* [llvm] update to 12.0.0, enable zlib and libxml2
* [llvm] disable libxml2 by default, arm64-windows should be supported
* [llvm] try to fix build with ffi on Windows #17663
* [llvm] re-enable libxml2
* [llvm] fix formatting
* [llvm] overwrite version
* [mesa] update to v21.1.0
* [llvm] update ci.baseline
* [halide] update to the latest master commit
* [llvm] disable libxml2 port until complete PR #15390
* update versions
* [llvm] fix disabling of external libraries
* update version
* update ci.baseline
* update ci.baseline
* fix typo
* [llvm] fix libxml2 (depends on #17945)
* revert "[halide] update to the latest master commit"
* update versions
* [halide] fix zlib dependency for tools
* update versions
* [halide] update to official release v12.0.0
* update versions
* [halide] update to v12.0.1
* update version
* [mesa] remove llvm from defaults
* update version
* update ci.baseline
* [mesa] update to v21.1.2 and fix build with LLVM on Windows
* [llvm] allow to build libunwind project on Windows
* update versions
* [mesa] update ci.baseline.txt to disable x64-windows-static-md, may be fixed in the PR #18495
* [vcpkg] allow to use semicolons in COMMAND argument
* [llvm] update to 11.0.0
* [vcpkg] use latest version
* [vcpkg] allow to use semicolons in OPTIONS
* fix vcpkg_fixup_cmake_targets
* [llvm] fix more install paths, add /bigobj option, fix up CMake targets
* Apply suggestions from code review
* [llvm] fix clang, flang, lld, mlir and polly CMake targets
* [llvm] remove empty include directory /include/flang/Config
* [llvm] Flang requires C++17
* [llvm] add /Zc:__cplusplus
* [llvm] remove empty include directory include/clang-tidy/plugin
* [llvm] try to fix ClangConfig.cmake, LLVMConfig.cmake, LLDConfig.cmake etc. with patch
* [llvm] set tools install dir to tools/llvm
* [aws-sdk-cpp] fix build after changes in vcpkg_configure_cmake.cmake
* [llvm] disable Flang and OpenMP on Windows
Co-authored-by: Nicole Mazzuca <mazzucan@outlook.com>