Support static ObjC frameworks

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

@@ -149,6 +149,7 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
                 put(LIST_TARGETS, arguments.listTargets)
                 put(OPTIMIZATION, arguments.optimization)
                 put(DEBUG, arguments.debug)
+                put(STATIC_FRAMEWORK, selectFrameworkType(configuration, arguments, outputKind))
 
                 put(PRINT_IR, arguments.printIr)
                 put(PRINT_IR_WITH_DESCRIPTORS, arguments.printIrWithDescriptors)
@@ -219,6 +220,23 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
     }
 }
 
+private fun selectFrameworkType(
+    configuration: CompilerConfiguration,
+    arguments: K2NativeCompilerArguments,
+    outputKind: CompilerOutputKind
+): Boolean {
+    return if (outputKind != CompilerOutputKind.FRAMEWORK && arguments.staticFramework) {
+        configuration.report(
+            STRONG_WARNING,
+            "'$STATIC_FRAMEWORK_FLAG' is only supported when producing frameworks, " +
+            "but the compiler is producing ${outputKind.name.toLowerCase()}"
+        )
+        false
+    } else {
+       arguments.staticFramework
+    }
+}
+
 private fun selectBitcodeEmbeddingMode(
         configuration: CompilerConfiguration,
         arguments: K2NativeCompilerArguments,

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

@@ -134,6 +134,9 @@ class K2NativeCompilerArguments : CommonCompilerArguments() {
     @Argument(value = "-Xruntime", deprecatedName = "--runtime", valueDescription = "<path>", description = "Override standard 'runtime.bc' location")
     var runtimeFile: String? = null
 
+    @Argument(value = STATIC_FRAMEWORK_FLAG, description = "Create a framework with a static library instead of a dynamic one")
+    var staticFramework: Boolean = false
+
     @Argument(value = "-Xtemporary-files-dir", deprecatedName = "--temporary_files_dir", valueDescription = "<path>", description = "Save temporary files to the given directory")
     var temporaryFilesDir: String? = null
 
@@ -168,3 +171,4 @@ class K2NativeCompilerArguments : CommonCompilerArguments() {
 
 const val EMBED_BITCODE_FLAG = "-Xembed-bitcode"
 const val EMBED_BITCODE_MARKER_FLAG = "-Xembed-bitcode-marker"
+const val STATIC_FRAMEWORK_FLAG = "-Xstatic-framework"

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanConfigurationKeys.kt

@@ -88,6 +88,8 @@ class KonanConfigKeys {
                 = CompilerConfigurationKey.create("override default runtime file path")
         val SOURCE_MAP: CompilerConfigurationKey<List<String>> 
                 = CompilerConfigurationKey.create("generate source map")
+        val STATIC_FRAMEWORK: CompilerConfigurationKey<Boolean>
+                = CompilerConfigurationKey.create("Produce a static library for a framework")
         val TARGET: CompilerConfigurationKey<String?>
                 = CompilerConfigurationKey.create("target we compile for")
         val TEMPORARY_FILES_DIR: CompilerConfigurationKey<String?>

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/LinkStage.kt

@@ -15,6 +15,18 @@ typealias BitcodeFile = String
 typealias ObjectFile = String
 typealias ExecutableFile = String
 
+private fun determineLinkerOutput(context: Context): LinkerOutputKind =
+    when (context.config.produce) {
+        CompilerOutputKind.FRAMEWORK -> {
+            val staticFramework = context.config.configuration.getBoolean(KonanConfigKeys.STATIC_FRAMEWORK)
+            if (staticFramework) LinkerOutputKind.STATIC_LIBRARY else LinkerOutputKind.DYNAMIC_LIBRARY
+        }
+        CompilerOutputKind.DYNAMIC -> LinkerOutputKind.DYNAMIC_LIBRARY
+        CompilerOutputKind.STATIC -> LinkerOutputKind.STATIC_LIBRARY
+        CompilerOutputKind.PROGRAM -> LinkerOutputKind.EXECUTABLE
+        else -> TODO("${context.config.produce} should not reach native linker stage")
+    }
+
 internal class LinkStage(val context: Context) {
 
     private val config = context.config.configuration
@@ -24,12 +36,8 @@ internal class LinkStage(val context: Context) {
 
     private val optimize = context.shouldOptimize()
     private val debug = context.config.debug
-    private val linkerOutput = when (context.config.produce) {
-        CompilerOutputKind.DYNAMIC, CompilerOutputKind.FRAMEWORK -> LinkerOutputKind.DYNAMIC_LIBRARY
-        CompilerOutputKind.STATIC -> LinkerOutputKind.STATIC_LIBRARY
-        CompilerOutputKind.PROGRAM -> LinkerOutputKind.EXECUTABLE
-        else -> TODO("${context.config.produce} should not reach native linker stage")
-    }
+    private val linkerOutput = determineLinkerOutput(context)
+
     private val nomain = config.get(KonanConfigKeys.NOMAIN) ?: false
     private val emitted = context.bitcodeFileName
     private val libraries = context.llvm.librariesToLink