#!/usr/bin/env bash
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OPENBLAS_VERSION=0.3.13
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WGET=${WGET:-wget}
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set -e
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if ! command -v gfortran 2>/dev/null; then
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echo "$0: gfortran is not installed. Please install it, e.g. by:"
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echo " apt-get install gfortran"
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echo "(if on Debian or Ubuntu), or:"
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echo " yum install gcc-gfortran"
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echo "(if on RedHat/CentOS). On a Mac, if brew is installed, it's:"
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echo " brew install gfortran"
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exit 1
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fi
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tarball=OpenBLAS-$OPENBLAS_VERSION.tar.gz
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rm -rf xianyi-OpenBLAS-* OpenBLAS OpenBLAS-*.tar.gz
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if [ -d "$DOWNLOAD_DIR" ]; then
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cp -p "$DOWNLOAD_DIR/$tarball" .
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else
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url=$($WGET -qO- "https://api.github.com/repos/xianyi/OpenBLAS/releases/tags/v${OPENBLAS_VERSION}" | python -c 'import sys,json;print(json.load(sys.stdin)["tarball_url"])')
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test -n "$url"
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$WGET -t3 -nv -O $tarball "$url"
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fi
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tar xzf $tarball
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mv xianyi-OpenBLAS-* OpenBLAS
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make PREFIX=$(pwd)/OpenBLAS/install USE_LOCKING=1 USE_THREAD=0 -C OpenBLAS all install
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if [ $? -eq 0 ]; then
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echo "OpenBLAS is installed successfully."
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rm $tarball
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fi
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