Workarounds to build parts of stdlib as kotlin-runtime and mock runtime

Fix source paths of kotlin-stdlib-minimal-for-tests

libraries/stdlib/jvm-minimal-for-test/build.gradle.kts

@@ -23,16 +23,19 @@ sourceSets {
 }
 
 val copySources by task<Copy> {
-    from(project(":kotlin-stdlib").projectDir.resolve("jvm/runtime"))
-            .include("kotlin/TypeAliases.kt",
-                    "kotlin/text/TypeAliases.kt")
-    from(project(":kotlin-stdlib").projectDir.resolve("src"))
-            .include("kotlin/collections/TypeAliases.kt",
-                    "kotlin/jvm/JvmVersion.kt",
-                    "kotlin/util/Standard.kt",
-                    "kotlin/internal/Annotations.kt",
-                    "kotlin/internal/contracts/ContractBuilder.kt",
-                    "kotlin/internal/contracts/Effect.kt")
+    val stdlibProjectDir = project(":kotlin-stdlib").projectDir
+
+    from(stdlibProjectDir.resolve("runtime"))
+        .include("kotlin/TypeAliases.kt",
+                 "kotlin/text/TypeAliases.kt")
+    from(stdlibProjectDir.resolve("src"))
+        .include("kotlin/collections/TypeAliases.kt",
+                 "kotlin/jvm/JvmVersion.kt")
+    from(stdlibProjectDir.resolve("../src"))
+        .include("kotlin/util/Standard.kt",
+                 "kotlin/internal/Annotations.kt",
+                 "kotlin/internal/contracts/ContractBuilder.kt",
+                 "kotlin/internal/contracts/Effect.kt")
     into(File(buildDir, "src"))
 }
 
@@ -44,7 +47,7 @@ tasks.withType<JavaCompile> {
 tasks.withType<KotlinCompile> {
     dependsOn(copySources)
     kotlinOptions {
-        freeCompilerArgs += listOf("-module-name", "kotlin-stdlib")
+        freeCompilerArgs += listOf("-module-name", "kotlin-stdlib", "-Xmulti-platform")
     }
 }
 

libraries/stdlib/jvm/runtime/kotlin/TypeAliases.kt

@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+@file:Suppress("ACTUAL_WITHOUT_EXPECT") // for building kotlin-runtime
+
 package kotlin
 
 

libraries/stdlib/jvm/runtime/kotlin/UninitializedPropertyAccessException.kt

@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+@file:Suppress("ACTUAL_WITHOUT_EXPECT") // for building kotlin-runtime
+
 package kotlin
 
 public actual class UninitializedPropertyAccessException : RuntimeException {

libraries/stdlib/jvm/runtime/kotlin/jvm/annotations/JvmFlagAnnotations.kt

@@ -22,6 +22,7 @@ import kotlin.annotation.AnnotationTarget.*
  * Marks the JVM backing field of the annotated property as `volatile`, meaning that writes to this field
  * are immediately made visible to other threads.
  */
+@Suppress("ACTUAL_WITHOUT_EXPECT") // for building kotlin-runtime
 @Target(FIELD)
 @Retention(AnnotationRetention.SOURCE)
 @MustBeDocumented

libraries/stdlib/jvm/runtime/kotlin/jvm/annotations/JvmPlatformAnnotations.kt

@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+@file:Suppress("ACTUAL_WITHOUT_EXPECT") // for building kotlin-runtime
+
 package kotlin.jvm
 
 import kotlin.reflect.KClass

libraries/stdlib/jvm/runtime/kotlin/text/TypeAliases.kt

@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+@file:Suppress("ACTUAL_WITHOUT_EXPECT") // for building kotlin-runtime
+
 package kotlin.text
 
 @SinceKotlin("1.1") public actual typealias Appendable = java.lang.Appendable

libraries/stdlib/jvm/src/kotlin/collections/TypeAliases.kt

@@ -1,5 +1,7 @@
 @file:kotlin.jvm.JvmVersion
 
+@file:Suppress("ACTUAL_WITHOUT_EXPECT") // for building kotlin-stdlib-minimal-for-test
+
 package kotlin.collections
 
 @SinceKotlin("1.1") public actual typealias RandomAccess = java.util.RandomAccess

libraries/stdlib/runtime/build.gradle

@@ -44,6 +44,7 @@ compileKotlin {
                 "-Xallow-kotlin-package",
                 "-Xnormalize-constructor-calls=enable",
                 "-Xdump-declarations-to=${buildDir}/runtime-declarations.json",
+                "-Xmulti-platform",
                 "-cp", "${rootDir}/dist/builtins",
                 "-module-name", project.name
         ]