraries-with-visual-studio-and-qt-creator