I've forgotten that one can set <javac>'s fork option via

build.compiler as well.


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@272526 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java

@@ -472,6 +472,8 @@ public abstract class DefaultCompilerAdapter implements CompilerAdapter {
     protected boolean assumeJava11() {
         return "javac1.1".equals(attributes.getCompilerVersion()) ||
             ("classic".equals(attributes.getCompilerVersion()) 
+             && JavaEnvUtils.isJavaVersion(JavaEnvUtils.JAVA_1_1)) ||
+            ("extJavac".equals(attributes.getCompilerVersion()) 
              && JavaEnvUtils.isJavaVersion(JavaEnvUtils.JAVA_1_1));
     }
 
@@ -482,6 +484,8 @@ public abstract class DefaultCompilerAdapter implements CompilerAdapter {
     protected boolean assumeJava12() {
         return "javac1.2".equals(attributes.getCompilerVersion()) ||
             ("classic".equals(attributes.getCompilerVersion()) 
+             && JavaEnvUtils.isJavaVersion(JavaEnvUtils.JAVA_1_2)) ||
+            ("extJavac".equals(attributes.getCompilerVersion()) 
              && JavaEnvUtils.isJavaVersion(JavaEnvUtils.JAVA_1_2));
     }