set -xe

ghc --version

curl https://www.stackage.org/lts-23.28/cabal.config | \

sed -e 's/with-compiler: .*$//g' |\

sed -e 's/.*inline-c.*//g' > cabal.project.freeze

case "$(uname)" in

"Darwin")

TOTAL_MEM_GB=$(sysctl hw.memsize | awk '{print int($2/1024/1024/1024)}')

NUM_CPU=$(sysctl -n hw.ncpu)

GHC_OPTIONS="-optl-ld_classic"

;;

"Linux")

TOTAL_MEM_GB=$(grep MemTotal /proc/meminfo | awk '{print int($2/1024/1024)}')

NUM_CPU=$(nproc --all)

GHC_OPTIONS=""

;;

USED_MEM_GB=$(echo "$TOTAL_MEM_GB" | awk '{print int(($1 + 1) / 2)}')

USED_NUM_CPU=$(echo "$NUM_CPU" | awk '{print int(($1 + 1) / 2)}')

USED_NUM_CPU=$(echo "$USED_MEM_GB" "$USED_NUM_CPU" | awk '{if($1<$2) {print $1} else {print $2}}')

USED_MEM_GB=$(echo "$USED_NUM_CPU" | awk '{print ($1)"G"}')

USED_MEMX2_GB=$(echo "$USED_NUM_CPU" | awk '{print ($1 * 2)"G"}')

cat <<EOF > cabal.project.local