Opencv

How to compile

in cmake-gui select these options
- run cat /proc/cpuinfo and check which "sse" options are supported. Check them in cmake file
- edit the CMakeLists.txt file and at line 1007 put these lines

               set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -mfpmath=sse")

MESSAGE(EDIT:: mfpmath=sse)

 instead of 
   set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -mfpmath=387")
 and at line 950 
               set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -march=native -mtune=native")
           	MESSAGE(EDIT:: -march=native -mtune=native)

  instead of  set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -march=i686")