base: Improve handling of switching virtual/x providers
If you build virtual/kernel, then change PREFERRED_PROVIDER_virtual/kernel from say "linux-yocto" to "linux-yocto-dev", you see errors from the sysroot about overlapping files. The automatic uninstall logic doesn't trigger since the other recipes is still technically parsed/buildable. What we can do is look at the value of PREFERRED_PROVIDER_virtual/X and raise SkipRecipe (skip parsing) if it provides this thing and its not selected. We skip cases no preferred provider is set, or the value is in MULTI_PROVIDER_WHITELIST.We also inform the user if they try to build something which conflicts with the configuration: $ bitbake linux-yocto-tiny ERROR: Nothing PROVIDES 'linux-yocto-tiny' ERROR: linux-yocto-tiny was skipped: PREFERRED_PROVIDER_virtual/kernel set to linux-yocto, not linux-yocto-tiny [YOCTO #4102] (From OE-Core rev: 9a3b992b7339f7aa892f1dff7d159747630b045d) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -204,7 +204,7 @@ def buildcfg_neededvars(d):
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bb.fatal('The following variable(s) were not set: %s\nPlease set them directly, or choose a MACHINE or DISTRO that sets them.' % ', '.join(pesteruser))
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addhandler base_eventhandler
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base_eventhandler[eventmask] = "bb.event.ConfigParsed bb.event.BuildStarted bb.event.RecipePreFinalise bb.runqueue.sceneQueueComplete"
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base_eventhandler[eventmask] = "bb.event.ConfigParsed bb.event.BuildStarted bb.event.RecipePreFinalise bb.runqueue.sceneQueueComplete bb.event.RecipeParsed"
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python base_eventhandler() {
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import bb.runqueue
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@ -254,6 +254,24 @@ python base_eventhandler() {
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bb.debug(1, "Executing SceneQueue Completion commands: %s" % "\n".join(cmds))
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bb.build.exec_func("completion_function", e.data)
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os.remove(completions)
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if isinstance(e, bb.event.RecipeParsed):
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#
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# If we have multiple providers of virtual/X and a PREFERRED_PROVIDER_virtual/X is set
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# skip parsing for all the other providers which will mean they get uninstalled from the
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# sysroot since they're now "unreachable". This makes switching virtual/kernel work in
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# particular.
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#
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pn = d.getVar('PN', True)
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source_mirror_fetch = d.getVar('SOURCE_MIRROR_FETCH', False)
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if not source_mirror_fetch:
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provs = (d.getVar("PROVIDES", True) or "").split()
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multiwhitelist = (d.getVar("MULTI_PROVIDER_WHITELIST", True) or "").split()
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for p in provs:
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if p.startswith("virtual/") and p not in multiwhitelist:
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profprov = d.getVar("PREFERRED_PROVIDER_" + p, True)
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if profprov and pn != profprov:
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raise bb.parse.SkipPackage("PREFERRED_PROVIDER_%s set to %s, not %s" % (p, profprov, pn))
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}
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CONFIGURESTAMPFILE = "${WORKDIR}/configure.sstate"
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