[CLI] Allow using -Xshort-module-name for klib compilation only

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

@@ -124,7 +124,6 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
                 put(LINKER_ARGS, arguments.linkerArguments.toNonNullList() +
                         arguments.singleLinkerArguments.toNonNullList())
                 arguments.moduleName?.let{ put(MODULE_NAME, it) }
-                arguments.shortModuleName?.let { put(SHORT_MODULE_NAME, it) }
                 arguments.target?.let{ put(TARGET, it) }
 
                 put(INCLUDED_BINARY_FILES,
@@ -229,6 +228,10 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
                 libraryToAddToCache?.let { put(LIBRARY_TO_ADD_TO_CACHE, it) }
                 put(CACHE_DIRECTORIES, cacheDirectories)
                 put(CACHED_LIBRARIES, parseCachedLibraries(arguments, configuration))
+
+                parseShortModuleName(arguments, configuration, outputKind)?.let {
+                    put(SHORT_MODULE_NAME, it)
+                }
             }
         }
     }
@@ -374,5 +377,25 @@ private fun parseLibraryToAddToCache(
     }
 }
 
+// TODO: Support short names for current module in ObjC export and lift this limitation.
+private fun parseShortModuleName(
+        arguments: K2NativeCompilerArguments,
+        configuration: CompilerConfiguration,
+        outputKind: CompilerOutputKind
+): String? {
+    val input = arguments.shortModuleName
+
+    return if (input != null && outputKind != CompilerOutputKind.LIBRARY) {
+        configuration.report(
+                STRONG_WARNING,
+                "$SHORT_MODULE_NAME_ARG is only supported when producing a Kotlin library, " +
+                    "but the compiler is producing ${outputKind.name.toLowerCase()}"
+        )
+        null
+    } else {
+        input
+    }
+}
+
 fun main(args: Array<String>) = K2Native.main(args)
 fun mainNoExit(args: Array<String>) = K2Native.mainNoExit(args)

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

@@ -200,7 +200,7 @@ class K2NativeCompilerArguments : CommonCompilerArguments() {
     var includes: Array<String>? = null
 
     @Argument(
-        value = "-Xshort-module-name",
+        value = SHORT_MODULE_NAME_ARG,
         valueDescription = "<name>",
         description = "A short name used to denote this library in the IDE and in a generated Objective-C header"
     )
@@ -282,3 +282,4 @@ const val INCLUDE_ARG = "-Xinclude"
 const val CACHED_LIBRARY = "-Xcached-library"
 const val MAKE_CACHE = "-Xmake-cache"
 const val ADD_CACHE = "-Xadd-cache"
+const val SHORT_MODULE_NAME_ARG = "-Xshort-module-name"

utilities/src/main/kotlin/org/jetbrains/kotlin/cli/utilities/InteropCompiler.kt

@@ -4,6 +4,7 @@
  */
 package org.jetbrains.kotlin.cli.utilities
 
+import org.jetbrains.kotlin.cli.bc.SHORT_MODULE_NAME_ARG
 import org.jetbrains.kotlin.konan.file.File
 import org.jetbrains.kotlin.konan.target.PlatformManager
 import org.jetbrains.kotlin.native.interop.gen.jvm.InternalInteropOptions
@@ -69,7 +70,7 @@ fun invokeInterop(flavor: String, args: Array<String>): Array<String>? {
         (if (purgeUserLibs) arrayOf("-$PURGE_USER_LIBS") else emptyArray()) +
         (if (nopack) arrayOf("-$NOPACK") else emptyArray()) +
         moduleName?.let { arrayOf("-module-name", it) }.orEmpty() +
-        shortModuleName?.let { arrayOf("-Xshort-module-name=$it") }.orEmpty() +
+        shortModuleName?.let { arrayOf("$SHORT_MODULE_NAME_ARG=$it") }.orEmpty() +
         arguments.kotlincOption
 }