Hi Peter,

Making another pass at this proposal, I’m a bit confused by this issue:

On Nov 12, 2024, at 09:44, David E. Wheeler <da...@justatheory.com> wrote:

>>>> - The biggest problem is that many extensions set in their control file
>>>> 
>>>>   module_pathname = '$libdir/foo'
>>>> 
>>>> This disables the use of dynamic_library_path, so this whole idea of 
>>>> installing an extension elsewhere won't work that way.  The obvious 
>>>> solution is that extensions change this to just 'foo'.  But this will 
>>>> require a lot updating work for many extensions, or a lot of patching by 
>>>> packagers.
> 
> Yeah, '$libdir/foo' has been the documented way to do it for quite some time, 
> as I recall. Perhaps the behavior of the MODULE_PATHNAME replacement function 
> could be changed to omit $libdir when writing the SQL files?

Elsewhere you write:

> Nothing changes about shared library files.  They are looked up in 
> dynamic_library_path or any hardcoded file name.

And also point out that the way to install them is:

```
make install datadir=/else/where/share pkglibdir=/else/where/lib
```

So as long as dynamic_library_path includes /else/where/lib it should work, 
just as before, no?

Best,

David



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