Auto link everything found in dist/klib.

Disable such behavior with -nodefaultlibs.
Omit libraries from the link stage if their packages have not been referenced.

backend.native/cli.bc/src/org/jetbrains/kotlin/cli/bc/K2Native.kt

@@ -78,6 +78,7 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
         with(KonanConfigKeys) {
             with(configuration) {
 
+                put(NODEFAULTLIBS, arguments.nodefaultlibs)
                 put(NOSTDLIB, arguments.nostdlib)
                 put(NOPACK, arguments.nopack)
                 put(NOMAIN, arguments.nomain)

backend.native/cli.bc/src/org/jetbrains/kotlin/cli/bc/K2NativeCompilerArguments.kt

@@ -48,6 +48,9 @@ class K2NativeCompilerArguments : CommonCompilerArguments() {
     @Argument(value = "-nativelibrary", shortName = "-nl", valueDescription = "<path>", description = "Include the native bitcode library")
     var nativeLibraries: Array<String>? = null
 
+    @Argument(value = "-nodefaultlibs", description = "Don't link the libraries from dist/klib automatically")
+    var nodefaultlibs: Boolean = false
+
     @Argument(value = "-nomain", description = "Assume 'main' entry point to be provided by external libraries")
     var nomain: Boolean = false