Fix warning linking static libraries on OS X 10.9

pylib/gyp/mac_tool.py

 #!/usr/bin/env python
 # Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Utility functions to perform Xcode-style build steps.
 
 These functions are executed via gyp-mac-tool when using the Makefile generator.
 """
 
@@ skipping 182 matching lines @@
     fp.close()
 
   def ExecFlock(self, lockfile, *cmd_list):
     """Emulates the most basic behavior of Linux's flock(1)."""
     # Rely on exception handling to report errors.
     fd = os.open(lockfile, os.O_RDONLY|os.O_NOCTTY|os.O_CREAT, 0o666)
     fcntl.flock(fd, fcntl.LOCK_EX)
     return subprocess.call(cmd_list)
 
   def ExecFilterLibtool(self, *cmd_list):
-    """Calls libtool and filters out 'libtool: file: foo.o has no symbols'."""
-    libtool_re = re.compile(r'^libtool: file: .* has no symbols$')
+    """Calls libtool and filters out '/path/to/libtool: file: foo.o has no
+    symbols'."""
+    libtool_re = re.compile(r'^.*libtool: file: .* has no symbols$')
     libtoolout = subprocess.Popen(cmd_list, stderr=subprocess.PIPE)
     _, err = libtoolout.communicate()
     for line in err.splitlines():
       if not libtool_re.match(line):
         print >>sys.stderr, line
     return libtoolout.returncode
 
   def ExecPackageFramework(self, framework, version):
     """Takes a path to Something.framework and the Current version of that and
     sets up all the symlinks."""
@@ skipping 26 matching lines @@
   def _Relink(self, dest, link):
     """Creates a symlink to |dest| named |link|. If |link| already exists,
     it is overwritten."""
     if os.path.lexists(link):
       os.remove(link)
     os.symlink(dest, link)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))