AC_INIT(configuration.ml.in)

if test "x$prefix" != xNONE; then
  RESOLVED_PREFIX=$prefix
else
  RESOLVED_PREFIX=$ac_default_prefix
fi

if test "x$exec_prefix" != xNONE; then
  RESOLVED_EXEC_PREFIX=$exec_prefix
else
  RESOLVED_EXEC_PREFIX=$RESOLVED_PREFIX
fi


dnl MISSING CHECKS:
dnl ocaml, ocaml-findlib, ocaml-netstring, ocaml-pxp, lablgtk_20001129
dnl lablgtk-20001129_gtkmathview

dnl General
AC_MSG_CHECKING("for the ocaml library dir")
OCAML_ROOT=`ocamlc -v | grep "^Standard" | sed 's/^.*: *//'`
AC_MSG_RESULT($OCAML_ROOT)

AC_MSG_CHECKING("for the bin dir")
HELM_BIN_DIR=$RESOLVED_EXEC_PREFIX/bin
AC_MSG_RESULT($HELM_BIN_DIR)

AC_MSG_CHECKING("for the helm configuration dir")
RES=""
AC_CACHE_VAL(helm_cv_HELM_DEFAULT_CONFIGURATION_DIR,
  echo "In which directory can I find configuration.xml (part of the helm_configuration package)?"
  read helm_cv_HELM_DEFAULT_CONFIGURATION_DIR
  RES="Asked"
)
HELM_DEFAULT_CONFIGURATION_DIR=$helm_cv_HELM_DEFAULT_CONFIGURATION_DIR
if test "$RES" != "Asked" ; then
   HELM_DEFAULT_CONFIGURATION_DIR=`eval "echo $HELM_DEFAULT_CONFIGURATION_DIR"`
   AC_MSG_RESULT($HELM_DEFAULT_CONFIGURATION_DIR)
fi
AC_CACHE_SAVE

AC_PATH_PROG(PERL_BINARY,perl,no)
if test $PERL_BINARY = no ; then
   AC_MSG_ERROR(Could not find perl)
fi

AC_SUBST(OCAML_ROOT)
AC_SUBST(HELM_BIN_DIR)
AC_SUBST(HELM_DEFAULT_CONFIGURATION_DIR)
AC_SUBST(PERL_BINARY)

AC_OUTPUT([Makefile configuration.ml helm_wget], chmod +x helm_wget)