On Saturday, September 2, 2017 at 9:10:51 AM UTC+1, Emmanuel Charpentier
wrote:
>
> I used to have the exact same problem (with libtinfo*) back when Sage
> shipped ncurses 5 (to which libtinfo* belong). My workaround was to move
> libtinfo* out of the way : Sage the used the systemwide libtinfo*.
>
Was it also R/Rpy - related trouble?
Regarding this thread, I suspect that we have a bug in installer of one of
these, that picks up a wrong library or system R, something like this.
>
> A recent upgrade to the Sage-shipped ncurses (which is now version 6)
> fixed this.
>
> IMHO, these libraries would be a nice target to an attempt (in the
> configure file) for testing a possible systemwide library, then do NOT
> install the Sage-shipped version if the systemwide version is sufficient. I
> have been told that this already happens for some Sage-shipped packages,
> but I'm unable to quote them
>
> I'd like to propose a patch (at least for libreadline and ncurses), but I
> miss a couple of informations :
>
> - How to tell "configure" not to install the Sage-shipped version ? I
> think I am able to look at the configuration of the Sage-shipped packages
> for which this happens in order to understand what is done and
> clone/adapt
> the process. What are they ?
> - What features are necessary in {libtinfo|libreadline|wwhatever} for
> Sage to run correcly (i. e. what should "configure" test) ?
>
>
> Ideas ?
>
> --
> Emmanuel Charpentier
>
> Le mercredi 30 août 2017 19:14:06 UTC+2, Richard_L a écrit :
>>
>> As I observed on the sage-release Sage.8.1.beta3 thread, a library
>> conflict causes 'make ptestlong' to fail under openSUSE LEAP 42.2.
>> Reworking the offending symlink in the sage installation to point to the
>> system library fixes the problem. The two copies of "libreadline.so.6.3"
>> are NOT identical. Running 'nm -D --defined-only' against each file, and
>> stripping out the symbol values, I was able to diff the two, revealing
>> discrepancies both in symbol types and symbol names. (Log attached.)
>>
>> Question: Why does sage install shared-object libraries when working
>> versions of same are already on the system?
>>
>> - Richard
>>
>
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