Koen Kooi wrote:
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On 01-07-10 18:24, Graeme Gregory wrote:
We already have BBCLASSEXTENDS which modifies ${PN} of a package and
can use overrides to change behaviors of recipes.

Maybe USE flags could be implemented in a similar fashing.

DISTRO_USE = "nossl nox11"

EXTRA_OECONF_append_use-nossl = "--disable-ssl"

${PN} of the recipe becomes XXXX-nossl

Thoughts?

Just that USE flags shouldn't be used if seperate recipes can solve it
as well.

If I may, I'd like to articulate what I believe to be the technical argument behind this statement.

One of the issues with some form of USE flags, and I believe this is one of the big ones for Angstrom as well as any other public feed publishing distribution is that having a single recipe that does different things based on variables makes maintaining their feed (and allowing users to publish their own compatible feeds) a nightmare.

This is because there isn't any form of use flag checking (a simple case of 1:1 or the more complex case of flagA needs flagB and flagC doesn't care about flagD -> flagZ).

--
Tom Rini
Mentor Graphics Corporation

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