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quantum_package/install/scripts/install_ocaml.sh

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#!/bin/bash
cd ..
QP_ROOT=$PWD
cd -
# Normal installation
PACKAGES="core cryptokit zarith ocamlfind sexplib ZMQ"
#ppx_sexp_conv
# Needed for ZeroMQ
export C_INCLUDE_PATH="${QP_ROOT}"/lib:"${C_INCLUDE_PATH}"
export LIBRARY_PATH="${QP_ROOT}"/lib:"${LIBRARY_PATH}"
export LD_LIBRARY_PATH="${QP_ROOT}"/lib:"${LD_LIBRARY_PATH}"
# return 0 if program version is equal or greater than check version
check_version () {
if [[ $1 == $2 ]]
then
return 0
fi
local IFS=.
local i ver1=($1) ver2=($2)
# fill empty fields in ver1 with zeros
for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
do
ver1[i]=0
done
for ((i=0; i<${#ver1[@]}; i++))
do
if [[ -z ${ver2[i]} ]]
then
# fill empty fields in ver2 with zeros
ver2[i]=0
fi
if ((10#${ver1[i]} > 10#${ver2[i]}))
then
return 1
fi
if ((10#${ver1[i]} < 10#${ver2[i]}))
then
return 2
fi
done
return 0
}
i=$(gcc -dumpversion)
check_version 4.6 $i
if [[ $? == 1 ]]
then
echo "GCC version $(gcc -dumpversion) too old. GCC >= 4.6 required."
exit 1
fi
if [[ -d ${HOME}/.opam ]]
then
source ${HOME}/.opam/opam-init/init.sh > /dev/null 2> /dev/null || true
fi
cd Downloads || exit 1
chmod +x ocaml.sh || exit 1
echo N | ./ocaml.sh ${QP_ROOT}/bin/ || exit 1
${QP_ROOT}/bin/opam config setup -a -q || exit 1
export LD_LIBRARY_PATH=${QP_ROOT}/lib:${LD_LIBRARY_PATH}
export LIBRARY_PATH=${QP_ROOT}/lib:${LIBRARY_PATH}
export C_INCLUDE_PATH=${QP_ROOT}/lib:${C_INCLUDE_PATH}
source ${HOME}/.opam/opam-init/init.sh > /dev/null 2> /dev/null || true
NCPUs=$(cat /proc/cpuinfo | grep -i MHz | wc -l)
${QP_ROOT}/bin/opam install -j ${NCPUs} ${PACKAGES} -y -q || exit 1
rm -f ../_build/ocaml.log