Allow including external binaries within klibs with -includeBinary flag.

Link such binaries in case they are javascripts on wasm32.
Otherwise don't do anything useful yet.

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

@@ -87,6 +87,8 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
 
                 arguments.target ?.let{ put(TARGET, it) }
 
+                put(INCLUDED_BINARY_FILES,
+                        arguments.includeBinaries.toNonNullList())
                 put(NATIVE_LIBRARY_FILES,
                         arguments.nativeLibraries.toNonNullList())
                 put(REPOSITORIES,

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

@@ -30,6 +30,9 @@ class K2NativeCompilerArguments : CommonCompilerArguments() {
     @Argument(value = "-enable_assertions", shortName = "-ea", description = "Enable runtime assertions in generated code")
     var enableAssertions: Boolean = false
 
+    @Argument(value = "-includeBinary", shortName = "-ib", valueDescription = "<path>", description = "Pack external binary within the klib")
+    var includeBinaries: Array<String>? = null
+
     @Argument(value = "-library", shortName = "-l", valueDescription = "<path>", description = "Link with the library")
     var libraries: Array<String>? = null
 
@@ -39,7 +42,7 @@ class K2NativeCompilerArguments : CommonCompilerArguments() {
     @Argument(value = "-manifest", valueDescription = "<path>", description = "Provide a maniferst addend file")
     var manifestFile: String? = null
 
-    @Argument(value = "-nativelibrary", shortName = "-nl", valueDescription = "<path>", description = "Include the native library")
+    @Argument(value = "-nativelibrary", shortName = "-nl", valueDescription = "<path>", description = "Include the native bitcode library")
     var nativeLibraries: Array<String>? = null
 
     @Argument(value = "-nomain", description = "Assume 'main' entry point to be provided by external libraries")