On Tue, May 28, 2019 at 6:43 PM Christian Stump
<[email protected]> wrote:
>
> > well, building gcc 7 with a 7-years old complier (gcc version 4.4.7
> > 20120313 (Red Hat 4.4.7-23), as the log says)
> > probably not possible.
> > Do they have something newer installed?
>
> They did install for me both gcc-7.2.0 (didn't work) and gcc-7.3.0 (didn't
> work either).
>
> Let me emphasize again that their setup (with the old gcc 4.x.x) let me
> compile a fresh sage-8.6 without any trouble, only when trying sage-8.7, the
> error occurs. Doesn't that suggest that the issue is not the old compiler?
>
the final error in your gcc build log :
/lib/crti.o: could not read symbols: File in wrong format
suggests that something is messed up w.r.t. 32- vs 64-bit support.
It probably should have used /lib64/crti.o
So something is dodgy with the environment on your machine (gfan error
you posted looks of the same sort).
Probably it is assumed you must have something nontrivial in LDFLAGS or so.
(or maybe you do have something in LDFLAGS or other similar variable
that should not be there)
E.g. gfan did not link to the right libraries for no apparent reason whatsoever.
Since 8.6 there were several chnages in how Sage is built, e.g. in the
minimum C++ standard requied (gnu++11 now), some changes in how there
32- vs 64-bit issues are handled, etc., this might explian why 8.6
still works.
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