30 lines
983 B
Markdown
30 lines
983 B
Markdown
# Emscripten
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This file is a bit of notes on the Emscripten changes to the C code.
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# Makefile
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I added a `Makefile` to the project. A few key things here.
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* warnings flags etc to in `CLANG_WARN_FLAGS`
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* compile time `#define` go in `CLANG_OTHER_FLAGS`
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* Every .c .cpp file goes in `CPP_FILES`
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* Every .h .hpp file goes in `HPP_FILES` however not required
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* This is only required if you want make "sensativity" to work correctly
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* The emscripten `.js` file is minified by default. to disable this run
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* `NOOPT=1 make wasm`
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* Doing this will also compile the c code with `O0`
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* Any c functions you want to access from javascript must be added to `EXPORT_STRING`
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* When you add them, you must add a `_` prefix
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# Install
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I tested this project with `1.39.11`
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```bash
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git clone https://github.com/emscripten-core/emsdk.git
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cd emsdk/
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git pull
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./emsdk install latest
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./emsdk activate latest
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source ./emsdk_env.sh
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```
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See https://emscripten.org/docs/getting_started/downloads.html
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