Specify the encoding, in case it's not the same as the locale.

diff -x config.log -x config.status -ru tmp/intel-gpu-tools-1.7/debugger/system_routine/pre_cpp.py work/intel-gpu-tools-1.7/debugger/system_routine/pre_cpp.py
--- tmp/intel-gpu-tools-1.7/debugger/system_routine/pre_cpp.py	2014-05-13 13:31:22.000000000 +0100
+++ work/intel-gpu-tools-1.7/debugger/system_routine/pre_cpp.py	2014-06-30 23:16:12.743000000 +0100
@@ -33,7 +33,7 @@
 
 import sys,re
 
-file = open(sys.argv[1], "r")
+file = open(sys.argv[1], "r", encoding="UTF-8")
 
 lines = file.readlines()
 len(lines)