From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Andres Freund <andres(at)anarazel(dot)de> |
Cc: | Piotr Stefaniak <postgres(at)piotr-stefaniak(dot)me>, Bruce Momjian <bruce(at)momjian(dot)us>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Pg Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
Subject: | Re: pg_bsd_indent compiles bytecode |
Date: | 2020-06-30 01:27:48 |
Message-ID: | 445644.1593480468@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
I wrote:
> Andres Freund <andres(at)anarazel(dot)de> writes:
>> The way that pg_bsd_indent defines its variables isn't standard C, as
>> far as I can tell, which explains the errors I was getting. All the
>> individual files include indent_globs.h, which declares/defines a bunch
>> of variables. Since it doesn't use extern, they'll all end up as full
>> definitions in each .o when -fno-common is used (the default now), hence
>> the multiple definition errors. The only reason it works with -fcommon
>> is that they'll end up processed as weak symbols and 'deduplicated' at
>> link time.
> Ugh. I agree that's pretty bogus, even if there's anything in the
> C standard that allows it. I'll put it on my to-do list.
I pushed the attached patch to the pg_bsd_indent repo. Perhaps Piotr
would like to absorb it into upstream.
I don't intend to mark pg_bsd_indent with a new release number for
this --- for people who successfully compiled, it's the same as before.
regards, tom lane
Attachment | Content-Type | Size |
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fix-dup-globals-in-pg_bsd_indent.patch | text/x-diff | 11.3 KB |
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