lt388"></A><A NAME="@obj30"></A></P><P>Parent objects: <CODE>Exception</CODE>.</P><P>The <CODE>UnbuildableException</CODE> object should be used to signal that a target
is not buildable. It will be caught by functions such as
<CODE><A HREF="omake-system.html#fun:target-exists">target-exists</A></CODE>.
This exception has the following fields:</P><UL CLASS="itemize"><LI CLASS="li-itemize">
<CODE>target</CODE>: indicates which target is not buildable.
</LI><LI CLASS="li-itemize"><CODE>message</CODE>: a string