python-qt: disable vulnerable Qt5 webengine by default, add Qt6 support, clean, adopt #437521

nim65s · 2025-08-27T13:25:18Z

webengine is optional:

extensions/PythonQt_QtAll/PythonQt_QtAll.pro
24:  qtHaveModule(webenginewidgets):CONFIG += PythonQtWebEngineWidgets

So disable it by default to fix build
following #435067

edit: while here, let's get a Qt6 version, where qtwebengine is still maintained.

Things done

Add a 👍 reaction to pull requests you find important.

nim65s · 2025-08-27T17:32:11Z

While here, add Qt6 support, where qtwebengine is available

nim65s · 2025-08-28T08:41:42Z

`nixpkgs-review` result

Generated using nixpkgs-review.

Command: nixpkgs-review pr 437521
Commit: d720239cc3c630e3c1fbcae2df046b551d845f5f

`x86_64-linux`

⏩ 1 package marked as broken and skipped:

csound-qt

✅ 18 packages built:

gepetto-viewer (python313Packages.gepetto-viewer)
gepetto-viewer-corba (python313Packages.gepetto-viewer-corba)
gepetto-viewer-corba.doc (python313Packages.gepetto-viewer-corba.doc)
gepetto-viewer.bin (python313Packages.gepetto-viewer.bin)
gepetto-viewer.dev (python313Packages.gepetto-viewer.dev)
gepetto-viewer.doc (python313Packages.gepetto-viewer.doc)
kdePackages.python-qt (python313Packages.python-qt-qt6, qt6Packages.python-qt)
python-qt (libsForQt5.python-qt, python313Packages.python-qt)
python312Packages.gepetto-gui
python312Packages.gepetto-viewer
python312Packages.gepetto-viewer-corba
python312Packages.gepetto-viewer-corba.doc
python312Packages.gepetto-viewer.bin
python312Packages.gepetto-viewer.dev
python312Packages.gepetto-viewer.doc
python312Packages.python-qt
python312Packages.python-qt-qt6
python313Packages.gepetto-gui

`aarch64-darwin`

✅ 16 packages built:

gepetto-viewer (python313Packages.gepetto-viewer)
gepetto-viewer-corba (python313Packages.gepetto-viewer-corba)
gepetto-viewer-corba.doc (python313Packages.gepetto-viewer-corba.doc)
gepetto-viewer.bin (python313Packages.gepetto-viewer.bin)
gepetto-viewer.dev (python313Packages.gepetto-viewer.dev)
gepetto-viewer.doc (python313Packages.gepetto-viewer.doc)
python-qt (libsForQt5.python-qt, python313Packages.python-qt)
python312Packages.gepetto-gui
python312Packages.gepetto-viewer
python312Packages.gepetto-viewer-corba
python312Packages.gepetto-viewer-corba.doc
python312Packages.gepetto-viewer.bin
python312Packages.gepetto-viewer.dev
python312Packages.gepetto-viewer.doc
python312Packages.python-qt
python313Packages.gepetto-gui

nim65s · 2025-08-28T08:43:41Z

cc @hlolli @LordGrimmauld

LordGrimmauld · 2025-08-28T08:50:24Z

I wonder if we should default to the qt6 version instead...

LordGrimmauld · 2025-08-28T08:51:51Z

Ah wait its broken on darwin on qt6, fair enough to keep it on qt5 for now then. I don't particularly like staying on qt5, but so be it.

nim65s · 2025-08-28T09:14:14Z

I am considering to do this in several steps:

add Qt6 opt-in here
add Qt6 opt-in in all its reverse dependencies (eg. osgqt: add Qt6 support #437594, which is a dependency of one reverse-dependency…), or document when it is not feasible
switch default to Qt6
drop Qt5 where possible

pkgs/development/libraries/python-qt/default.nix

SigmaSquadron

Commits and diff looks good. Also builds properly on Linux.

nim65s · 2025-11-28T08:21:23Z

rebased for Qt6.10.1

webengine is optional: ``` extensions/PythonQt_QtAll/PythonQt_QtAll.pro 24: qtHaveModule(webenginewidgets):CONFIG += PythonQtWebEngineWidgets ``` So disable it by default to fix build following NixOS#435067

It now need way more fixes than what should be done in this python-qt PR

fix Qt6.10.1 support

nim65s · 2025-12-11T08:48:51Z

rebased after #443046

nim65s · 2025-12-18T12:31:47Z

`nixpkgs-review` result for #437521

Generated using nixpkgs-review-gha

Command: nixpkgs-review pr 437521
Commit: 86fa124b5b7051e1e8cd274d17f47479c2344411 (subsequent changes)
Merge: bd7bb4bf56e187bc83348e6117af5ee673438135

Logs: https://github.com/nim65s/nixpkgs-review-gha/actions/runs/20127267590

`x86_64-linux`

⏩ 1 package marked as broken and skipped:

csound-qt

✅ 4 packages built:

kdePackages.python-qt (python313Packages.python-qt-qt6, qt6Packages.python-qt)
python-qt (libsForQt5.python-qt, python313Packages.python-qt)
python312Packages.python-qt
python312Packages.python-qt-qt6

`aarch64-linux`

⏩ 1 package marked as broken and skipped:

csound-qt

✅ 4 packages built:

kdePackages.python-qt (python313Packages.python-qt-qt6, qt6Packages.python-qt)
python-qt (libsForQt5.python-qt, python313Packages.python-qt)
python312Packages.python-qt
python312Packages.python-qt-qt6

`x86_64-darwin` (sandbox = relaxed)

✅ 2 packages built:

python-qt (libsForQt5.python-qt, python313Packages.python-qt)
python312Packages.python-qt

`aarch64-darwin` (sandbox = relaxed)

✅ 2 packages built:

python-qt (libsForQt5.python-qt, python313Packages.python-qt)
python312Packages.python-qt

nim65s · 2026-01-13T14:35:47Z

`nixpkgs-review` result

Generated using nixpkgs-review-gha

Command: nixpkgs-review pr 437521
Commit: e7e2d1745cb9ac339b3de67f2b28787297fbef29 (subsequent changes)
Merge: e87f1ad973fd984aed24dcf4e8cc13cf583c1915

Logs: https://github.com/nim65s/nixpkgs-review-gha/actions/runs/20959054595

`x86_64-linux`

⏩ 1 package marked as broken and skipped:

csound-qt

✅ 4 packages built:

kdePackages.python-qt (python313Packages.python-qt-qt6, qt6Packages.python-qt)
python-qt (libsForQt5.python-qt, python313Packages.python-qt)
python314Packages.python-qt
python314Packages.python-qt-qt6

`aarch64-linux`

⏩ 1 package marked as broken and skipped:

csound-qt

✅ 4 packages built:

kdePackages.python-qt (python313Packages.python-qt-qt6, qt6Packages.python-qt)
python-qt (libsForQt5.python-qt, python313Packages.python-qt)
python314Packages.python-qt
python314Packages.python-qt-qt6

`x86_64-darwin` (sandbox = relaxed)

❌ 2 packages failed to build:

kdePackages.python-qt (python313Packages.python-qt-qt6, qt6Packages.python-qt)
python314Packages.python-qt-qt6

✅ 2 packages built:

python-qt (libsForQt5.python-qt, python313Packages.python-qt)
python314Packages.python-qt

Error logs: `x86_64-darwin`

kdePackages.python-qt

ld: warning: dylib (/nix/store/nmyqs1v31s1274ry57q4l31sq64qdqy1-qtdeclarative-6.10.1/lib/QtQml.framework/QtQml) was built for newer macOS version (14.0) than being linked (13.0)
ld: warning: dylib (/nix/store/9fppq8gfy7j8g7k62my3zdpgiwxr705p-qtpositioning-6.10.1/lib/QtPositioning.framework/QtPositioning) was built for newer macOS version (14.0) than being linked (13.0)
ld: warning: dylib (/nix/store/p4lhvmp0qc7pwd4ngq033m1kshhqgxwy-cups-2.4.16-lib/lib/libcups.dylib) was built for newer macOS version (14.0) than being linked (13.0)
ld: warning: dylib (/nix/store/sbp7sp9a43cvdlc98h0997flifb9gfn7-gettext-0.25.1/lib/libintl.dylib) was built for newer macOS version (14.0) than being linked (13.0)
Undefined symbols for architecture x86_64:
  "PythonQt_init_QtQml(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
  "PythonQt_init_QtSvg(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
  "PythonQt_init_QtQuick(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
  "PythonQt_init_QtUiTools(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
ld: symbol(s) not found for architecture x86_64
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [Makefile:460: ../../lib/libPythonQt_QtAll-Qt6-Python3.13.3.2.0.dylib] Error 1
make[2]: Leaving directory '/nix/build/nix-15391-2557389624/source/extensions/PythonQt_QtAll'
make[1]: *** [Makefile:54: sub-PythonQt_QtAll-make_first] Error 2
make[1]: Leaving directory '/nix/build/nix-15391-2557389624/source/extensions'
make: *** [Makefile:108: sub-extensions-make_first] Error 2

python314Packages.python-qt-qt6

ld: warning: dylib (/nix/store/nmyqs1v31s1274ry57q4l31sq64qdqy1-qtdeclarative-6.10.1/lib/QtQml.framework/QtQml) was built for newer macOS version (14.0) than being linked (13.0)
ld: warning: dylib (/nix/store/9fppq8gfy7j8g7k62my3zdpgiwxr705p-qtpositioning-6.10.1/lib/QtPositioning.framework/QtPositioning) was built for newer macOS version (14.0) than being linked (13.0)
ld: warning: dylib (/nix/store/p4lhvmp0qc7pwd4ngq033m1kshhqgxwy-cups-2.4.16-lib/lib/libcups.dylib) was built for newer macOS version (14.0) than being linked (13.0)
ld: warning: dylib (/nix/store/sbp7sp9a43cvdlc98h0997flifb9gfn7-gettext-0.25.1/lib/libintl.dylib) was built for newer macOS version (14.0) than being linked (13.0)
Undefined symbols for architecture x86_64:
  "PythonQt_init_QtQml(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
  "PythonQt_init_QtSvg(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
  "PythonQt_init_QtQuick(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
  "PythonQt_init_QtUiTools(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
ld: symbol(s) not found for architecture x86_64
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [Makefile:460: ../../lib/libPythonQt_QtAll-Qt6-Python3.14.3.2.0.dylib] Error 1
make[2]: Leaving directory '/nix/build/nix-15391-2557389625/source/extensions/PythonQt_QtAll'
make[1]: *** [Makefile:54: sub-PythonQt_QtAll-make_first] Error 2
make[1]: Leaving directory '/nix/build/nix-15391-2557389625/source/extensions'
make: *** [Makefile:108: sub-extensions-make_first] Error 2

`aarch64-darwin` (sandbox = relaxed)

❌ 2 packages failed to build:

kdePackages.python-qt (python313Packages.python-qt-qt6, qt6Packages.python-qt)
python314Packages.python-qt-qt6

✅ 2 packages built:

python-qt (libsForQt5.python-qt, python313Packages.python-qt)
python314Packages.python-qt

Error logs: `aarch64-darwin`

kdePackages.python-qt

ld: warning: dylib (/nix/store/hpszjrsb87220nkp76drm56zs67icrmp-qtdeclarative-6.10.1/lib/QtQml.framework/QtQml) was built for newer macOS version (14.0) than being linked (13.0)
ld: warning: dylib (/nix/store/injw0wi1kk89pbrlyahnrjzj2sqj32jq-qtpositioning-6.10.1/lib/QtPositioning.framework/QtPositioning) was built for newer macOS version (14.0) than being linked (13.0)
ld: warning: dylib (/nix/store/snkk7052rxngiln2gmrjz3x8carcfvhi-cups-2.4.16-lib/lib/libcups.dylib) was built for newer macOS version (14.0) than being linked (13.0)
ld: warning: dylib (/nix/store/axw3iz1kfaq6nir6jj1vk5a0g1nfg0wk-gettext-0.25.1/lib/libintl.dylib) was built for newer macOS version (14.0) than being linked (13.0)
Undefined symbols for architecture arm64:
  "PythonQt_init_QtQml(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
  "PythonQt_init_QtSvg(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
  "PythonQt_init_QtQuick(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
  "PythonQt_init_QtUiTools(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
ld: symbol(s) not found for architecture arm64
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [Makefile:460: ../../lib/libPythonQt_QtAll-Qt6-Python3.13.3.2.0.dylib] Error 1
make[2]: Leaving directory '/nix/build/nix-6435-1911157820/source/extensions/PythonQt_QtAll'
make[1]: *** [Makefile:54: sub-PythonQt_QtAll-make_first] Error 2
make[1]: Leaving directory '/nix/build/nix-6435-1911157820/source/extensions'
make: *** [Makefile:108: sub-extensions-make_first] Error 2

python314Packages.python-qt-qt6

ld: warning: dylib (/nix/store/hpszjrsb87220nkp76drm56zs67icrmp-qtdeclarative-6.10.1/lib/QtQml.framework/QtQml) was built for newer macOS version (14.0) than being linked (13.0)
ld: warning: dylib (/nix/store/injw0wi1kk89pbrlyahnrjzj2sqj32jq-qtpositioning-6.10.1/lib/QtPositioning.framework/QtPositioning) was built for newer macOS version (14.0) than being linked (13.0)
ld: warning: dylib (/nix/store/snkk7052rxngiln2gmrjz3x8carcfvhi-cups-2.4.16-lib/lib/libcups.dylib) was built for newer macOS version (14.0) than being linked (13.0)
ld: warning: dylib (/nix/store/axw3iz1kfaq6nir6jj1vk5a0g1nfg0wk-gettext-0.25.1/lib/libintl.dylib) was built for newer macOS version (14.0) than being linked (13.0)
Undefined symbols for architecture arm64:
  "PythonQt_init_QtQml(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
  "PythonQt_init_QtSvg(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
  "PythonQt_init_QtQuick(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
  "PythonQt_init_QtUiTools(_object*)", referenced from:
      PythonQt_QtAll::init() in PythonQt_QtAll.o
ld: symbol(s) not found for architecture arm64
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [Makefile:460: ../../lib/libPythonQt_QtAll-Qt6-Python3.14.3.2.0.dylib] Error 1
make[2]: Leaving directory '/nix/build/nix-6435-1911157822/source/extensions/PythonQt_QtAll'
make[1]: *** [Makefile:54: sub-PythonQt_QtAll-make_first] Error 2
make[1]: Leaving directory '/nix/build/nix-6435-1911157822/source/extensions'
make: *** [Makefile:108: sub-extensions-make_first] Error 2

Diff: MeVisLab/pythonqt@v3.6.1...v4.0.0

nim65s · 2026-01-13T16:16:19Z

Following decisions on "NixOS Security Discussions" on matrix, we'll drop instead

nim65s · 2026-01-14T14:33:29Z

ref. #480008

nim65s mentioned this pull request Aug 27, 2025

gepetto-viewer: python-qt is optional #437457

Closed

13 tasks

nixpkgs-ci bot added 10.rebuild-linux: 11-100 This PR causes between 11 and 100 packages to rebuild on Linux. 10.rebuild-darwin: 11-100 This PR causes between 11 and 100 packages to rebuild on Darwin. labels Aug 27, 2025

nixpkgs-ci bot added the 6.topic: python Python is a high-level, general-purpose programming language. label Aug 27, 2025

ofborg bot added the ofborg-internal-error Ofborg encountered an error label Aug 27, 2025

nim65s force-pushed the pythonqt branch 2 times, most recently from 92bbb2f to 095c6f8 Compare August 27, 2025 21:12

ofborg bot removed the ofborg-internal-error Ofborg encountered an error label Aug 27, 2025

nim65s force-pushed the pythonqt branch from 095c6f8 to 4777141 Compare August 27, 2025 21:44

This was referenced Aug 28, 2025

CI: Qt 6.9 on macos & windows MeVisLab/pythonqt#275

Closed

Qt6 on macos: missing generated_cpp MeVisLab/pythonqt#276

Closed

nim65s changed the title ~~python-qt: disable vulnerable qtwebengine by default~~ python-qt: disable vulnerable qtwebengine by default, add Qt6 support Aug 28, 2025

nim65s marked this pull request as ready for review August 28, 2025 08:41

nix-owners bot requested review from hlolli and natsukium August 28, 2025 08:43

nim65s mentioned this pull request Sep 1, 2025

openmw: 0.48.0 -> 0.49.0 #422562

Merged

13 tasks

nim65s changed the title ~~python-qt: disable vulnerable qtwebengine by default, add Qt6 support~~ python-qt: disable vulnerable Qt5 webengine by default, add Qt6 support Sep 4, 2025

SuperSandro2000 reviewed Sep 4, 2025

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nim65s force-pushed the pythonqt branch from 71470d8 to 7fdf0e1 Compare September 8, 2025 13:21

nim65s changed the title ~~python-qt: disable vulnerable Qt5 webengine by default, add Qt6 support~~ python-qt: disable vulnerable Qt5 webengine by default, add Qt6 support, clean, adopt Sep 8, 2025

nim65s mentioned this pull request Oct 8, 2025

collada-dom: fix build against CMake >= 3.10 #449740

Merged

13 tasks

SigmaSquadron approved these changes Oct 8, 2025

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nixpkgs-ci bot added the 12.approvals: 1 This PR was reviewed and approved by one person. label Oct 8, 2025

SuperSandro2000 approved these changes Oct 23, 2025

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nim65s force-pushed the pythonqt branch from 65d8418 to b80c675 Compare November 28, 2025 08:07

nim65s marked this pull request as draft November 28, 2025 11:03

nim65s force-pushed the pythonqt branch 6 times, most recently from 1ca6578 to c27fe4f Compare November 30, 2025 10:36

nim65s marked this pull request as ready for review November 30, 2025 11:31

nim65s added 8 commits December 11, 2025 09:45

python-qt: disable vulnerable qtwebengine by default

a8274bd

webengine is optional: ``` extensions/PythonQt_QtAll/PythonQt_QtAll.pro 24: qtHaveModule(webenginewidgets):CONFIG += PythonQtWebEngineWidgets ``` So disable it by default to fix build following NixOS#435067

python-qt: add Qt6 support

75d36de

qt6Packages.pythonqt: mark broken on darwin

eac09cd

python-qt: fix inputs

2b187ab

python-qt: adopt

0ea7f72

gepetto-viewer: mark as broken

fcccee5

It now need way more fixes than what should be done in this python-qt PR

python-qt: 3.6.1 -> 3.6.1-unstable-2025-11-20

0246b9d

fix Qt6.10.1 support

python-qt: build only hostPlatform darwin arch

86fa124

nim65s force-pushed the pythonqt branch from c27fe4f to 86fa124 Compare December 11, 2025 08:48

SuperSandro2000 approved these changes Dec 19, 2025

View reviewed changes

LordGrimmauld mentioned this pull request Jan 13, 2026

qt5.qtwebengine: Pin to GCC 14 #479108

Merged

13 tasks

nim65s marked this pull request as draft January 13, 2026 13:46

python-qt: 3.6.1 -> 4.0.0

fb015a0

Diff: MeVisLab/pythonqt@v3.6.1...v4.0.0

nim65s force-pushed the pythonqt branch from e7e2d17 to fb015a0 Compare January 13, 2026 16:15

nim65s closed this Jan 13, 2026

Uh oh!

python-qt: disable vulnerable Qt5 webengine by default, add Qt6 support, clean, adopt #437521

python-qt: disable vulnerable Qt5 webengine by default, add Qt6 support, clean, adopt #437521

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