On Thu, 04 Sep 2003, Simon J. Gerraty wrote:
> All I (and many others) want right now is the moral equiv of "make -V
> FOO" and be able to get it expanded all the way.  Getting tansient
> variables like .TARGET substituted correctly is a more complex thing
> too.
>
> My current implementation (patch below) uses ':' or '$' at the
> start of the variable to cause Var_Subst to be used in addition to
> Var_Value.

The interface specification looks fine to me.

The implementation might benefit from a comment explaining why it
doesn't matter if strchr() finds a '$' that happens to be preceded by a
backslash.  At first, I thought that a bug was lurking there.

--apb (Alan Barrett)