Surma comments

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                                            Surma

Avoid stdlib printing to stdout/stderr?

@sbc100 Wondering if you have an idea on how to solve this? (Is Emscripten’s libc++ patched to handle this differently somehow?)

Avoid stdlib printing to stdout/stderr?

I just re-built wasi-sdk `master` branch and my repro above still emits a wasm binary that expects `wasi_snapshot_preview1::{fd_close, fd_seek, fd_write}` imports. Am I doing something wrong when compiling wasi-sdk or...

Avoid stdlib printing to stdout/stderr?

I am not quite sure how to get meaningful output from the symbol trace: ``` $ clang++ --target=wasm32-wasi -O0 -Wl,--trace-symbol=__wasi_fd_read -flto -Wl,--lto-O3 -fno-exceptions --sysroot=$WASI_SDK/share/wasi-sysroot -o test.wasm ./test.cpp $WASI_SDK/share/wasi-sysroot/lib/wasm32-wasi/libc.a: lazy definition...

Avoid stdlib printing to stdout/stderr?

I don’t mean to nag, but I do want to find a solution to this :D Is there anything else I can provide to isolate what the cause is? Is...

Avoid stdlib printing to stdout/stderr?

Yeah, `abort_message` seems to be the reason that this gets compiled, which I think `twiggy` also kinda confirmed. I was more looking for insight _what to do about it_. Looking...

Avoid stdlib printing to stdout/stderr?

After looking into it a bit more, it seems that [`LIBCXX_ENABLE_ASSERTIONS` is enabled by default](https://github.com/llvm/llvm-project/blob/c9e9635ffef781c32a839a77d122d7930edfc9b2/libcxxabi/CMakeLists.txt#L83) which in turn [forces `NDEBUG` to be unset](https://github.com/llvm/llvm-project/blob/c9e9635ffef781c32a839a77d122d7930edfc9b2/libcxxabi/CMakeLists.txt#L373-L382), which means the `#ifdef` is _always_ true...