gyp: Add AIX support

pylib/gyp/aix_tool.py

Index: pylib/gyp/aix_tool.py
diff --git a/pylib/gyp/sun_tool.py b/pylib/gyp/aix_tool.py
similarity index 89%
copy from pylib/gyp/sun_tool.py
copy to pylib/gyp/aix_tool.py
index 90d59c824095abbcfcae9384b03f3e37d464b36b..462c85913efb2f79d99d8f8c7a12ebe947c24e9b 100755
--- a/pylib/gyp/sun_tool.py
+++ b/pylib/gyp/aix_tool.py
@@ -3,7 +3,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-"""These functions are executed via gyp-sun-tool when using the Makefile
+"""These functions are executed via gyp-aix-tool when using the Makefile
 generator."""
 
 import fcntl
@@ -14,11 +14,11 @@ import sys
 
 
 def main(args):
-  executor = SunTool()
+  executor = AIXTool()
   executor.Dispatch(args)
 
 
-class SunTool(object):
+class AIXTool(object):
   """This class performs all the SunOS tooling steps. The methods can either be
   executed directly, or dispatched from an argument list."""
 
@@ -37,7 +37,7 @@ class SunTool(object):
   def ExecFlock(self, lockfile, *cmd_list):
     """Emulates the most basic behavior of Linux's flock(1)."""
     # Rely on exception handling to report errors.
-    # Note that the stock python on SunOS has a bug
+    # Note that the stock python has a bug
     # where fcntl.flock(fd, LOCK_EX) always fails
     # with EBADF, that's why we use this F_SETLK
     # hack instead.