+=head1 error: pasting ")" and "l" does not give a valid preprocessing token
+
+There seems to be a broken system header file in HP-UX 11.00 that
+breaks perl building in 32bit mode with GNU gcc-4.x causing this
+error. The same file for HP-UX 11.11 (even though the file is older)
+does not show this failure, and has the correct definition, so the
+best fix is to patch the header to match:
+
+ --- /usr/include/inttypes.h 2001-04-20 18:42:14 +0200
+ +++ /usr/include/inttypes.h 2000-11-14 09:00:00 +0200
+ @@ -72,7 +72,7 @@
+ #define UINT32_C(__c) __CONCAT_U__(__c)
+ #else /* __LP64 */
+ #define INT32_C(__c) __CONCAT__(__c,l)
+ -#define UINT32_C(__c) __CONCAT__(__CONCAT_U__(__c),l)
+ +#define UINT32_C(__c) __CONCAT__(__c,ul)
+ #endif /* __LP64 */
+
+ #define INT64_C(__c) __CONCAT_L__(__c,l)
+
+