Decoding nvcc outputs in correct encoding.

theano/compat/__init__.py

@@ -44,6 +44,9 @@ if PY3:
     def decode_iter(itr):
         for x in itr:
             yield x.decode()
+
+    def decode_with(x, encoding):
+        return x.decode(encoding)
 else:
     from six import get_unbound_function
     from operator import div as operator_div
@@ -63,6 +66,9 @@ else:
     def decode_iter(x):
         return x
 
+    def decode_with(x, encoding):
+        return x
+        
 __all__ += ['cmp', 'operator_div', 'DictMixin', 'OrderedDict', 'decode',
             'decode_iter', 'get_unbound_function', 'imap', 'izip', 'ifilter']
 

theano/sandbox/cuda/nvcc_compiler.py

@@ -9,7 +9,7 @@ import warnings
 import numpy
 
 from theano import config
-from theano.compat import decode, decode_iter
+from theano.compat import decode, decode_with
 from theano.configdefaults import local_bitwidth
 from theano.gof.utils import hash_from_file
 from theano.gof.cmodule import (std_libs, std_lib_dirs,
@@ -357,7 +357,9 @@ class NVCC_compiler(Compiler):
             os.chdir(location)
             p = subprocess.Popen(
                     cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-            nvcc_stdout, nvcc_stderr = decode_iter(p.communicate()[:2])
+            nvcc_stdout, nvcc_stderr = p.communicate()[:2]
+            nvcc_stdout = decode_with(nvcc_stdout, p.stdout.encoding)
+            nvcc_stderr = decode_with(nvcc_stderr, p.stderr.encoding)
         finally:
             os.chdir(orig_dir)