Added Emscripten documentation#4115
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… + emcc) (#18432) Changelog: Feature: Added first class citizen emscripten support (new wasm64 architecture + emcc) Docs: conan-io/docs#4115 Examples2: conan-io/examples2#184 This PR adds updated support to `wasm` (32 bits) and `asm.js` and introduces new architecture `wasm64`.
examples/cross_build/emscripten.rst
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| [conf] | ||
| tools.build:compiler_executables={'c':'/path/to/emcc', 'cpp':'/path/to/em++'} | ||
| # Add native Emscripten toolchain | ||
| # tools.cmake.cmaketoolchain:user_toolchain=["/path/to/emsdk/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake"] |
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Why this is commented? When it is necessary?
Maybe better to keep it simple and remove it?
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Okey I'll remove it. The reason of adding this line derives from a conan issue where the user found out that adding that extra toolchain fixed a problem he has while using its native installation of emsdk.
This is not necessary when using our packaged emsdk
examples/cross_build/emscripten.rst
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| Also, when requiring ``emsdk`` package as a tool, it is recommended to use it this way: | ||
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| .. code-block:: python | ||
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| self.tool_requires("emsdk/[*]", package_id_mode="patch_mode") |
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Not great, adding this in recipes is not the best approach, better keep the tool-requires in profiles only
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Okay I'll remove it
examples/cross_build/emscripten.rst
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| What’s the difference between asm.js and WASM? | ||
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| - **asm.js** is a subset of JavaScript optimized for speed. It is fully supported by all browsers (even older ones) and compiles to a large ``.js`` file. |
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Is asm.js kind of deprecated, superseded by Wasm already?
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Yes, but it is still used so seems reasonable to add the docs for it. But I'll move it to a secondary position to make WASM more relevant
Co-authored-by: James <memsharded@gmail.com>
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Examples2 PR: conan-io/examples2#184
Client PR's:
conan-io/conan#18432
conan-io/conan#18520