is there a Fortran-90 compiler port? Where to get a FOSS Fortran-90 compiler?

[Chris Jones]

On 02/03/2024 4:43 am, Dave Allured - NOAA Affiliate via macports-users 
wrote:
> Yes, that is it.  Macports implementation decided to decorate the name 
> of the executable.  There is no naked "gfortran".  It is gfortran-mp-12, 
> gfortran-mp-13, etc.  This way you can have multiple versions installed 
> side by side, if you wish.  For convenience, I usually sym link 
> "gfortran" to the latest MP version.

You should not sym link manually yourself. That is precisely what `sudo 
port select gcc` is there for ....

> 
> 
> On Fri, Mar 1, 2024 at 9:35 PM Kenneth Wolcott <kennethwolcott at gmail.com 
> <mailto:kennethwolcott at gmail.com>> wrote:
> 
>     Should I be using gfortran-mp-13?
> 
>     ls /opt/local/bin | grep fortran
>     arm64-apple-darwin23-gfortran-mp-12
>     arm64-apple-darwin23-gfortran-mp-13
>     gfortran-mp-12
>     gfortran-mp-13
>     lfortran
> 
>     On Fri, Mar 1, 2024 at 8:28 PM Kenneth Wolcott
>     <kennethwolcott at gmail.com <mailto:kennethwolcott at gmail.com>> wrote:
>      >
>      > I do have a GNAT Ada compiler located at:
>      >
>      > /opt/gcc-13.2.0-aarch64
>      >
>      > Does the existence of this confuse or mislead MacPorts?
>      >
>      > Thanks,
>      > Ken W.
>      >
>      > On Fri, Mar 1, 2024 at 8:24 PM Kenneth Wolcott
>     <kennethwolcott at gmail.com <mailto:kennethwolcott at gmail.com>> wrote:
>      > >
>      > > Hi Joshua;
>      > >
>      > > port contents gcc13 | grep gfortran
>      > >   /opt/local/bin/arm64-apple-darwin23-gfortran-mp-13
>      > >   /opt/local/bin/gfortran-mp-13
>      > >   /opt/local/lib/gcc13/libgfortran.5.dylib
>      > >   /opt/local/lib/gcc13/libgfortran.a
>      > >   /opt/local/lib/gcc13/libgfortran.dylib
>      > >   /opt/local/lib/gcc13/libgfortran.spec
>      > >   /opt/local/share/info/gfortran-mp-13.info
>     <http://gfortran-mp-13.info>
>      > >   /opt/local/share/man/man1/gfortran-mp-13.1.gz
>      > > ~:
>      > >
>      > > But "ls /usr/local/bin | grep -i fortran"
>      > >
>      > > Has no output. ??!!
>      > >
>      > > Thanks,
>      > > Ken W.
>      > >
>      > > On Fri, Mar 1, 2024 at 7:19 PM Joshua Root <jmr at macports.org
>     <mailto:jmr at macports.org>> wrote:
>      > > >
>      > > > Are you sure of that? Check e.g. 'port contents gcc13 | grep
>     gfortran'.
>      > > >
>      > > > - Josh
>      > > >
>      > > > Kenneth Wolcott wrote:
>      > > >
>      > > > > Hi Noam;
>      > > > >
>      > > > >    I do not have gfortran, therefore I must not have gcc?
>      > > > >
>      > > > > Here is a filtered list of the ports that I have installed
>     that pertain to gcc:
>      > > > >    gcc12 @12.3.0_4+stdlib_flag (active)
>      > > > >    gcc12-libcxx @12.3.0_4+clang14 (active)
>      > > > >    gcc13 @13.2.0_4+stdlib_flag (active)
>      > > > >    gcc13-libcxx @13.2.0_4+clang16 (active)
>      > > > >    gcc_select @0.1_10 (active)
>      > > > >    libgcc @7.0_0 (active)
>      > > > >    libgcc12 @12.3.0_4+stdlib_flag (active)
>      > > > >    libgcc13 @13.2.0_4+stdlib_flag (active)
>      > > > >    mpich-default @4.1.2_2+gcc13 (active)
>      > > > >
>      > > > > Still confused...
>      > > > >
>      > > > > Thanks,
>      > > > > Ken W.
>      > > > >
>      > > > > On Fri, Mar 1, 2024 at 6:03 PM Bernstein, Noam CIV USN NRL
>     WASHINGTON
>      > > > > DC (USA) <noam.bernstein.civ at us.navy.mil
>     <http://us.navy.mil> 
>     <https://lists.macports.org/mailman/listinfo/macports-users
>     <https://lists.macports.org/mailman/listinfo/macports-users>>> wrote:
>      > > > > >//>/Pretty sure that macports gcc installs gfortran by
>     default, which is
>      > > > > a f90 (and 95, and maybe f2003) compiler./
>      > > >
>