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JF Bastien 2016-01-31 06:57:10 -08:00
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@ -18,23 +18,23 @@ You can build everything yourself using the waterfall's
[build.py](https://github.com/WebAssembly/waterfall/tree/master/src/build.py). [build.py](https://github.com/WebAssembly/waterfall/tree/master/src/build.py).
Compile your program using LLVM: Compile your program using LLVM:
```
clang -S foo.c clang -S foo.c
```
Creates a `.s` assembly file. Link it: Creates a `.s` assembly file. Link it:
```
s2wasm foo.s -o foo.wast s2wasm foo.s -o foo.wast
```
Creates a `.wast` WebAssembly s-expression. Assemble it: Creates a `.wast` WebAssembly s-expression. Assemble it:
```
sexpr-wasm foo.wast -o foo.wasm sexpr-wasm foo.wast -o foo.wasm
```
You now have a WebAssembly binary file. You now have a WebAssembly binary file.
Run `.wasm` files which import libc functions: Run `.wasm` files which import libc functions:
```
d8 --expose-wasm musl/arch/wasm32/wasm.js -- foo.wasm musl-out/musl.wasm d8 --expose-wasm musl/arch/wasm32/wasm.js -- foo.wasm musl-out/musl.wasm
```
This may work... or not. File bugs on what's broken, or send patches! This may work... or not. File bugs on what's broken, or send patches!
## libc + dynamic linking: how does it work? ## libc + dynamic linking: how does it work?