[Buildroot] [PATCH 3 of 3] oprofile 0.9.8: fix compilation on powerpc

[Arnout Vandecappelle <arnout@mind.be>]

On 03/13/13 17:14, Thomas De Schampheleire wrote:
> Hi Reuben,
>
> On Tue, Mar 12, 2013 at 9:20 PM, Reuben Dowle <reuben.dowle@4rf.com> wrote:
[snip]
>>> -OPROFILE_DEPENDENCIES = popt binutils
>>> +OPROFILE_DEPENDENCIES = popt binutils libpfm4
>>
>> I think this dependency is only needed for powerpc. So something like:
>>
>> OPROFILE_DEPENDENCIES = popt binutils
>> ifeq ($(BR2_powerpc),y)
>> OPROFILE_DEPENDENCIES += libpfm4
>> Endif
>>
>> Might be better?
>
> As far as I understand, these dependencies are only used for
> build-time ordering. This means that libfm4, *if selected in the
> config* will be built before oprofile.

  Nope. If libpfm4 is a dependency, it will be built even if you haven't 
configured it. So libpfm4 will be built unnecessarily.

  Regards,
  Arnout

> However, if libpfm4 is not
> selected, and you're not on powerpc, you can still build oprofile.
> The only benefit from the suggested code above, I think, is that on
> non-powerpc targets the unnecessary ordering of oprofile / libpfm4 is
> not enforced, but I think this will hardly give an impact on build
> time.
>
> Best regards,
> Thomas
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-- 
Arnout Vandecappelle                          arnout at mind be
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