Adding symbol into EXPORTED_RUNTIME_METHODS from macro in JS library doesn't work since 3.1.60 #23057
Description
Version of emscripten/emsdk:
emcc (Emscripten gcc/clang-like replacement + linker emulating GNU ld) 3.1.60 (42a6ea2052f19f70d7d994e8c324bcad2f1f8939)
clang version 19.0.0git (https:/github.com/llvm/llvm-project bc9823cf60bf91cc8b45248c4205cd2c67b2a3d5)
Target: wasm32-unknown-emscripten
Thread model: posix
InstalledDir: /Users/toyobayashi/code/github/emsdk/upstream/bin
Reproduce repository:
https://github.com/toyobayashi/emscripten-exported-runtime-methods-3160-repro
Full link command and output with -v appended:
https://github.com/toyobayashi/emscripten-exported-runtime-methods-3160-repro/actions/runs/12132338450/job/33826053152
lib.c:
#include <emscripten.h>
EMSCRIPTEN_KEEPALIVE
void _my_library_init() {}lib.js:
{{{ ((DEFAULT_LIBRARY_FUNCS_TO_INCLUDE instanceof Set ? DEFAULT_LIBRARY_FUNCS_TO_INCLUDE.add("$myLibraryInit") : DEFAULT_LIBRARY_FUNCS_TO_INCLUDE.indexOf("$myLibraryInit") === -1 ? DEFAULT_LIBRARY_FUNCS_TO_INCLUDE.push("$myLibraryInit") : undefined), "") }}}
{{{ ((EXPORTED_RUNTIME_METHODS instanceof Set ? EXPORTED_RUNTIME_METHODS.add("myLibraryInit") : EXPORTED_RUNTIME_METHODS.indexOf("myLibraryInit") === -1 ? EXPORTED_RUNTIME_METHODS.push("myLibraryInit") : undefined), "") }}}
addToLibrary({
$myLibraryInitOptions: {},
$myLibraryInit (options) {
Object.assign(myLibraryInitOptions, options || {})
__my_library_init()
},
$myLibraryInit__deps: ['_my_library_init', '$myLibraryInitOptions'],
})Command:
emcc -sMODULARIZE=1 -sEXPORT_NAME=lib --js-library=./src/lib.js -v -o ./out/lib.js ./src/lib.cindex.js:
const init = require('./out/lib.js')
init().then(Module => {
console.log(Module.myLibraryInit)
Module.myLibraryInit()
})3.1.59 output:
[Function: myLibraryInit]
3.1.60 and latest 3.1.73 output:
Aborted('myLibraryInit' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ))
/home/runner/work/emscripten-exported-runtime-methods-3160-repro/emscripten-exported-runtime-methods-3160-repro/out/lib.js:597
var e = new WebAssembly.RuntimeError(what);
^
RuntimeError: Aborted('myLibraryInit' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ))
at abort (/home/runner/work/emscripten-exported-runtime-methods-3160-repro/emscripten-exported-runtime-methods-3160-repro/out/lib.js:597:[11](https://github.com/toyobayashi/emscripten-exported-runtime-methods-3160-repro/actions/runs/12132338450/job/33826053152#step:7:12))
at Object.get (/home/runner/work/emscripten-exported-runtime-methods-3160-repro/emscripten-exported-runtime-methods-3160-repro/out/lib.js:918:9)
at /home/runner/work/emscripten-exported-runtime-methods-3160-repro/emscripten-exported-runtime-methods-3160-repro/index.js:3:22
Node.js v20.18.1