On Mon, 10 Dec 2018, Paul Burton wrote: > And I realise that undoing that but keeping n64 in our own filenames & > macros is another type of inconsistency, but something imperfect is > unavoidable at this point given that the engineers way back when decided > to use "ABI64" for n64. My feeling has been n32 was invented at SGI as an afterthought, hence the choice of having ABI32 or ABI64 defined for the 32-bit (now o32) and the 64-bit (now n64) ABI respectively was reasonable. FWIW, Maciej