classes/externalsrc: fix source being wiped out on clean with kernel
kernel.bbclass adds ${S} do do_clean[cleandirs], but this means if you run bitbake -c clean <kernelrecipe> then your external source tree will be trashed, which could be a disaster. For safety, remove ${S} from cleandirs for every task. We also have to do the same for ${B} in the case where EXTERNALSRC_BUILD is set to the same value as EXTERNALSRC. (From OE-Core rev: b5071fb2667b8751885d38ca62fa36c870177cd5) Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -47,6 +47,20 @@ python () {
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# Since configure will likely touch ${S}, ensure only we lock so one task has access at a time
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d.appendVarFlag(task, "lockfiles", "${S}/singletask.lock")
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# We do not want our source to be wiped out, ever (kernel.bbclass does this for do_clean)
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cleandirs = d.getVarFlag(task, 'cleandirs', False)
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if cleandirs:
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cleandirs = cleandirs.split()
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setvalue = False
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if '${S}' in cleandirs:
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cleandirs.remove('${S}')
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setvalue = True
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if externalsrcbuild == externalsrc and '${B}' in cleandirs:
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cleandirs.remove('${B}')
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setvalue = True
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if setvalue:
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d.setVarFlag(task, 'cleandirs', ' '.join(cleandirs))
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for task in d.getVar("SRCTREECOVEREDTASKS", True).split():
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bb.build.deltask(task, d)
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