From 7843de171839d10976a4c770f13671baad1eb7e9 Mon Sep 17 00:00:00 2001
From: xuwei-k <6b656e6a69@gmail.com>
Date: Wed, 7 Jan 2026 15:20:55 +0900
Subject: [PATCH] Update scalacOptions for Scala 3.8

---
 .../typelevel/sbt/TypelevelSettingsPlugin.scala | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/settings/src/main/scala/org/typelevel/sbt/TypelevelSettingsPlugin.scala b/settings/src/main/scala/org/typelevel/sbt/TypelevelSettingsPlugin.scala
index 9843c00d..5969dd65 100644
--- a/settings/src/main/scala/org/typelevel/sbt/TypelevelSettingsPlugin.scala
+++ b/settings/src/main/scala/org/typelevel/sbt/TypelevelSettingsPlugin.scala
@@ -279,6 +279,8 @@ object TypelevelSettingsPlugin extends AutoPlugin {
           )
         }
 
+      val log = streams.value.log
+
       scalaVersion.value match {
         case V(V(2, 11, _, _)) =>
           oldTargetOption
@@ -296,7 +298,20 @@ object TypelevelSettingsPlugin extends AutoPlugin {
           releaseOption
 
         case V(V(3, minor, _, _)) if minor >= 2 =>
-          javaOutputVersionOption
+          if (minor <= 7) {
+            javaOutputVersionOption
+          } else {
+            // https://www.scala-lang.org/news/next-scala-lts-jdk.html
+            tlJdkRelease.value match {
+              case Some(n) if n >= 17 =>
+                javaOutputVersionOption
+              case Some(n) =>
+                log.warn(s"tlJdkRelease is ${n} but scala ${scalaVersion.value} require JDK 17")
+                Seq.empty
+              case None =>
+                Seq.empty
+            }
+          }
 
         case _ =>
           Seq.empty