#!/bin/bash

 #

 # $Id$

 #

 # mk - build Pure Isabelle.

 #

 # Assumes to be called via Isabelle make utility (cf. IsaMakefile).

 ## diagnostics

 function fail()

 {

   echo "$1" >&2

   exit 2

 }

 ## main

 ML_SYSTEM_BASE=$(echo $ML_SYSTEM | cut -f1 -d-)

 [ -z "$ML_SYSTEM" ] && \

   fail "Missing ML system settings! Probably not run via 'isatool make'?."

 COMPAT=""

 [ -f "ML-Systems/$ML_SYSTEM_BASE.ML" ] && COMPAT="ML-Systems/$ML_SYSTEM_BASE.ML"

 [ -f "ML-Systems/$ML_SYSTEM.ML" ] && COMPAT="ML-Systems/$ML_SYSTEM.ML"

 [ -z "$COMPAT" ] && fail "Missing compatibility file for ML system \"$ML_SYSTEM\"!"

 $ISABELLE \

   -e "val ml_system = \"$ML_SYSTEM\";" \

   -e "use\"$COMPAT\"; use\"ROOT.ML\" handle _ => exit 1;" \

   -q RAW_ML_SYSTEM Pure

 chmod -w $ISABELLE_OUTPUT/Pure