prepare_mkl.sh

#!/bin/bash
# set -ex
#
# All modification made by Intel Corporation: © 2016 Intel Corporation
#
# All contributions by the University of California:
# Copyright (c) 2014, 2015, The Regents of the University of California (Regents)
# All rights reserved.
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# All other contributions:
# Copyright (c) 2014, 2015, the respective contributors
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# For the list of contributors go to https://github.com/BVLC/caffe/blob/master/CONTRIBUTORS.md
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#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
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#     * Redistributions of source code must retain the above copyright notice,
#       this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
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#       documentation and/or other materials provided with the distribution.
#     * Neither the name of Intel Corporation nor the names of its contributors
#       may be used to endorse or promote products derived from this software
#       without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
FindLibrary()
{
  case "$1" in
    intel|1)
      LOCALMKL=`find $DST -name libmklml_intel.so`   # name of MKL SDL lib
      ;;
    *)
      LOCALMKL=`find $DST -name libmklml_gnu.so`   # name of MKL SDL lib
      ;;
  esac

}

GetVersionName()
{
VERSION_LINE=0
if [ $1 ]; then
  VERSION_LINE=`grep __INTEL_MKL_BUILD_DATE $1/include/mkl_version.h 2>/dev/null | sed -e 's/.* //'`
fi
if [ -z $VERSION_LINE ]; then
  VERSION_LINE=0
fi
echo $VERSION_LINE  # Return Version Line
}

# MKL
DST=`dirname $0`
OMP=0
VERSION_MATCH=20120601
ARCHIVE_BASENAME=mklml_lnx_2017.0.1.20161005.tgz
MKL_CONTENT_DIR=`echo $ARCHIVE_BASENAME | rev | cut -d "." -f 2- | rev`
MKLURL="https://github.com/dmlc/web-data/raw/master/mxnet/mklml-release/$ARCHIVE_BASENAME"
# there are diffrent MKL lib to be used for GCC and for ICC
reg='^[0-9]+$'
VERSION_LINE=`GetVersionName $MKLROOT`
# Check if MKLROOT is set if positive then set one will be used..
if [ -z $MKLROOT ] || [ $VERSION_LINE -lt $VERSION_MATCH ]; then
	# ..if MKLROOT is not set then check if we have MKL downloaded in proper version
    VERSION_LINE=`GetVersionName $DST/$MKL_CONTENT_DIR`
    if [ $VERSION_LINE -lt $VERSION_MATCH ] ; then
      #...If it is not then downloaded and unpacked
      wget --no-check-certificate -P $DST $MKLURL -O $DST/$ARCHIVE_BASENAME
      tar -xzf $DST/$ARCHIVE_BASENAME -C $DST
    fi
  FindLibrary $1
  MKLROOT=$PWD/`echo $LOCALMKL | sed -e 's/lib.*$//'`
fi

# Check what MKL lib we have in MKLROOT
if [ -z `find $MKLROOT -name libmkl_rt.so -print -quit` ]; then
  LIBRARIES=`basename $LOCALMKL | sed -e 's/^.*lib//' | sed -e 's/\.so.*$//'`
  OMP=1
else
  LIBRARIES="mkl_rt"
fi


# return value to calling script (Makefile,cmake)
echo $MKLROOT $LIBRARIES $OMP