XEmacs 21.4.17 on HP-UX 11.23/IA-64

[Aidan Kehoe]

 Ar an dara lá is fiche de mí na Nollaig, scríobh Malcolm Purvis: 

 > Aidan> SuSE reported problems with pdump on IA 64, but I'd try compiling
 > Aidan> --with-pdump before being confident that XEmacs won't work there.
 > 
 > IIRC the IA-64's architecture is significantly incompatible with pdump. 
 > This is because function pointers are really function descriptors that
 > can contain a field that is not guaranteed to be constant across
 > invocations.

That’s an aspect of the ABI, no? And may vary on HP-UX? 

 > XEmacs will build and even pass the unit tests but might not work after the
 > machine is rebooted.
 > 
 > SuSe had a pretty invasive patch to fix this (by reinitialised all
 > function pointers in dumped data upon startup) but it's never made it
 > into our official releases.
 > 
 > Malcolm - Typing this from just rebuilt Linux PPC64 partition.

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