Add kotlin-build-tools-enum-compat workaround

It acts as a workaround for the case when build tools or dependencies
are compiled with latest 'kotlin-stdlib' version, but at a runtime older
 'kotlin-stdlib' is provided, which does not know about new
 `EnumEntries`.

 ^KT-57317 Fixed

.space/CODEOWNERS

@@ -277,6 +277,7 @@
 /libraries/tools/binary-compatibility-validator/ "Kotlin Libraries"
 /libraries/tools/dukat/ "Kotlin JS"
 /libraries/kotlin-dom-api-compat/ "Kotlin JS"
+/libraries/tools/kotlin-build-tools-enum-compat/ "Kotlin Build Tools"
 /libraries/tools/gradle/ "Kotlin Build Tools"
 /libraries/tools/kotlin-allopen/ "Kotlin Build Tools"
 /libraries/tools/kotlin-annotations-jvm/ "Kotlin Libraries"

build-common/build.gradle.kts

@@ -1,6 +1,3 @@
-import org.jetbrains.kotlin.gradle.dsl.KotlinVersion as GradleKotlinVersion
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
-
 description = "Kotlin Build Common"
 
 plugins {
@@ -50,10 +47,3 @@ projectTest(parallel = true)
 projectTest("testJUnit5", jUnitMode = JUnitMode.JUnit5, parallel = true) {
     useJUnitPlatform()
 }
-
-// 1.9 level breaks Kotlin Gradle plugins via changes in enums (KT-48872)
-// We limit api and LV until KGP will stop using Kotlin compiler directly (KT-56574)
-tasks.withType<KotlinCompilationTask<*>>().configureEach {
-    compilerOptions.apiVersion.value(GradleKotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-    compilerOptions.languageVersion.value(GradleKotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-}

build.gradle.kts

@@ -230,6 +230,7 @@ extra["compilerModules"] =
 // They are embedded just because we don't publish those dependencies as separate Maven artifacts (yet)
 extra["kotlinJpsPluginEmbeddedDependencies"] = listOf(
     ":compiler:cli-common",
+    ":kotlin-build-tools-enum-compat",
     ":kotlin-compiler-runner-unshaded",
     ":daemon-common",
     ":core:compiler.common",

buildSrc/src/main/kotlin/GradleCommon.kt

@@ -13,7 +13,6 @@ import org.gradle.api.attributes.*
 import org.gradle.api.attributes.java.TargetJvmEnvironment
 import org.gradle.api.attributes.java.TargetJvmVersion
 import org.gradle.api.attributes.plugin.GradlePluginApiVersion
-import org.gradle.api.file.FileCollection
 import org.gradle.api.component.AdhocComponentWithVariants
 import org.gradle.api.plugins.JavaLibraryPlugin
 import org.gradle.api.plugins.JavaPlugin
@@ -31,12 +30,10 @@ import org.jetbrains.dokka.gradle.DokkaTask
 import org.jetbrains.dokka.gradle.GradleExternalDocumentationLinkBuilder
 import org.jetbrains.kotlin.gradle.dsl.KotlinSingleJavaTargetExtension
 import org.jetbrains.kotlin.gradle.plugin.KotlinPlatformType
-import org.jetbrains.kotlin.gradle.plugin.KotlinSourceSet
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import plugins.configureDefaultPublishing
 import plugins.configureKotlinPomAttributes
 import java.net.URL
-import java.util.*
 
 /**
  * Gradle's plugins common variants.
@@ -251,6 +248,7 @@ fun Project.wireGradleVariantToCommonGradleVariant(
             from(wireSourceSet.output, commonSourceSet.output)
             setupPublicJar(archiveBaseName.get())
             addEmbeddedRuntime()
+            addEmbeddedRuntime(wireSourceSet.embeddedConfigurationName)
         } else if (name == wireSourceSet.sourcesJarTaskName) {
             from(wireSourceSet.allSource, commonSourceSet.allSource)
         }
@@ -302,6 +300,15 @@ fun Project.reconfigureMainSourcesSetForGradlePlugin(
                         withJavadocJar()
                     }
                 }
+
+            configurations.create(sourceSets.getByName("main").embeddedConfigurationName) {
+                isCanBeConsumed = false
+                isCanBeResolved = true
+                attributes {
+                    attribute(Usage.USAGE_ATTRIBUTE, objects.named(Usage.JAVA_RUNTIME))
+                    attribute(LibraryElements.LIBRARY_ELEMENTS_ATTRIBUTE, objects.named(LibraryElements.JAR))
+                }
+            }
         }
 
         // Workaround for https://youtrack.jetbrains.com/issue/KT-52987
@@ -423,10 +430,20 @@ fun Project.createGradlePluginVariant(
 
             configurations.named(variantSourceSet.apiElementsConfigurationName, commonVariantAttributes())
             configurations.named(variantSourceSet.runtimeElementsConfigurationName, commonVariantAttributes())
+
+            configurations.create(variantSourceSet.embeddedConfigurationName) {
+                isCanBeConsumed = false
+                isCanBeResolved = true
+                attributes {
+                    attribute(Usage.USAGE_ATTRIBUTE, objects.named(Usage.JAVA_RUNTIME))
+                    attribute(LibraryElements.LIBRARY_ELEMENTS_ATTRIBUTE, objects.named(LibraryElements.JAR))
+                }
+            }
         }
 
         tasks.named<Jar>(variantSourceSet.sourcesJarTaskName) {
             addEmbeddedSources()
+            addEmbeddedSources(variantSourceSet.embeddedConfigurationName)
         }
     }
 
@@ -513,6 +530,7 @@ fun Project.publishShadowedJar(
             jarTask.flatMap { it.archiveClassifier }
         )
         addEmbeddedRuntime()
+        addEmbeddedRuntime(sourceSet.embeddedConfigurationName)
         from(sourceSet.output)
         from(commonSourceSet.output)
 
@@ -701,3 +719,5 @@ private fun GradleExternalDocumentationLinkBuilder.addWorkaroundForElementList(p
         packageListUrl.set(URL("${pluginVariant.gradleApiJavadocUrl}element-list"))
     }
 }
+
+private val SourceSet.embeddedConfigurationName get() = "${name}Embedded"

buildSrc/src/main/kotlin/artifacts.kt

@@ -73,8 +73,9 @@ fun Project.noDefaultJar() {
     configurations.named("archives", removeJarTaskArtifact(jarTask))
 }
 
-fun Jar.addEmbeddedRuntime() {
-    project.configurations.findByName("embedded")?.let { embedded ->
+@JvmOverloads
+fun Jar.addEmbeddedRuntime(embeddedConfigurationName: String = "embedded") {
+    project.configurations.findByName(embeddedConfigurationName)?.let { embedded ->
         dependsOn(embedded)
         val archiveOperations = project.serviceOf<ArchiveOperations>()
         from {
@@ -203,8 +204,9 @@ fun Project.sourcesJarWithSourcesFromEmbedded(
     return sourcesJarTask
 }
 
-fun Jar.addEmbeddedSources() {
-    project.configurations.findByName("embedded")?.let { embedded ->
+@JvmOverloads
+fun Jar.addEmbeddedSources(configurationName: String = "embedded") {
+    project.configurations.findByName(configurationName)?.let { embedded ->
         val allSources by lazy {
             embedded.resolvedConfiguration
                 .resolvedArtifacts

compiler/cli/cli-common/build.gradle.kts

@@ -1,6 +1,3 @@
-import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
-
 plugins {
     kotlin("jvm")
     id("jps-compatible")
@@ -33,10 +30,3 @@ tasks.getByName<Jar>("jar") {
     //excludes unused bunch files
     exclude("META-INF/extensions/*.xml.**")
 }
-
-// 1.9 level breaks Kotlin Gradle plugins via changes in enums (KT-48872)
-// We limit api and LV until KGP will stop using Kotlin compiler directly (KT-56574)
-tasks.withType<KotlinCompilationTask<*>>().configureEach {
-    compilerOptions.apiVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-    compilerOptions.languageVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-}

compiler/config.jvm/build.gradle.kts

@@ -1,6 +1,3 @@
-import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
-
 plugins {
     kotlin("jvm")
     id("jps-compatible")
@@ -16,10 +13,3 @@ sourceSets {
     "main" { projectDefault() }
     "test" { }
 }
-
-// 1.9 level breaks Kotlin Gradle plugins via changes in enums (KT-48872)
-// We limit api and LV until KGP will stop using Kotlin compiler directly (KT-56574)
-tasks.withType<KotlinCompilationTask<*>>().configureEach {
-    compilerOptions.apiVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-    compilerOptions.languageVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-}

compiler/daemon/daemon-common/build.gradle.kts

@@ -1,6 +1,3 @@
-import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
-
 plugins {
     kotlin("jvm")
     id("jps-compatible")
@@ -16,11 +13,3 @@ sourceSets {
     "main" { projectDefault() }
     "test" {}
 }
-
-// 1.9 level breaks Kotlin Gradle plugins via changes in enums (KT-48872)
-// We limit api and LV until KGP will stop using Kotlin compiler directly (KT-56574)
-tasks.withType<KotlinCompilationTask<*>>().configureEach {
-    compilerOptions.apiVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-    compilerOptions.languageVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-}
-

compiler/frontend.common/build.gradle.kts

@@ -1,7 +1,3 @@
-import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
-
-
 plugins {
     kotlin("jvm")
     id("jps-compatible")
@@ -18,10 +14,3 @@ sourceSets {
     "main" { projectDefault() }
     "test" {}
 }
-
-// 1.9 level breaks Kotlin Gradle plugins via changes in enums (KT-48872)
-// We limit api and LV until KGP will stop using Kotlin compiler directly (KT-56574)
-tasks.withType<KotlinCompilationTask<*>>().configureEach {
-    compilerOptions.apiVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-    compilerOptions.languageVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-}

compiler/incremental-compilation-impl/build.gradle.kts

@@ -1,6 +1,3 @@
-import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
-
 plugins {
     kotlin("jvm")
     id("jps-compatible")
@@ -56,10 +53,3 @@ projectTest("testJvmICWithJdk11", parallel = true) {
 }
 
 testsJar()
-
-// 1.9 level breaks Kotlin Gradle plugins via changes in enums (KT-48872)
-// We limit api and LV until KGP will stop using Kotlin compiler directly (KT-56574)
-tasks.withType<KotlinCompilationTask<*>>().configureEach {
-    compilerOptions.apiVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-    compilerOptions.languageVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-}

compiler/util/build.gradle.kts

@@ -1,6 +1,3 @@
-import org.jetbrains.kotlin.gradle.dsl.KotlinVersion as GradleKotlinVersion
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
-
 plugins {
     kotlin("jvm")
     id("jps-compatible")
@@ -24,10 +21,3 @@ sourceSets {
     }
     "test" {}
 }
-
-// 1.9 level breaks Kotlin Gradle plugins via changes in enums (KT-48872)
-// We limit api and LV until KGP will stop using Kotlin compiler directly (KT-56574)
-tasks.withType<KotlinCompilationTask<*>>().configureEach {
-    compilerOptions.apiVersion.value(GradleKotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-    compilerOptions.languageVersion.value(GradleKotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-}

core/deserialization.common.jvm/build.gradle.kts

@@ -1,6 +1,3 @@
-import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
-
 plugins {
     kotlin("jvm")
     id("jps-compatible")
@@ -18,10 +15,3 @@ sourceSets {
     "main" { projectDefault() }
     "test" {}
 }
-
-// 1.9 level breaks Kotlin Gradle plugins via changes in enums (KT-48872)
-// We limit api and LV until KGP will stop using Kotlin compiler directly (KT-56574)
-tasks.withType<KotlinCompilationTask<*>>().configureEach {
-    compilerOptions.apiVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-    compilerOptions.languageVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-}

core/util.runtime/build.gradle.kts

@@ -1,6 +1,3 @@
-import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
-
 plugins {
     kotlin("jvm")
     id("jps-compatible")
@@ -16,10 +13,3 @@ sourceSets {
     "main" { projectDefault() }
     "test" {}
 }
-
-// 1.9 level breaks Kotlin Gradle plugins via changes in enums (KT-48872)
-// We limit api and LV until KGP will stop using Kotlin compiler directly (KT-56574)
-tasks.withType<KotlinCompilationTask<*>>().configureEach {
-    compilerOptions.apiVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-    compilerOptions.languageVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-}

gradle/verification-metadata.xml

@@ -17,6 +17,7 @@
          <trust group="org.jetbrains.kotlin" name="kotlin-annotation-processing-embeddable" version="1.9.[0-9](-.+)?" regex="true"/>
          <trust group="org.jetbrains.kotlin" name="kotlin-annotation-processing-gradle" version="1.9.[0-9](-.+)?" regex="true"/>
          <trust group="org.jetbrains.kotlin" name="kotlin-build-common" version="1.9.[0-9](-.+)?" regex="true"/>
+         <trust group="org.jetbrains.kotlin" name="kotlin-build-tools-enum-compat" version="1.9.[0-9](-.+)?" regex="true"/>
          <trust group="org.jetbrains.kotlin" name="kotlin-build-tools-api" version="1.9.[0-9](-.+)?" regex="true"/>
          <trust group="org.jetbrains.kotlin" name="kotlin-build-tools-impl" version="1.9.[0-9](-.+)?" regex="true"/>
          <trust group="org.jetbrains.kotlin" name="kotlin-compiler-embeddable" version="1.9.[0-9](-.+)?" regex="true"/>

jps/jps-common/build.gradle.kts

@@ -48,4 +48,4 @@ runtimeJar()
 tasks.withType<KotlinCompilationTask<*>>().configureEach {
     compilerOptions.apiVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
     compilerOptions.languageVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-}
+}

libraries/scripting/common/build.gradle.kts

@@ -1,6 +1,3 @@
-import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
-
 plugins {
     kotlin("jvm")
     id("jps-compatible")
@@ -30,10 +27,3 @@ publish()
 runtimeJar()
 sourcesJar()
 javadocJar()
-
-// 1.9 level breaks Kotlin Gradle plugins via changes in enums (KT-48872)
-// We limit api and LV until KGP will stop using Kotlin compiler directly (KT-56574)
-tasks.withType<KotlinCompilationTask<*>>().configureEach {
-    compilerOptions.apiVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-    compilerOptions.languageVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-}

libraries/tools/kotlin-build-tools-enum-compat/Readme.md

@@ -0,0 +1,7 @@
+## Description
+
+Backport of `EnumEntries` runtime support API ([KT-48872](https://youtrack.jetbrains.com/issue/KT-48872))
+
+This should help with the case when code was compiled using newer `kotlin-stdlib` version as a `compileOnly` dependency, but at a runtime
+older version of `kotlin-stdlib` is provided ([KT-57317](https://youtrack.jetbrains.com/issue/KT-57317)). Mostly it is needed for Kotlin
+build tools artifacts.

libraries/tools/kotlin-build-tools-enum-compat/build.gradle.kts

@@ -0,0 +1,17 @@
+import org.jetbrains.kotlin.gradle.tasks.KotlinJvmCompile
+
+plugins {
+    id("org.jetbrains.kotlin.jvm")
+    id("jps-compatible")
+}
+
+configureKotlinCompileTasksGradleCompatibility()
+extensions.extraProperties["kotlin.stdlib.default.dependency"] = "false"
+
+dependencies {
+    compileOnly(project(":kotlin-stdlib"))
+}
+
+tasks.withType<KotlinJvmCompile>().configureEach {
+    compilerOptions.freeCompilerArgs.add("-Xallow-kotlin-package")
+}

libraries/tools/kotlin-build-tools-enum-compat/src/main/kotlin/kotlin/enums/EnumEntries.kt

@@ -0,0 +1,79 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package kotlin.enums
+
+import java.io.Serializable
+
+/**
+ * A specialized immutable implementation of [List] interface that
+ * contains all enum entries of the specified enum type [E].
+ * [EnumEntries] contains all enum entries in the order they are declared in the source code,
+ * consistently with the corresponding [Enum.ordinal] values.
+ *
+ * An instance of this interface can only be obtained from `EnumClass.entries` property.
+ */
+@ExperimentalStdlibApi
+interface EnumEntries<E : Enum<E>> : List<E>
+
+@Suppress("unused")
+@PublishedApi
+@ExperimentalStdlibApi
+internal fun <E : Enum<E>> enumEntries(entriesProvider: () -> Array<E>): EnumEntries<E> = EnumEntriesList(entriesProvider())
+
+@PublishedApi
+@ExperimentalStdlibApi
+internal fun <E : Enum<E>> enumEntries(entries: Array<E>): EnumEntries<E> = EnumEntriesList(entries)
+
+@ExperimentalStdlibApi
+private class EnumEntriesList<T : Enum<T>>(private val entries: Array<T>) : EnumEntries<T>, AbstractList<T>(), Serializable {
+// WA for JS IR bug:
+//  class type parameter name MUST be different from E (AbstractList<E> type parameter),
+//  otherwise the bridge names for contains() and indexOf() will be clashed with the original method names,
+//  and produced JS code will not contain type checks and will not work correctly.
+
+    override val size: Int
+        get() = entries.size
+
+    override fun get(index: Int): T {
+        checkElementIndex(index, entries.size)
+        return entries[index]
+    }
+
+    // Ported from kotlin-stdlib-common AbstractList.kt
+    private fun checkElementIndex(index: Int, size: Int) {
+        if (index < 0 || index >= size) {
+            throw IndexOutOfBoundsException("index: $index, size: $size")
+        }
+    }
+
+    // By definition, EnumEntries contains **all** enums in declaration order,
+    // thus we are able to short-circuit the implementation here
+
+    override fun contains(element: T): Boolean {
+        @Suppress("SENSELESS_COMPARISON")
+        if (element === null) return false // WA for JS IR bug
+        // Check identity due to UnsafeVariance
+        val target = entries.getOrNull(element.ordinal)
+        return target === element
+    }
+
+    override fun indexOf(element: T): Int {
+        @Suppress("SENSELESS_COMPARISON")
+        if (element === null) return -1 // WA for JS IR bug
+        // Check identity due to UnsafeVariance
+        val ordinal = element.ordinal
+        val target = entries.getOrNull(ordinal)
+        return if (target === element) ordinal else -1
+    }
+
+    override fun lastIndexOf(element: T): Int = indexOf(element)
+
+    @Suppress("unused")
+    private fun writeReplace(): Any {
+        // Used for Java serialization: EESP ensures that deserialized object **always** reflects the state of the enum on the target classpath
+        return EnumEntriesSerializationProxy(entries)
+    }
+}

libraries/tools/kotlin-build-tools-enum-compat/src/main/kotlin/kotlin/enums/EnumEntriesSerializationProxy.kt

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+@file:Suppress("EXPECT_AND_ACTUAL_IN_THE_SAME_MODULE") // for building kotlin-stdlib-jvm-minimal-for-test
+
+package kotlin.enums
+
+import java.io.Serializable
+
+@Suppress("UNCHECKED_CAST", "unused")
+internal class EnumEntriesSerializationProxy<E : Enum<E>>(entries: Array<E>) : Serializable {
+    private val c: Class<E> = entries.javaClass.componentType!! as Class<E>
+
+    private companion object {
+        private const val serialVersionUID: Long = 0L
+    }
+
+    @OptIn(ExperimentalStdlibApi::class)
+    private fun readResolve(): Any {
+        return enumEntries(c.enumConstants)
+    }
+}

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

@@ -89,6 +89,14 @@ dependencies {
         exclude(group = "*")
     }
 
+    // Adding workaround KT-57317 for Gradle versions where Kotlin runtime <1.8.0
+    mainEmbedded(project(":kotlin-build-tools-enum-compat"))
+    gradle70Embedded(project(":kotlin-build-tools-enum-compat"))
+    gradle71Embedded(project(":kotlin-build-tools-enum-compat"))
+    gradle74Embedded(project(":kotlin-build-tools-enum-compat"))
+    gradle75Embedded(project(":kotlin-build-tools-enum-compat"))
+    gradle76Embedded(project(":kotlin-build-tools-enum-compat"))
+
     testCompileOnly(project(":compiler"))
     testCompileOnly(project(":kotlin-annotation-processing"))
 

native/commonizer-api/build.gradle.kts

@@ -1,6 +1,3 @@
-import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
-
 plugins {
     kotlin("jvm")
 }
@@ -39,10 +36,3 @@ projectTest(parallel = false) {
 runtimeJar()
 sourcesJar()
 javadocJar()
-
-// 1.9 level breaks Kotlin Gradle plugins via changes in enums (KT-48872)
-// We limit api and LV until KGP will stop using Kotlin compiler directly (KT-56574)
-tasks.withType<KotlinCompilationTask<*>>().configureEach {
-    compilerOptions.apiVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-    compilerOptions.languageVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-}

plugins/pill/pill-importer/build.gradle.kts

@@ -51,10 +51,3 @@ val unpill by tasks.creating {
     dependsOn(jar)
     doLast { runPillTask("unpill") }
 }
-
-// 1.9 level breaks Kotlin Gradle plugins via changes in enums (KT-48872)
-tasks.withType<KotlinCompilationTask<*>>().configureEach {
-    compilerOptions.apiVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-    compilerOptions.languageVersion.value(KotlinVersion.KOTLIN_1_8).finalizeValueOnRead()
-}
-

prepare/kotlin-jps-plugin/build.gradle.kts

@@ -16,4 +16,7 @@ dependencies {
 
 @Suppress("UNCHECKED_CAST")
 val embeddedDependencies = rootProject.extra["kotlinJpsPluginEmbeddedDependencies"] as List<String>
-publishProjectJars(embeddedDependencies + listOf(":jps:jps-plugin", ":jps:jps-common"), libraryDependencies = listOf(protobufFull()))
+publishProjectJars(
+    embeddedDependencies + listOf(":jps:jps-plugin", ":jps:jps-common"),
+    libraryDependencies = listOf(protobufFull())
+)

settings.gradle

@@ -185,6 +185,7 @@ include ":kotlin-imports-dumper-compiler-plugin",
         ":generators:ide-iml-to-gradle-generator",
         ":generators:test-generator",
         ":tools:kotlinp",
+        ":kotlin-build-tools-enum-compat",
         ":kotlin-project-model",
         ":kotlin-project-model-tests-generator",
         ":kotlin-gradle-compiler-types",
@@ -710,6 +711,7 @@ project(':kotlin-assignment-compiler-plugin.cli').projectDir = "$rootDir/plugins
 project(':kotlin-assignment-compiler-plugin.embeddable').projectDir = "$rootDir/plugins/assign-plugin/assign-plugin.embeddable" as File
 
 project(':tools:kotlinp').projectDir = "$rootDir/libraries/tools/kotlinp" as File
+project(":kotlin-build-tools-enum-compat").projectDir = "$rootDir/libraries/tools/kotlin-build-tools-enum-compat" as File
 project(':kotlin-project-model').projectDir = "$rootDir/libraries/tools/kotlin-project-model" as File
 project(':kotlin-project-model-tests-generator').projectDir = "$rootDir/libraries/tools/kotlin-project-model-tests-generator" as File
 project(':kotlin-gradle-compiler-types').projectDir = "$rootDir/libraries/tools/kotlin-gradle-compiler-types" as File