README

LLVM's libcxx

These files are from the llvm-project based on release 21.1.8.

We maintain a local fork of llvm-project that contains any Emscripten specific patches:

https://github.com/emscripten-core/llvm-project

The current patch is based on the emscripten-libs-21 branch.

Update Instructions

Run system/lib/update_libcxx.py path/to/llvm-project

Modifications

For a list of changes from upstream see the libcxx files that are part of:

https://github.com/llvm/llvm-project/compare/llvmorg-21.1.8...emscripten-core:emscripten-libs-21