feature: add targetJavaVersion and jdkBuildVersion properties

build-logic/basics/build.gradle.kts

@@ -1,3 +1,7 @@
 plugins {
     `kotlin-dsl`
 }
+
+tasks.withType<JavaCompile>().configureEach {
+    options.release.set((project.property("targetJavaVersion") as String).toInt())
+}

build-logic/code-quality/build.gradle.kts

@@ -13,8 +13,18 @@ dependencies {
     implementation("com.github.autostyle:autostyle-plugin-gradle:4.0")
 }
 
+kotlin {
+    jvmToolchain {
+        languageVersion.set(JavaLanguageVersion.of(project.property("jdkBuildVersion") as String))
+    }
+}
+
+tasks.withType<JavaCompile>().configureEach {
+    options.release.set((project.property("targetJavaVersion") as String).toInt())
+}
+
 tasks.withType<KotlinCompile>().configureEach {
     kotlinOptions {
-        jvmTarget = JavaVersion.current().majorVersion
+        jvmTarget = project.property("targetJavaVersion") as String
     }
 }

build-logic/jvm/build.gradle.kts

@@ -15,8 +15,18 @@ dependencies {
     implementation("org.jetbrains.kotlin.jvm:org.jetbrains.kotlin.jvm.gradle.plugin:1.6.21")
 }
 
+kotlin {
+    jvmToolchain {
+        languageVersion.set(JavaLanguageVersion.of(project.property("jdkBuildVersion") as String))
+    }
+}
+
+tasks.withType<JavaCompile>().configureEach {
+    options.release.set((project.property("targetJavaVersion") as String).toInt())
+}
+
 tasks.withType<KotlinCompile>().configureEach {
     kotlinOptions {
-        jvmTarget = JavaVersion.current().majorVersion
+        jvmTarget = project.property("targetJavaVersion") as String
     }
 }

build-logic/jvm/src/main/kotlin/testng.java.gradle.kts

@@ -10,11 +10,12 @@ plugins {
 
 java {
     toolchain {
-        languageVersion.set(JavaLanguageVersion.of(JavaVersion.current().majorVersion))
+        languageVersion.set(JavaLanguageVersion.of(project.property("jdkBuildVersion") as String))
     }
 }
 
 tasks.withType<JavaCompile>().configureEach {
+    options.release.set((project.property("targetJavaVersion") as String).toInt())
     inputs.property("java.version", System.getProperty("java.version"))
     inputs.property("java.vendor", System.getProperty("java.vendor"))
     inputs.property("java.vm.version", System.getProperty("java.vm.version"))

build-logic/jvm/src/main/kotlin/testng.kotlin-library.gradle.kts

@@ -10,8 +10,12 @@ dependencies {
     testImplementation("org.jetbrains.kotlin:kotlin-stdlib")
 }
 
+tasks.withType<JavaCompile>().configureEach {
+    options.release.set((project.property("targetJavaVersion") as String).toInt())
+}
+
 tasks.withType<KotlinCompile>().configureEach {
     kotlinOptions {
-        jvmTarget = JavaVersion.current().majorVersion
+        jvmTarget = project.property("targetJavaVersion") as String
     }
 }

build-logic/publishing/build.gradle.kts

@@ -15,8 +15,18 @@ dependencies {
     implementation("org.jetbrains.kotlin:kotlin-gradle-plugin")
 }
 
+kotlin {
+    jvmToolchain {
+        languageVersion.set(JavaLanguageVersion.of(project.property("jdkBuildVersion") as String))
+    }
+}
+
+tasks.withType<JavaCompile>().configureEach {
+    options.release.set((project.property("targetJavaVersion") as String).toInt())
+}
+
 tasks.withType<KotlinCompile>().configureEach {
     kotlinOptions {
-        jvmTarget = JavaVersion.current().majorVersion
+        jvmTarget = project.property("targetJavaVersion") as String
     }
 }

gradle.properties

@@ -5,6 +5,8 @@ kotlin.code.style=official
 kotlin.stdlib.default.dependency=false
 
 testng.version=7.10.0
+systemProp.org.gradle.project.targetJavaVersion=11
+systemProp.org.gradle.project.jdkBuildVersion=17
 
 group=org.testng
 

settings.gradle.kts

@@ -7,7 +7,7 @@ rootProject.name = "testng-root"
 plugins {
     `gradle-enterprise`
     id("de.fayard.refreshVersions") version "0.60.3"
-    id("org.gradle.toolchains.foojay-resolver-convention") version "0.5.0"
+    id("org.gradle.toolchains.foojay-resolver-convention") version "0.7.0"
 }
 
 gradleEnterprise {