[Interest] Compiling Qt for Webassembly

Discussion:

Vadim Peretokin

2018-10-06 05:08:58 UTC

I'm trying to compile Qt 5.12.0 for webassembly, but it has compile errors:
https://hastebin.com/vovisayapi.bash

This is on Ubuntu 18.04, emcc 1.38.12 (commit
0d8576c0e8f5ee09a36120b9d44184b5da2f2e7a), gcc 7.3.0. Any ideas what's
going wrong?

(I wouldn't mind trying the latest Qt sources, except that "Getting the code
<https://wiki.qt.io/Qt_for_WebAssembly#Getting_the_code>" instructions are
ambigious: what am I supposed to with 3 different directories?)

Thanks!

Lorn Potter

2018-10-06 08:02:41 UTC

Permalink

Hello Vadim,

Post by Vadim Peretokin
I'm trying to compile Qt 5.12.0 for webassembly, but it has compile
errors: https://hastebin.com/vovisayapi.bash
This is on Ubuntu 18.04, emcc 1.38.12 (commit
0d8576c0e8f5ee09a36120b9d44184b5da2f2e7a), gcc 7.3.0. Any ideas what's
going wrong?

For the 5.12-beta1 package, you need this patch:
https://codereview.qt-project.org/#/c/241987/ to get through the wasm
build for qtnetworkauth

(also attached)

Post by Vadim Peretokin
(I wouldn't mind trying the latest Qt sources, except that "Getting the
code <https://wiki.qt.io/Qt_for_WebAssembly#Getting_the_code>"
instructions are ambigious: what am I supposed to with 3 different
directories?)

For just Qt, you only need qtbase, really. If you want to develop with
QtQuick/Qml, you will need qtdeclarative as well.

git clone -b 5.12 https://code.qt.io/qt/qtbase.git

There are only a few modules we have tested for wasm - qmqtt, qtwebsockets.

There is a pending patch for qtsensors support (basically just accel,
but others for firefox)
https://codereview.qt-project.org/#/c/217457/

-
Lorn

Vadim Peretokin

2018-10-06 10:42:11 UTC

Permalink

Thanks, that worked!

It says uitools, multimedia, and concurrent isn't available. The latter two
I understand, but is uitools supposed not to be available?

Post by Lorn Potter
Hello Vadim,

https://codereview.qt-project.org/#/c/241987/ to get through the wasm
build for qtnetworkauth
(also attached)

For just Qt, you only need qtbase, really. If you want to develop with
QtQuick/Qml, you will need qtdeclarative as well.
git clone -b 5.12 https://code.qt.io/qt/qtbase.git
There are only a few modules we have tested for wasm - qmqtt, qtwebsockets.
There is a pending patch for qtsensors support (basically just accel,
but others for firefox)
https://codereview.qt-project.org/#/c/217457/
-
Lorn
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Vadim Peretokin

2018-10-10 14:11:36 UTC

Permalink

Would anyone know why uitools isn't available?

Post by Vadim Peretokin
Thanks, that worked!
It says uitools, multimedia, and concurrent isn't available. The latter
two I understand, but is uitools supposed not to be available?

Post by Lorn Potter
Hello Vadim,

https://codereview.qt-project.org/#/c/241987/ to get through the wasm
build for qtnetworkauth
(also attached)

For just Qt, you only need qtbase, really. If you want to develop with
QtQuick/Qml, you will need qtdeclarative as well.
git clone -b 5.12 https://code.qt.io/qt/qtbase.git
There are only a few modules we have tested for wasm - qmqtt,
qtwebsockets.
There is a pending patch for qtsensors support (basically just accel,
but others for firefox)
https://codereview.qt-project.org/#/c/217457/
-
Lorn
_______________________________________________
Interest mailing list
http://lists.qt-project.org/mailman/listinfo/interest

Lorn Potter

2018-10-22 09:33:55 UTC

Permalink

Post by Vadim Peretokin
Would anyone know why uitools isn't available?

I just tested uitools with 5.12, and the textfinder example seems to be
working.

So there is probably no reason it shouldn't be available for 5.12 on wasm.