--- a/mxtool/mx.py	Thu Jun 27 22:18:52 2013 -0700
+++ b/mxtool/mx.py	Fri Jun 28 11:02:37 2013 +0200
@@ -1226,6 +1226,10 @@
     value = os.environ.get(key, default)
     return value
 
+def logv(msg=None):
+    if _opts.verbose:
+        log(msg)
+    
 def log(msg=None):
     """
     Write a message to the console.
@@ -1528,11 +1532,11 @@
                             break
 
         if not mustBuild:
-            log('[all class files for {0} are up to date - skipping]'.format(p.name))
+            logv('[all class files for {0} are up to date - skipping]'.format(p.name))
             continue
 
         if len(javafilelist) == 0:
-            log('[no Java sources for {0} - skipping]'.format(p.name))
+            logv('[no Java sources for {0} - skipping]'.format(p.name))
             continue
 
         built.add(p.name)
@@ -1668,7 +1672,8 @@
         batch = Batch(join(p.dir, '.settings', 'org.eclipse.jdt.core.prefs'))
 
         if not exists(batch.path):
-            log('[no Eclipse Code Formatter preferences at {0} - skipping]'.format(batch.path))
+            if _opts.verbose:
+                log('[no Eclipse Code Formatter preferences at {0} - skipping]'.format(batch.path))
             continue
 
         for sourceDir in sourceDirs:
@@ -1676,7 +1681,7 @@
                 for f in [join(root, name) for name in files if name.endswith('.java')]:
                     batch.javafiles.append(FileInfo(f))
         if len(batch.javafiles) == 0:
-            log('[no Java sources in {0} - skipping]'.format(p.name))
+            logv('[no Java sources in {0} - skipping]'.format(p.name))
             continue
 
         res = batches.setdefault(batch.settings(), batch)
@@ -1880,7 +1885,7 @@
             for root, _, files in os.walk(sourceDir):
                 javafilelist += [join(root, name) for name in files if name.endswith('.java') and name != 'package-info.java']
             if len(javafilelist) == 0:
-                log('[no Java sources in {0} - skipping]'.format(sourceDir))
+                logv('[no Java sources in {0} - skipping]'.format(sourceDir))
                 continue
 
             timestampFile = join(p.suite.dir, 'mx', 'checkstyle-timestamps', sourceDir[len(p.suite.dir) + 1:].replace(os.sep, '_') + '.timestamp')
@@ -1916,7 +1921,7 @@
                 else:
                     config = join(p.dir, configLocation)
             else:
-                log('[unknown Checkstyle configuration type "' + configType + '" in {0} - skipping]'.format(sourceDir))
+                logv('[unknown Checkstyle configuration type "' + configType + '" in {0} - skipping]'.format(sourceDir))
                 continue
 
             exclude = join(p.dir, '.checkstyle.exclude')
@@ -2875,7 +2880,7 @@
                 for d in deps:
                     assess_candidate(d, projects)
             if not assess_candidate(p, projects):
-                log('[package-list file exists - skipping {0}]'.format(p.name))
+                logv('[package-list file exists - skipping {0}]'.format(p.name))
 
 
     def find_packages(sourceDirs, pkgs=set()):