Renamed -Xklib-mpp to -Xexpect-actual-linker to reduce user confusion

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/native/tasks/KotlinNativeTasks.kt

@@ -250,7 +250,7 @@ abstract class AbstractKotlinNativeCompile<T : KotlinCommonToolOptions> : Abstra
         addArg("-p", outputKind.name.toLowerCase())
 
         if (compilation is KotlinSharedNativeCompilation) {
-            add("-Xklib-mpp")
+            add("-Xexpect-actual-linker")
             add("-Xmetadata-klib")
         }
 

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/KotlinCompileCommon.kt

@@ -60,7 +60,7 @@ open class KotlinCompileCommon : AbstractKotlinCompile<K2MetadataCompilerArgumen
         args.moduleName = this@KotlinCompileCommon.moduleName
 
         if ((taskData.compilation as? KotlinCommonCompilation)?.isKlibCompilation == true) {
-            args.klibBasedMpp = true
+            args.expectActualLinker = true
         }
 
         if (defaultsOnly) return
@@ -105,4 +105,4 @@ open class KotlinCompileCommon : AbstractKotlinCompile<K2MetadataCompilerArgumen
         )
         compilerRunner.runMetadataCompilerAsync(sourceRoots.kotlinSourceFiles, args, environment)
     }
-}
+}