Closed Bug 1229613 Opened 4 years ago Closed 4 years ago
sccache unwillingly enabled on EC2 Windows PGO builds
The fix for bug 1181040 changed things such that automation builds end up using sccache because they set MOZ_PGO in the environment instead of through mozconfig.
Sccache was enabled mechanically by the switch to EC2 Windows instances, while it is not intended to be used on PGO builds. This happened because the fix for bug 1181040 disabled sccache for PGO builds where MOZ_PGO is set through mozconfig (in which case MOZ_PGO_IS_SET is set) *while* ignoring the case where MOZ_PGO is set through the environment (in which case MOZ_PGO_IS_SET is, unconveniently, *not* set). The latter is what Windows PGO builds do.
Attachment #8694525 - Flags: review?(mshal)
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