Re: Simplify passing of configure arguments to pg_config

On 2019-12-04 11:30, Peter Eisentraut wrote:
> On 2019-12-03 06:03, Tom Lane wrote:
>> Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> writes:
>>> Currently, configure puts the configure args into the makefiles and
>>> then have the makefiles pass them to the build of pg_config. That looks
>>> like an unnecessary redirection, and indeed that method was
>>> put in place when pg_config was a shell script. We can simplify that
>>> by having configure put the value into pg_config.h directly. This
>>> also makes the standard build system match how the MSVC build system
>>> already does it.
>>
>> I dunno, is this really an improvement? It makes the handling of
>> VAL_CONFIGURE different from every other one of the values passed
>> into pg_config, and I don't see any countervailing addition of
>> some other regularity.
>
> The other values come from the makefiles, so we have to do it that way.
> The configure args come from configure, so why make them go through the
> makefile? (PG_VERSION also comes in that way. ;-) )
>
> There is also the weird difference with how the MSVC build system
> handles it. It appends VAL_CONFIGURE to pg_config.h instead of passing
> it on the command line.

Here is an updated version of the patch after the removal of
pg_config.h.win32. It's easier to see now how this helps unify the
handling of this between the two build systems.

--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services