Horton

Re: meson: Add support for building with precompiled headers

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
Cc: pgsql-hackers@postgresql.org, Thomas Munro <thomas.munro@gmail.com>, Justin Pryzby <pryzby@telsasoft.com>, Michael Paquier <michael.paquier@gmail.com>, Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Date: 2022-10-05T20:21:55Z
Lists: pgsql-hackers 
Andres Freund <andres@anarazel.de> writes:
> On 2022-10-05 16:09:14 -0400, Tom Lane wrote:
>> Color me confused, but how does it work to #define that from the command
>> line if it can't be overridden from within the program?

> If specified on the commandline it's also used when generating the precompiled
> header - of course that's not possible when it's just #define'd in some .c
> file.

Ah, so there's a separate cache of precompiled headers for each set of
compiler command-line arguments?  Got it.

			regards, tom lane

Commits

  1. windows: Adjust FD_SETSIZE via commandline define