updated HPUX notes.

diff --git a/README b/README
index 8e5264a84a785f52d92b7f2233fb7aea2ee95b87..5617eb321ec505a3742c67bf7e91c45d1a03f39d 100644 (file)
--- a/README
+++ b/README
@@ -363,11 +363,18 @@ AIX:      A complete overhaul of the shared library support is now in
        like "cc_r".  For full C++ module support, set CC="xlC_r" (or
        CC="xlC" without thread support).
 
-HP-UX: When using threading, you may have to add -D_REENTRANT to the
+HP-UX:  When using threading, you may have to add -D_REENTRANT to the
        OPT variable in the top-level Makefile; reported by Pat Knight,
        this seems to make a difference (at least for HP-UX 10.20)
-       even though pyconfig.h defines it. Experience seems to show that
-        building with HP's compiler works best if you set CC="cc -Ae".
+       even though pyconfig.h defines it. This seems unnecessary when
+       using HP/UX 11 and later - threading seems to work "out of the 
+       box".
+
+HP-UX ia64: When building on the ia64 (Itanium) platform using HP's 
+       compiler, some experience has shown that the compiler's 
+       optimiser produces a completely broken version of python 
+       (see http://www.python.org/sf/814976). To work around this, 
+       edit the Makefile and remove -O from the OPT line.
 
 HP PA-RISC 2.0: A recent bug report (http://www.python.org/sf/546117)
        suggests that the C compiler in this 64-bit system has bugs