Hi Andreas,

Thanks for the suggestion. I will try building without LTO. I guess, the
--without-lto is a command line option to the scons build.

BR/Nizam


On Sun, Sep 20, 2015 at 10:32 PM, Andreas Hansson <[email protected]>
wrote:

> Hi Nizam,
>
> The gem5.fast binary by default uses LTO. This optimisation step involves
> a significant amount of memory and CPU time, although it has improved a lot
> in later gcc releases. Especially if your build machine only has 8 Gbyte of
> memory, the LTO step can be very painful for older (<4.9) versions of gcc,
> as it causes swapping etc.
>
> You can either compile gem5.fast without LTO by adding “--without-lto”, or
> alternatively upgrade to a more recent version of gcc (or use clang).
>
> I hope that helps.
>
> Andreas
>
> From: gem5-users <[email protected]> on behalf of Nizamudheen
> Ahmed <[email protected]>
> Reply-To: gem5 users mailing list <[email protected]>
> Date: Sunday, 20 September 2015 14:44
> To: gem5 users mailing list <[email protected]>
> Subject: [gem5-users] ARM gem5.fast build on Ubuntu 14.04 LTS
>
> Hi,
>
> I am trying to build ARM gem5.fast on Ubuntu 14.04 LTS. My machine hangs
> at the link-step. I get this all the time at the link step. Have you faced
> similar situations in the past? Can you share your remedies that had worked?
>
> Thanks and with best regards,
> Nizam
>
>
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