Build OpenCV

1. Prerequisite
• ffmpeg
• build with pic "--enable-pic"
• build shared "--enable-shared" (optional)
• numpy
• libgfortran
• Intel TBB
  
2.  Build
   tar xjf OpenCV-2.4.3.tar.bz2
   cd OpenCV-2.4.3
   mkdir release
   cd release
   cmake .. -D CMAKE_INSTALL_PATH=$topt -D PYTHON_LIBRARY=$topt/lib/libpython2.7.a -D PYTHON_INCLUDE_DIR=$topt/include/python2.7 -D PYTHON_PACKAGES_PATH=$topt/lib/python -D WITH_TBB=ON -D TBB_LIB_DIR=$topt/lib/cc.4.1.0_libc2.4_kernel2.6.16.21
   make
   make install