#20779: NTL 9.8.1 does not build on OS X versions 10.8 and 10.9
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Reporter: dunfield | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.3
Component: algebra | Resolution:
Keywords: MacOS AVX no such instruction | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by dunfield):
> Does `clang -print-prog-name=as` give a full pathname on your system?
Yes, it gives `/Library/Developer/CommandLineTools/usr/bin/as` which is
the gcc `as`. On a different 10.9 machine which has Xcode installed, not
just the command line tools, I get:
{{{
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/as
}}}
which is again the gcc `as`.
> Does `llvm-as` exist on your system (not necessarily along `$PATH`)?
No, or at least not as far as I can tell. In particular, there no `llvm-
as` (or any renamed version of such) in
`/Library/Developer/CommandLineTools/usr/bin/` which where it should be if
it exists.
On 10.10 and newer, the version of `as` at
`/Library/Developer/CommandLineTools/usr/bin/` becomes clang's assembler.
I realized my replacement script doesn't work either --- I guess we have
do something with the `-x assembler` flag
or similar?
--
Ticket URL: <https://trac.sagemath.org/ticket/20779#comment:28>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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