wasi-sdk-21

This release updates LLVM to v17 (#362) and adds shared library support (#338). It also includes various smaller fixes to wasi-libc, CMake files, and the project's build scripts.

What's Changed

• Pass through extra flags to libcxx build by @alexcrichton in #322
• ci: improve the release scripts by @abrown in #318
• wasi-sdk-pthread.cmake: add --import-memory by @yamt in #297
• tests: use latest wasmtime for testing by @TerrorJack in #327
• ci: build fewer LLVM components by @abrown in #309
• Fix build on non-x86_64 Linux by @alexcrichton in #321
• Improve README.md by @abrown in #331
• Add a testcase for getentropy by @caspervonb in #169
• ci: ensure LLVM_CMAKE_FLAGS additions are kept by @abrown in #337
• Add wasi-sdk-pthread.cmake to docker image to allow enabling it with env by @anuraaga in #339
• Bump wasi-libc by @yamt in #340
• Update README.md, spelling mistake by @michaellilltokiwa in #343
• Bump wasi-libc by @yamt in #344
• Do not use GNU find features on FreeBSD by @kiancross in #345
• Set CMake module path by @arvid-norlander in #335
• Enhancement of WASI_SDK_PREFIX in toolchain files by @lum1n0us in #349
• Fix submodule update by @yamt in #354
• Update LLVM to 17 by @yamt in #352
• Bump LLVM version to 17.0.6 by @dicej in #362
• add shared library support by @dicej in #338
• Update wasi-libc by @abrown in #366

New Contributors

• @caspervonb made their first contribution in #169
• @michaellilltokiwa made their first contribution in #343
• @kiancross made their first contribution in #345
• @arvid-norlander made their first contribution in #335
• @lum1n0us made their first contribution in #349
• @dicej made their first contribution in #362

Full Changelog: wasi-sdk-20...wasi-sdk-21