I have solved it!
```cmake
if(CMAKE_SYSTEM_NAME MATCHES Emscripten)
set(CMAKE_EXECUTABLE_SUFFIX ".html" CACHE INTERNAL "")
#SET(EMSCRIPTEN_LINK_FLAGS "-lwebsocket.js")
target_link_options("${EXECUTABLE_NAME}" PRIVATE "-lwebsocket.js")
```
On Sun, Jul 7, 2024 at 5:37 AM Ivan Enzhaev <8observ...@gmail.com> wrote:
> rajsite helped here:
> https://discord.com/channels/453584038356058112/590215642444202044/1259309132440277072
> I should use a loop. I try SDL3 with this template:
> https://github.com/Ravbug/sdl3-sample I need to add -lwebsocket.js to
> CMakeLists.txt. I try this: SET(EMSCRIPTEN_LINK_FLAGS "-lwebsocket.js")
> But it didn't help
>
> On Sun, Jul 7, 2024 at 4:39 AM Ivan Enzhaev <8observ...@gmail.com> wrote:
>
>> Hello,
>>
>> I try to run the shorter version this example:
>> https://gist.github.com/nus/564e9e57e4c107faa1a45b8332c265b9
>>
>> I compile with this command: emcc -lwebsocket.js -g src/client/main.cpp
>> -o public/main.html
>> It compiles without problems:
>>
>> ```
>> emcc -lwebsocket.js -g src/client/main.cpp -o public/main.html
>> cache:INFO: generating system asset:
>> symbol_lists/f1b6fbba91d4f7c17e21f323c8df509adb00db34.json... (this will be
>> cached in
>> "C:\emsdk\upstream\emscripten\cache\symbol_lists\f1b6fbba91d4f7c17e21f323c8df509adb00db34.json"
>> for subsequent builds)
>> ```
>>
>> ```cpp
>> #include <emscripten/websocket.h>
>>
>> #include <iostream>
>>
>> EM_BOOL onopen(int eventType, const EmscriptenWebSocketOpenEvent
>> *websocketEvent, void *userData) {
>> std::cout << "onopen" << std::endl;
>> return EM_TRUE;
>> }
>>
>> int main()
>> {
>> EmscriptenWebSocketCreateAttributes ws_attrs = {
>> "wss://localhost:3000",
>> NULL,
>> EM_TRUE
>> };
>>
>> EMSCRIPTEN_WEBSOCKET_T ws = emscripten_websocket_new(&ws_attrs);
>> emscripten_websocket_set_onopen_callback(ws, NULL, onopen);
>> return 0;
>> }
>> ```
>>
>> But I have the error in the browser:
>>
>> ```
>>
>> main.js:666 Aborted(malloc() called but not included in the build - add
>> '_malloc' to EXPORTED_FUNCTIONS)
>> main.js:685 Uncaught (in promise)
>> RuntimeError: Aborted(malloc() called but not included in the build - add
>> '_malloc' to EXPORTED_FUNCTIONS) at abort (main.js:685:11) at _malloc (
>> main.js:379:3) at _emscripten_websocket_set_onopen_callback_on_thread (
>> main.js:1219:45) at __original_main (main.wasm:0x156f) at main (
>> main.wasm:0x2584) at main.js:723:22 at callMain (main.js:4625:15) at
>> doRun (main.js:4675:23) at run (main.js:4690:5) at runCaller (
>> main.js:4610:19)
>> ```
>>
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>>
>
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