AC_DEFUN([AC_PROG_SCILAB],[
AC_REQUIRE([AC_EXEEXT])dnl
AC_PATH_PROG(SCILAB, scilab$EXEEXT, nocommand)
if test "$SCILAB" = nocommand; then
        AC_MSG_ERROR([scilab not found in $PATH])
else
	SCILAB=`readlink -f "$SCILAB"`
	SCILAB_INC=`dirname "$SCILAB"`
	SCILAB_INC=`dirname "$SCILAB_INC"`
	SCILAB_INC="$SCILAB_INC/routines"

	AC_DEFINE([HAVE_SCILAB], [], [Define if scilab is present])
	AC_SUBST(SCILAB)
	AC_SUBST(SCILAB_INC)
fi;dnl
])