Bug/Patch #1481770: Use .so extension for shared libraries on HP-UX for ia64.
I suppose this could be backported if anyone cares.
diff --git a/pyconfig.h.in b/pyconfig.h.in
index df3c1cd..1468bf6 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -754,6 +754,9 @@
/* Define if setpgrp() must be called as setpgrp(0, 0). */
#undef SETPGRP_HAVE_ARG
+/* Define this to be extension of shared libraries (including the dot!). */
+#undef SHLIB_EXT
+
/* Define if i>>j for signed int i does not extend the sign bit when i < 0 */
#undef SIGNED_RIGHT_SHIFT_ZERO_FILLS