#21064: Enable NTL's '-march=native' more cautiously
-------------------------------------+-------------------------------------
Reporter: leif | Owner: leif
Type: defect | Status: needs_review
Priority: blocker | Milestone: sage-7.3
Component: packages: | Resolution:
standard |
Keywords: assembler shlx | Merged in:
mulx |
Authors: Leif Leonhardy | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/leif/enable_NTL_native_more_safely|
7e1ceb270804b7525db553d35be29ccecc03206a
Dependencies: | Stopgaps:
-------------------------------------+-------------------------------------
Comment (by leif):
Replying to [comment:6 dunfield]:
> One very minor quibble with the OS X-specific comment in the spkg-
install file:
>
> {{{
> TODO: If we pass '-q', it suddenly becomes LLVM's 'as', which should
work.
> }}}
>
> It is true that NTL will compile if you add `-q`, but I wouldn't
recommend doing so just for NTL, only Sage as a whole; I've seen weird
segfaults when I've tried mixing the two assemblers...
Better this way?
{{{
#!diff
diff --git a/build/pkgs/ntl/spkg-install b/build/pkgs/ntl/spkg-install
index 0a35355..cb5ad4e 100755
--- a/build/pkgs/ntl/spkg-install
+++ b/build/pkgs/ntl/spkg-install
@@ -109,8 +109,7 @@ ntl_configure()
assembler_ok=true # perhaps until we upgrade Sage's
GCC... ;-)
;;
1.38) # This is Apple's ancient version of GNU as.
- # TODO: If we pass '-q', it suddenly becomes LLVM's 'as',
which
- # should work.
+ # If we passed '-q', it would suddenly become LLVM's
'as'.
;;
esac
elif [ -n "$LLVMAS_VERSION" ]; then
}}}
(The
[https://git.sagemath.org/sage.git/commit?id=7e1ceb270804b7525db553d35be29ccecc03206a
corresponding commit message] is more explicit.)
--
Ticket URL: <https://trac.sagemath.org/ticket/21064#comment:8>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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