src/Tools/Code/etc/settings

clarified example settings for Proof General;

# -*- shell-script -*- :mode=shellscript:

ISABELLE_TOOLS="$ISABELLE_TOOLS:$COMPONENT/lib/Tools"

EXEC_GHC="$(choosefrom \
  "$ISABELLE_HOME/contrib/ghc/$ISABELLE_PLATFORM/ghc" \
  "$ISABELLE_HOME/../ghc/$ISABELLE_PLATFORM/ghc" \
  "$(type -p ghc)" \
  "")"

EXEC_OCAML="$(choosefrom \
  "$ISABELLE_HOME/contrib/ocaml/$ISABELLE_PLATFORM/ocaml" \
  "$ISABELLE_HOME/../ocaml/$ISABELLE_PLATFORM/ocaml" \
  "$(type -p ocaml)" \
  "")"