Basic native support in kotlin-multiplatform (#1811)

* Add dependency on KN shared in gradle-plugin

* Basic support for Kotlin/Native:
     * Target presets
     * Compilation into a klib
     * Compilation into native binraies: framework and executable
     * Basic dependencies between projects
     * No jars in native publications
     * Replace '-' with '_' in framework names
    * Escape quotes in native command lines on Windows
* Move targets from Kotlin/Native repo
* Download KN compiler using Gradle's mechanisms
* Support source set dependencies in native

konan/utils/build.gradle.kts

@@ -0,0 +1,21 @@
+plugins {
+    kotlin("jvm")
+    id("jps-compatible")
+}
+
+description = "Kotlin/Native utils"
+
+jvmTarget = "1.6"
+
+dependencies {
+    compile(projectDist(":kotlin-stdlib"))
+}
+
+sourceSets {
+    "main" { projectDefault() }
+    "test" {}
+}
+
+standardPublicJars()
+
+publish()

konan/utils/src/org/jetbrains/kotlin/konan/KonanVersion.kt

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.konan
+
+import java.io.Serializable
+
+interface KonanVersion : Serializable {
+    val meta: MetaVersion
+    val major: Int
+    val minor: Int
+    val maintenance: Int
+    val build: Int
+
+    fun toString(showMeta: Boolean, showBuild: Boolean): String
+
+    companion object
+}
+
+data class KonanVersionImpl(
+        override val meta: MetaVersion = MetaVersion.DEV,
+        override val major: Int,
+        override val minor: Int,
+        override val maintenance: Int,
+        override val build: Int = -1
+) : KonanVersion {
+
+    override fun toString(showMeta: Boolean, showBuild: Boolean) = buildString {
+        append(major)
+        append('.')
+        append(minor)
+        if (maintenance != 0) {
+            append('.')
+            append(maintenance)
+        }
+        if (showMeta) {
+            append('-')
+            append(meta.metaString)
+        }
+        if (showBuild && build != -1) {
+            append('-')
+            append(build)
+        }
+    }
+
+    private val isRelease: Boolean
+        get() = meta == MetaVersion.RELEASE
+
+    private val versionString by lazy { toString(!isRelease, !isRelease) }
+
+    override fun toString() = versionString
+}

konan/utils/src/org/jetbrains/kotlin/konan/MetaVersion.kt

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.konan
+
+/**
+ *  https://en.wikipedia.org/wiki/Software_versioning
+ *  scheme major.minor[.build[.revision]].
+ */
+
+enum class MetaVersion(val metaString: String) {
+    DEV("dev"),
+    EAP("eap"),
+    ALPHA("alpha"),
+    BETA("beta"),
+    RC1("rc1"),
+    RC2("rc2"),
+    RELEASE("release")
+}

konan/utils/src/org/jetbrains/kotlin/konan/target/KonanTarget.kt

@@ -0,0 +1,279 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.konan.target
+
+import org.jetbrains.kotlin.konan.target.KonanTarget.*
+import org.jetbrains.kotlin.konan.util.Named
+
+enum class Family(val exeSuffix:String, val dynamicPrefix: String, val dynamicSuffix: String,
+                  val staticPrefix: String, val staticSuffix: String) {
+    OSX     ("kexe", "lib", "dylib", "lib", "a"),
+    IOS     ("kexe", "lib", "dylib", "lib", "a"),
+    LINUX   ("kexe", "lib", "so"   , "lib", "a"),
+    MINGW   ("exe" , ""   , "dll"  , "lib", "a"),
+    ANDROID ("so"  , "lib", "so"   , "lib", "a"),
+    WASM    ("wasm", ""   , "wasm" , "",    "wasm"),
+    ZEPHYR  ("o"   , "lib", "a"    , "lib", "a")
+}
+
+enum class Architecture(val bitness: Int) {
+    X64(64),
+    ARM64(64),
+    ARM32(32),
+    MIPS32(32),
+    MIPSEL32(32),
+    WASM32(32);
+}
+
+sealed class KonanTarget(override val name: String, val family: Family, val architecture: Architecture) : Named {
+    object ANDROID_ARM32 :  KonanTarget( "android_arm32",   Family.ANDROID, Architecture.ARM32)
+    object ANDROID_ARM64 :  KonanTarget( "android_arm64",   Family.ANDROID, Architecture.ARM64)
+    object IOS_ARM32 :      KonanTarget( "ios_arm32",       Family.IOS,     Architecture.ARM32)
+    object IOS_ARM64 :      KonanTarget( "ios_arm64",       Family.IOS,     Architecture.ARM64)
+    object IOS_X64 :        KonanTarget( "ios_x64",         Family.IOS,     Architecture.X64)
+    object LINUX_X64 :      KonanTarget( "linux_x64",       Family.LINUX,   Architecture.X64)
+    object MINGW_X64 :      KonanTarget( "mingw_x64",       Family.MINGW,   Architecture.X64)
+    object MACOS_X64 :      KonanTarget( "macos_x64",       Family.OSX,     Architecture.X64)
+    object LINUX_ARM32_HFP :KonanTarget( "linux_arm32_hfp", Family.LINUX,   Architecture.ARM32)
+    object LINUX_MIPS32 :   KonanTarget( "linux_mips32",    Family.LINUX,   Architecture.MIPS32)
+    object LINUX_MIPSEL32 : KonanTarget( "linux_mipsel32",  Family.LINUX,   Architecture.MIPSEL32)
+    object WASM32 :         KonanTarget( "wasm32",          Family.WASM,    Architecture.WASM32)
+
+    // Tunable targets
+    class ZEPHYR(val subName: String, val genericName: String = "zephyr") :
+        KonanTarget("${genericName}_$subName", Family.ZEPHYR, Architecture.ARM32)
+
+    override fun toString() = name
+}
+
+fun hostTargetSuffix(host: KonanTarget, target: KonanTarget) =
+    if (target == host) host.name else "${host.name}-${target.name}"
+
+enum class CompilerOutputKind {
+    PROGRAM {
+        override fun suffix(target: KonanTarget?) = ".${target!!.family.exeSuffix}"
+    },
+    DYNAMIC {
+        override fun suffix(target: KonanTarget?) = ".${target!!.family.dynamicSuffix}"
+        override fun prefix(target: KonanTarget?) = "${target!!.family.dynamicPrefix}"
+    },
+    STATIC {
+        override fun suffix(target: KonanTarget?) = ".${target!!.family.staticSuffix}"
+        override fun prefix(target: KonanTarget?) = "${target!!.family.staticPrefix}"
+    },
+    FRAMEWORK {
+        override fun suffix(target: KonanTarget?): String = ".framework"
+    },
+    LIBRARY {
+        override fun suffix(target: KonanTarget?) = ".klib"
+    },
+    BITCODE {
+        override fun suffix(target: KonanTarget?) = ".bc"
+    };
+
+    abstract fun suffix(target: KonanTarget? = null): String
+    open fun prefix(target: KonanTarget? = null): String = ""
+}
+
+interface TargetManager {
+    val target: KonanTarget
+    val targetName : String
+    fun list() : Unit
+    val hostTargetSuffix: String
+    val targetSuffix: String
+}
+
+/**  */
+interface SubTargetProvider {
+    fun availableSubTarget(genericName: String): List<String>
+}
+
+private class NoSubTargets: SubTargetProvider {
+    override fun availableSubTarget(genericName: String): List<String> = emptyList()
+}
+
+private class TargetManagerImpl(val userRequest: String?, val hostManager: HostManager): TargetManager {
+    override val target = determineCurrent()
+    override val targetName
+        get() = target.visibleName
+
+    override fun list() {
+        hostManager.enabled.forEach {
+            val isDefault = if (it == target) "(default)" else ""
+            val aliasList = HostManager.listAliases(it.visibleName).joinToString(", ")
+            println(String.format("%1$-30s%2$-10s%3\$s", "${it.visibleName}:", "$isDefault", aliasList))
+        }
+    }
+
+    fun determineCurrent(): KonanTarget {
+        return if (userRequest == null || userRequest == "host") {
+            HostManager.host
+        } else {
+            val resolvedAlias = HostManager.resolveAlias(userRequest)
+            hostManager.targets[hostManager.known(resolvedAlias)]!!
+        }
+    }
+
+    override val hostTargetSuffix get() = hostTargetSuffix(HostManager.host, target)
+    override val targetSuffix get() = target.name
+}
+
+open class HostManager(subtargetProvider: SubTargetProvider = NoSubTargets()) {
+
+    fun targetManager(userRequest: String? = null): TargetManager = TargetManagerImpl(userRequest, this)
+
+    // TODO: need a better way to enumerated predefined targets.
+    private val predefinedTargets = listOf(
+        KonanTarget.ANDROID_ARM32, ANDROID_ARM64,
+        IOS_ARM32, IOS_ARM64, IOS_X64,
+        LINUX_X64, LINUX_ARM32_HFP, LINUX_MIPS32, LINUX_MIPSEL32,
+        MINGW_X64,
+        MACOS_X64,
+        WASM32)
+
+    private val zephyrSubtargets = subtargetProvider.availableSubTarget("zephyr").map { ZEPHYR(it) }
+
+    private val configurableSubtargets = zephyrSubtargets
+
+    val targetValues: List<KonanTarget> by lazy {
+        predefinedTargets + configurableSubtargets
+    }
+
+    val targets = targetValues.associate{ it.visibleName to it }
+
+    fun toKonanTargets(names: Iterable<String>): List<KonanTarget> {
+        return names.map {
+            if (it == "host") HostManager.host
+            else targets[known(resolveAlias(it))]!!
+        }
+    }
+
+    fun known(name: String): String {
+        if (targets[name] == null) {
+            throw TargetSupportException("Unknown target: $name. Use -list_targets to see the list of available targets")
+        }
+        return name
+    }
+
+    fun targetByName(name: String): KonanTarget {
+        if (name == "host") return host
+        val target = targets[resolveAlias(name)]
+        if (target == null) throw TargetSupportException("Unknown target name: $name")
+        return target
+    }
+
+    val enabled: List<KonanTarget> by lazy {
+        when (host) {
+            KonanTarget.LINUX_X64 -> listOf(
+                KonanTarget.LINUX_X64,
+                KonanTarget.LINUX_ARM32_HFP,
+                KonanTarget.LINUX_MIPS32,
+                KonanTarget.LINUX_MIPSEL32,
+                KonanTarget.ANDROID_ARM32,
+                KonanTarget.ANDROID_ARM64,
+                KonanTarget.WASM32
+            ) + zephyrSubtargets
+            KonanTarget.MINGW_X64 -> listOf(
+                KonanTarget.MINGW_X64,
+                KonanTarget.WASM32
+            ) + zephyrSubtargets
+            KonanTarget.MACOS_X64 -> listOf(
+                KonanTarget.MACOS_X64,
+                KonanTarget.IOS_ARM32,
+                KonanTarget.IOS_ARM64,
+                KonanTarget.IOS_X64,
+                KonanTarget.ANDROID_ARM32,
+                KonanTarget.ANDROID_ARM64,
+                KonanTarget.WASM32
+            ) + zephyrSubtargets
+            else ->
+                throw TargetSupportException("Unknown host platform: $host")
+        }
+    }
+
+    fun isEnabled(target: KonanTarget) = enabled.contains(target)
+
+    companion object {
+        fun host_os(): String {
+            val javaOsName = System.getProperty("os.name")
+            return when {
+                javaOsName == "Mac OS X" -> "osx"
+                javaOsName == "Linux" -> "linux"
+                javaOsName.startsWith("Windows") -> "windows"
+                else -> throw TargetSupportException("Unknown operating system: ${javaOsName}")
+            }
+        }
+
+        @JvmStatic
+        fun simpleOsName(): String {
+            val hostOs = host_os()
+            return if (hostOs == "osx") "macos" else hostOs
+        }
+
+        val jniHostPlatformIncludeDir: String
+            get() = when(host) {
+                KonanTarget.MACOS_X64 -> "darwin"
+                KonanTarget.LINUX_X64 -> "linux"
+                KonanTarget.MINGW_X64 ->"win32"
+                else -> throw TargetSupportException("Unknown host: $host.")
+            }
+
+        fun host_arch(): String {
+            val javaArch = System.getProperty("os.arch")
+            return when (javaArch) {
+                "x86_64" -> "x86_64"
+                "amd64"  -> "x86_64"
+                "arm64"  -> "arm64"
+                else -> throw TargetSupportException("Unknown hardware platform: ${javaArch}")
+            }
+        }
+
+        val host: KonanTarget = when (host_os()) {
+            "osx"   -> KonanTarget.MACOS_X64
+            "linux" -> KonanTarget.LINUX_X64
+            "windows" -> KonanTarget.MINGW_X64
+            else -> throw TargetSupportException("Unknown host target: ${host_os()} ${host_arch()}")
+        }
+
+        val hostIsMac   = (host == KonanTarget.MACOS_X64)
+        val hostIsLinux = (host == KonanTarget.LINUX_X64)
+        val hostIsMingw = (host == KonanTarget.MINGW_X64)
+
+        val hostSuffix get() = host.name
+        @JvmStatic
+        val hostName get() = host.name
+
+        val knownTargetTemplates = listOf("zephyr")
+
+        private val targetAliasResolutions = mapOf(
+            "linux"       to "linux_x64",
+            "macbook"     to "macos_x64",
+            "macos"       to "macos_x64",
+            "imac"        to "macos_x64",
+            "raspberrypi" to "linux_arm32_hfp",
+            "iphone32"    to "ios_arm32",
+            "iphone"      to "ios_arm64",
+            "ipad"        to "ios_arm64",
+            "ios"         to "ios_arm64",
+            "iphone_sim"  to "ios_x64",
+            "mingw"       to "mingw_x64"
+        )
+
+        private val targetAliases: Map<String, List<String>> by lazy {
+            val result = mutableMapOf<String, MutableList<String>>()
+            targetAliasResolutions.entries.forEach {
+                result.getOrPut(it.value, { mutableListOf() } ).add(it.key)
+            }
+            result
+        }
+
+        fun resolveAlias(request: String): String = targetAliasResolutions[request] ?: request
+
+        fun listAliases(target: String): List<String> = targetAliases[target] ?: emptyList()
+    }
+}
+
+class TargetSupportException (message: String = "", cause: Throwable? = null) : Exception(message, cause)

konan/utils/src/org/jetbrains/kotlin/konan/util/DependencyDirectories.kt

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.konan.util
+
+import java.io.File
+
+object DependencyDirectories {
+    val localKonanDir: File by lazy {
+        File(System.getenv("KONAN_DATA_DIR") ?: (System.getProperty("user.home") + File.separator + ".konan"))
+    }
+
+    @JvmStatic
+    val defaultDependenciesRoot: File
+        get() = localKonanDir.resolve("dependencies")
+
+    val defaultDependencyCacheDir: File
+        get() = localKonanDir.resolve("cache")
+}

konan/utils/src/org/jetbrains/kotlin/konan/util/VisibleNamed.kt

@@ -0,0 +1,12 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.konan.util
+
+val <T : Enum<T>> T.visibleName get() = name.toLowerCase() 
+interface Named {
+    val name: String
+    val visibleName get() = name
+}

libraries/tools/kotlin-gradle-plugin-api/build.gradle

@@ -15,7 +15,8 @@ pill {
 
 dependencies {
     compile project(':kotlin-stdlib')
-    
+    compile project('::konan:konan-utils')
+
     compileOnly gradleApi()
     compileOnly 'com.android.tools.build:gradle:0.4.2'
 }

libraries/tools/kotlin-gradle-plugin-api/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinPlatformType.kt

@@ -12,8 +12,7 @@ import org.gradle.api.attributes.CompatibilityCheckDetails
 import java.io.Serializable
 
 enum class KotlinPlatformType: Named, Serializable {
-    common, jvm, js, androidJvm,
+    common, jvm, js, androidJvm, native;
-    native; // TODO: split native into separate entries here or transform the enum to interface and implement entries in K/N
 
     override fun toString(): String = name
     override fun getName(): String = name

libraries/tools/kotlin-gradle-plugin/build.gradle

@@ -38,6 +38,7 @@ dependencies {
     compileOnly project(':compiler:daemon-common')
 
     compile project(':kotlin-stdlib')
+    compile project(':konan:konan-utils')
     compileOnly project(':kotlin-reflect-api')
     compileOnly project(':kotlin-android-extensions')
     compileOnly project(':kotlin-build-common')

libraries/tools/kotlin-gradle-plugin/src/agp25/kotlin/org/jetbrains/kotlin/gradle/plugin/android/Android25ProjectHandler.kt

@@ -102,7 +102,7 @@ class Android25ProjectHandler(kotlinConfigurationTools: KotlinConfigurationTools
     override fun setUpDependencyResolution(variant: BaseVariant, compilation: KotlinJvmAndroidCompilation) {
         val project = compilation.target.project
 
-        KotlinTargetConfigurator.defineConfigurationsForCompilation(compilation, compilation.target, project.configurations)
+        AbstractKotlinTargetConfigurator.defineConfigurationsForCompilation(compilation, compilation.target, project.configurations)
 
         compilation.compileDependencyFiles = variant.compileConfiguration.apply {
             usesPlatformOf(compilation.target)

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/compilerRunner/KotlinNativeToolRunner.kt

@@ -0,0 +1,162 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.compilerRunner
+
+import org.gradle.api.Named
+import org.gradle.api.Project
+import org.gradle.api.file.FileCollection
+import org.jetbrains.kotlin.konan.target.HostManager
+import org.jetbrains.kotlin.konan.target.KonanTarget
+import org.jetbrains.kotlin.konan.util.DependencyDirectories
+
+/** Copied from Kotlin/Native repository. */
+
+//  TODO: Rename to FQ names
+internal enum class KotlinNativeProjectProperty(val propertyName: String) {
+    KONAN_HOME                     ("konan.home"),
+    KONAN_JVM_ARGS                 ("konan.jvmArgs"),
+    KONAN_USE_ENVIRONMENT_VARIABLES("konan.useEnvironmentVariables"),
+    DOWNLOAD_COMPILER              ("download.compiler"),
+
+    // Properties used instead of env vars until https://github.com/gradle/gradle/issues/3468 is fixed.
+    // TODO: Remove them when an API for env vars is provided.
+    KONAN_CONFIGURATION_BUILD_DIR  ("konan.configuration.build.dir"),
+    KONAN_DEBUGGING_SYMBOLS        ("konan.debugging.symbols"),
+    KONAN_OPTIMIZATIONS_ENABLE     ("konan.optimizations.enable"),
+    KONAN_PUBLICATION_ENABLED      ("konan.publication.enabled")
+}
+
+internal fun Project.hasProperty(property: KotlinNativeProjectProperty) = hasProperty(property.propertyName)
+internal fun Project.findProperty(property: KotlinNativeProjectProperty): Any? = findProperty(property.propertyName)
+
+internal fun Project.setProperty(property: KotlinNativeProjectProperty, value: Any?) =
+    extensions.extraProperties.set(property.propertyName, value)
+
+internal fun Project.getProperty(property: KotlinNativeProjectProperty) = findProperty(property)
+    ?: throw IllegalArgumentException("No such property in the project: ${property.propertyName}")
+
+internal val Project.jvmArgs
+    get() = (findProperty(KotlinNativeProjectProperty.KONAN_JVM_ARGS) as String?)?.split("\\s+".toRegex()).orEmpty()
+
+// konanHome extension is set by downloadKonanCompiler task.
+internal val Project.konanHome: String
+    get() {
+        assert(hasProperty(KotlinNativeProjectProperty.KONAN_HOME))
+        return project.file(getProperty(KotlinNativeProjectProperty.KONAN_HOME)).canonicalPath
+    }
+
+internal interface KonanToolRunner: Named {
+    val mainClass: String
+    val classpath: FileCollection
+    val jvmArgs: List<String>
+    val environment: Map<String, Any>
+    val additionalSystemProperties: Map<String, String>
+
+    fun run(args: List<String>)
+    fun run(vararg args: String) = run(args.toList())
+}
+
+internal abstract class KonanCliRunner(
+    val toolName: String,
+    val fullName: String,
+    val project: Project,
+    private val additionalJvmArgs: List<String>
+): KonanToolRunner {
+    override val mainClass = "org.jetbrains.kotlin.cli.utilities.MainKt"
+
+    override fun getName() = toolName
+
+    // We need to unset some environment variables which are set by XCode and may potentially affect the tool executed.
+    protected val blacklistEnvironment: List<String> by lazy {
+        KonanToolRunner::class.java.getResourceAsStream("/env_blacklist")?.let { stream ->
+            stream.reader().use { it.readLines() }
+        } ?: emptyList<String>()
+    }
+
+    override val classpath: FileCollection =
+        project.fileTree("${project.konanHome}/konan/lib/")
+            .apply { include("*.jar")  }
+
+    override val jvmArgs = mutableListOf("-ea").apply {
+        if (additionalJvmArgs.none { it.startsWith("-Xmx") } &&
+            project.jvmArgs.none { it.startsWith("-Xmx") }) {
+            add("-Xmx3G")
+        }
+        addAll(additionalJvmArgs)
+        addAll(project.jvmArgs)
+    }
+
+    override val additionalSystemProperties = mutableMapOf(
+        "konan.home" to project.konanHome,
+        "java.library.path" to "${project.konanHome}/konan/nativelib"
+    )
+
+    override val environment = mutableMapOf("LIBCLANG_DISABLE_CRASH_RECOVERY" to "1")
+
+    private fun String.escapeQuotes() = replace("\"", "\\\"")
+
+    private fun List<Pair<String, String>>.escapeQuotesForWindows() =
+        if (HostManager.hostIsMingw) {
+            map { (key, value) -> key.escapeQuotes() to value.escapeQuotes() }
+        } else {
+            this
+        }
+
+    override fun run(args: List<String>) {
+        project.logger.info("Run tool: $toolName with args: ${args.joinToString(separator = " ")}")
+        if (classpath.isEmpty) {
+            throw IllegalStateException("Classpath of the tool is empty: $toolName\n" +
+                                        "Probably the 'konan.home' project property contains an incorrect path.\n" +
+                                        "Please change it to the compiler root directory and rerun the build.")
+        }
+
+        project.javaexec { spec ->
+            spec.main = mainClass
+            spec.classpath = classpath
+            spec.jvmArgs(jvmArgs)
+            spec.systemProperties(
+                System.getProperties()
+                    .map { (k, v) -> k.toString() to v.toString() }
+                    .escapeQuotesForWindows()
+                    .toMap()
+            )
+            spec.systemProperties(additionalSystemProperties)
+            spec.args(listOf(toolName) + args)
+            blacklistEnvironment.forEach { spec.environment.remove(it) }
+            spec.environment(environment)
+        }
+    }
+}
+
+internal class KonanInteropRunner(project: Project, additionalJvmArgs: List<String> = emptyList())
+    : KonanCliRunner("cinterop", "Kotlin/Native cinterop tool", project, additionalJvmArgs)
+{
+    init {
+        if (HostManager.host == KonanTarget.MINGW_X64) {
+            //TODO: Oh-ho-ho fix it in more convinient way.
+            environment.put("PATH", DependencyDirectories.defaultDependenciesRoot.absolutePath +
+                            "\\msys2-mingw-w64-x86_64-gcc-7.2.0-clang-llvm-5.0.0-windows-x86-64" +
+                            "\\bin;${environment.get("PATH")}")
+        }
+    }
+}
+
+internal class KonanCompilerRunner(project: Project, additionalJvmArgs: List<String> = emptyList())
+    : KonanCliRunner("konanc", "Kotlin/Native compiler", project, additionalJvmArgs)
+
+internal class KonanKlibRunner(project: Project, additionalJvmArgs: List<String> = emptyList())
+    : KonanCliRunner("klib", "Klib management tool", project, additionalJvmArgs)

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

@@ -432,7 +432,7 @@ internal abstract class AbstractKotlinPlugin(
             // Setup the consuming configurations:
             project.dependencies.attributesSchema.attribute(KotlinPlatformType.attribute)
             kotlinTarget.compilations.all { compilation ->
-                KotlinTargetConfigurator.defineConfigurationsForCompilation(compilation, kotlinTarget, project.configurations)
+                AbstractKotlinTargetConfigurator.defineConfigurationsForCompilation(compilation, kotlinTarget, project.configurations)
             }
 
             // Setup the published configurations:

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

@@ -18,6 +18,8 @@ import org.gradle.api.attributes.Usage.USAGE_ATTRIBUTE
 import org.gradle.api.file.ConfigurableFileCollection
 import org.gradle.api.file.FileCollection
 import org.gradle.api.internal.artifacts.ArtifactAttributes
+import org.gradle.api.internal.artifacts.publish.DefaultPublishArtifact
+import org.gradle.api.internal.plugins.DefaultArtifactPublicationSet
 import org.gradle.api.internal.plugins.DslObject
 import org.gradle.api.plugins.BasePlugin
 import org.gradle.api.plugins.JavaBasePlugin
@@ -26,22 +28,26 @@ import org.gradle.api.tasks.testing.Test
 import org.gradle.internal.cleanup.BuildOutputCleanupRegistry
 import org.gradle.language.base.plugins.LifecycleBasePlugin
 import org.gradle.language.jvm.tasks.ProcessResources
+import org.gradle.nativeplatform.test.tasks.RunTestExecutable
 import org.jetbrains.kotlin.gradle.dsl.kotlinExtension
-import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinOnlyTarget
+import org.jetbrains.kotlin.gradle.plugin.mpp.*
-import org.jetbrains.kotlin.gradle.plugin.mpp.disambiguateName
-import org.jetbrains.kotlin.gradle.plugin.mpp.defaultSourceSetName
 import org.jetbrains.kotlin.gradle.plugin.sources.getSourceSetHierarchy
 import org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompile
+import org.jetbrains.kotlin.gradle.tasks.KonanCompilerDownloadTask
+import org.jetbrains.kotlin.gradle.tasks.KotlinNativeCompile
 import org.jetbrains.kotlin.gradle.utils.isGradleVersionAtLeast
 import org.jetbrains.kotlin.gradle.utils.lowerCamelCaseName
+import org.jetbrains.kotlin.konan.target.CompilerOutputKind
+import org.jetbrains.kotlin.konan.target.HostManager
 import java.io.File
+import java.util.*
 import java.util.concurrent.Callable
 
-open class KotlinTargetConfigurator(
+abstract class AbstractKotlinTargetConfigurator<KotlinTargetType : KotlinTarget>(
     private val buildOutputCleanupRegistry: BuildOutputCleanupRegistry
 ) {
-    fun <KotlinCompilationType: KotlinCompilation> configureTarget(
+    open fun configureTarget(
-        target: KotlinOnlyTarget<KotlinCompilationType>
+        target: KotlinTargetType
     ) {
         configureCompilationDefaults(target)
         configureCompilations(target)
@@ -49,11 +55,12 @@ open class KotlinTargetConfigurator(
         configureArchivesAndComponent(target)
         configureTest(target)
         configureBuild(target)
-
-        setCompatibilityOfAbstractCompileTasks(target.project)
     }
 
-    private fun <KotlinCompilationType: KotlinCompilation> configureCompilations(platformTarget: KotlinOnlyTarget<KotlinCompilationType>) {
+
+    abstract fun configureArchivesAndComponent(target: KotlinTargetType)
+
+    protected fun configureCompilations(platformTarget: KotlinTargetType) {
         val project = platformTarget.project
         val main = platformTarget.compilations.create(KotlinCompilation.MAIN_COMPILATION_NAME)
 
@@ -75,7 +82,7 @@ open class KotlinTargetConfigurator(
 
     }
 
-    private fun <KotlinCompilationType: KotlinCompilation> configureCompilationDefaults(target: KotlinOnlyTarget<KotlinCompilationType>) {
+    protected fun configureCompilationDefaults(target: KotlinTargetType) {
         val project = target.project
 
         target.compilations.all { compilation ->
@@ -94,49 +101,7 @@ open class KotlinTargetConfigurator(
         }
     }
 
-    private fun configureArchivesAndComponent(target: KotlinOnlyTarget<*>) {
+    protected fun configureTest(target: KotlinTarget) {
-        val project = target.project
-
-        val mainCompilation = target.compilations.getByName(KotlinCompilation.MAIN_COMPILATION_NAME)
-
-        val jar = project.tasks.create(target.artifactsTaskName, Jar::class.java)
-        jar.description = "Assembles a jar archive containing the main classes."
-        jar.group = BasePlugin.BUILD_GROUP
-        jar.from(mainCompilation.output)
-
-        val apiElementsConfiguration = project.configurations.getByName(target.apiElementsConfigurationName)
-
-        target.disambiguationClassifier?.let { jar.classifier = it }
-
-        // Workaround: adding the artifact during configuration seems to interfere with the Java plugin, which results into missing
-        // task dependency 'assemble -> jar' if the Java plugin is applied after this steps
-        project.afterEvaluate {
-            project.artifacts.add(Dependency.ARCHIVES_CONFIGURATION, jar) { jarArtifact ->
-                jarArtifact.builtBy(jar)
-                jarArtifact.type = ArtifactTypeDefinition.JAR_TYPE
-
-                addJar(apiElementsConfiguration, jarArtifact)
-
-                if (mainCompilation is KotlinCompilationToRunnableFiles) {
-                    val runtimeConfiguration = project.configurations.getByName(mainCompilation.deprecatedRuntimeConfigurationName)
-                    val runtimeElementsConfiguration = project.configurations.getByName(target.runtimeElementsConfigurationName)
-                    addJar(runtimeConfiguration, jarArtifact)
-                    addJar(runtimeElementsConfiguration, jarArtifact)
-                    // TODO Check Gradle's special split into variants for classes & resources -- do we need that too?
-                }
-            }
-        }
-    }
-
-    private fun addJar(configuration: Configuration, jarArtifact: PublishArtifact) {
-        val publications = configuration.outgoing
-
-        // Configure an implicit variant
-        publications.artifacts.add(jarArtifact)
-        publications.attributes.attribute(ArtifactAttributes.ARTIFACT_FORMAT, ArtifactTypeDefinition.JAR_TYPE)
-    }
-
-    private fun configureTest(target: KotlinTarget) {
         val testCompilation = target.compilations.getByName(KotlinCompilation.TEST_COMPILATION_NAME) as? KotlinCompilationToRunnableFiles
             ?: return // Otherwise, there is no runtime classpath
 
@@ -151,7 +116,7 @@ open class KotlinTargetConfigurator(
         }
     }
 
-    private fun configureResourceProcessing(
+    protected fun configureResourceProcessing(
         compilation: KotlinCompilationWithResources,
         resourceSet: FileCollection
     ) {
@@ -168,7 +133,7 @@ open class KotlinTargetConfigurator(
         resourcesTask.from(resourceSet)
     }
 
-    private fun createLifecycleTask(compilation: KotlinCompilation) {
+    protected fun createLifecycleTask(compilation: KotlinCompilation) {
         val project = compilation.target.project
 
         (compilation.output.classesDirs as ConfigurableFileCollection).from(project.files().builtBy(compilation.compileAllTaskName))
@@ -186,7 +151,7 @@ open class KotlinTargetConfigurator(
         }
     }
 
-    private fun defineConfigurationsForTarget(target: KotlinOnlyTarget<*>) {
+    protected fun defineConfigurationsForTarget(target: KotlinTargetType) {
         val project = target.project
 
         val configurations = project.configurations
@@ -243,7 +208,7 @@ open class KotlinTargetConfigurator(
         defaultConfiguration.extendsFrom(runtimeElementsConfiguration).usesPlatformOf(target)
     }
 
-    private fun configureBuild(target: KotlinOnlyTarget<*>) {
+    protected fun configureBuild(target: KotlinTargetType) {
         val project = target.project
         val testCompilation = target.compilations.getByName(KotlinCompilation.TEST_COMPILATION_NAME)
         project.tasks.maybeCreate(buildNeededTaskName, DefaultTask::class.java).apply {
@@ -279,14 +244,6 @@ open class KotlinTargetConfigurator(
         task.dependsOn(configuration.getTaskDependencyFromProjectDependency(useDependedOn, otherProjectTaskName))
     }
 
-    private fun setCompatibilityOfAbstractCompileTasks(project: Project) = with (project) {
-        tasks.withType(AbstractKotlinCompile::class.java).all {
-            // Workaround: these are input properties and should not hold null values:
-            it.targetCompatibility = ""
-            it.sourceCompatibility = ""
-        }
-    }
-
     companion object {
         const val buildNeededTaskName = "buildAllNeeded"
         const val buildDependentTaskName = "buildAllDependents"
@@ -363,14 +320,260 @@ open class KotlinTargetConfigurator(
             }
         }
 
-        private val KotlinCompilation.deprecatedCompileConfigurationName: String
+
+        internal val KotlinCompilation.deprecatedCompileConfigurationName: String
             get() = disambiguateName("compile")
 
-        private val KotlinCompilationToRunnableFiles.deprecatedRuntimeConfigurationName: String
+        internal val KotlinCompilationToRunnableFiles.deprecatedRuntimeConfigurationName: String
             get() = disambiguateName("runtime")
     }
 }
 
+open class KotlinTargetConfigurator<KotlinCompilationType: KotlinCompilation>(
+    buildOutputCleanupRegistry: BuildOutputCleanupRegistry
+) : AbstractKotlinTargetConfigurator<KotlinOnlyTarget<KotlinCompilationType>>(buildOutputCleanupRegistry) {
+
+    override fun configureTarget(
+        target: KotlinOnlyTarget<KotlinCompilationType>
+    ) {
+        super.configureTarget(target)
+        setCompatibilityOfAbstractCompileTasks(target.project)
+    }
+
+    override fun configureArchivesAndComponent(target: KotlinOnlyTarget<KotlinCompilationType>) {
+        val project = target.project
+
+        val mainCompilation = target.compilations.getByName(KotlinCompilation.MAIN_COMPILATION_NAME)
+
+        val jar = project.tasks.create(target.artifactsTaskName, Jar::class.java)
+        jar.description = "Assembles a jar archive containing the main classes."
+        jar.group = BasePlugin.BUILD_GROUP
+        jar.from(mainCompilation.output)
+
+        val apiElementsConfiguration = project.configurations.getByName(target.apiElementsConfigurationName)
+
+        target.disambiguationClassifier?.let { jar.classifier = it }
+
+        // Workaround: adding the artifact during configuration seems to interfere with the Java plugin, which results into missing
+        // task dependency 'assemble -> jar' if the Java plugin is applied after this steps
+        project.afterEvaluate {
+            project.artifacts.add(Dependency.ARCHIVES_CONFIGURATION, jar) { jarArtifact ->
+                jarArtifact.builtBy(jar)
+                jarArtifact.type = ArtifactTypeDefinition.JAR_TYPE
+
+                addJar(apiElementsConfiguration, jarArtifact)
+
+                if (mainCompilation is KotlinCompilationToRunnableFiles) {
+                    val runtimeConfiguration = project.configurations.getByName(mainCompilation.deprecatedRuntimeConfigurationName)
+                    val runtimeElementsConfiguration = project.configurations.getByName(target.runtimeElementsConfigurationName)
+                    addJar(runtimeConfiguration, jarArtifact)
+                    addJar(runtimeElementsConfiguration, jarArtifact)
+                    // TODO Check Gradle's special split into variants for classes & resources -- do we need that too?
+                }
+            }
+        }
+    }
+
+    private fun addJar(configuration: Configuration, jarArtifact: PublishArtifact) {
+        val publications = configuration.outgoing
+
+        // Configure an implicit variant
+        publications.artifacts.add(jarArtifact)
+        publications.attributes.attribute(ArtifactAttributes.ARTIFACT_FORMAT, ArtifactTypeDefinition.JAR_TYPE)
+    }
+
+    private fun setCompatibilityOfAbstractCompileTasks(project: Project) = with (project) {
+        tasks.withType(AbstractKotlinCompile::class.java).all {
+            // Workaround: these are input properties and should not hold null values:
+            it.targetCompatibility = ""
+            it.sourceCompatibility = ""
+        }
+    }
+}
+
+
+open class KotlinNativeTargetConfigurator(
+    buildOutputCleanupRegistry: BuildOutputCleanupRegistry
+) : AbstractKotlinTargetConfigurator<KotlinNativeTarget>(buildOutputCleanupRegistry) {
+
+    private val Collection<*>.isDimensionVisible: Boolean
+        get() = size > 1
+
+    private fun createDimensionSuffix(dimensionName: String, multivalueProperty: Collection<*>): String =
+        if (multivalueProperty.isDimensionVisible) {
+            dimensionName.toLowerCase().capitalize()
+        } else {
+            ""
+        }
+
+    private fun Project.createTestTask(compilation: KotlinNativeCompilation, testExecutableLinkTask: KotlinNativeCompile) {
+        val taskName = lowerCamelCaseName("run", compilation.name, compilation.target.name)
+        val testTask = tasks.create(taskName, RunTestExecutable::class.java).apply {
+            group = LifecycleBasePlugin.VERIFICATION_GROUP
+            description = "Executes Kotlin/Native unit tests from the '${compilation.name}' compilation " +
+                    "for target '${compilation.platformType.name}'"
+
+            val testExecutableProperty = testExecutableLinkTask.outputFile
+            executable = testExecutableProperty.get().absolutePath
+            // TODO: Provide a normal test path!
+            outputDir = project.layout.buildDirectory.dir("test-results").get().asFile
+
+            onlyIf { testExecutableProperty.get().exists() }
+            inputs.file(testExecutableProperty)
+            dependsOn(testExecutableLinkTask)
+            dependsOnCompilerDownloading()
+        }
+        tasks.maybeCreate(LifecycleBasePlugin.CHECK_TASK_NAME).apply {
+            dependsOn(testTask)
+        }
+    }
+
+    private fun Project.createBinaryLinkTasks(compilation: KotlinNativeCompilation) = whenEvaluated {
+        val konanTarget = compilation.target.konanTarget
+        val buildTypes = compilation.buildTypes
+        val availableOutputKinds = compilation.outputKinds.filter { it.availableFor(konanTarget) }
+        val linkAll = project.tasks.maybeCreate(compilation.linkAllTaskName)
+
+        for (buildType in compilation.buildTypes) {
+            for (kind in availableOutputKinds) {
+                val compilerOutputKind = kind.compilerOutputKind
+
+                val compilationSuffix = compilation.name
+                val buildTypeSuffix = createDimensionSuffix(buildType.name, buildTypes)
+                val targetSuffix = compilation.target.name
+                val kindSuffix = kind.taskNameClassifier
+                val taskName = lowerCamelCaseName("link", compilationSuffix, buildTypeSuffix, kindSuffix, targetSuffix)
+
+                val linkTask = project.tasks.create(
+                    taskName,
+                    KotlinNativeCompile::class.java
+                ).apply {
+                    this.compilation = compilation
+                    outputKind = compilerOutputKind
+                    group = BasePlugin.BUILD_GROUP
+                    description = "Links ${kind.description} from the '${compilation.name}' " +
+                            "compilation for target '${compilation.platformType.name}'"
+
+                    optimized = buildType.optimized
+                    debuggable = buildType.debuggable
+
+                    if (outputKind == CompilerOutputKind.FRAMEWORK) {
+                        outputs.dir(outputFile)
+                    } else {
+                        outputs.file(outputFile)
+                    }
+
+                    outputFile.set(provider {
+                        val targetSubDirectory = compilation.target.disambiguationClassifier?.let { "$it/" }.orEmpty()
+                        val buildTypeSubDirectory = buildType.name.toLowerCase()
+                        val compilationName = compilation.compilationName
+                        val prefix = compilerOutputKind.prefix(konanTarget)
+                        val suffix = compilerOutputKind.suffix(konanTarget)
+                        var filename = "$prefix$compilationName$suffix"
+                        if (outputKind == CompilerOutputKind.FRAMEWORK) {
+                            filename = filename.replace('-', '_')
+                        }
+                        File(project.buildDir, "bin/$targetSubDirectory$compilationName/$buildTypeSubDirectory/$filename")
+                    })
+
+                    dependsOnCompilerDownloading()
+                    linkAll.dependsOn(this)
+                }
+
+                if (compilation.isTestCompilation &&
+                    buildType == NativeBuildType.DEBUG &&
+                    konanTarget == HostManager.host
+                ) {
+                    createTestTask(compilation, linkTask)
+                }
+            }
+        }
+    }
+
+    private fun Project.createKlibPublishableArtifact(compilation: KotlinNativeCompilation, compileTask: KotlinNativeCompile) {
+        val apiElements = configurations.getByName(compilation.target.apiElementsConfigurationName)
+        val klibArtifact = DefaultPublishArtifact(
+            compilation.name,
+            "klib",
+            "klib",
+            null,
+            Date(),
+            compileTask.outputFile.get(),
+            compileTask
+        )
+        compilation.target.disambiguationClassifier?.let { klibArtifact.classifier = it }
+        project.extensions.getByType(DefaultArtifactPublicationSet::class.java).addCandidate(klibArtifact)
+
+        with(apiElements.outgoing) {
+            artifacts.add(klibArtifact)
+            attributes.attribute(ArtifactAttributes.ARTIFACT_FORMAT, NativeArtifactFormat.KLIB)
+        }
+    }
+
+    private fun Project.createKlibCompilationTask(compilation: KotlinNativeCompilation) {
+        val compileTask = tasks.create(
+            compilation.compileKotlinTaskName,
+            KotlinNativeCompile::class.java
+        ).apply {
+            this.compilation = compilation
+            outputKind = CompilerOutputKind.LIBRARY
+            group = BasePlugin.BUILD_GROUP
+            description = "Compiles a klibrary from the '${compilation.name}' " +
+                    "compilation for target '${compilation.platformType.name}'"
+
+            outputs.file(outputFile)
+            outputFile.set(provider {
+                val targetSubDirectory = compilation.target.disambiguationClassifier?.let { "$it/" }.orEmpty()
+                val classifier = compilation.target.disambiguationClassifier?.let { "-$it" }.orEmpty()
+                val compilationName = compilation.compilationName
+                val klibName = if (compilation.name == KotlinCompilation.MAIN_COMPILATION_NAME)
+                    project.name
+                else
+                    compilationName
+                File(project.buildDir, "classes/kotlin/$targetSubDirectory$compilationName/$klibName$classifier.klib")
+            })
+
+            dependsOnCompilerDownloading()
+            compilation.output.tryAddClassesDir {
+                project.files(this.outputFile).builtBy(this)
+            }
+        }
+
+        project.tasks.getByName(compilation.compileAllTaskName).dependsOn(compileTask)
+
+        if (compilation.compilationName == KotlinCompilation.MAIN_COMPILATION_NAME) {
+            project.tasks.getByName(compilation.target.artifactsTaskName).apply {
+                dependsOn(compileTask)
+                dependsOn(compilation.linkAllTaskName)
+            }
+            project.tasks.getByName(LifecycleBasePlugin.ASSEMBLE_TASK_NAME).apply {
+                dependsOn(compileTask)
+                dependsOn(compilation.linkAllTaskName)
+            }
+            createKlibPublishableArtifact(compilation, compileTask)
+        }
+    }
+
+    override fun configureArchivesAndComponent(target: KotlinNativeTarget) = with(target.project) {
+        if (!HostManager().isEnabled(target.konanTarget)) {
+            return
+        }
+
+        tasks.create(target.artifactsTaskName)
+        target.compilations.all {
+            createKlibCompilationTask(it)
+            createBinaryLinkTasks(it)
+        }
+    }
+
+    private fun Task.dependsOnCompilerDownloading() =
+        dependsOn(KonanCompilerDownloadTask.KONAN_DOWNLOAD_TASK_NAME)
+
+    object NativeArtifactFormat {
+        const val KLIB = "org.jerbrains.kotlin.klib"
+    }
+}
+
 internal fun Project.usageByName(usageName: String): Usage =
     if (isGradleVersionAtLeast(4, 0)) {
         // `project.objects` is an API introduced in Gradle 4.0
@@ -383,5 +586,9 @@ internal fun Project.usageByName(usageName: String): Usage =
 
 fun Configuration.usesPlatformOf(target: KotlinTarget): Configuration {
     attributes.attribute(KotlinPlatformType.attribute, target.platformType)
+    // TODO: Provide an universal way to copy attributes from the target.
+    if (target is KotlinNativeTarget) {
+        attributes.attribute(KotlinNativeTarget.konanTargetAttribute, target.konanTarget.name)
+    }
     return this
 }

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/KotlinCompilationFactory.kt

@@ -3,15 +3,6 @@
  * that can be found in the license/LICENSE.txt file.
  */
 
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
 
 package org.jetbrains.kotlin.gradle.plugin.mpp
 
@@ -82,4 +73,25 @@ class KotlinJsCompilationFactory(
 
     override fun create(name: String): KotlinJsCompilation =
             KotlinJsCompilation(target, name, target.createCompilationOutput(name))
+}
+
+class KotlinNativeCompilationFactory(
+    val project: Project,
+    val target: KotlinNativeTarget
+) : KotlinCompilationFactory<KotlinNativeCompilation> {
+
+    override val itemClass: Class<KotlinNativeCompilation>
+        get() = KotlinNativeCompilation::class.java
+
+    override fun create(name: String): KotlinNativeCompilation =
+        KotlinNativeCompilation(target, name, target.createCompilationOutput(name)).apply {
+            if (name == KotlinCompilation.TEST_COMPILATION_NAME) {
+                outputKinds = mutableListOf(NativeOutputKind.EXECUTABLE)
+                buildTypes = mutableListOf(NativeBuildType.DEBUG)
+                isTestCompilation = true
+            } else {
+                buildTypes = mutableListOf(NativeBuildType.DEBUG, NativeBuildType.RELEASE)
+            }
+        }
+
 }

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/KotlinCompilationOutput.kt

@@ -3,16 +3,6 @@
  * that can be found in the license/LICENSE.txt file.
  */
 
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
 package org.jetbrains.kotlin.gradle.plugin.mpp
 
 import org.gradle.api.Project

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/KotlinMultiplatformPlugin.kt

@@ -25,6 +25,7 @@ import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
 import org.jetbrains.kotlin.gradle.dsl.kotlinExtension
 import org.jetbrains.kotlin.gradle.plugin.*
 import org.jetbrains.kotlin.gradle.plugin.source.KotlinSourceSet
+import org.jetbrains.kotlin.konan.target.HostManager
 
 internal val Project.multiplatformExtension get(): KotlinMultiplatformExtension? =
     project.extensions.getByName("kotlin") as KotlinMultiplatformExtension
@@ -86,6 +87,9 @@ class KotlinMultiplatformPlugin(
             add(KotlinJsTargetPreset(project, instantiator, fileResolver, buildOutputCleanupRegistry, kotlinPluginVersion))
             add(KotlinAndroidTargetPreset(project, kotlinPluginVersion))
             add(KotlinJvmWithJavaTargetPreset(project, kotlinPluginVersion))
+            HostManager().targets.forEach { _, target ->
+                add(KotlinNativeTargetPreset(target.presetName, project, target, buildOutputCleanupRegistry))
+            }
         }
     }
 

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/KotlinSoftwareComponent.kt

@@ -33,6 +33,12 @@ class KotlinSoftwareComponent(
     }
 }
 
+// At the moment all KN artifacts have JAVA_API usage.
+// TODO: Replace it with a specific usage
+object NativeUsage {
+    const val KOTLIN_KLIB = "kotlin-klib"
+}
+
 internal class KotlinPlatformUsageContext(
     val project: Project,
     val kotlinTarget: KotlinTarget,

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/NativeBinaryTypes.kt

@@ -0,0 +1,48 @@
+package org.jetbrains.kotlin.gradle.plugin.mpp
+
+import org.gradle.api.Named
+import org.gradle.api.attributes.Usage
+import org.jetbrains.kotlin.konan.target.CompilerOutputKind
+import org.jetbrains.kotlin.konan.target.Family
+import org.jetbrains.kotlin.konan.target.KonanTarget
+
+object KotlinNativeUsage {
+    const val KLIB = "kotlin-native-klib"
+    const val FRAMEWORK = "kotlin-native-framework"
+}
+
+enum class NativeBuildType(val optimized: Boolean, val debuggable: Boolean): Named {
+    RELEASE(true, false),
+    DEBUG(false, true);
+
+    override fun getName(): String = name.toLowerCase()
+}
+
+enum class NativeOutputKind(
+    val compilerOutputKind: CompilerOutputKind,
+    val taskNameClassifier: String,
+    val description: String = taskNameClassifier,
+    val additionalCompilerFlags: List<String> = emptyList(),
+    val runtimeUsageName: String? = null,
+    val linkUsageName: String? = null,
+    val publishable: Boolean = true
+) {
+    EXECUTABLE(
+        CompilerOutputKind.PROGRAM,
+        "executable",
+        description = "an executable",
+        runtimeUsageName = Usage.NATIVE_RUNTIME
+    ),
+    FRAMEWORK(
+        CompilerOutputKind.FRAMEWORK,
+        "framework",
+        description = "an Objective-C framework",
+        linkUsageName = KotlinNativeUsage.FRAMEWORK,
+        publishable = false
+    ) {
+        override fun availableFor(target: KonanTarget) =
+            target.family == Family.OSX || target.family == Family.IOS
+    };
+
+    open fun availableFor(target: KonanTarget) = true
+}

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/kotlinCompilations.kt

@@ -3,16 +3,6 @@
  * that can be found in the license/LICENSE.txt file.
  */
 
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
 package org.jetbrains.kotlin.gradle.plugin.mpp
 
 import groovy.lang.Closure
@@ -59,21 +49,30 @@ internal class DefaultKotlinDependencyHandler(
 }
 
 abstract class AbstractKotlinCompilation(
-    final override val target: KotlinTarget,
+    target: KotlinTarget,
     override val compilationName: String
 ) : KotlinCompilation, HasKotlinDependencies {
+
+    // Don't declare this property in the constructor to avoid NPE
+    // when an overriding property of a subclass is accessed instead.
+    override val target: KotlinTarget = target
+
     private val attributeContainer = HierarchyAttributeContainer(target.attributes)
 
     override fun getAttributes(): AttributeContainer = attributeContainer
 
     override val kotlinSourceSets: MutableSet<KotlinSourceSet> = mutableSetOf()
 
+    open fun addSourcesToCompileTask(sourceSet: KotlinSourceSet) {
+        (target.project.tasks.getByName(compileKotlinTaskName) as AbstractKotlinCompile<*>).source(sourceSet.kotlin)
+    }
+
     override fun source(sourceSet: KotlinSourceSet) {
         if (kotlinSourceSets.add(sourceSet)) {
             with(target.project) {
                 whenEvaluated {
                     sourceSet.getSourceSetHierarchy().forEach { sourceSet ->
-                        (target.project.tasks.getByName(compileKotlinTaskName) as AbstractKotlinCompile<*>).source(sourceSet.kotlin)
+                        addSourcesToCompileTask(sourceSet)
 
                         // Use `forced = false` since `api`, `implementation`, and `compileOnly` may be missing in some cases like
                         // old Java & Android projects:
@@ -242,4 +241,67 @@ class KotlinCommonCompilation(
     target: KotlinTarget,
     name: String,
     override val output: SourceSetOutput
-) : AbstractKotlinCompilation(target, name)
+) : AbstractKotlinCompilation(target, name)
+
+class KotlinNativeCompilation(
+    override val target: KotlinNativeTarget,
+    name: String,
+    override val output: SourceSetOutput
+) : AbstractKotlinCompilation(target, name) {
+
+    // A FileCollection containing source files from all source sets used by this compilation
+    // (taking into account dependencies between source sets). Used by both compilation
+    // and linking tasks.
+    // TODO: Move into the compilation task when the linking task does klib linking instead of compilation.
+    internal var allSources: FileCollection = target.project.files()
+
+    val linkAllTaskName: String
+        get() = lowerCamelCaseName(
+            "link",
+            compilationName.takeIf { it != "main" }.orEmpty(),
+            target.disambiguationClassifier
+        )
+
+    var isTestCompilation = false
+
+    // Native-specific DSL.
+    val extraOpts = mutableListOf<String>()
+
+    fun extraOpts(vararg values: Any) = extraOpts(values.toList())
+    fun extraOpts(values: List<Any>) {
+        extraOpts.addAll(values.map { it.toString() })
+    }
+
+    var buildTypes = mutableListOf<NativeBuildType>()
+    var outputKinds = mutableListOf<NativeOutputKind>()
+
+    // Naming
+
+    override val compileDependencyConfigurationName: String
+        get() = lowerCamelCaseName(
+            target.disambiguationClassifier,
+            compilationName.takeIf { it != KotlinCompilation.MAIN_COMPILATION_NAME }.orEmpty(),
+            "compileKlibraries"
+        )
+
+    override val compileAllTaskName: String
+        get() = lowerCamelCaseName(
+            target.disambiguationClassifier,
+            compilationName.takeIf { it != KotlinCompilation.MAIN_COMPILATION_NAME }.orEmpty(),
+            "klibrary"
+        )
+
+    override fun addSourcesToCompileTask(sourceSet: KotlinSourceSet) {
+        allSources += sourceSet.kotlin
+    }
+
+    // TODO: Can we do it better?
+    companion object {
+        val DEBUG = NativeBuildType.DEBUG
+        val RELEASE = NativeBuildType.RELEASE
+
+        val EXECUTABLE = NativeOutputKind.EXECUTABLE
+        val FRAMEWORK = NativeOutputKind.FRAMEWORK
+    }
+
+}

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/kotlinTargetPresets.kt

@@ -10,9 +10,14 @@ import org.gradle.api.internal.file.FileResolver
 import org.gradle.api.plugins.JavaPlugin
 import org.gradle.internal.cleanup.BuildOutputCleanupRegistry
 import org.gradle.internal.reflect.Instantiator
+import org.jetbrains.kotlin.compilerRunner.*
 import org.jetbrains.kotlin.gradle.plugin.*
 import org.jetbrains.kotlin.gradle.tasks.AndroidTasksProvider
+import org.jetbrains.kotlin.gradle.tasks.KonanCompilerDownloadTask
+import org.jetbrains.kotlin.gradle.tasks.KonanCompilerDownloadTask.Companion.KONAN_DOWNLOAD_TASK_NAME
 import org.jetbrains.kotlin.gradle.tasks.KotlinTasksProvider
+import org.jetbrains.kotlin.gradle.utils.lowerCamelCaseName
+import org.jetbrains.kotlin.konan.target.KonanTarget
 
 abstract class KotlinOnlyTargetPreset<T : KotlinCompilation>(
     protected val project: Project,
@@ -31,7 +36,7 @@ abstract class KotlinOnlyTargetPreset<T : KotlinCompilation>(
             compilations = project.container(compilationFactory.itemClass, compilationFactory)
         }
 
-        KotlinTargetConfigurator(buildOutputCleanupRegistry).configureTarget(result)
+        KotlinTargetConfigurator<T>(buildOutputCleanupRegistry).configureTarget(result)
 
         result.compilations.all { compilation ->
             buildCompilationProcessor(compilation).run()
@@ -184,7 +189,7 @@ class KotlinJvmWithJavaTargetPreset(
 
         target.compilations.all { compilation ->
             // Set up dependency resolution using platforms:
-            KotlinTargetConfigurator.defineConfigurationsForCompilation(compilation, target, project.configurations)
+            AbstractKotlinTargetConfigurator.defineConfigurationsForCompilation(compilation, target, project.configurations)
         }
 
         target.compilations.getByName("test").run {
@@ -200,4 +205,43 @@ class KotlinJvmWithJavaTargetPreset(
     companion object {
         const val PRESET_NAME = "jvmWithJava"
     }
-}
+}
+
+class KotlinNativeTargetPreset(
+    private val name: String,
+    val project: Project,
+    val konanTarget: KonanTarget,
+    private val buildOutputCleanupRegistry: BuildOutputCleanupRegistry
+) : KotlinTargetPreset<KotlinNativeTarget> {
+
+    override fun getName(): String = name
+
+    private fun createCompilerDownloadingTask() = with(project) {
+        if (!hasProperty(KotlinNativeProjectProperty.KONAN_HOME)) {
+            setProperty(KotlinNativeProjectProperty.KONAN_HOME, KonanCompilerDownloadTask.compilerDirectory)
+            setProperty(KotlinNativeProjectProperty.DOWNLOAD_COMPILER, true)
+        }
+        tasks.maybeCreate(KONAN_DOWNLOAD_TASK_NAME, KonanCompilerDownloadTask::class.java)
+    }
+
+    override fun createTarget(name: String): KotlinNativeTarget {
+        val result = KotlinNativeTarget(project, konanTarget).apply {
+            targetName = name
+            disambiguationClassifier = name
+
+            val compilationFactory = KotlinNativeCompilationFactory(project, this)
+            compilations = project.container(compilationFactory.itemClass, compilationFactory)
+        }
+
+        createCompilerDownloadingTask()
+        KotlinNativeTargetConfigurator(buildOutputCleanupRegistry).configureTarget(result)
+        return result
+    }
+}
+
+internal val KonanTarget.presetName: String
+    get() = when(this) {
+        KonanTarget.ANDROID_ARM32 -> "androidNativeArm32"
+        KonanTarget.ANDROID_ARM64 -> "androidNativeArm64"
+        else -> lowerCamelCaseName(*this.name.split('_').toTypedArray())
+    }

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/kotlinTargets.kt

@@ -7,6 +7,7 @@ package org.jetbrains.kotlin.gradle.plugin.mpp
 import org.gradle.api.NamedDomainObjectContainer
 import org.gradle.api.Project
 import org.gradle.api.artifacts.Dependency
+import org.gradle.api.attributes.Attribute
 import org.gradle.api.attributes.AttributeContainer
 import org.gradle.api.internal.component.UsageContext
 import org.gradle.api.plugins.JavaPlugin
@@ -15,6 +16,7 @@ import org.jetbrains.kotlin.gradle.plugin.KotlinCompilationToRunnableFiles
 import org.jetbrains.kotlin.gradle.plugin.KotlinPlatformType
 import org.jetbrains.kotlin.gradle.plugin.KotlinTarget
 import org.jetbrains.kotlin.gradle.utils.lowerCamelCaseName
+import org.jetbrains.kotlin.konan.target.KonanTarget
 
 abstract class AbstractKotlinTarget (
     override val project: Project
@@ -118,3 +120,25 @@ open class KotlinOnlyTarget<T : KotlinCompilation>(
     override var disambiguationClassifier: String? = null
         internal set
 }
+
+class KotlinNativeTarget(
+    project: Project,
+    val konanTarget: KonanTarget
+) : KotlinOnlyTarget<KotlinNativeCompilation>(project, KotlinPlatformType.native) {
+
+    init {
+        attributes.attribute(konanTargetAttribute, konanTarget.name)
+    }
+
+    // TODO: Should binary files be output of a target or a compilation?
+    override val artifactsTaskName: String
+        get() = disambiguateName("link")
+
+    companion object {
+        val konanTargetAttribute = Attribute.of(
+            "org.jetbrains.kotlin.native.target",
+            String::class.java
+        )
+    }
+}
+

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

@@ -0,0 +1,238 @@
+package org.jetbrains.kotlin.gradle.tasks
+
+import org.gradle.api.DefaultTask
+import org.gradle.api.artifacts.repositories.ArtifactRepository
+import org.gradle.api.artifacts.repositories.IvyPatternRepositoryLayout
+import org.gradle.api.file.FileCollection
+import org.gradle.api.file.FileTree
+import org.gradle.api.provider.Property
+import org.gradle.api.tasks.*
+import org.jetbrains.kotlin.compilerRunner.*
+import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeCompilation
+import org.jetbrains.kotlin.konan.KonanVersion
+import org.jetbrains.kotlin.konan.KonanVersionImpl
+import org.jetbrains.kotlin.konan.MetaVersion
+import org.jetbrains.kotlin.konan.target.CompilerOutputKind
+import org.jetbrains.kotlin.konan.target.HostManager
+import org.jetbrains.kotlin.konan.util.DependencyDirectories
+import java.io.File
+
+// TODO: It's just temporary tasks used while KN isn't integrated with Big Kotlin compilation infrastructure.
+
+open class KotlinNativeCompile : DefaultTask() {
+
+    init {
+        super.dependsOn(KonanCompilerDownloadTask.KONAN_DOWNLOAD_TASK_NAME)
+    }
+
+    @Internal
+    lateinit var compilation: KotlinNativeCompilation
+
+    // region inputs/outputs
+    @Input
+    lateinit var outputKind: CompilerOutputKind
+
+    // Inputs and outputs
+
+    val sources: FileCollection
+        @InputFiles
+        @SkipWhenEmpty
+        get() = compilation.allSources
+
+    val libraries: FileCollection
+        @InputFiles get() = compilation.compileDependencyFiles.filter {
+            it.extension == "klib"
+        }
+
+    @Input
+    var optimized = false
+    @Input
+    var debuggable = true
+
+    val processTests
+        @Input get() = compilation.isTestCompilation
+
+    val target: String
+        @Input get() = compilation.target.konanTarget.name
+
+    val additionalCompilerOptions: Collection<String>
+        @Input get() = compilation.extraOpts
+
+
+    val outputFile: Property<File> = project.objects.property(File::class.java)
+
+    // endregion
+
+    // region Useful extensions
+    internal fun MutableList<String>.addArg(parameter: String, value: String) {
+        add(parameter)
+        add(value)
+    }
+
+    internal fun MutableList<String>.addArgs(parameter: String, values: Iterable<String>) {
+        values.forEach {
+            addArg(parameter, it)
+        }
+    }
+
+    internal fun MutableList<String>.addArgIfNotNull(parameter: String, value: String?) {
+        if (value != null) {
+            addArg(parameter, value)
+        }
+    }
+
+    internal fun MutableList<String>.addKey(key: String, enabled: Boolean) {
+        if (enabled) {
+            add(key)
+        }
+    }
+
+    internal fun MutableList<String>.addFileArgs(parameter: String, values: FileCollection) {
+        values.files.forEach {
+            addArg(parameter, it.canonicalPath)
+        }
+    }
+
+    internal fun MutableList<String>.addFileArgs(parameter: String, values: Collection<FileCollection>) {
+        values.forEach {
+            addFileArgs(parameter, it)
+        }
+    }
+
+    internal fun MutableList<String>.addListArg(parameter: String, values: List<String>) {
+        if (values.isNotEmpty()) {
+            addArg(parameter, values.joinToString(separator = " "))
+        }
+    }
+    // endregion
+
+    @TaskAction
+    fun compile() {
+        val output = outputFile.get()
+        output.parentFile.mkdirs()
+
+        val args = mutableListOf<String>().apply {
+            addArg("-o", outputFile.get().absolutePath)
+            addKey("-opt", optimized)
+            addKey("-g", debuggable)
+            addKey("-ea", debuggable)
+            addKey("-tr", processTests)
+
+            addArg("-target", target)
+            addArg("-p", outputKind.name.toLowerCase())
+
+            add("-Xmulti-platform")
+
+            addAll(additionalCompilerOptions)
+
+            libraries.files.forEach { library ->
+                library.parent?.let { addArg("-r", it) }
+                addArg("-l", library.nameWithoutExtension)
+            }
+
+            // TODO: Filter only kt files?
+            addAll(sources.files.map { it.absolutePath })
+        }
+
+        KonanCompilerRunner(project).run(args)
+    }
+}
+
+open class KonanCompilerDownloadTask : DefaultTask() {
+
+    internal companion object {
+
+        val simpleOsName: String = HostManager.simpleOsName()
+
+        val compilerDirectory: File
+            get() = DependencyDirectories.localKonanDir.resolve("kotlin-native-$simpleOsName-$compilerVersion")
+
+        // TODO: Support project property for Kotlin/Native compiler version
+        val compilerVersion: KonanVersion = KonanVersionImpl(MetaVersion.RELEASE, 0, 8, 2)
+
+        internal const val BASE_DOWNLOAD_URL = "https://download.jetbrains.com/kotlin/native/builds"
+        const val KONAN_DOWNLOAD_TASK_NAME = "checkNativeCompiler"
+    }
+
+    private val useZip = HostManager.hostIsMingw
+
+    private val archiveExtension
+        get() = if (useZip) {
+            "zip"
+        } else {
+            "tar.gz"
+        }
+
+    private fun archiveFileTree(archive: File): FileTree =
+        if (useZip) {
+            project.zipTree(archive)
+        } else {
+            project.tarTree(archive)
+        }
+
+    private fun setupRepo(url: String): ArtifactRepository {
+        return project.repositories.ivy { repo ->
+            repo.setUrl(url)
+            repo.layout("pattern") {
+                val layout = it as IvyPatternRepositoryLayout
+                layout.artifact("[artifact]-[revision].[ext]")
+            }
+            repo.metadataSources {
+                it.artifact()
+            }
+        }
+    }
+
+    private fun removeRepo(repo: ArtifactRepository) {
+        project.repositories.remove(repo)
+    }
+
+    private fun downloadAndExtract() {
+        val versionString = compilerVersion.toString()
+
+        val url = buildString {
+            append("$BASE_DOWNLOAD_URL/")
+            append(if (compilerVersion.meta == MetaVersion.DEV) "dev/" else "releases/")
+            append("$versionString/")
+            append(simpleOsName)
+        }
+
+        val repo = setupRepo(url)
+
+        val compilerDependency = project.dependencies.create(
+            mapOf(
+                "name" to "kotlin-native-$simpleOsName",
+                "version" to versionString,
+                "ext" to archiveExtension
+            )
+        )
+
+        val configuration = project.configurations.detachedConfiguration(compilerDependency)
+        val archive = configuration.files.single()
+
+        logger.info("Use Kotlin/Native compiler archive: ${archive.absolutePath}")
+        logger.lifecycle("Unpack Kotlin/Native compiler (version $versionString)...")
+        project.copy {
+            it.from(archiveFileTree(archive))
+            it.into(DependencyDirectories.localKonanDir)
+        }
+
+        removeRepo(repo)
+
+    }
+
+
+    @TaskAction
+    fun checkCompiler() {
+        if (!project.hasProperty(KotlinNativeProjectProperty.DOWNLOAD_COMPILER)) {
+            val konanHome = project.getProperty(KotlinNativeProjectProperty.KONAN_HOME)
+            logger.info("Use a user-defined compiler path: $konanHome")
+        } else {
+            if (!compilerDirectory.exists()) {
+                downloadAndExtract()
+            }
+            logger.info("Use Kotlin/Native distribution: $compilerDirectory")
+        }
+    }
+
+}

settings.gradle

@@ -49,6 +49,7 @@ include ":kotlin-build-common",
         ":js:js.translator",
         ":js:js.dce",
         ":js:js.tests",
+        ":konan:konan-utils",
         ":jps-plugin",
         ":kotlin-jps-plugin",
         ":core:descriptors",
@@ -231,6 +232,7 @@ project(':compiler:ir.psi2ir').projectDir = "$rootDir/compiler/ir/ir.psi2ir" as
 project(':compiler:ir.ir2cfg').projectDir = "$rootDir/compiler/ir/ir.ir2cfg" as File
 project(':compiler:ir.backend.common').projectDir = "$rootDir/compiler/ir/backend.common" as File
 project(':compiler:backend.js').projectDir = "$rootDir/compiler/ir/backend.js" as File
+project(':konan:konan-utils').projectDir = "$rootDir/konan/utils" as File
 project(':kotlin-jps-plugin').projectDir = "$rootDir/prepare/jps-plugin" as File
 project(':idea:idea-android-output-parser').projectDir = "$rootDir/idea/idea-android/idea-android-output-parser" as File
 project(':plugins:android-extensions-compiler').projectDir = "$rootDir/plugins/android-extensions/android-extensions-compiler" as File