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what should I do fix it??

You should try to use google. If you search for

inconsistent operand constraints in an ‘asm’ OpenCV

The first link is the OpenCV Bug report:

http://code.opencv.org/issues/3983

The second link leads to a very similar question here on answers.opencv.org, where there are also several possible solutions:

http://answers.opencv.org/question/45836/problem-in-installing-opencv-in-ubntu-1204-32-bit-system/

So first thing would be to update your compiler.