#20136: Various meataxe build issues
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Reporter: jdemeyer | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.1
Component: packages: optional | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by jdemeyer):
Replying to [comment:1 SimonKing]:
> > 3. meataxe assumes that `char` is `signed char` but that is not
guaranteed by the C standard. This causes breakage on powerpc64le. A work-
around with GCC is `-fsigned-char` but it's better to fix the sources.
>
> OK, but that would also require to either fix the sources (namely the
Makefile)
I meant changing the C sources. This could mean changing `char` to `signed
char` or fix the places where it is assumed that `char` is signed.
Also keep in mind that perhaps code ''linking'' to meataxe might break
because of this (maybe not, I don't know). I don't think you can require
such code to use `-fsigned-char`.
> > 4. the test-suite has race conditions: testing with `MAKE="make -j48"`
fails while `MAKE="make -j1"` works.
>
> I have seen before that the test suite is flaky.
An easy workaround is to use `$MAKE -j1` then.
--
Ticket URL: <http://trac.sagemath.org/ticket/20136#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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