From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alex Vong <alexvong1995@gmail.com>
Subject: Re: [PATCH 1/2] daemon: Fix '--version'.
Date: Fri, 02 Sep 2016 09:00:54 +0800
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In-Reply-To: <871t13q0it.fsf@gnu.org> ("Ludovic
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To: Ludovic =?utf-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Cc: guix-devel@gnu.org

ludo@gnu.org (Ludovic Court=C3=A8s) 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 =E2=80=98gcc=E2=80=99 (and rename to foo.c) inst=
ead of =E2=80=98g++=E2=80=99?
>
> It might be a symbol visibility problem, or name mangling issue.
>
> Ludo=E2=80=99.

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?=20

Thanks,
Alex