#19233: ecm doesn't build with Xcode 7.0
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Reporter: jhpalmieri | Owner:
Type: defect | Status: new
Priority: critical | Milestone: sage-6.9
Component: packages: standard | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by jhpalmieri):
Replying to [comment:6 fbissey]:
> Replying to [comment:5 vbraun]:
> > Afaik:
> > * gcc/gas uses byte count on most platforms: `.align 64`
> > * llvm/clang use log2: `.align 6`
> > Looks like xcode 7 now errors out instead of limiting it to `2^15`.
Using `.p2align` would be unambiguous (and the latter behavior).
>
> So you suggest to replace `.align 64` by `.p2align 6`? I will have a go
at that a little bit later.
I also had to replace `.align 32,,16` with `.p2align 5,,4`. It builds with
those changes. Should the patch only be applied on OS X? On OS X with a
new version of Xcode? Always?
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Ticket URL: <http://trac.sagemath.org/ticket/19233#comment:7>
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