[K/N][build] Move stdlib caching to runtime project

kotlin-native/build.gradle

@@ -471,7 +471,7 @@ targetList.each { target ->
     if (target in cacheableTargetNames) {
         task ("${target}StdlibCache", type: Copy) {
             dependsOn "${target}CrossDistStdlib"
-            dependsOn ":kotlin-native:platformLibs:${target}StdlibCache"
+            dependsOn ":kotlin-native:runtime:${target}StdlibCache"
 
             destinationDir project.file("$distDir/klib/cache/")
 

kotlin-native/platformLibs/build.gradle

@@ -55,17 +55,6 @@ rootProject.project("kotlin-native").ext.platformManager.enabled.each { target -
     ArrayList<TaskProvider> installTasks = []
     ArrayList<TaskProvider> cacheTasks = []
 
-    if (target in cacheableTargets) {
-        tasks.register("${targetName}StdlibCache", KonanCacheTask) {
-            it.target = targetName
-            def runtimeBuild = project(":kotlin-native:runtime").buildDir
-            it.originalKlib = project.file("$runtimeBuild/${target}Stdlib")
-            it.cacheRoot = project.file("$runtimeBuild/cache/$target").path
-
-            it.dependsOn ":kotlin-native:${targetName}CrossDistRuntime"
-        }
-    }
-
     targetDefFiles(target).each { df ->
         def libName = defFileToLibName(targetName, df.name)
         def fileNamePrefix = PlatformLibsInfo.namePrefix
@@ -107,7 +96,7 @@ rootProject.project("kotlin-native").ext.platformManager.enabled.each { target -
             def cacheTask = tasks.register("${libName}Cache", KonanCacheTask) {
                 it.target = targetName
                 it.originalKlib = tasks[libName].installDir.get()
-                it.cacheRoot = file("$konanHome/klib/cache")
+                it.cacheRoot = file("$konanHome/klib/cache").absolutePath
 
                 it.dependsOn ":kotlin-native:${targetName}StdlibCache"
                 it.dependsOn tasks[libName]

kotlin-native/runtime/build.gradle.kts

@@ -5,6 +5,7 @@
 import org.jetbrains.kotlin.*
 import org.jetbrains.kotlin.testing.native.*
 import org.jetbrains.kotlin.bitcode.CompileToBitcode
+import org.jetbrains.kotlin.gradle.plugin.konan.tasks.KonanCacheTask
 import org.jetbrains.kotlin.konan.properties.loadProperties
 import org.jetbrains.kotlin.konan.properties.saveProperties
 import org.jetbrains.kotlin.konan.target.*
@@ -437,27 +438,39 @@ konanArtifacts {
     }
 }
 
-targetList.forEach { target ->
-    tasks.register("${target}Stdlib", Copy::class.java) {
+targetList.forEach { targetName ->
+    tasks.register("${targetName}Stdlib", Copy::class.java) {
         require(::stdlibBuildTask.isInitialized)
         dependsOn(stdlibBuildTask)
-        dependsOn("${target}Runtime")
+        dependsOn("${targetName}Runtime")
 
-        destinationDir = project.buildDir.resolve("${target}Stdlib")
+        destinationDir = project.buildDir.resolve("${targetName}Stdlib")
         from(project.buildDir.resolve("stdlib/${hostName}/stdlib"))
 
-        if (target != hostName) {
+        if (targetName != hostName) {
             doLast {
                 // Change target in manifest file
                 with(KFile(destinationDir.resolve("default/manifest").absolutePath)) {
                     loadProperties().also {
-                        it[KLIB_PROPERTY_NATIVE_TARGETS] = target
+                        it[KLIB_PROPERTY_NATIVE_TARGETS] = targetName
                         saveProperties(it)
                     }
                 }
             }
         }
     }
+
+    val cacheableTargetNames: List<String> by project
+
+    if (targetName in cacheableTargetNames) {
+        tasks.register("${targetName}StdlibCache", KonanCacheTask::class.java) {
+            target = targetName
+            originalKlib = project.buildDir.resolve("${targetName}Stdlib")
+            cacheRoot = project.buildDir.resolve("cache/$targetName").absolutePath
+
+            dependsOn(":kotlin-native:${targetName}CrossDistRuntime")
+        }
+    }
 }
 
 // endregion