#14151: Update GMP-ECM to 6.4.4
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Reporter: zimmerma | Owner: tbd
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.8
Component: packages | Resolution:
Keywords: spkg | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by leif):
Replying to [comment:16 zimmerma]:
> 2) for the sse2 issue, as said above we (upstream) won't change anything
that we can't test on a real machine
FWIW, GMP-ECM's `config.guess`/`config.sub` and `configure[.in]` are
currently at least inconsistent (which can be seen without having access
to a Pentium III ;-) ).
* `config.guess` on my Pentium 4 yields `i686-...`, not `pentium4-...`.
* `config.sub` canonicalizes `{pentium2,pentiumii,pentium3,pentiumiii}-*`
to `i686-*` (and `pentium4-*` to `i786-*`, as mentioned).
* `configure[.in]` uses `$host` (rather than `$host_alias`), which in the
relevant checks is -- as is -- always the ''canonicalized'' name (which
especially means `i686-*` on Pentium II and III machines), such that any
test for (e.g.) `pentium3-*` or `pentium4-*` can never match.
* The SSE2 test doesn't try to ''execute'' SSE2 instructions, even when
not cross-compiling.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14151#comment:21>
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