BuildModeSupported reports whether goos/goarch supports the given build mode using the given compiler.

MSanSupported reports whether goos/goarch supports the memory sanitizer option.

MustLinkExternal reports whether goos/goarch requires external linking.

RaceDetectorSupported reports whether goos/goarch supports the race detector.

Arch represents an individual architecture.

ArchFamily represents a family of one or more related architectures.