# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1433075413 -7200
# Node ID 838f005f9aec49d68380a0fa086a3eff2d3b177c
# Parent  2f92172fa320466e42af0224eec038a726179311
handle service filtering that returns an empty result

diff -r 2f92172fa320 -r 838f005f9aec mx/mx_graal.py
--- a/mx/mx_graal.py	Sun May 31 13:42:47 2015 +0200
+++ b/mx/mx_graal.py	Sun May 31 14:30:13 2015 +0200
@@ -555,7 +555,10 @@
     """
     _, binDir = mx._compile_mx_class('FilterTypes', os.pathsep.join(classpath), myDir=dirname(__file__))
     cmd = [mx.java().java, '-cp', mx._cygpathU2W(os.pathsep.join([binDir] + classpath)), 'FilterTypes', 'com.oracle.jvmci.service.Service'] + serviceImplNames
-    return subprocess.check_output(cmd, stderr=subprocess.PIPE).split('|')
+    services = subprocess.check_output(cmd, stderr=subprocess.PIPE)
+    if len(services) == 0:
+        return []
+    return services.split('|')
 
 def _extractJVMCIFiles(jdkJars, jvmciJars, servicesDir, optionsDir, cleanDestination=True):
     if cleanDestination: