Re: __attribute__ for non-gcc compilers

From: Oskari Saarenmaa <os(at)ohmu(dot)fi>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Andres Freund <andres(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: __attribute__ for non-gcc compilers
Date: 2015-02-23 09:57:58
Message-ID: 54EAF9A6.1090903@ohmu.fi
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23.02.2015, 04:31, Robert Haas kirjoitti:
> On Tue, Feb 17, 2015 at 8:41 AM, Oskari Saarenmaa <os(at)ohmu(dot)fi> wrote:
>> 15.01.2015, 21:58, Robert Haas kirjoitti:
>>> On Wed, Jan 14, 2015 at 5:54 PM, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:
>>>> I think I'd for now simply not define pg_attribute_aligned() on
>>>> platforms where it's not supported, instead of defining it empty. If we
>>>> need a softer variant we can name it pg_attribute_aligned_if_possible or
>>>> something.
>>>>
>>>> Sounds sane?
>>>
>>> Yes, that sounds like a much better plan.
>>
>> Attached an updated patch rebased on today's git master that never
>> defines aligned or packed empty.
>>
>> This is also included in the current commitfest,
>> https://commitfest.postgresql.org/4/115/
>
> Is this going to play nicely with pgindent?

I ran pgindent on the tree with this patch applied (with a few changes,
pgindent modified atomics headers a bit) and the changes looked ok to
me, mostly pgindent just rewrapped lines like this:

-extern void quickdie(SIGNAL_ARGS) pg_attribute_noreturn;
+extern void
+quickdie(SIGNAL_ARGS) pg_attribute_noreturn;

but there were two cases where it produced a bit weird indentation:

#ifdef __arm__
-pg_attribute_packed /* Appropriate whack upside the
head for ARM */
+ pg_attribute_packed /* Appropriate whack upside
the head for ARM */
#endif
ItemPointerData;

and

void
-pg_attribute_noreturn
+ pg_attribute_noreturn
plpgsql_yyerror(const char *message)
{

/ Oskari

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