So that seems to be the answer, OP uses the gold linker instead of the 
standard gnu ld. Which apparently can't link Sage. To fix this, uninstall 
binutils-gold. Gold is geared towards C++ so I'm not too surprised that it 
fails. Its also relatively new, especially for OP's linux version.



On Friday, February 7, 2014 5:24:58 PM UTC, Steven Trogdon wrote:
>
> It would seem that there's a problem with Binutils. I basically have the 
> same OS and gcc but with different hardware. However I have
>
> $ ld -v
> GNU ld (GNU Binutils for Ubuntu) 2.22
>
> and the linking is good. I had some other hiccups, mainly with cvxopt, 
> when building 6.1.1 but eventually the build completed. I'm not sure why 
> there is a difference in Binutils?
>
> On Friday, February 7, 2014 10:13:34 AM UTC-6, sho...@ualberta.ca wrote:
>>
>> Well I did build it successfully once. It was on 12.04 Ubuntu that had 
>> been used a lot - many softwares built on it. I then upgraded to 13.10, had 
>> many problems, and then decided to reinstall (fresh) 12.04LTS over the top 
>> (even reformatted) of 13.10. So in essence, my Ubuntu is pretty new and may 
>> not have a lot of "stuff", even though it does have all the prerequisites.
>>
>> I've actually tried to build 5.13, 6.0, and 6.1.1 and none have worked. 
>> It always complains about "conway_polynomail".... I have the log files 
>> still too if that can help.
>>
>> I'll try the GIT build today and see what happens.
>>
>> I've also wondered about the  PPA build of sagemath, though I don't like 
>> the idea of not having a self-contained directory/tree - maybe though it 
>> would install something in my /usr/bin or /usr/lib, etc. that I'm 
>> missing.....
>>
>> Thanks for the suggestion.
>>
>> Brett
>>
>> On Friday, February 7, 2014 7:40:08 AM UTC-7, Niles Johnson wrote:
>>>
>>> On Thursday, February 6, 2014 8:39:14 PM UTC-7, François wrote:
>>>>>
>>>>> I am stumped. I will have to think it over for a bit. Output of "ld 
>>>>> -v" please. 
>>>>>
>>>>
>>> While François is thinking, I'll make some other (more rudimentary) 
>>> suggestions.
>>>
>>> * Have you successfully built older versions of sage?  What is the 
>>> latest one that builds?
>>>
>>> * Are there any other packages failing to build? (My guess is no.)
>>>
>>> * Could you try checking out and building from the git repository (this 
>>> shouldn't make a difference, but who knows!?)
>>> [if you checkout the git repository, you can easily roll back to older 
>>> versions with, e.g., git checkout 6.0]
>>>
>>> * In particular, maybe try building the develop branch, just to see 
>>> whether you get the same or different problems
>>>
>>

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