Re: [Interest] QWebAssembly

[Sley HORTES]

> On May 14, 2024, at 12:13 PM, Sley HORTES  wrote:
> 
> Hello everyone, I have a little question I wanna post here.
> 
> I would like to run my qt app in a browser like, I have seen that I can use 
> QwebAssembly to do so. I have already read the Documentation and installed 
> the prerequisites (Emscripten, python3 etc).
> 
> The problem is that I am not using Qt-creator and I don’t know How to build 
> the app so the .json and .html files got created. 
> I have seen that I am supposed to build qt from source or something but I 
> don’t really get it neither know how to do it. 
> 
> Can someone please enlighten me about this? I am using CMake to build the app.


This is the part that is ambiguous to me. 

Building Qt from Source 

Building from source lets you set Qt configuration options such as thread 
support, OpenGL ES level, or SIMD support. Download the Qt sources from the 
Downloads section of your Qt account.

Configure Qt as a cross-compile build for the wasm-emscripten platform. This 
sets the -static, -no-feature-thread, and -no-make examples configure options. 
You can enable thread support with the -feature-thread, configure option. 
Shared library builds are not supported.

You need a host build of the same version of Qt and specify that path in the 
QT_HOST_PATH CMake variable or by using the -qt-host-path configure argument.

Although it should be detected, you may optionally set the CMAKE_TOOLCHAIN_FILE 
CMake variable to the Emscripten.cmake toolchain file that comes with 
Emscripten SDK. This can be done by setting the environment variable 
CMAKE_TOOLCHAIN_FILE or by passing 
CMAKE_TOOLCHAIN_FILE=/path/to/Emscripten.cmake to configure.

./configure -qt-host-path /path/to/Qt -platform wasm-emscripten -prefix 
$PWD/qtbase


Note: configure always uses the Ninja generator and build tool if a ninja 
executable is available. Ninja is cross-platform, feature-rich, performant, and 
recommended on all platforms. The use of other generators might work but is not 
officially supported.
On Windows, make sure you have MinGW in your PATH and configure with the 
following:

configure -qt-host-path C:\Path\to\Qt -no-warnings-are-errors -platform 
wasm-emscripten -prefix %CD%\qtbase


Then build the required modules:

cmake --build . -t qtbase -t qtdeclarative [-t another_module]





They are saying to use a configure script but I don’t find it anywhere in the 
qt installation path. Also when I am using the cmake --build in the terminal, 
it says that there is no CMakeLists.txt file in qt’s main directory. I just 
don’t know what to do. ___
Interest mailing list
Interest@qt-project.org
https://lists.qt-project.org/listinfo/interest

[Interest] QWebAssembly

[Sley HORTES]

Hello everyone, I have a little question I wanna post here.

I would like to run my qt app in a browser like, I have seen that I can use 
QwebAssembly to do so. I have already read the Documentation and installed the 
prerequisites (Emscripten, python3 etc).

The problem is that I am not using Qt-creator and I don’t know How to build the 
app so the .json and .html files got created. 
I have seen that I am supposed to build qt from source or something but I don’t 
really get it neither know how to do it. 

Can someone please enlighten me about this? I am using CMake to build the app.
___
Interest mailing list
Interest@qt-project.org
https://lists.qt-project.org/listinfo/interest