On Sun, Feb 24, 2019 at 8:22 PM Paul Clarke <paulclarke...@gmail.com> wrote:
>
> Ok, good to know. Where can I find that beta? I have cloned the github 
> repository at git://github.com/sagemath/sage.git
> and it looks like the most recent version on the develop branch is 8.7.beta5

It's not necessary.  Just install your Linux distribution's `gfortran`
package.  Unless it's older than, say, version 4.8, it will work.
There's no reason to compile it just for Sage.


> On Sunday, February 24, 2019 at 1:02:30 PM UTC-6, vdelecroix wrote:
>>
>> This was
>>
>> https://trac.sagemath.org/ticket/27016
>>
>> which is indeed merged in 8.7.beta6
>>
>> Le 24/02/2019 à 20:00, Dima Pasechnik a écrit :
>> > This looks like a known bug, fixed in the latest beta I believe.
>> >
>> > On Sun, 24 Feb 2019 19:42 Paul Clarke, <paulcl...@gmail.com> wrote:
>> >
>> >> Hello,
>> >> Sage failed during compilation of the gfortran component. It appears that
>> >> the files were compiled successfully, but there was an error when copying
>> >> them to their final destination.
>> >>
>> >> Here is the error message:
>> >>
>> >> [gfortran-7.2.0] Copying package files from temporary location
>> >> /media/paul/str/source/sage/local/var/tmp/sage/build/gfortran-7.2.0/inst 
>> >> to
>> >> /media/paul/str/source/sage/local
>> >> [gfortran-7.2.0] cp: cannot overwrite non-directory
>> >> '/media/paul/str/source/sage/local/./lib64' with directory
>> >> '/media/paul/str/source/sage/local/var/tmp/sage/build/gfortran-7.2.0/inst/media/paul/str/source/sage/local/./lib64'
>> >> [gfortran-7.2.0]
>> >> ************************************************************************
>> >> [gfortran-7.2.0] Error copying files for gfortran-7.2.0.
>> >> [gfortran-7.2.0]
>> >> ************************************************************************
>> >> [gfortran-7.2.0] Please email sage-devel (
>> >> http://groups.google.com/group/sage-devel)
>> >> [gfortran-7.2.0] explaining the problem and including the log file
>> >> [gfortran-7.2.0]   
>> >> /media/paul/str/source/sage/logs/pkgs/gfortran-7.2.0.log
>> >> [gfortran-7.2.0] Describe your computer, operating system, etc.
>> >> [gfortran-7.2.0]
>> >> ************************************************************************
>> >> Makefile:2124: recipe for target
>> >> '/media/paul/str/source/sage/local/var/lib/sage/installed/gfortran-7.2.0'
>> >> failed
>> >> make[3]: ***
>> >> [/media/paul/str/source/sage/local/var/lib/sage/installed/gfortran-7.2.0]
>> >> Error 1
>> >> make[3]: Leaving directory '/media/paul/str/source/sage/build/make'
>> >> Makefile:1801: recipe for target 'all-start' failed
>> >> make[2]: *** [all-start] Error 2
>> >> make[2]: Leaving directory '/media/paul/str/source/sage/build/make'
>> >>
>> >> real    35m24.461s
>> >> user    28m44.864s
>> >> sys    3m53.390s
>> >> ***************************************************************
>> >>
>> >> My computer is a chromebook pixel 2015 running linux mint 18.2. Linux
>> >> kernel 4.15.0-lowlatency. The sage source directory is
>> >> /media/paul/str/source/sage (it's an external sd card). The log file is
>> >> around 12 MB(ending with the error message I copied) so I have created a
>> >> Google drive link to it:
>> >>
>> >> https://drive.google.com/file/d/1uhm0WZ2eZ8N-Dj7RQ8sMSFjz_ourK1I_/view?usp=sharing.
>> >>
>> >>
>> >> Can anyone tell what is going wrong here? Is this a known bug? Thank you
>> >> for your help,
>> >> Paul
>> >>
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>> >
>
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