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https://blog.pyodide.org/posts/0.19-release

Pyodide 0.19.0 release

Pyodide 0.19 is a major release focused on improving the build system, updating scientific computing packages, and improving the workflow for loading Python code. Here are a few highlights. For the complete list of changes see the changelog. Removal of function pointer cast emulation Some Python C extensions use function pointer casting, which is an unspecified behavior according to the C specification. However, all common native C compilers generate code that works fine. This is not the case with Emscripten when building for WebAssembly, which will fail on function pointer casts. As a workaround we have been using Emscripten’s -s EMULATE_FUNCTION_POINTER_CASTS flag, which emits code to emulate function pointer casts at runtime. This has significant overhead.



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Pyodide 0.19.0 release

https://blog.pyodide.org/posts/0.19-release

Pyodide 0.19 is a major release focused on improving the build system, updating scientific computing packages, and improving the workflow for loading Python code. Here are a few highlights. For the complete list of changes see the changelog. Removal of function pointer cast emulation Some Python C extensions use function pointer casting, which is an unspecified behavior according to the C specification. However, all common native C compilers generate code that works fine. This is not the case with Emscripten when building for WebAssembly, which will fail on function pointer casts. As a workaround we have been using Emscripten’s -s EMULATE_FUNCTION_POINTER_CASTS flag, which emits code to emulate function pointer casts at runtime. This has significant overhead.



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https://blog.pyodide.org/posts/0.19-release

Pyodide 0.19.0 release

Pyodide 0.19 is a major release focused on improving the build system, updating scientific computing packages, and improving the workflow for loading Python code. Here are a few highlights. For the complete list of changes see the changelog. Removal of function pointer cast emulation Some Python C extensions use function pointer casting, which is an unspecified behavior according to the C specification. However, all common native C compilers generate code that works fine. This is not the case with Emscripten when building for WebAssembly, which will fail on function pointer casts. As a workaround we have been using Emscripten’s -s EMULATE_FUNCTION_POINTER_CASTS flag, which emits code to emulate function pointer casts at runtime. This has significant overhead.

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      Pyodide 0.19 is a major release focused on improving the build system, updating scientific computing packages, and improving the workflow for loading Python code. Here are a few highlights. For the complete list of changes see the changelog. Removal of function pointer cast emulation Some Python C extensions use function pointer casting, which is an unspecified behavior according to the C specification. However, all common native C compilers generate code that works fine. This is not the case with Emscripten when building for WebAssembly, which will fail on function pointer casts. As a workaround we have been using Emscripten’s -s EMULATE_FUNCTION_POINTER_CASTS flag, which emits code to emulate function pointer casts at runtime. This has significant overhead.
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      Pyodide 0.19 is a major release focused on improving the build system, updating scientific computing packages, and improving the workflow for loading Python code. Here are a few highlights. For the complete list of changes see the changelog. Removal of function pointer cast emulation Some Python C extensions use function pointer casting, which is an unspecified behavior according to the C specification. However, all common native C compilers generate code that works fine. This is not the case with Emscripten when building for WebAssembly, which will fail on function pointer casts. As a workaround we have been using Emscripten’s -s EMULATE_FUNCTION_POINTER_CASTS flag, which emits code to emulate function pointer casts at runtime. This has significant overhead.
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