distro_features_check.bbclass: Allow checking of required/conflicting features
This add support to list required/confliting distro features for a recipe; this avoids user mistake when building recipes/images which would not work depending on DISTRO_FEATURES option set. Adding: ,----[ Use example ] | inherit distro_features_check | | REQUIRED_DISTRO_FEATURES = "x11" | CONFLICT_DISTRO_FEATURES_mx6 = "wayland" `---- In the image recipe allow us to make clear to user that this image needs X11 and /cannot/ be build with Wayland support in i.MX6 platforms, for example. (From OE-Core rev: a7519be6a23869ebafbf712370dab86ab92f68a5) Signed-off-by: Otavio Salvador <otavio@ossystems.com.br> Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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# Allow checking of required and conflicting DISTRO_FEATURES
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#
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# REQUIRED_DISTRO_FEATURES: ensure every item on this list is included
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# in DISTRO_FEATURES.
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# CONFLICT_DISTRO_FEATURES: ensure no item in this list is included in
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# DISTRO_FEATURES.
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#
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# Copyright 2013 (C) O.S. Systems Software LTDA.
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python () {
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required_distro_features = d.getVar('REQUIRED_DISTRO_FEATURES', True)
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if required_distro_features:
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required_distro_features = required_distro_features.split()
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distro_features = (d.getVar('DISTRO_FEATURES', True) or "").split()
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for f in required_distro_features:
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if f in distro_features:
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break
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else:
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raise bb.parse.SkipPackage("missing required distro feature %s (not in DISTRO_FEATURES)" % required_distro_features)
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conflict_distro_features = d.getVar('CONFLICT_DISTRO_FEATURES', True)
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if conflict_distro_features:
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conflict_distro_features = conflict_distro_features.split()
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distro_features = (d.getVar('DISTRO_FEATURES', True) or "").split()
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for f in conflict_distro_features:
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if f in distro_features:
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raise bb.parse.SkipPackage("conflicting distro feature %s (in DISTRO_FEATURES)" % conflict_distro_features)
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}
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