Re: Extensions vs PGXS' MODULE_PATHNAME handling

Dimitri Fontaine <dimitri@2ndQuadrant.fr> writes:
> Tom Lane <tgl@sss.pgh.pa.us> writes:
>> I'm hesitant to have any substitutions that happen unconditionally,
>> but we could add a control parameter like
>> module_pathname = '$libdir/hstore'
>> and then things would be pretty clean.

> Ok.  Maybe the simpler would be to make the current control variable a
> static backend variable so that EXT_CONTROL(module_pathname) is easy to
> find out from anywhere (I see you got rid of some direct usage of static
> variables with recordDependencyOnCurrentExtension() already).

I think it's better to keep it working as a textual substitution.
That poses the least risk of breaking scripts that work today ---
who's to say that somebody might not be relying on the substitution
happening someplace else than CREATE FUNCTION's shlib string?
        regards, tom lane