#!@SHELL@

BIN_DIR=@BINDIR@

SML=$BIN_DIR/sml
LINK=$BIN_DIR/.link-sml

thisscript=$0

xx=$$
smlfile=$xx-export.sml
cmfile=$xx-export.cm
listfile=$xx-BOOTLIST
mlscript=$xx-script

trap 'rm -rf $smlfile $cmfile $listfile $mlscript' 0 1 2 3 15

usage() {
    echo ${thisscript}: $*
    echo Usage: $thisscript root-group main-function heapfile
    exit 1
}

if [ $# != 3 ] ; then
    usage wrong number of arguments
fi

root=$1
main=$2
heap=$3

rare=XYZ_XXX_0123

cat >$smlfile <<EOF
structure ${rare} = struct val _ = SMLofNJ.exportFn ("${heap}", ${main}) end
EOF

cat >$cmfile <<EOF
Group structure ${rare} is basis.cm ${root} ${smlfile}
EOF

cat >$mlscript <<EOF
OS.Process.exit ((case CM.mk_standalone NONE "${cmfile}" of
   NONE => OS.Process.failure
 | SOME l => let val s = TextIO.openOut "${listfile}"
   in app (fn str => TextIO.output (s, str ^ "\n")) l;
      TextIO.closeOut s;
      OS.Process.success
   end)
   handle _ => OS.Process.failure)
EOF

if $SML full-cm.cm <$mlscript ; then
    $LINK @SMLboot=$listfile $
else
    echo Compilation failed.
    exit 1
fi