java-tutorials/gradle-modules/gradle/greeting-library/build.gradle

apply plugin : 'groovy'

dependencies {
    implementation 'org.codehaus.groovy:groovy:2.4.12'

    testImplementation 'org.spockframework:spock-core:1.0-groovy-2.4', {
        exclude module : 'groovy-all'
    }
}

java {
    sourceCompatibility = JavaVersion.VERSION_1_8
    targetCompatibility = JavaVersion.VERSION_1_8
}