| /* |
| * 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 |
| |
| 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 |
| } |
| } |
| } |