FLTK wasm build

danielc...@gmail.com

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Jan 15, 2026, 11:33:59 PM (7 days ago) Jan 15

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Hi,

Is there currently a standard or recommended method for compiling FLTK to WebAssembly?

Thanks!

Albrecht Schlosser

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Jan 16, 2026, 9:49:23 AM (6 days ago) Jan 16

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On 1/16/26 05:33 danielc...@gmail.com wrote:
> Is there currently a standard or recommended method for compiling FLTK
> to WebAssembly?

There's nothing official, but if I'm not totally wrong you might want to
take a look at
https://github.com/MoAlyousef/fltk_emscripten

danielc...@gmail.com

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Jan 19, 2026, 7:00:01 AM (3 days ago) Jan 19

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Thanks.

It would be great to see this included in FLTK 1.5 — an official, streamlined way to compile to WebAssembly would be a very welcome addition.

Daniel G.

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Jan 19, 2026, 7:30:46 AM (3 days ago) Jan 19

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How cool, I would also like to see an official WASM build (:

> Is there currently a standard or recommended method for compiling FLTK
> to WebAssembly?

Some time ago (with fltk 1.3) I managed to make it run via microwindows (FLTK -> X11 -> microwindows X11 API -> Webbrowser)
https://github.com/ghaerr/microwindows

BR,
Daniel

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