prepare_mkl.sh

#!/bin/bash

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# set -ex
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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
HOME_MKL=$1
if [ ! -d "$HOME_MKL" ]; then
   mkdir $HOME_MKL
fi
MXNET_ROOT=`dirname $0`
USE_MKLML=0
# NOTE: if you update the following line, please also update the dockerfile at
# tests/ci_build/Dockerfile.mkl
VERSION_MATCH=20170425
ARCHIVE_BASENAME=mklml_lnx_2018.0.20170425.tgz
MKL_CONTENT_DIR=`echo $ARCHIVE_BASENAME | rev | cut -d "." -f 2- | rev`
MKLURL="https://github.com/01org/mkl-dnn/releases/download/v0.7/$ARCHIVE_BASENAME"
# there are diffrent MKL lib to be used for GCC and for ICC
reg='^[0-9]+$'
VERSION_LINE=`GetVersionName $MKLROOT`
#echo $VERSION_LINE
# Check if MKLROOT is set if positive then set one will be used..
if [ -z $MKLROOT ]; then
  # ..if MKLROOT is not set then check if we have MKL downloaded in proper version
    VERSION_LINE=`GetVersionName $HOME_MKL`
    #echo $VERSION_LINE
    if [ $VERSION_LINE -lt $VERSION_MATCH ] ; then
      #...If it is not then downloaded and unpacked
      wget --quiet --no-check-certificate -P $MXNET_ROOT $MKLURL -O $MXNET_ROOT/$ARCHIVE_BASENAME
      tar -xzf $MXNET_ROOT/$ARCHIVE_BASENAME -C $MXNET_ROOT
      #echo $HOME_MKL
      yes | cp -rf $MXNET_ROOT/$MKL_CONTENT_DIR/* $HOME_MKL
      rm -rf $MXNET_ROOT/$MKL_CONTENT_DIR
    fi
  MKLLIB=`find $HOME_MKL -name libmklml_gnu.so`
  MKLROOT=`echo $MKLLIB | sed -e 's/lib.*$//'`
fi

# Check what MKL lib we have in MKLROOT
if [ -z `find $MKLROOT -name libmklml_gnu.so -print -quit` ]; then
  USE_MKLML=0
elif [ -z `find $MKLROOT -name libmkl_core.so -print -quit` ]; then
  USE_MKLML=1
fi

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