[U-Boot] [PATCH] Enable garbage collection of unused input sections.

Luigi Mantellini luigi.mantellini.ml at gmail.com
Sun Dec 5 13:33:08 CET 2010


Hi Wolfgang,

On Sun, Dec 5, 2010 at 1:23 PM, Wolfgang Denk <wd at denx.de> wrote:
> Dear Luigi 'Comio' Mantellini,
>
> In message <1291545952-26761-2-git-send-email-luigi.mantellini at idf-hit.com> you wrote:
>> When available, enable the CC -ffunction-sections/-fdata-sections options and
>> the LD --gc-sections in order to isolate and remove from final executable the
>> unused functions.
> ...
>
>> ---
>>  config.mk |    9 +++++++++
>>  1 files changed, 9 insertions(+), 0 deletions(-)
>
> Why do you ignore my previous review comments?

Sorry, I'm working essentially on MIPS arch and I haven't checked the
presence of this option in the others archs.
I'm wrong and I misunderstood your previous comments considering only
to split the patches.

I will consider to check just the mips boards.

Sorry again for this noise.

luigi

>
> You cannot simply turn this feature on globally for all boards.  You
> will have to make appropriate adjustments more or less everywhere:
>
> - some architectures already have these options set, so these should
>  be removed from the architecture / board specific config files
>
> - other architectures have this NOT set, and they need adjustments to
>  the respective inker scripts.
>
> As is, your patch breaks a zillion of boards.
>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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-- 
Luigi 'Comio' Mantellini
R&D - Software
Industrie Dial Face S.p.A.
Via Canzo, 4
20068 Peschiera Borromeo (MI), Italy

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Fax: +39 02 5167 2459
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mail: luigi.mantellini at idf-hit.com


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