--- a/mx/mx_graal.py	Mon Jul 07 12:16:36 2014 +0200
+++ b/mx/mx_graal.py	Mon Jul 07 14:51:53 2014 +0200
@@ -1899,7 +1899,7 @@
 def sl(args):
     """run an SL program"""
     vmArgs, slArgs = _extract_VM_args(args)
-    vm(vmArgs + ['-cp', mx.classpath("com.oracle.truffle.sl"), "com.oracle.truffle.sl.SLMain"] + slArgs)
+    vm(vmArgs + ['-cp', mx.classpath(["TRUFFLE", "com.oracle.truffle.sl"]), "com.oracle.truffle.sl.SLMain"] + slArgs)
 
 def isGraalEnabled(vm):
     return vm != 'original' and not vm.endswith('nograal')
@@ -2075,7 +2075,7 @@
     cmd = ['-jar', findbugsJar, '-textui', '-low', '-maxRank', '15']
     if sys.stdout.isatty():
         cmd.append('-progress')
-    cmd = cmd + ['-auxclasspath', mx.classpath([p.name for p in nonTestProjects]), '-output', findbugsResults, '-exitcode'] + args + outputDirs
+    cmd = cmd + ['-auxclasspath', mx.classpath(['GRAAL'] + [p.name for p in nonTestProjects]), '-output', findbugsResults, '-exitcode'] + args + outputDirs
     exitcode = mx.run_java(cmd, nonZeroIsFatal=False)
     if exitcode != 0:
         with open(findbugsResults) as fp:

--- a/mxtool/mx.py	Mon Jul 07 12:16:36 2014 +0200
+++ b/mxtool/mx.py	Mon Jul 07 14:51:53 2014 +0200
@@ -1203,18 +1203,45 @@
 
 def classpath(names=None, resolve=True, includeSelf=True, includeBootClasspath=False):
     """
-    Get the class path for a list of given dependencies, resolving each entry in the
+    Get the class path for a list of given dependencies and distributions, resolving each entry in the
     path (e.g. downloading a missing library) if 'resolve' is true.
     """
     if names is None:
-        result = _as_classpath(sorted_deps(includeLibs=True), resolve)
+        deps = sorted_deps(includeLibs=True)
+        dists = list(_dists.values())
     else:
         deps = []
+        dists = []
         if isinstance(names, types.StringTypes):
             names = [names]
         for n in names:
-            dependency(n).all_deps(deps, True, includeSelf)
-        result = _as_classpath(deps, resolve)
+            dep = dependency(n, fatalIfMissing=False)
+            if dep:
+                dep.all_deps(deps, True, includeSelf)
+            else:
+                dist = distribution(n)
+                if not dist:
+                    abort('project, library or distribution named ' + n + ' not found')
+                dists.append(dist)
+
+    if len(dists):
+        distsDeps = set()
+        for d in dists:
+            distsDeps.update(d.sorted_deps())
+
+        # remove deps covered by a dist that will be on the class path
+        deps = [d for d in deps if d not in distsDeps]
+
+    result = _as_classpath(deps, resolve)
+
+    # prepend distributions
+    if len(dists):
+        distsCp = os.pathsep.join(dist.path for dist in dists)
+        if len(result):
+            result = distsCp + os.pathsep + result
+        else:
+            result = distsCp
+
     if includeBootClasspath:
         result = os.pathsep.join([java().bootclasspath(), result])
     return result