the SDK ‘MacOSX10.9.sdk’ does not support Swift

If you work with OS X 10.9 and want to have swift at your console, just specify new SDK location as parameter.

// this is test.swift
println("Hello")

/Applications/Xcode6-Beta6.app/Contents/Developer/\
Toolchains/XcodeDefault.xctoolchain/usr/bin/swift \
-target x86_64-apple-macosx10.9 -sdk \
/Applications/Xcode6-Beta6.app/Contents/Developer/\
Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk test.swift