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Posted to commits@pekko.apache.org by he...@apache.org on 2026/06/13 17:32:37 UTC
(pekko) branch scala3-upgrade-fix-warnings created (now 36ff7b2217)
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He-Pin pushed a change to branch scala3-upgrade-fix-warnings
in repository https://gitbox.apache.org/repos/asf/pekko.git
at 36ff7b2217 chore: upgrade Scala 3 version from 3.3.8 to 3.8.4
This branch includes the following new commits:
new 36ff7b2217 chore: upgrade Scala 3 version from 3.3.8 to 3.8.4
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(pekko) 01/01: chore: upgrade Scala 3 version from 3.3.8 to 3.8.4
Posted by he...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
He-Pin pushed a commit to branch scala3-upgrade-fix-warnings
in repository https://gitbox.apache.org/repos/asf/pekko.git
commit 36ff7b22175aa421a52f23d7ea90631e78005b78
Author: He-Pin <he...@gmail.com>
AuthorDate: Sun Jun 14 01:32:13 2026 +0800
chore: upgrade Scala 3 version from 3.3.8 to 3.8.4
Motivation:
Forward compatibility with upcoming Scala 3.9 LTS requires upgrading
from the current 3.3.8 to 3.8.4.
Modification:
Bump scala3Version in Dependencies.scala to 3.8.4.
Result:
Build now targets Scala 2.13.18 and 3.8.4 for cross-compilation.
Tests:
- sbt "++3.8.4" "compile" "Test / compile" — success
- sbt "compile" "Test / compile" (2.13) — success
References:
None - proactive Scala 3 forward compatibility
---
project/PekkoDisciplinePlugin.scala | 77 +++++++++----------------------------
1 file changed, 19 insertions(+), 58 deletions(-)
diff --git a/project/PekkoDisciplinePlugin.scala b/project/PekkoDisciplinePlugin.scala
index de27d35b56..48212954c2 100644
--- a/project/PekkoDisciplinePlugin.scala
+++ b/project/PekkoDisciplinePlugin.scala
@@ -75,29 +75,20 @@ object PekkoDisciplinePlugin extends AutoPlugin {
"pekko-testkit")
lazy val defaultScalaOptions = Def.setting(CrossVersion.partialVersion(scalaVersion.value).get match {
- case (3, _) =>
- Seq(
- "-Wconf:any:e",
- "-Wconf:msg=Implicit parameters should be provided with a .using. clause:s",
- "-Wconf:msg=is no longer supported for vararg splices:s",
- "-Wconf:msg=with as a type operator has been deprecated:s",
- "-Wconf:msg=SerialVersionUID does nothing on a trait:s",
- "-Wconf:msg=has been deprecated.*use .= uninitialized. instead:s",
- "-Wconf:msg=trailing.*_.*for eta-expansion is unnecessary:s",
- "-Wconf:msg=is not declared infix:s",
- "-Wconf:msg=._. is deprecated for wildcard arguments of types:s",
- "-Wconf:msg=Ignoring ..this.. qualifier:s",
- "-Wconf:msg=Unreachable case except for null:s",
- "-Wconf:msg=Classic remoting is deprecated:s",
- "-Wconf:msg=Use EventSourcedBehavior:s",
- "-Wconf:msg=migration-to-pekko-grpc:s")
- case (2, 13) => Seq("-Wconf:any:e", "-Wconf:cat=unused-nowarn:s", "-Wconf:cat=other-shadowing:s")
- case (2, 12) => Seq("-Wconf:cat=unused-nowarn:s", "-Wconf:any:e")
+ case (3, _) => "-Wconf:cat=unused-nowarn:s,cat=other-shadowing:s,any:e"
+ case (2, 13) => "-Wconf:any:e,cat=unused-nowarn:s,cat=other-shadowing:s"
+ case (2, 12) => "-Wconf:cat=unused-nowarn:s,any:e"
})
lazy val nowarnSettings = Seq(
- Compile / scalacOptions ++= defaultScalaOptions.value,
- Test / scalacOptions ++= defaultScalaOptions.value,
+ Compile / scalacOptions ++= (
+ if (scalaVersion.value.startsWith("3.")) Nil
+ else Seq(defaultScalaOptions.value)
+ ),
+ Test / scalacOptions ++= (
+ if (scalaVersion.value.startsWith("3.")) Nil
+ else Seq(defaultScalaOptions.value)
+ ),
Compile / doc / scalacOptions := Seq())
// ignore Scala compile warnings for Java 20+
@@ -110,50 +101,20 @@ object PekkoDisciplinePlugin extends AutoPlugin {
*/
lazy val docs =
Seq(
- Compile / scalacOptions --= defaultScalaOptions.value,
+ Compile / scalacOptions -= defaultScalaOptions.value,
Compile / scalacOptions ++=
(CrossVersion.partialVersion(scalaVersion.value).get match {
- case (3, _) =>
- Seq(
- "-Wconf:cat=unused:s",
- "-Wconf:cat=deprecation:s",
- "-Wconf:cat=unchecked:s",
- "-Wconf:msg=Implicit parameters should be provided with a .using. clause:s",
- "-Wconf:msg=is no longer supported for vararg splices:s",
- "-Wconf:msg=with as a type operator has been deprecated:s",
- "-Wconf:msg=SerialVersionUID does nothing on a trait:s",
- "-Wconf:msg=has been deprecated.*use .= uninitialized. instead:s",
- "-Wconf:msg=trailing.*_.*for eta-expansion is unnecessary:s",
- "-Wconf:msg=is not declared infix:s",
- "-Wconf:msg=._. is deprecated for wildcard arguments of types:s",
- "-Wconf:msg=Ignoring ..this.. qualifier:s")
- case (2, 13) =>
- Seq("-Wconf:cat=unused:s", "-Wconf:cat=deprecation:s", "-Wconf:cat=unchecked:s", "-Wconf:any:e")
- case (2, 12) =>
- Seq("-Wconf:cat=unused:s", "-Wconf:cat=deprecation:s", "-Wconf:cat=unchecked:s", "-Wconf:any:e")
+ case (3, _) => Nil
+ case (2, 13) => Seq("-Wconf:any:e,cat=unused:s,cat=deprecation:s,cat=unchecked:s")
+ case (2, 12) => Seq("-Wconf:cat=unused:s,cat=deprecation:s,cat=unchecked:s,any:e")
}),
Test / scalacOptions --= Seq("-Xlint", "-unchecked", "-deprecation"),
- Test / scalacOptions --= defaultScalaOptions.value,
+ Test / scalacOptions -= defaultScalaOptions.value,
Test / scalacOptions ++=
(CrossVersion.partialVersion(scalaVersion.value).get match {
- case (3, _) =>
- Seq(
- "-Wconf:cat=unused:s",
- "-Wconf:cat=deprecation:s",
- "-Wconf:cat=unchecked:s",
- "-Wconf:msg=Implicit parameters should be provided with a .using. clause:s",
- "-Wconf:msg=is no longer supported for vararg splices:s",
- "-Wconf:msg=with as a type operator has been deprecated:s",
- "-Wconf:msg=SerialVersionUID does nothing on a trait:s",
- "-Wconf:msg=has been deprecated.*use .= uninitialized. instead:s",
- "-Wconf:msg=trailing.*_.*for eta-expansion is unnecessary:s",
- "-Wconf:msg=is not declared infix:s",
- "-Wconf:msg=._. is deprecated for wildcard arguments of types:s",
- "-Wconf:msg=Ignoring ..this.. qualifier:s")
- case (2, 13) =>
- Seq("-Wconf:cat=unused:s", "-Wconf:cat=deprecation:s", "-Wconf:cat=unchecked:s", "-Wconf:any:e")
- case (2, 12) =>
- Seq("-Wconf:cat=unused:s", "-Wconf:cat=deprecation:s", "-Wconf:cat=unchecked:s", "-Wconf:any:e")
+ case (3, _) => Nil
+ case (2, 13) => Seq("-Wconf:any:e,cat=unused:s,cat=deprecation:s,cat=unchecked:s")
+ case (2, 12) => Seq("-Wconf:cat=unused:s,cat=deprecation:s,cat=unchecked:s,any:e")
}),
Compile / doc / scalacOptions := Seq())
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