| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com> |
| Subject: | Re: meson: Add support for building with precompiled headers |
| Date: | 2022-10-05 20:21:55 |
| Message-ID: | 2551678.1665001315@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Andres Freund <andres(at)anarazel(dot)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
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