backend: implement '-nativelibrary' command line argument

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

@@ -62,6 +62,9 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
             put(LIBRARY_FILES, 
                 arguments.libraries.toNonNullList())
 
+            put(NATIVE_LIBRARY_FILES,
+                    arguments.nativeLibraries.toNonNullList())
+
             // TODO: Collect all the explicit file names into an object 
             // and teach the compiler to work with temporaries and -save-temps.
             val bitcodeFile = if (arguments.nolink) {

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

@@ -21,6 +21,10 @@ public class K2NativeCompilerArguments extends CommonCompilerArguments {
     @ValueDescription("<path>")
     public String[] libraries;
 
+    @Argument(value = "nativelibrary", alias = "nl", description = "Link with the native library")
+    @ValueDescription("<path>")
+    public String[] nativeLibraries;
+
     @Argument(value = "nolink", description = "Don't link, just produce a bitcode file")
     public boolean nolink;