[Buildroot] Passing compile flags to every component

[Nicole]

Thank you very much, Arnout.

I shall also bear in mind your instructions for posting configs ... I 
didn't know the etiquette. Perhaps this could be added to the e-mail 
that welcomes you to the list.

Nicole

On 06/13/2012 11:36 PM, Arnout Vandecappelle wrote:
> On 06/13/12 23:01, Nicole wrote:
>> Sorry if this is a newbie question. Can anyone give me some directions
>> about how to to pass a set of {C{,XX,PP},LD}FLAGS
>> to the build of each and every application that will be put on the
>> disk image?
>>
> [snip]
>> BR2_TARGET_OPTIMIZATION="-pipe"
>> BR2_TARGET_LDFLAGS=""
>
> Those are the buildroot config options you want to modify.
>
> It's not 100% guaranteed to work for all packages (some packages do
> explicit
> massaging of the CFLAGS passed to them; the Linux kernel is one of them).
>
> For the -mtune=geode flag, specifically, that should be selected
> automatically
> if you choose geode as the sub-architecture.
>
> PS: Please avoid posting a full config - do a 'make savedefconfig' and
> post the
> resulting defconfig file.
>
> Regards,
> Arnout

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