Bug#964132: qgis: Please switch from sip4 to sip5

[Dmitry Shachnev]

On Mon, Sep 21, 2020 at 04:05:08PM +0200, Sebastiaan Couwenberg wrote:
> No sure how feasible that is, QGIS upstream also supports older
> Debian/Ubuntu releases which may not support the SIP5/6 buildsystem.

I'm afraid it will be hard to support SIP 4 and 6 at the same time.

But SIP 6 won't be released before Qt 6, which is expected in the beginning
of 2021.

> The changes to the upstream parts just added support for SIP5, the
> packaging was updated to use those packages from experimental.
>
> We can merge the upstream bits to have the support for the sip5
> buildsystem, and can keep the packaging to use sip4 (i.e. don't update
> (build) dependencies).

Yes, that's what I was suggesting.

When I filed this bug report in July, I thought it's not possible to mix
different SIP versions in the same project, i.e. use SIP 4 together with
PyQt5 that is built with SIP 5.

But now upstream assured me that it actually is possible. In any case,
please test that configuration before I upload PyQt5 to unstable.

--
Dmitry Shachnev
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