Fixed compilation versions for plugin and JVM target

build.gradle.kts

@@ -18,6 +18,10 @@ repositories {
 
 val kotlinVersion = "1.3.60"
 
+java {
+    targetCompatibility = JavaVersion.VERSION_11
+}
+
 // Add plugins used in buildSrc as dependencies, also we should specify version only here
 dependencies {
     implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion")
@@ -73,7 +77,6 @@ publishing {
     // Process each publication we have in this project
     publications.filterIsInstance<MavenPublication>().forEach { publication ->
 
-        @Suppress("UnstableApiUsage")
         publication.pom {
             name.set(project.name)
             description.set(project.description)

src/main/kotlin/scientifik/ScientifikJVMPlugin.kt

@@ -1,8 +1,11 @@
 package scientifik
 
+import Scientifik
+import org.gradle.api.JavaVersion
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.api.plugins.JavaBasePlugin
+import org.gradle.api.plugins.JavaPluginExtension
 import org.gradle.api.publish.PublishingExtension
 import org.gradle.api.publish.maven.MavenPublication
 import org.gradle.api.tasks.bundling.Jar
@@ -20,9 +23,13 @@ open class ScientifikJVMPlugin : Plugin<Project> {
 
             repositories.applyRepos()
 
+            extensions.findByType<JavaPluginExtension>()?.apply {
+                targetCompatibility = JavaVersion.VERSION_11
+            }
+
             tasks.withType<KotlinCompile> {
                 kotlinOptions {
-                    jvmTarget = "11"
+                    jvmTarget = Scientifik.JVM_VERSION
                 }
             }
 

src/main/kotlin/scientifik/ScientifikMPPlugin.kt

@@ -1,5 +1,6 @@
 package scientifik
 
+import Scientifik
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.api.plugins.JavaBasePlugin
@@ -27,7 +28,7 @@ open class ScientifikMPPlugin : Plugin<Project> {
                 jvm {
                     compilations.all {
                         kotlinOptions {
-                            jvmTarget = "11"
+                            jvmTarget = Scientifik.JVM_VERSION
                         }
                     }
                 }