dnl Process this file with autoconf to produce a configure script.

AC_INIT(install-sh)
AC_PREREQ([2.50])

AC_SUBST(PL)
AC_SUBST(PLBASE)
AC_SUBST(PLARCH)

# Do not cache this, it changes too often in many configurations
unset ac_cv_prog_PL

if test -z "$PLINCL"; then
plcandidates="swi-prolog swipl pl"
AC_CHECK_PROGS(PL, $plcandidates, "none")
if test $PL = "none"; then
   AC_ERROR("Cannot find SWI-Prolog. SWI-Prolog must be installed first")
else
   AC_CHECKING("Running $PL -dump-runtime-variables")
   eval `$PL -dump-runtime-variables`
fi
AC_MSG_RESULT("		PLBASE=$PLBASE")
AC_MSG_RESULT("		PLARCH=$PLARCH")
else
PL=../pl.sh
fi

AC_CHECK_PROGS(MAKE, gmake make, "make")
AC_PROG_INSTALL

AC_OUTPUT(Makefile)