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Re: gcc 4.8 runtime compat on older machines

From: Christopher Jones <christopher dot jones at oracle dot com>
To: Jonathan Wakely <jwakely dot gcc at gmail dot com>
Cc: libstdc++ <libstdc++ at gcc dot gnu dot org>, Paolo Carlini <paolo dot carlini at oracle dot com>, Jonathan Wakely <jwakely at redhat dot com>, Krishna Mohan IV <krishna dot mohan at oracle dot com>
Date: Thu, 22 Oct 2015 06:13:40 +1100
Subject: Re: gcc 4.8 runtime compat on older machines
Authentication-results: sourceware.org; auth=none
References: <5627D079 dot 9010500 at oracle dot com> <CAH6eHdT0j8wjhFe8yOjL9Kc-JQW4ovFPVj1Q-tVQymNfhRDoCQ at mail dot gmail dot com>



On 22/10/2015 5:47 am, Jonathan Wakely wrote:

On 21 October 2015 at 18:50, Christopher Jones wrote:


I'm working on a C++ project that uses third party code needing a C++
11 compatible compiler.  We can use RHEL7 / Oracle Linux 7 with gcc
4.8.2 to build, but not RHEL 6 / Oracle Linux 6 which has gcc 4.4.  If
users want to run an RHEL7/OL7-built executable on RHEL6/OL6, is there
any compat package that can be used?


No, you would need (at least) newer glibc and libstdc++ DSOs on the
RHEL6 system.

  Alternatively, is there a clean
way to install gcc 4.8 on RHEL6/OL6?


Yes, you can use the Developer Toolset:
https://access.redhat.com/documentation/en/red-hat-developer-toolset/

Or just build your own GCC on RHEL6.


True indeed.

Thanks very much,

Chris

--
http://twitter.com/ghrd

References:
- gcc 4.8 runtime compat on older machines
  - From: Christopher Jones
- Re: gcc 4.8 runtime compat on older machines
  - From: Jonathan Wakely

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