#3791: ATLAS.spkg: add Altivec errata support for Linux PPC
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Reporter: mabshoff | Owner: mabshoff
Type: defect | Status: new
Priority: major | Milestone: sage-6.4
Component: build | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by fbissey):
My own experience is that you need to let ATLAS set its own flags on
power7 and probably other ppc(64) arch. It detects and adds altivec/vsx
flags appropriately. If you touch CFLAGS you have to make sure to include
flags that activate altivec (appropriate -mcpu and -mtune does the trick
the CPPFLAGS should be included automatically and failure to include the
right flags will result in a compilation failure at some point).
Is this for your project of building a last tiger ppc binary?
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Ticket URL: <http://trac.sagemath.org/ticket/3791#comment:9>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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