print whether Kaffe/gcj have been detected in -diagnostics

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@1033569 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/Diagnostics.java

@@ -399,6 +399,10 @@ public final class Diagnostics {
         out.println(MagicNames.ANT_VERSION + ": " + p.getProperty(MagicNames.ANT_VERSION));
         out.println(MagicNames.ANT_JAVA_VERSION + ": "
                 + p.getProperty(MagicNames.ANT_JAVA_VERSION));
+        out.println("Is this the Kaffe VM? "
+                    + (JavaEnvUtils.isKaffe() ? "yes" : "no"));
+        out.println("Is this gij/gcj? "
+                    + (JavaEnvUtils.isGij() ? "yes" : "no"));
         out.println(MagicNames.ANT_LIB + ": " + p.getProperty(MagicNames.ANT_LIB));
         out.println(MagicNames.ANT_HOME + ": " + p.getProperty(MagicNames.ANT_HOME));
     }

src/main/org/apache/tools/ant/util/JavaEnvUtils.java

@@ -210,6 +210,7 @@ public final class JavaEnvUtils {
     /**
      * Checks whether the current Java VM is the GNU interpreter gij
      * or we are running in a gcj precompiled binary.
+     * @since Ant 1.8.2
      * @return true if the current Java VM is gcj/gij.
      */
     public static boolean isGij() {