Le mardi 22 décembre 2015 09:58:41 UTC+1, Volker Braun a écrit :
>
> The binaries are all built with SAGE_INSTALL_GCC=yes to be as 
> self-contained as possible. AFAIK a default Ubuntu install doesn't include 
> a fortran compiler, for example.
>
> The LD_LIBRARY_PATH problem is fixed in Trac #19641
>

OK I see. 
But then there should be some warning somewhere telling the user to 
manually open http://localhost:8888/ and to not pay attention to the error 
message. Otherwise, I imagine many users will be disapointed (all the more 
that it worked well with Sage 6.9).

Best wishes,

Eric.
 

 

>
>
>
> On Tuesday, December 22, 2015 at 9:40:25 AM UTC+1, Eric Gourgoulhon wrote:
>>
>> Hi,
>>
>> Le vendredi 18 décembre 2015 16:46:19 UTC+1, leif a écrit :
>>>
>>>
>>> Not strange (although probably a flaw), but all binaries are built with 
>>> SAGE_INSTALL_GCC=yes AFAIK, so Sage is mainly built with GCC 4.9.2 which 
>>> ships with an older libstdc++. 
>>>
>>> The issue will presumably vanish when we get rid of setting 
>>> LD_LIBRARY_PATH (and using sage-native-execute here and there); until 
>>> then, you can simply create symlinks to your distro's libstdc++, 
>>> libgfortran, etc. 
>>>
>>>
>> Thanks for these explanations. 
>> But this means that all Ubuntu 15.10 users will be facing the same issue. 
>> Why are Sage binaries built with SAGE_INSTALL_GCC=yes instead of
>> using gcc of the targeted system ? With Ubuntu 15.10, there is no problem 
>> with the latter. Note that 15.10 is the latest Ubuntu version, so it is 
>> somehow annoying if SageMath is shipping bad binaries for it, especially
>> given the present discussion of making jupyter the default notebook. 
>>
>> Best wishes,
>>
>> Eric.
>>
>

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