Index: polly/trunk/test/lit.cfg
===================================================================
--- polly/trunk/test/lit.cfg
+++ polly/trunk/test/lit.cfg
@@ -3,6 +3,7 @@
 import os
 import platform
 import re
+import subprocess
 
 import lit.formats
 import lit.util
@@ -80,8 +81,9 @@
         lit_config.fatal('No site specific configuration available!')
 
     # Get the source and object roots.
-    llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
-    llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
+    llvm_src_root = subprocess.check_output(['llvm-config', '--src-root']).decode("utf-8").strip()
+    llvm_obj_root = subprocess.check_output(['llvm-config', '--obj-root']).decode("utf-8").strip()
+
     polly_src_root = os.path.join(llvm_src_root, "tools", "polly")
     polly_obj_root = os.path.join(llvm_obj_root, "tools", "polly")