Issues with compiler flags in gfortran

[Chris Jones]

On 23/01/2019 11:00 am, Joshua Root wrote:
> On 2019-1-23 21:01 , Nicolas Pavillon wrote:
>> Hi,
>>
>>> On Jan 23, 2019, at 17:06, Joshua Root <jmr at macports.org> wrote:
>>>
>>> Doesn't look too hard, just changing '--with-as=${prefix}/bin/as' in the
>>> portfile to '--with-as=${prefix}/bin/llvm-as-mp-7.0' for example. But
>>> we're already telling the gcc ports --with-as=${prefix}/bin/as
>>> specifically, which makes the change in behaviour with a different PATH
>>> a bit puzzling.
>>
>> Just to be sure there is no misunderstanding, and in the case this point comes from what I mentioned.
>> I indeed reported that there was a different behavior when changing PATH, but this was with a gfortran outside of Macports.
>> I installed another version of gfortran to test if it was working with it, and the build failed with /opt/local in PATH (because of the older /opt/local/bin/as), and worked without it (since the build automatically used /usr/bin/as, I guess), but there was no —with-as instruction in that case.
> 
> OK, that makes sense, thanks for clarifying.
> 
> I think I know how to fix this, the question is just whether we want to
> add a dependency on clang or use the Xcode one (which not all OS
> versions have.)

Which ports exactly are you thinking of adding clang dependencies to ? 
Will need to be careful of not creating circular deps, as for instance 
the clang ports themselves depend on cctools.

Chris

> 
> - Josh
>