Use JDK toolchains to explicitly use JDK 17

Explicitly mark that we want version 17 of the JDK as the compiler. Previously we implicitly relied on Gradle getting this right. This means devs and CI will all use the same JDK explicitly rather than implicitly. Pin the target JDK version in build.gradle.kts, this should apply to all targets (including Kotlin) to version 1.8 to maintain compatibility with older devices
jellyfin · Apr 13, 2023 · 4bb2158 · 4bb2158
1 parent 45e7e64
commit 4bb2158
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diff --git a/build.gradle.kts b/build.gradle.kts
@@ -1,5 +1,6 @@
 plugins {
 	alias(libs.plugins.detekt)
+	java
 }
 
 buildscript {
@@ -9,6 +10,12 @@ buildscript {
 	}
 }
 
+java {
+	toolchain {
+		languageVersion.set(JavaLanguageVersion.of("17"))
+	}
+}
+
 subprojects {
 	// Configure linting
 	apply<io.gitlab.arturbosch.detekt.DetektPlugin>()

diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
@@ -2,6 +2,12 @@ plugins {
 	`kotlin-dsl`
 }
 
+kotlin {
+	jvmToolchain {
+		languageVersion.set(JavaLanguageVersion.of("17"))
+	}
+}
+
 repositories {
 	mavenCentral()
 }