Migrate from kotlinOptions to compilerOptions

benchmark/build.gradle.kts

@@ -1,3 +1,4 @@
+import org.gradle.kotlin.dsl.support.*
 import org.jetbrains.kotlin.gradle.dsl.*
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
@@ -40,15 +41,12 @@ tasks.assemble {
     dependsOn(tasks.jmhClasses)
 }
 
-tasks.withType<KotlinCompile>().configureEach {
+kotlin {
     compilerOptions {
         jvmTarget = JvmTarget.JVM_1_8
-    }
-
-    kotlinOptions {
         if (overriddenLanguageVersion != null) {
-            languageVersion = overriddenLanguageVersion
-            freeCompilerArgs += "-Xsuppress-version-warnings"
+            languageVersion.set(KotlinVersion.fromVersion(overriddenLanguageVersion!!))
+            freeCompilerArgs.add("-Xsuppress-version-warnings")
         }
     }
 }

buildSrc/src/main/kotlin/Java9Modularity.kt

@@ -21,6 +21,7 @@ import org.jetbrains.kotlin.gradle.targets.jvm.*
 import org.jetbrains.kotlin.gradle.tasks.*
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import org.jetbrains.kotlin.gradle.tasks.KotlinJvmCompile
+import org.jetbrains.kotlin.gradle.utils.*
 import org.jetbrains.kotlin.tooling.core.*
 import java.io.*
 import kotlin.reflect.*
@@ -113,6 +114,7 @@ object Java9Modularity {
         sourceFile: File
     ): TaskProvider<out KotlinJvmCompile> {
         apply<KotlinApiPlugin>()
+        @Suppress("DEPRECATION")
         val verifyModuleTaskName = "verify${compileTask.name.removePrefix("compile").capitalize()}Module"
         // work-around for https://youtrack.jetbrains.com/issue/KT-60542
         val kotlinApiPlugin = plugins.getPlugin(KotlinApiPlugin::class)
@@ -139,7 +141,7 @@ object Java9Modularity {
                 freeCompilerArgs.addAll(
                     listOf("-Xjdk-release=9",  "-Xsuppress-version-warnings", "-Xexpect-actual-classes")
                 )
-                optIn.addAll(compileTask.kotlinOptions.options.optIn)
+                optIn.addAll(compileTask.compilerOptions.optIn)
             }
             // work-around for https://youtrack.jetbrains.com/issue/KT-60583
             inputs.files(
@@ -160,7 +162,7 @@ object Java9Modularity {
                     .declaredMemberProperties
                     .find { it.name == "ownModuleName" }
                     ?.get(this) as? Property<String>
-                ownModuleNameProp?.set(compileTask.kotlinOptions.moduleName)
+                ownModuleNameProp?.set(compileTask.compilerOptions.moduleName)
             }
 
             val taskKotlinLanguageVersion = compilerOptions.languageVersion.orElse(KotlinVersion.DEFAULT)

buildSrc/src/main/kotlin/Projects.kt

@@ -12,6 +12,8 @@ fun Project.propertyIsTrue(propertyName: String): Boolean {
     return (findProperty(propertyName) as? String?).equals("true", true)
 }
 
+val Project.jdkToolchainVersion: Int get() = findProperty("jdk_toolchain_version").toString().toInt()
+
 val Project.overriddenLanguageVersion : String?
     get() = findProperty("kotlin_language_version") as String?
 

buildSrc/src/main/kotlin/source-sets-conventions.gradle.kts

@@ -5,10 +5,13 @@
 @file:OptIn(ExperimentalWasmDsl::class)
 
 import org.gradle.kotlin.dsl.*
+import org.jetbrains.kotlin.gradle.*
+import org.jetbrains.kotlin.gradle.dsl.*
 import org.jetbrains.kotlin.gradle.plugin.mpp.*
-import org.jetbrains.kotlin.gradle.targets.js.dsl.*
+import org.jetbrains.kotlin.gradle.targets.js.dsl.ExperimentalWasmDsl
 import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootExtension
 import org.jetbrains.kotlin.gradle.targets.native.tasks.*
+import org.jetbrains.kotlin.gradle.tasks.*
 import org.jetbrains.kotlin.gradle.testing.*
 
 plugins {
@@ -30,13 +33,13 @@ kotlin {
 
     jvm {
         withJava()
-        compilations.configureEach {
-            kotlinOptions {
-                jvmTarget = "1.8"
-                freeCompilerArgs += "-Xjdk-release=1.8"
-            }
+        @OptIn(ExperimentalKotlinGradlePluginApi::class)
+        compilerOptions {
+            jvmTarget.set(JvmTarget.JVM_1_8)
+            freeCompilerArgs.add("-Xjdk-release=1.8")
         }
     }
+    jvmToolchain(jdkToolchainVersion)
 
     js {
         nodejs {
@@ -46,11 +49,11 @@ kotlin {
                 }
             }
         }
-        compilations.matching { it.name == "main" || it.name == "test" }.configureEach {
-            kotlinOptions {
-                sourceMap = true
-                moduleKind = "umd"
-            }
+
+        @OptIn(ExperimentalKotlinGradlePluginApi::class)
+        compilerOptions {
+            sourceMap = true
+            moduleKind.set(JsModuleKind.MODULE_UMD)
         }
     }
 
@@ -154,19 +157,17 @@ kotlin {
             optIn("kotlinx.serialization.ExperimentalSerializationApi")
         }
     }
+}
 
-    targets.all {
-        compilations.all {
-            kotlinOptions {
-                if (overriddenLanguageVersion != null) {
-                    languageVersion = overriddenLanguageVersion
-                    freeCompilerArgs += "-Xsuppress-version-warnings"
-                }
-                freeCompilerArgs += "-Xexpect-actual-classes"
-            }
-        }
-        compilations["main"].kotlinOptions {
+tasks.withType(KotlinCompilationTask::class).configureEach {
+    compilerOptions {
+        if (name == "main") {
             allWarningsAsErrors = true
         }
+        if (overriddenLanguageVersion != null) {
+            languageVersion.set(KotlinVersion.fromVersion(overriddenLanguageVersion!!))
+            freeCompilerArgs.add("-Xsuppress-version-warnings")
+        }
+        freeCompilerArgs.add("-Xexpect-actual-classes")
     }
 }

core/build.gradle.kts

@@ -71,5 +71,5 @@ tasks.withType<Jar>().named(kotlin.jvm().artifactsTaskName) {
 configureJava9ModuleInfo()
 
 tasks.withType<KotlinJsIrLink>().configureEach {
-    kotlinOptions.freeCompilerArgs += "-Xwasm-enable-array-range-checks"
+    compilerOptions.freeCompilerArgs.add("-Xwasm-enable-array-range-checks")
 }

formats/hocon/build.gradle.kts

@@ -12,25 +12,16 @@ plugins {
     alias(libs.plugins.serialization)
 }
 
-tasks.compileKotlin {
+kotlin {
     compilerOptions {
         allWarningsAsErrors = true
-    }
-}
-
-tasks.withType<KotlinCompile>().configureEach {
-    compilerOptions {
         jvmTarget = JvmTarget.JVM_1_8
-    }
-}
-
-tasks.withType<KotlinCompile>().configureEach {
-    kotlinOptions {
         if (overriddenLanguageVersion != null) {
-            languageVersion = overriddenLanguageVersion
-            freeCompilerArgs += "-Xsuppress-version-warnings"
+            languageVersion.set(KotlinVersion.fromVersion(overriddenLanguageVersion!!))
+            freeCompilerArgs.add("-Xsuppress-version-warnings")
         }
     }
+    jvmToolchain(jdkToolchainVersion)
 }
 
 java {

gradle.properties

@@ -4,7 +4,7 @@
 
 group=org.jetbrains.kotlinx
 version=1.7.2-SNAPSHOT
-
+jdk_toolchain_version=11
 # This version takes precedence if 'bootstrap' property passed to project
 kotlin.version.snapshot=2.0.255-SNAPSHOT
 # Also set KONAN_LOCAL_DIST environment variable in bootstrap mode to auto-assign konan.home

guide/build.gradle.kts

@@ -1,3 +1,4 @@
+import org.jetbrains.kotlin.gradle.dsl.KotlinVersion
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 /*
@@ -11,13 +12,11 @@ plugins {
 
 kotlin {
     jvmToolchain(8)
-}
 
-tasks.withType<KotlinCompile>().configureEach {
-    kotlinOptions {
+    compilerOptions {
         if (overriddenLanguageVersion != null) {
-            languageVersion = overriddenLanguageVersion
-            freeCompilerArgs += "-Xsuppress-version-warnings"
+            languageVersion.set(KotlinVersion.fromVersion(overriddenLanguageVersion!!))
+            freeCompilerArgs.add("-Xsuppress-version-warnings")
         }
     }
 }