trying to install ATLAS

[Joshua Kordani]

This package will take a long time to build, although don't be surprised 
if it fails on the first try.  I can never get it to work on the first 
try with default settings.


On 3/15/18 9:45 AM, Craig Treleaven wrote:
>> On Mar 15, 2018, at 8:29 AM, pagani laurent via macports-users <macports-users at lists.macports.org> wrote:
>>
>> I reinstalled gcc5, both gcc5 and 7 are active but the result is the same.
>> I desactivate gcc7 but Xcode gcc takes precedence upon Macports/gcc5 even when I deactivate/reactivate the later.
>>
> I’m not familiar with ATLAS but I think you need to choose one of the variants in order to build it with another compiler:
>
> $ port variants atlas
> atlas has the variants:
>     gcc49: build using macports-gcc-4.9
>       * conflicts with gcc5 mpclang37 perf
>     gcc5: build using macports-gcc-5
>       * conflicts with gcc49 mpclang37 perf
>     mpclang37: use mp-clang-3.7 and gfortran
>       * conflicts with gcc49 gcc5 perf
>     nofortran: Forgo use of fortran compiler
>     universal: Build for multiple architectures
>
> Perhaps try
>
> sudo port install atlas +gcc5
>
> Also, some packages can take a very long time to build.  Adding the verbose flag can give you more feedback as the build progresses:
>
> sudo port -v install atlas +gcc5
>
> Craig