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From: Alex Vong <alexvong1995@gmail.com>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: guix-devel@gnu.org
Subject: Re: [PATCH 1/2] daemon: Fix '--version'.
Date: Fri, 02 Sep 2016 09:00:54 +0800	[thread overview]
Message-ID: <87d1knazeh.fsf@gmail.com> (raw)
In-Reply-To: <871t13q0it.fsf@gnu.org> ("Ludovic \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\= \=\?utf-8\?Q\?s\?\= message of "Thu, 01 Sep 2016 14:15:22 +0200")

ludo@gnu.org (Ludovic Courtès) writes:

> Alex Vong <alexvong1995@gmail.com> skribis:
>
[...]
>>
>> I think you have isolated the problem! This test case does not work for
>> me.
>>
>>
>> I get the following output after building with
>> (g++ -O2 -flto version.cxx):
>
> What if you compile with ‘gcc’ (and rename to foo.c) instead of ‘g++’?
>
> It might be a symbol visibility problem, or name mangling issue.
>
> Ludo’.

Hmm, I try to build with 'gcc -O2 -flto version.c' and './a.out
--version' still fails with 'unrecognized option'. I check the symbols
using 'nm' and they are not mangled. How should I check for the sign of
a symbol visibility problems? 

Thanks,
Alex

  reply	other threads:[~2016-09-02  1:01 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-24  1:34 [PATCH 1/2] daemon: Fix '--version' Alex Vong
2016-08-29  1:31 ` (ping!) " Alex Vong
2016-08-29 16:12 ` Ludovic Courtès
2016-08-30  4:29   ` Alex Vong
2016-08-31 21:13     ` Ludovic Courtès
2016-09-01  6:23       ` Alex Vong
2016-09-01 12:15         ` Ludovic Courtès
2016-09-02  1:00           ` Alex Vong [this message]
2016-09-02 12:41             ` Ludovic Courtès

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