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Sam Clegg
1:09 PM
PSA: Test suite output is now quiet by default
I've recently landed a change to make the output of the test suite very minimal by default. It
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PSA: Test suite output is now quiet by default
I've recently landed a change to make the output of the test suite very minimal by default. It
1:09 PM
Sam Clegg
2
Nov 4
PSA: Dynamic linking overhead is now much lower
This change is now released as part of 4.0.19 On Wed, Oct 29, 2025 at 1:00 PM Sam Clegg <sbc@
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PSA: Dynamic linking overhead is now much lower
This change is now released as part of 4.0.19 On Wed, Oct 29, 2025 at 1:00 PM Sam Clegg <sbc@
Nov 4
Thomas Grund
, …
Sam Clegg
8
Nov 3
Sum.js:634 failed to asynchronously prepare wasm: CompileError: WebAssembly.instantiate(): section was shorter than expected size (18371 bytes expected, 207 decoded) @+219
On Mon, Nov 3, 2025 at 7:10 AM Thomas Grund <thomas.g...@gmail.com> wrote: Thanks for
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Sum.js:634 failed to asynchronously prepare wasm: CompileError: WebAssembly.instantiate(): section was shorter than expected size (18371 bytes expected, 207 decoded) @+219
On Mon, Nov 3, 2025 at 7:10 AM Thomas Grund <thomas.g...@gmail.com> wrote: Thanks for
Nov 3
Александр Гурьянов
,
Sam Clegg
4
Oct 19
UT99/emscripten Mutliplayer
Nevermind, i found a way to read the error contents) сб, 18 окт. 2025 г. в 00:44, Александр Гурьянов
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UT99/emscripten Mutliplayer
Nevermind, i found a way to read the error contents) сб, 18 окт. 2025 г. в 00:44, Александр Гурьянов
Oct 19
Sam Clegg
Sep 30
[PSA] Plan to remove PROXY_TO_WORKER (AKA --proxy-to-worker)
See https://github.com/emscripten-core/emscripten/issues/25440. If you are a user of these flags
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[PSA] Plan to remove PROXY_TO_WORKER (AKA --proxy-to-worker)
See https://github.com/emscripten-core/emscripten/issues/25440. If you are a user of these flags
Sep 30
Phil Endecott
Sep 25
Crash reporter for Emscripten sites - C++ exceptions in window.onerror
Dear Experts, I'm trying to build a basic crash reporter for my Emscripten project. I'll
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Crash reporter for Emscripten sites - C++ exceptions in window.onerror
Dear Experts, I'm trying to build a basic crash reporter for my Emscripten project. I'll
Sep 25
John Dallman
, …
Sam Clegg
16
Sep 23
Catching out-of-bounds memory accesses
To tie this thread off, I'm going to settle for my test harness crashing on bad memory accesses
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Catching out-of-bounds memory accesses
To tie this thread off, I'm going to settle for my test harness crashing on bad memory accesses
Sep 23
Sam Clegg
Sep 11
[PSA] Plan to remove RELOCATABLE and LINKABLE settings
See https://github.com/emscripten-core/emscripten/issues/25262 These settings are mostly used to
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[PSA] Plan to remove RELOCATABLE and LINKABLE settings
See https://github.com/emscripten-core/emscripten/issues/25262 These settings are mostly used to
Sep 11
Phil Endecott
, …
Sam Clegg
5
Sep 2
MAIN_THREAD_ASYNC_EM_ASM and pthread locks on main thread
On Sat, Aug 30, 2025 at 9:15 AM Thomas Lively <tli...@google.com> wrote: Hi Phil, Glad you
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MAIN_THREAD_ASYNC_EM_ASM and pthread locks on main thread
On Sat, Aug 30, 2025 at 9:15 AM Thomas Lively <tli...@google.com> wrote: Hi Phil, Glad you
Sep 2
Phil Endecott
Aug 30
Sharing WebGL textures between main thread and background threads / offscreen canvases
Dear Experts, I have an OpenGL app which I successfully ported to Emscripten back in 2021. That port
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Sharing WebGL textures between main thread and background threads / offscreen canvases
Dear Experts, I have an OpenGL app which I successfully ported to Emscripten back in 2021. That port
Aug 30
Mo_Al_
,
Alon Zakai
2
Aug 25
wasmbind, js-sys and web-sys but for C++
Very cool! I've wondered for a while if a wasm-bindgen-like approach would be useful for people.
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wasmbind, js-sys and web-sys but for C++
Very cool! I've wondered for a while if a wasm-bindgen-like approach would be useful for people.
Aug 25
Brendan Dahl
, …
キャロウ マーク
4
Aug 4
Proposal: Require C++17 for embind
> On Aug 4, 2025, at 19:51, John Dallman <jgdats...@gmail.com> wrote: > > I'd
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Proposal: Require C++17 for embind
> On Aug 4, 2025, at 19:51, John Dallman <jgdats...@gmail.com> wrote: > > I'd
Aug 4
キャロウ マーク
,
Brendan Dahl
5
Aug 1
How to use allow_raw_pointer?
FWIW, I've added policies to properties[1]. You can now do obj.set("a", somePtr,
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How to use allow_raw_pointer?
FWIW, I've added policies to properties[1]. You can now do obj.set("a", somePtr,
Aug 1
Stephan Bergmann
,
Sam Clegg
5
Jul 24
Accessing a thread's module instance in an -sMODULARIZE -pthread setting?
On 7/24/25 01:14, 'Sam Clegg' via emscripten-discuss wrote: > I think you could try
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Accessing a thread's module instance in an -sMODULARIZE -pthread setting?
On 7/24/25 01:14, 'Sam Clegg' via emscripten-discuss wrote: > I think you could try
Jul 24
Carl Woffenden
,
Thomas Grund
2
Jun 22
Re: Digest for emscripten-discuss@googlegroups.com - 1 update in 1 topic
I checked `-sASSERTIONS` and `-sASSERTIONS=2` without getting assertions/warnings. c...@numfum.com
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Re: Digest for emscripten-discuss@googlegroups.com - 1 update in 1 topic
I checked `-sASSERTIONS` and `-sASSERTIONS=2` without getting assertions/warnings. c...@numfum.com
Jun 22
Thomas Grund
,
Sam Clegg
7
Jun 18
onRuntimeInitialized is called in Firefox but not in Chrome
I checked the `-O0` without getting assertions/warnings. s...@google.com schrieb am Montag, 16. Juni
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onRuntimeInitialized is called in Firefox but not in Chrome
I checked the `-O0` without getting assertions/warnings. s...@google.com schrieb am Montag, 16. Juni
Jun 18
Александр Гурьянов
,
Alon Zakai
3
May 29
Video: Estimating and Porting Projects to the Web
Hi, not yet. While WasmFS was still in development, we implemented several internal filesystem tools
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Video: Estimating and Porting Projects to the Web
Hi, not yet. While WasmFS was still in development, we implemented several internal filesystem tools
May 29
キャロウ マーク
2
May 24
Uncaught (in promise) TypeError: handle is undefined
I figured this one out too. I built a debug version and at run time a message appeared in the console
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Uncaught (in promise) TypeError: handle is undefined
I figured this one out too. I built a debug version and at run time a message appeared in the console
May 24
キャロウ マーク
,
Sam Clegg
3
May 23
SDL2 not found in 4.0.9
On May 23, 2025, at 0:20, 'Sam Clegg' via emscripten-discuss <emscripten-discuss@
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SDL2 not found in 4.0.9
On May 23, 2025, at 0:20, 'Sam Clegg' via emscripten-discuss <emscripten-discuss@
May 23
Sam Clegg
, …
Brendan Dahl
7
May 19
[RFC] Changes to how "modularization" works in emscripten
There has recently been a lot of progress on the modularization options available in emscripten.
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[RFC] Changes to how "modularization" works in emscripten
There has recently been a lot of progress on the modularization options available in emscripten.
May 19
Sam Clegg
,
Jeremy Friesner
3
May 16
Is anyone still running emscripten on x86 macOS?
Thanks Jeremy. From the discussion on the bug it seems there are enough folks still using x86 macOS
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Is anyone still running emscripten on x86 macOS?
Thanks Jeremy. From the discussion on the bug it seems there are enough folks still using x86 macOS
May 16
Sam Clegg
Apr 29
PSA: Emscripten will no longer generate separate ww.js/aw.js files with WASM_WORKERS/AUDIO_WORKLET
Just like we did earlier for pthread's worker.js we have now eliminated the separate `ww.js` and
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PSA: Emscripten will no longer generate separate ww.js/aw.js files with WASM_WORKERS/AUDIO_WORKLET
Just like we did earlier for pthread's worker.js we have now eliminated the separate `ww.js` and
Apr 29
Mibi88
2
Apr 13
Unable to use any emscripten.h function which is defined in javascript in a statically linked library
I fixed it: I was compiling to a build/index file and I still had an old JS glue code file so I didn
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Unable to use any emscripten.h function which is defined in javascript in a statically linked library
I fixed it: I was compiling to a build/index file and I still had an old JS glue code file so I didn
Apr 13
Søren Gammelmark
,
Eduard Mironenko
2
Apr 8
A question about BindingType and fallible conversion
Do we get paid for answering these questions or is there any portal that offers tasks that you can
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A question about BindingType and fallible conversion
Do we get paid for answering these questions or is there any portal that offers tasks that you can
Apr 8
Александр Гурьянов
,
Sam Clegg
4
Apr 3
Question About pthread Message Handling in Web Workers
In the old filesystem all FS calls are proxied back to the main thread and run there. The proxying
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Question About pthread Message Handling in Web Workers
In the old filesystem all FS calls are proxied back to the main thread and run there. The proxying
Apr 3
Stephan Bergmann
,
Sam Clegg
2
Apr 2
"Add OpenGL::GL cmake imported targets" breaks Qt6 trunk configure
Thanks for reporting. I think this should fix it: https://github.com/emscripten-core/emscripten/pull/
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"Add OpenGL::GL cmake imported targets" breaks Qt6 trunk configure
Thanks for reporting. I think this should fix it: https://github.com/emscripten-core/emscripten/pull/
Apr 2
fidel e.
Mar 25
ASYNCIFY and BigInt Issue
Hello, I have a C++ class say, class MediaPacket { public: int64_t timestamp; } EMSCRIPTEN_BINDINGS(
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ASYNCIFY and BigInt Issue
Hello, I have a C++ class say, class MediaPacket { public: int64_t timestamp; } EMSCRIPTEN_BINDINGS(
Mar 25
Sam Clegg
Mar 19
Proposal to remove EMULATE_FUNCTION_POINTER_CASTS setting
The primary (known) user of this setting (CPython) decided to go a different route several years ago
unread,
Proposal to remove EMULATE_FUNCTION_POINTER_CASTS setting
The primary (known) user of this setting (CPython) decided to go a different route several years ago
Mar 19
Jeremy Friesner
Mar 18
Best way to pass the C++ object's "this" pointer to a JavaScript callback method?
I'm using the "Non-abstract virtual methods" approach (ie with optional_override()) to
unread,
Best way to pass the C++ object's "this" pointer to a JavaScript callback method?
I'm using the "Non-abstract virtual methods" approach (ie with optional_override()) to
Mar 18
fidel e.
, …
Sam Clegg
5
Mar 13
WASM FS no copy
On Thu, Mar 13, 2025 at 8:35 AM fidel e. <fidel....@gmail.com> wrote: Thank you for your
unread,
WASM FS no copy
On Thu, Mar 13, 2025 at 8:35 AM fidel e. <fidel....@gmail.com> wrote: Thank you for your
Mar 13
