#!/bin/bash
#
set -e

lfscrepo="https://github.com/CVC4/LFSC.git"
dirname="lfsc-checker"


cd "$(dirname "$0")/.."

if ! [ -e src/parser/cvc/Cvc.g ]; then
  echo "$(basename $0): I expect to be in the contrib/ of a CVC4 source tree," >&2
  echo "but apparently:" >&2
  echo >&2
  echo "  $(pwd)" >&2
  echo >&2
  echo "is not a CVC4 source tree ?!" >&2
  exit 1
fi

function gitclone {
  if which git &> /dev/null
  then
    git clone "$1" "$2"
  else
    echo "Need git to clone LFSC checker. Please install git." >&2
    exit 1
  fi
}

if [ -e lfsc-checker ]; then
  echo 'error: file or directory "lfsc-checker" already exists!' >&2
  exit 1
fi

mkdir $dirname
cd $dirname

LFSC_PATH=`pwd`

gitclone $lfscrepo .
mkdir install
mkdir build
cd build
cmake -DCMAKE_INSTALL_PREFIX:PATH=$LFSC_PATH/install ..
make install
cd ..

echo
echo ===================== Now configure CVC4 with =====================
echo ./configure --with-lfsc