Build fail on CMake Warning on Windows 10

[huangjj27]

I don't think this warning should fail the build

error: failed to run custom build command for `wasmtime-wasi v0.0.0 (E:\learning-rust\wasmtime\wasmtime-wasi)`
process didn't exit successfully: `E:\learning-rust\wasmtime\target\debug\build\wasmtime-wasi-859fedd66220ddbd\build-script-build` (exit code: 101)
--- stderr
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_BUILD_TYPE
    CMAKE_CXX_FLAGS
    CMAKE_CXX_FLAGS_DEBUG


thread 'main' panicked at '
command did not execute successfully, got: exit code: 1

build script failed, must exit now', C:\Users\34937\.cargo\registry\src\mirrors.ustc.edu.cn-61ef6e0cd06fb9b8\cmake-0.1.38\src\lib.rs:813:5
note: Run with `RUST_BACKTRACE=1` environment variable to display a backtrace.

warning: build failed, waiting for other jobs to finish...
error: build failed

[sunfishcode]

Wasmtime doesn't yet support Windows. It's a goal to do so, though we haven't yet gotten to it. If anyone is interested in helping with this, I'd be happy to mentor!

[tschneidereit]

Building on Windows should work now, so I'm closing this. Please reopen if you're still running into issues.