#12703: GLPK fails to build with LTO (`gcc -flto ...`)
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Reporter: leif |
Owner: leif
Type: defect |
Status: needs_review
Priority: minor |
Milestone: sage-5.0
Component: packages |
Resolution:
Keywords: link time optimization nm glpsol spkg upgrade update |
Work issues:
Report Upstream: Reported upstream. Developers acknowledge bug. |
Reviewers: Nathann Cohen
Authors: Leif Leonhardy |
Merged in:
Dependencies: |
Stopgaps:
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Comment (by SimonKing):
Replying to [comment:22 leif]:
> Replying to [comment:21 leif]:
> > Can you open a ticket and/or put your spkg log (t|somew)here?
See #12738
> P.S.: If the build error is reproducible with that, preferably with
`MAKE="make -j1"`, as the flood of warnings already messes up the log.
OK. The log that I posted at #12738 uses `MAKE="make -j4"`, but I can try
to change the parameter and build Singular again.
> Btw., parts of Singular still seem to disrespect `CXXFLAGS`, i.e.,
''some'' C++ sources are compiled only using `CPPFLAGS`.
OK. Then, ''before'' changing MAKE I will add CPPFLAGS.
However, what I see in the logs is that the -flto option is ''not'' passed
to the linker, whereas it ''is'' passed to the compiler. Anyway, comments
would be better at #12738.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12703#comment:23>
Sage <http://www.sagemath.org>
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