Add libraries provided by the K/N compiler in dependencies

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

@@ -6,12 +6,14 @@
 package org.jetbrains.kotlin.gradle.plugin.mpp
 
 import org.gradle.api.Project
+import org.gradle.api.file.FileCollection
 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.KotlinNativeProjectProperty
 import org.jetbrains.kotlin.compilerRunner.hasProperty
+import org.jetbrains.kotlin.compilerRunner.konanHome
 import org.jetbrains.kotlin.compilerRunner.setProperty
 import org.jetbrains.kotlin.gradle.dsl.KotlinCompile
 import org.jetbrains.kotlin.gradle.dsl.kotlinExtension
@@ -250,7 +252,19 @@ class KotlinNativeTargetPreset(
         tasks.maybeCreate(KONAN_DOWNLOAD_TASK_NAME, KonanCompilerDownloadTask::class.java)
     }
 
+    private fun stdlib(target: KonanTarget): FileCollection = with(project) {
+        files("${konanHome}/klib/common/stdlib").builtBy(createCompilerDownloadingTask())
+    }
+
+    private fun platformLibs(target: KonanTarget): FileCollection = with(project) {
+        files(provider {
+            file("${project.konanHome}/klib/platform/${target.name}").listFiles { file -> file.isDirectory } ?: emptyArray()
+        })
+    }
+
     override fun createTarget(name: String): KotlinNativeTarget {
+        createCompilerDownloadingTask()
+
         val result = KotlinNativeTarget(project, konanTarget).apply {
             targetName = name
             disambiguationClassifier = name
@@ -259,8 +273,16 @@ class KotlinNativeTargetPreset(
             compilations = project.container(compilationFactory.itemClass, compilationFactory)
         }
 
-        createCompilerDownloadingTask()
         KotlinNativeTargetConfigurator(buildOutputCleanupRegistry).configureTarget(result)
+
+        // Allow IDE to resolve the libraries provided by the compiler by adding them into dependencies.
+        result.compilations.all {
+            val target = it.target.konanTarget
+            it.dependencies {
+                implementation(stdlib(target))
+                implementation(platformLibs(target))
+            }
+        }
         return result
     }
 }

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

@@ -40,9 +40,7 @@ open class KotlinNativeCompile : DefaultTask() {
         get() = compilation.allSources
 
     val libraries: FileCollection
-        @InputFiles get() = compilation.compileDependencyFiles.filter {
+        @InputFiles get() = compilation.compileDependencyFiles
-            it.extension == "klib"
-        }
 
     @Input
     var optimized = false
@@ -58,6 +56,12 @@ open class KotlinNativeCompile : DefaultTask() {
     val additionalCompilerOptions: Collection<String>
         @Input get() = compilation.extraOpts
 
+    val kotlinNativeVersion: String
+        @Input get() = KonanCompilerDownloadTask.compilerVersion.toString()
+
+    val kotlinNativeHome: File
+        @Input get() = project.file(project.konanHome)
+
     // We manually register this property as output file or directory depending on output kind.
     @Internal
     val outputFile: Property<File> = project.objects.property(File::class.java)
@@ -107,6 +111,9 @@ open class KotlinNativeCompile : DefaultTask() {
     }
     // endregion
 
+    private val File.providedByCompiler: Boolean
+        get() = toPath().startsWith(project.file(project.konanHome).toPath())
+
     @TaskAction
     fun compile() {
         val output = outputFile.get()
@@ -126,7 +133,10 @@ open class KotlinNativeCompile : DefaultTask() {
 
             addAll(additionalCompilerOptions)
 
-            libraries.files.forEach { library ->
+            libraries.files.filter {
+                // Support only klib files for now.
+                it.extension == "klib" && !it.providedByCompiler
+            }.forEach { library ->
                 library.parent?.let { addArg("-r", it) }
                 addArg("-l", library.nameWithoutExtension)
             }
@@ -212,24 +222,23 @@ open class KonanCompilerDownloadTask : DefaultTask() {
         val archive = configuration.files.single()
 
         logger.info("Use Kotlin/Native compiler archive: ${archive.absolutePath}")
-        logger.lifecycle("Unpack Kotlin/Native compiler (version $versionString)...")
+        logger.lifecycle("Unpacking 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()) {
+            // TODO: Move Kotlin/Native Distribution class in the Big Kotlin repo and use it here.
+            if (KonanCompilerRunner(project).classpath.isEmpty) {
                 downloadAndExtract()
             }
             logger.info("Use Kotlin/Native distribution: $compilerDirectory")