An easy to use C++ to WASM compiler (Highly-experimental)
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README.md

holyc

Installation

npm install -g holyc

The first installation will be slow.

Usage for C++

holyc++ path/to/something.cpp

The WASM binary will then be available at something.cpp.wasm.

Options

name description
--show-wast Show wast output
--no-clean Disable cleaning of intermediate formats

FAQ

How does it compare to Emscripten

Emscripten is able to compile the libc where Holyc won't.

You can easily reproduce this benchmark by following C_to_wasm.

hello.c:

int main() {
  return 0;
}

Emscripten:

file size (bytes)
hello.wasm 21856
hello.js (loader) 99710

Holyc:

file size (bytes)
hello.wasm 78
hello.js (loader) unknown currently (see here for a hint)