more robust command invocation via ISABELLE_JDK_HOME or SCALA_HOME (NB: bash exec requires genuine executable, not function);
#!/usr/bin/env bash
#
# Author: Markus Wenzel, TU Muenchen
#
# DESCRIPTION: Isabelle make utility
PRG="$(basename "$0")"
function usage()
{
echo
echo "Usage: isabelle $PRG [ARGS ...]"
echo
echo " Compile the logic in current directory using IsaMakefile."
echo " ARGS are directly passed to the system make program."
echo
exit 1
}
## main
[ "$1" = "-?" ] && usage
exec make -f IsaMakefile "$@"