PyQt5 build failure on macOS 10.10 and below

Phil Thompson phil at
Wed Sep 29 12:29:22 BST 2021

On 29/09/2021 12:10, Renee Otten wrote:
> Hi Phil,
> thanks for your response and I am sorry for not being more clear as to
> why we don’t use the latest PyQt5 version on all OSes.
> We install the latest Qt5 version that is supported on the specific
> OS, for example on 10.10 this is Qt version 5.9. As was
> reported/discussed in Trac ticket #61006
> (, as of version 5.15.0 PyQt5
> doesn’t build anymore with Qt 5.9 due to a missing
> “qcustomaudiorolecontrol.h”. Since Qmultimedia was  introduced in Qt
> 5.11, it was concluded that therefore PyQt5 should be pinned to
> version 5.14.2 on OSes that only support Qt < 5.11. Of course if this
> issue can be fixed so that we can use the latest PyQt5 version across
> the board that would be even better!

It was fixed in v5.15.2. It would have been fixed earlier if it had been 
reported earlier.

> I don’t have a recent build log to show that exact failure, but I am
> sure we can reproduce one if that would be helpful.

As I said, use current versions.


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