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Re: Dumb shlib build rules cause regression test failures

From: Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL Developers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Dumb shlib build rules cause regression test failures
Date: 2004-10-24 07:45:20
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
Dear Tom,

> The obvious solution to this is to use Makefile.shlib all the time,
> but there's a problem: Makefile.shlib is only designed to build a single
> shlib per build subdirectory, and contrib/spi wants to build several.
> I don't see any easy way to rejigger Makefile.shlib to support multiple
> shared libraries at once --- anyone see a way?
> A klugy workaround is to build all the modules in contrib/spi into a
> single shared library.  This is ugly but I can't level any worse charge
> than "ugly" against it.

If I just want one extension, I would like to load only that extension. So
I'm really against an artificial "ugly" merge. But it seems ok to me if it
is not artificial.

> The other contrib modules build no more than one shared library apiece,
> and could trivially be converted to the MODULE_big build path.  Or more
> likely, redefine the MODULES case in to support only one module
> in a directory, and use Makefile.shlib all the time.

If the makefile needs a lot of work to build several shared libs, I would
suggest to split contrib/spi and possibly others on a one shared lib per
directory basis: contrib/spi_this, contrib/spi_that, contrib/spi_thing,
and thus to rely on Makefile.shlib all the time as you suggest.

Directories are cheap, and I don't think it is bad to separate different
contributions clearly.

On the other hand, if some distinct libs really belong together, then
merge them.

Just my very humble little opinion;-)

Have a nice day,

Fabien Coelho - coelho(at)cri(dot)ensmp(dot)fr

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