Hi, I am very new to Numpy and trying to build Numpy 1.6.1 with Intel MKL 10.3.6 and getting the following errors. $python setup.py config --compiler=intel build_clib --compiler=intel build_ext --compiler=intel install Running from numpy source directory.F2PY Version 2 blas_opt_info: blas_mkl_info: libraries mkl_def,mkl_intel_lp64,mkl_intel_thread,mkl_core,iomp5md not found in /opt/intel/composer_xe_2011_sp1/mkl/lib/intel64 NOT AVAILABLE I have modified the site.cfg as below. [mkl] library_dirs = /opt/intel/composer_xe_2011_sp1/mkl/lib/intel64 include_dirs = /opt/intel/composer_xe_2011_sp1/mkl/include mkl_libs = mkl_def,mkl_intel_lp64,mkl_intel_thread,mkl_core,iomp5md lapack_libs = mkl_lapack_lp64 Environment variables are also set to point to mkl libraries. source /opt/intel/composer_xe_2011_sp1/bin/compilervars.sh intel64 lp64 export OMP_NUM_THREADS=4 LD_LIBRARY_PATH="/opt/intel/composer_xe_2011_sp1/mkl/lib/intel64:${LD_LIBRARY_PATH}"; export LD_LIBRARY_PATH export LD_RUN_PATH=/opt/lib:/opt1/composer_xe_2011_sp1/lib/intel64:/opt/composer_xe_2011_sp1/mkl/lib/intel64 Can anyone help me?