From a692cd29d30c49cdc1b37e2b83fba7c1772553f8 Mon Sep 17 00:00:00 2001
From: ragnar <git@rmgk.de>
Date: Mon, 11 Mar 2024 00:36:11 +0100
Subject: [PATCH] be precise in required java versions

---
 build.sbt              | 2 ++
 project/Settings.scala | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/build.sbt b/build.sbt
index 51954a6b4..bbdb21912 100644
--- a/build.sbt
+++ b/build.sbt
@@ -41,6 +41,7 @@ lazy val reactivesAggregate =
 lazy val reactives = crossProject(JVMPlatform, JSPlatform, NativePlatform).in(file("Modules/Reactives"))
   .settings(
     scala3defaults,
+    java(9),
     // scaladoc
     autoAPIMappings := true,
     Compile / doc / scalacOptions += "-groups",
@@ -80,6 +81,7 @@ lazy val rdts = crossProject(JVMPlatform, JSPlatform, NativePlatform).crossType(
   .in(file("Modules/RDTs"))
   .settings(
     scala3defaults,
+    java(8),
     LocalSetting.publishSonatype,
     Dependencies.munit,
     Dependencies.munitCheck,
diff --git a/project/Settings.scala b/project/Settings.scala
index 80d01a966..96756331a 100644
--- a/project/Settings.scala
+++ b/project/Settings.scala
@@ -31,11 +31,11 @@ object Settings {
       "-deprecation",
       "-source",
       "3.4",
-      "-java-output-version",
-      "11"
     )
   )
 
+  def java(n: Int) = scalacOptions ++= List("-java-output-version", n.toString)
+
   def unusedWarnings(conf: TaskKey[?]*) = conf.map { c =>
     c / scalacOptions ++= List(
       "-Wunused:imports",