cups-helper: split on newlines in cups helper

printing/cups_config_helper.py

 #!/usr/bin/python
 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """cups-config wrapper.
 
 cups-config, at least on Ubuntu Lucid and Natty, dumps all
 cflags/ldflags/libs when passed the --libs argument.  gyp would like
 to keep these separate: cflags are only needed when compiling files
@@ skipping 14 matching lines @@
 
 def run_cups_config(mode):
     """Run cups-config with all --cflags etc modes, parse out the mode we want,
     and return those flags as a list."""
 
     cups = subprocess.Popen(['cups-config', '--cflags', '--ldflags', '--libs'],
                             stdout=subprocess.PIPE)
     flags = cups.communicate()[0].strip()
 
     flags_subset = []
-    for flag in flags.split(' '):
+    for flag in flags.split():
         flag_mode = None
         if flag.startswith('-l'):
             flag_mode = '--libs'
         elif (flag.startswith('-L') or flag.startswith('-Wl,')):
             flag_mode = '--ldflags'
         elif (flag.startswith('-I') or flag.startswith('-D')):
             flag_mode = '--cflags'
 
         # Be conservative: for flags where we don't know which mode they
         # belong in, always include them.
         if flag_mode is None or flag_mode == mode:
             flags_subset.append(flag)
 
     return flags_subset
 
 if len(sys.argv) != 2:
     usage()
 
 mode = sys.argv[1]
 if mode not in ('--cflags', '--libs', '--ldflags'):
     usage()
 flags = run_cups_config(mode)
 print ' '.join(flags)