return m
}

// clangos lists the operating systems where we prefer clang to gcc.
var clangos = []string{
	"darwin", "ios", // macOS 10.9 and later require clang
	"freebsd", // FreeBSD 10 and later do not ship gcc
	"openbsd", // OpenBSD ships with GCC 4.2, which is now quite old.
}

// compilerEnvLookup returns the compiler settings for goos/goarch in map m.
// kind is "CC" or "CXX".

==== Backward compatibility

Our approach is to only do backwards-breaking Kotlin upgrades on a major Gradle release. We will always clearly document which Kotlin version we ship and announce upgrade plans before a major release.