Make the standard Eclipse settings an autoplugin

build.sbt

@@ -4,7 +4,6 @@ import Resolvers._
 
 lazy val root = (project in file ("."))
   .enablePlugins(BasicSettings)
-  .settings(Eclipse.settings: _*)
   .settings(Publish.settings: _*)
   .settings(Release.settings: _*)
   .settings(resolvers += sonatypeRelease)

project/Eclipse.scala → project/EclipseDefaults.scala

@@ -1,10 +1,13 @@
 import sbt._
 
+import com.typesafe.sbteclipse.plugin.EclipsePlugin
 import com.typesafe.sbteclipse.plugin.EclipsePlugin._
 
-object Eclipse {
+object EclipseDefaults extends AutoPlugin {
+  override def requires = EclipsePlugin
+  override def trigger = allRequirements
 
-  val settings = Seq (
+  override lazy val buildSettings = Seq(
     EclipseKeys.createSrc            := EclipseCreateSrc.Default + EclipseCreateSrc.Resource,
     EclipseKeys.projectFlavor        := EclipseProjectFlavor.Scala,
     EclipseKeys.executionEnvironment := Some(EclipseExecutionEnvironment.JavaSE18),