Allow for building and testing the 3.2.x line against OpenJDK 8

build.gradle

@@ -12,6 +12,11 @@ configure(allprojects) { project ->
 	group = "org.springframework"
 	version = qualifyVersionIfNecessary(version)
 
+	// The following is a work-around until the Gradle build uses
+	// Ant 1.9.x by default. This is necessary to avoid the
+	// "Class not found: javac1.8" issue with Ant versions prior to 1.9.x
+	ant.properties["build.compiler"] = "javac1.7"
+
 	ext.aspectjVersion  = "1.7.2"
 	ext.hsqldbVersion   = "1.8.0.10"
 	ext.junitVersion    = "4.11"
@@ -118,6 +123,7 @@ configure(subprojects - project(":spring-build-src")) { subproject ->
 		options.author = true
 		options.header = project.name
 		options.links(project.ext.javadocLinks)
+		options.addStringOption('Xdoclint:none', '-quiet')
 
 		// suppress warnings due to cross-module @see and @link references;
 		// note that global 'api' task does display all warnings.
@@ -811,6 +817,7 @@ configure(rootProject) {
 		options.stylesheetFile = file("src/api/stylesheet.css")
 		options.splitIndex = true
 		options.links(project.ext.javadocLinks)
+		options.addStringOption('Xdoclint:none', '-quiet')
 
 		source subprojects.collect { project ->
 			project.sourceSets.main.allJava