ICSQLite:Sqlite backed by stable memory

[paulyoung]

Cross-posting some info I found on linking C code when targeting Wasm.

tl;dr

The C ABI is different and not guaranteed to work.

Improving the utility of stable memory

Regarding SQLite, I tried to get that going a while ago here: Progress stalled when I couldn’t get it to build using Nix. More recently, @FroghubMan got something working here: It’s a very similar approach to the one I took with a more complete example. However, I just learned from the following issues (and other sources) that linking C code and targeting wasm32-unknown-unknown might appear to work but can’t really be relied upon. Currently the wasm32-unknown-emscripten and asmjs-unkno…