Le 19/06/2023 à 20:44, Hugh Kelley a écrit :
OK thanks, exactly the general guidance I was looking for. I'll look
into upgrading. Is there currently a version that makes things easiest?
QGIS continuous integration uses:
- ubuntu 22.04 for QT5 builds:
https://github.com/qgis/QGIS/blob/master/.docker/qgis3-qt5-build-deps.dockerfile
- Fedora 38 for QG6 builds:
https://github.com/qgis/QGIS/blob/master/.docker/qgis3-qt6-build-deps.dockerfile
On Mon, Jun 19, 2023 at 2:34 PM Even Rouault
<even.roua...@spatialys.com> wrote:
Building recent QGIS versions on 20.04 is going to be quite a lot
of pain since you'll need indeed to have a qt 5.15 build, and all
the other auxiliary QT based dependencies build against it.
I'd suggest you update to 22.04 at least. Or if you don't want to
do development but can live with released versions, try
conda-forge builds (cf https://plugins.qgis.org/planet/tag/conda/)
Le 19/06/2023 à 20:30, Hugh Kelley via QGIS-Developer a écrit :
Hi all,
while working on compiling qgis on ubuntu using these
instructions [0] , i've run into an error while running cmake
that "QRecursiveMutex" is not found.
It looks like that became available in QT 5.14.
Ubuntu 20.04 installs QT 5.12. During my searches i've seen
comments that imply 5.15 might not be available for 20.04. I'm
trying to figure out whether I should be trying to upgrade Qt, if
I have to upgrade Ubuntu, or if there is some option in the
compilation process that can resolve this for me.
I've installed Qt 5.15.2 to /opt/ and added it to PATH, but
qtdiag still indicates i'm using 5.12.x
I thought i'd start by asking here before asking on a Qt general
forum in case there's a qgis specific solution.
I've also set the cmake 3d option to "no" which got me around the
absence of q qt 3d extras pacakge/file. So maybe there's a
similar solution for this although this version problem seem more
essential.
Thanks for any suggestions!
[0] https://github.com/qgis/QGIS/blob/master/INSTALL.md
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Hugh Kelley
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My software is free, but my time generally not.
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