[oe] Qt and detecting iWMMXT

[Frans Meulenbroeks]

2010/9/25 Koen Kooi <k.kooi at student.utwente.nl>:
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> On 24-09-10 22:59, Holger Freyther wrote:
>> Hi all,
>>
>> when building for XScale one could pass -iwmmxt to the configure script. Now
>> how can a recipe find out if XScale systems are targeted? The closest thing I
>> can think of is to look at PACKAGE_ARCH and see if xscale is in it.
>
> Adapted from the mplayer magic Graeme and I came up with some years ago:
>
> #build with support for the iwmmxt instruction (pxa270 and up)
> MY_ARCH := "${PACKAGE_ARCH}"
> PACKAGE_ARCH = "${@base_contains('MACHINE_FEATURES', 'iwmmxt', 'iwmmxt',
> '${MY_ARCH}',d)}"
>
> QT_CONFIG_FLAGS_append = " ${@base_contains('MACHINE_FEATURES',
> 'iwmmxt', ' -iwmmxt', '',d)} "
>
> regards,
>
> Koen

Nice solution.
Guess it would be useful to have a list of all possible
MACHINE_FEATURES and DISTRO_FEATURES somewhere (e.g. wiki)

Frans