#!/bin/sh

if [ -z "$1" -o -z "$2" -o -z "$3" ]; then
cat <<EOF
This is a driver script allowing DrIFT to be used seamlessly with ghc.
in order to use it, pass '-pgmF drift-ghc -F' to ghc when compiling your
programs.
EOF
exit 1;
fi


prefix=@prefix@
exec_prefix=@exec_prefix@
if grep -q '{-!' "$2"; then
    echo @bindir@/DrIFT "$2" -o "$3";
    @bindir@/DrIFT "$2" -o "$3";
else
    echo "{-# LINE 1 \"$1\" #-}" > "$3"
    cat "$2" >> "$3";
fi