SF patch 1631942 by Collin Winter:
(a) "except E, V" -> "except E as V"
(b) V is now limited to a simple name (local variable)
(c) V is now deleted at the end of the except block
diff --git a/Lib/distutils/cygwinccompiler.py b/Lib/distutils/cygwinccompiler.py
index 4fd23e6..44b5850 100644
--- a/Lib/distutils/cygwinccompiler.py
+++ b/Lib/distutils/cygwinccompiler.py
@@ -142,13 +142,13 @@
             # gcc needs '.res' and '.rc' compiled to object files !!!
             try:
                 self.spawn(["windres", "-i", src, "-o", obj])
-            except DistutilsExecError, msg:
+            except DistutilsExecError as msg:
                 raise CompileError, msg
         else: # for other files use the C-compiler
             try:
                 self.spawn(self.compiler_so + cc_args + [src, '-o', obj] +
                            extra_postargs)
-            except DistutilsExecError, msg:
+            except DistutilsExecError as msg:
                 raise CompileError, msg
 
     def link (self,
@@ -379,7 +379,7 @@
         s = f.read()
         f.close()
 
-    except IOError, exc:
+    except IOError as exc:
         # if we can't read this file, we cannot say it is wrong
         # the compiler will complain later about this file as missing
         return (CONFIG_H_UNCERTAIN,