lucene/gradle/testing/alternative-jdk-support.gradle

78 lines
2.8 KiB
Groovy

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// This adds support for compiling and testing against a different Java runtime.
// This is the only way to build against JVMs not yet supported by Gradle itself.
JavaInstallationRegistry registry = extensions.getByType(JavaInstallationRegistry)
JavaInstallation currentJvm = registry.installationForCurrentVirtualMachine.get()
JavaInstallation altJvm = {
def runtimeJavaHome = propertyOrDefault("runtime.java.home", System.getenv('RUNTIME_JAVA_HOME'))
if (!runtimeJavaHome) {
return currentJvm
} else {
return registry.installationForDirectory(
layout.projectDirectory.dir(runtimeJavaHome)).get()
}
}()
// Set up root project's property.
rootProject.ext.runtimeJava = altJvm
rootProject.ext.runtimeJavaVersion = altJvm.javaVersion
if (!currentJvm.javaExecutable.equals(altJvm.javaExecutable)) {
// Set up java toolchain tasks to use the alternative Java.
// This is a related Gradle issue for the future:
// https://github.com/gradle/gradle/issues/1652
configure(rootProject) {
task altJvmWarning() {
doFirst {
logger.warn("""NOTE: Alternative java toolchain will be used for compilation and tests:
Project will use Java ${altJvm.javaVersion} from: ${altJvm.installationDirectory}
Gradle runs with Java ${currentJvm.javaVersion} from: ${currentJvm.installationDirectory}
""")
}
}
}
// Set up toolchain-dependent tasks to use the alternative JVM.
allprojects {
// Any tests
tasks.withType(Test) {
dependsOn ":altJvmWarning"
executable = altJvm.javaExecutable
}
// Any javac compilation tasks
tasks.withType(JavaCompile) {
dependsOn ":altJvmWarning"
options.fork = true
options.forkOptions.javaHome = altJvm.installationDirectory.asFile
}
// Javadoc compilation.
def javadocExecutable = altJvm.jdk.get().javadocExecutable.asFile
tasks.matching { it.name == "renderJavadoc" || it.name == "renderSiteJavadoc" }.all {
dependsOn ":altJvmWarning"
executable = javadocExecutable
}
}
}