stereo_image_proc build error

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I am using opencv 3

[ 40%] Building CXX object CMakeFiles/stereo_image_proc.dir/src/libstereo_image_proc/processor.cpp.o
In file included from 

 /Users/Matt/ros_catkin_ws/src/image_pipeline/stereo_image_proc/src/libstereo_image_proc/processor.cpp:35:
 /Users/Matt/ros_catkin_ws/src/image_pipeline/stereo_image_proc/include/stereo_image_proc/processor.h:67:22: error: 
    use of undeclared identifier 'createStereoBM'
    block_matcher_ = createStereoBM();