--- a/mxtool/mx.py	Mon May 05 00:16:46 2014 +0200
+++ b/mxtool/mx.py	Mon May 05 13:17:32 2014 +0200
@@ -1811,7 +1811,7 @@
     return get_env('JDT', join(_primary_suite.mxDir, 'ecj.jar'))
 
 class JavaCompileTask:
-    def __init__(self, args, proj, reason, javafilelist, jdk, outputDir, deps):
+    def __init__(self, args, proj, reason, javafilelist, jdk, outputDir, jdtJar, deps):
         self.proj = proj
         self.reason = reason
         self.javafilelist = javafilelist
@@ -1819,6 +1819,7 @@
         self.jdk = jdk
         self.outputDir = outputDir
         self.done = False
+        self.jdtJar = jdtJar
         self.args = args
 
     def __str__(self):
@@ -1853,20 +1854,8 @@
         cp = classpath(self.proj.name, includeSelf=True)
         toBeDeleted = [argfileName]
 
-        jdtJar = None
-        if not args.javac and args.jdt is not None:
-            if not args.jdt.endswith('.jar'):
-                abort('Path for Eclipse batch compiler does not look like a jar file: ' + args.jdt)
-            jdtJar = args.jdt
-            if not exists(jdtJar):
-                if os.path.abspath(jdtJar) == os.path.abspath(_defaultEcjPath()) and get_env('JDT', None) is None:
-                    # Silently ignore JDT if default location is used but does not exist
-                    jdtJar = None
-                else:
-                    abort('Eclipse batch compiler jar does not exist: ' + args.jdt)
-
         try:
-            if not jdtJar:
+            if not self.jdtJar:
                 mainJava = java()
                 if not args.error_prone:
                     self.logCompilation('javac')
@@ -1891,7 +1880,7 @@
             else:
                 self.logCompilation('JDT')
 
-                jdtVmArgs = ['-Xmx1g', '-jar', jdtJar]
+                jdtVmArgs = ['-Xmx1g', '-jar', self.jdtJar]
 
                 jdtArgs = ['-' + compliance,
                          '-cp', cp, '-g', '-enableJavadoc',
@@ -1959,12 +1948,23 @@
     compilerSelect.add_argument('--jdt', help='path to ecj.jar, the Eclipse batch compiler', default=_defaultEcjPath(), metavar='<path>')
     compilerSelect.add_argument('--force-javac', action='store_true', dest='javac', help='use javac despite ecj.jar is found or not')
 
-
     if suppliedParser:
         parser.add_argument('remainder', nargs=REMAINDER, metavar='...')
 
     args = parser.parse_args(args)
 
+    jdtJar = None
+    if not args.javac and args.jdt is not None:
+        if not args.jdt.endswith('.jar'):
+            abort('Path for Eclipse batch compiler does not look like a jar file: ' + args.jdt)
+        jdtJar = args.jdt
+        if not exists(jdtJar):
+            if os.path.abspath(jdtJar) == os.path.abspath(_defaultEcjPath()) and get_env('JDT', None) is None:
+                # Silently ignore JDT if default location is used but does not exist
+                jdtJar = None
+            else:
+                abort('Eclipse batch compiler jar does not exist: ' + args.jdt)
+
     if args.only is not None:
         # N.B. This build will not include dependencies including annotation processor dependencies
         sortedProjects = [project(name) for name in args.only.split(',')]
@@ -2100,7 +2100,7 @@
             logv('[no Java sources for {0} - skipping]'.format(p.name))
             continue
 
-        task = JavaCompileTask(args, p, buildReason, javafilelist, jdk, outputDir, taskDeps)
+        task = JavaCompileTask(args, p, buildReason, javafilelist, jdk, outputDir, jdtJar, taskDeps)
 
         if args.parallelize:
             # Best to initialize class paths on main process