build: Make use of Gradle's Java Toolchains feature

This change updates the build configuration for Gradle to make use of
its Java Toolchains feature which enables running/testing multiple Java
versions at the same time. This feature can also provision a Java
installation if it is not available on the user's system.

1 files changed, 8 insertions, 1 deletions

diff --git a/buildSrc/src/main/kotlin/kotlin-conventions.gradle.kts b/buildSrc/src/main/kotlin/kotlin-conventions.gradle.kts
index 5ccc06a4..79afdf7c 100644
--- a/buildSrc/src/main/kotlin/kotlin-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/kotlin-conventions.gradle.kts
@@ -29,8 +29,15 @@ plugins {
 }
 
 /* Project configuration */
+
+kotlin {
+    jvmToolchain {
+        val javaVersion = project.defaultVersionCatalog.getVersion("java")
+        languageVersion.set(JavaLanguageVersion.of(javaVersion))
+    }
+}
+
 tasks.withType<KotlinCompile>().configureEach {
-    kotlinOptions.jvmTarget = Libs.jvmTarget.toString()
     kotlinOptions.freeCompilerArgs += "-opt-in=kotlin.RequiresOptIn"
     kotlinOptions.freeCompilerArgs += "-Xjvm-default=all"
 }