tools/dependencies/cityhash.sh

#!/usr/bin/env bash

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#
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# This script builds the static library of cityhash that can be used as dependency of mxnet.
set -ex
CITYHASH_VERSION=1.1.1
if [[ $PLATFORM == 'darwin' ]]; then
    DY_EXT="dylib"
else
    DY_EXT="so"
fi

if [[ ! -f $DEPS_PATH/lib/libcityhash.a ]]; then
    # Download and build cityhash
    >&2 echo "Building cityhash..."
    git clone https://github.com/google/cityhash $DEPS_PATH/cityhash-$CITYHASH_VERSION
    pushd .
    cd $DEPS_PATH/cityhash-$CITYHASH_VERSION
    git reset --hard 8af9b8c2b889d80c22d6bc26ba0df1afb79a30db
    ./configure -prefix=$DEPS_PATH --enable-sse4.2
    $MAKE CXXFLAGS="-g -O3 -msse4.2"
    $MAKE install
    rm $DEPS_PATH/lib/*cityhash*$DY_EXT*
    popd
fi