Emscripten compilation error

[mplsgrant]

I receive the following compilation error when compiling to Emscripten as per the instructions here:

wasm-ld: error: --shared-memory is disallowed by btcdeb-instance.o because it was not compiled with 'atomics' or 'bulk-memory' features.

My Emscripten SDK is at the following version:

$ emcc -v
emcc (Emscripten gcc/clang-like replacement + linker emulating GNU ld) 3.1.2 (a77b559a8b40b7e89fc8c17e41034128df9543e4)
clang version 14.0.0 (https://github.com/llvm/llvm-project 782c0dd1a1c235afb09a34e7da4a1267ead14765)
Target: wasm32-unknown-emscripten
Thread model: posix

I attempted the compilation on both the master branch and the 0.3.20 tag.

A bit of research led me to believe that the makefile could have an issue with pthread flags; however, I don't have the ability to pursue that lead meaningfully. Any help would be greatly appreciated. Thank you!

[kallewoof]

Your research link is leading to an error page.

I haven't done any emscripten compiling for a good while (someone asked for it years ago but it's not been actively maintained since).

I'll see if I can get it working, but no promises.

[mplsgrant]

Thanks for taking a look.

Here's another copy of the research link (which is actually just a google group discussion).

[kallewoof]

I'm not making a lot of progress on this one for now. If you (or someone?) figures something out, please let me know. I'll probably look again but not sure when.