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From: Jonathan Wakely <jwakely.gcc@gmail.com>
To: Hei Chan <structurechart@yahoo.com>
Cc: "gcc-help@gcc.gnu.org" <gcc-help@gcc.gnu.org>
Subject: Re: Expected Behavior in Mixing -std=c++0x and default std?
Date: Tue, 08 Apr 2014 14:31:00 -0000	[thread overview]
Message-ID: <CAH6eHdQcEuPYv0zdQtZ2cxC_f6G3UBgJrVDgpQ_eSrvWAfyEvQ@mail.gmail.com> (raw)
In-Reply-To: <1396944400.37620.YahooMailNeo@web165001.mail.bf1.yahoo.com>

On 8 April 2014 09:06, Hei Chan wrote:
> Hi,
>
> If I have a static library A that builds with default std with another header only library B, and then my program links library A and uses some classes in library B with -std=c++0x.  Will this usage create any issue?
>
> I am running into an issue that one of the member variables in library B (boost ASIO to be precise) has a different memory address (only off by 4 bytes) over time.
>
> Any input is welcome.
>
> Thanks in advance.
>
>
> Cheers,
> Hei
> P.S. I am using GCC 4.6.x on CentOS 6.5.

With GCC 4.6.x, 4.7.2 or 4.8.x that should work OK.  With GCC 4.7.0 or
4.7.1 there would be a problem if B uses std::list.

You should be able to find why the offset of the ASIO type changed, it
might not be due to a std::lib type.

  reply	other threads:[~2014-04-08 14:31 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-08  8:06 Hei Chan
2014-04-08 14:31 ` Jonathan Wakely [this message]
2014-04-08 22:44   ` Hei Chan

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