Add build file for mlton wasm compilation #4
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robsimmons
reviewed
Feb 29, 2024
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You're right, that would be better, will do. |
[This pull request against MLton](MLton/mlton#550) enables compiling to WebAssembly, so that twelf can be run from, e.g. inside a web browser. A demo can be seen at: https://jcreedcmu.github.io/twelf-wasm/ Test plan: - ensure that the make target `twelf-server-mlton` still produces a twelf-server binary - ensure that the make target `wasi` produces `bin/twelf.wasm`, when an appropriate version of `mlton` is installed. Detailed instructions for building follow. Comments on the above pull request have more details pertaining to build and install of GMP. Checked out https://github.com/agoode/mlton/tree/wasm2 at commit MLton/mlton@d2b9e5d put into `$BUILD/dev-mlton` and then did the following: ``` MLTON=$BUILD/mlton-wasm2-INSTALL cd $BUILD/dev-mlton make clean make CC=$WASISDK/bin/clang \ AR=$WASISDK/bin/ar \ RANLIB=$WASISDK/bin/ranlib \ TARGET_OS=wasi \ TARGET_ARCH=wasm32 \ TARGET=wasm32-unknown-wasi \ WITH_GMP_DIR=$BUILD/gmp-wasi-INSTALL \ PREFIX=$MLTON \ dirs runtime install-runtime cd $BUILD/dev-mlton make clean make all make PREFIX=$MLTON install cd $BUILD/twelf mlton=$BUILD/mlton-wasm2-INSTALL/bin/mlton make wasi ```
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Since compilation to webassembly with MLTon is demonstrably feasible, I would like to upstream the minor change that was required to get it to work.