I need help.
Try compile anda install openbr.
[ 88%] Building CXX object openbr/CMakeFiles/openbr.dir/openbr_autogen/moc_compilation.cpp.obj
moc_compilation.cpp
NMAKE : fatal error U1073: don't know how to make 'E:\101.opencv-2.4.13\build-msvc2013\lib\opencv_contrib2413.lib'
Stop.
NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\BIN\nmake.exe"' : return code '0x2'
Stop.
NMAKE : fatal error U1077: '"C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\BIN\nmake.exe"' : return code '0x2'
Stop.
tks.