This repository contained build scripts for building WebAssembly toolchain
components (including LLVM, Binaryen, and Emscripten). Eventually it was
only used for the "emscripten-releases" builders used to build binary
distributions for EMSDK on top of Chromium's infrastructure. So, we
have moved it a Chromium repository for ease of development. You can
find it in the src/ subdirectory of the
emscripten-releases
repository.