Remove setup of HAVE_OLD_CPP; it is no longer used in the Python sources.

The actual test for it is only commented out in configure.in, so it can
be re-enabled if we ever run across the need for it again.

acconfig.h

@@ -59,9 +59,6 @@
 /* Define this if you have the type long long */
 #undef HAVE_LONG_LONG
 
-/* Define this if you have a K&R style C preprocessor */
-#undef HAVE_OLD_CPP
-
 /* Define if your compiler supports function prototypes */
 #undef HAVE_PROTOTYPES
 

config.h.in

@@ -127,9 +127,6 @@
 /* Define this if you have the type long long */
 #undef HAVE_LONG_LONG
 
-/* Define this if you have a K&R style C preprocessor */
-#undef HAVE_OLD_CPP
-
 /* Define if your compiler supports function prototypes */
 #undef HAVE_PROTOTYPES
 
@@ -231,6 +228,11 @@
 /* Defined when any dynamic module loading is enabled */
 #undef HAVE_DYNAMIC_LOADING
 
+/* Define if i>>j for signed int i does not extend the sign bit
+   when i < 0
+*/
+#undef SIGNED_RIGHT_SHIFT_ZERO_FILLS
+
 /* The number of bytes in a char.  */
 #undef SIZEOF_CHAR
 

configure.in

@@ -342,14 +342,14 @@ else
   fi
 fi
 
-# check for ANSI or K&R ("traditional") preprocessor
-AC_MSG_CHECKING(for C preprocessor type)
-AC_TRY_COMPILE([
-#define spam(name, doc) {#name, &name, #name "() -- " doc}
-int foo;
-struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
-], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional)
-AC_MSG_RESULT($cpp_type)
+dnl # check for ANSI or K&R ("traditional") preprocessor
+dnl AC_MSG_CHECKING(for C preprocessor type)
+dnl AC_TRY_COMPILE([
+dnl #define spam(name, doc) {#name, &name, #name "() -- " doc}
+dnl int foo;
+dnl struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
+dnl ], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional)
+dnl AC_MSG_RESULT($cpp_type)
 
 # checks for header files
 AC_HEADER_STDC