Hi When i am trying to make OpenCv-2.4.2 i get this error:
Linking CXX executable ../../bin/opencv_perf_core /usr/lib/libavcodec.so.53: undefined reference to `speex_header_free' collect2: ld returned 1 exit status make[2]: * [bin/opencv_perf_core] Error 1 make[1]: [modules/core/CMakeFiles/opencv_perf_core.dir/all] Error 2 make: ** [all] Error 2 Please guide me. Thanks in advance