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Details

Type: Bug
Resolution: Invalid
Priority: Not Evaluated
Fix Version/s: None
Affects Version/s: 5.15.0 Beta3
Component/s: Core: Threads
Labels:
None
Environment:

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Built using Emscripten 1.39.10 running on Docker (using https://github.com/forderud/QtWasm/blob/master/image/Dockerfile ).
Tested in Firefox 75 (64bit) and Chrome 80 (64bit) on Windows 10.

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Built using Emscripten 1.39.10 running on Docker (using https://github.com/forderud/QtWasm/blob/master/image/Dockerfile ). Tested in Firefox 75 (64bit) and Chrome 80 (64bit) on Windows 10.

Platform/s:

WebAssembly

Description

I'm struggling to enable threading for my QMake projects when targeting WASM. I've already tried adding CONFIG += thread in the pro file, but it doesn't seem to trigger enabling of USE_PTHREADS=1 as defined in https://github.com/qt/qtbase/blob/5.15/mkspecs/features/wasm/wasm.prf

ANSWER:

The Qt SDK needs to be built with threading support enabled in order to use threading in Qt-based projects. This can be achieved by adding the -feature-thread argument to configure when building Qt.

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Activity

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Assignee:: Lorn Potter

Reporter:: Fredrik Orderud

Votes:: 1 Vote for this issue

Watchers:: 3 Start watching this issue

Dates

Created:: 08 Apr '20 14:43

Updated:: 11 Apr '20 00:12

Resolved:: 08 Apr '20 22:58

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