py27-scipy fails to install due to missing fortran compiler dependency

[edwardmoon (Edward Moon)]

When attempting to install py27-pandas on Jan 15, 2014 I had errors trying to install py27-scipy.

The error in the log referred to missing a fortran compiler.

I installed a fortran compiler with 'sudo port install f95'. This fortran compiler was still not recognized when install py27-scipy. I did not see a f77 or f90 compiler (from the scipy log) listed when I ran 'sudo port search fortran'.

I ended up installing gfortran 4.8.2 from binaries available at this location: ​http://gcc.gnu.org/wiki/GFortranBinariesMacOS

After installing gfortran, I had to make 2 symlinks for the py27-scipy to install:

sudo ln -s /usr/local/gfortran/bin/gfortran /opt/local/bin/gfortran
sudo ln -s /opt/local/bin/gfortran/gfortran /opt/local/bin/gfortran/gfortran-mp-4.8

After manually installing gfortran and the 2 symlinks, I was able to successfully run 'sudo port install py27-pandas'.

I verified that py27-scipy was working by typing in the ipython commands shown at: ​http://www.scipy.org/getting-started.html

I was able successfully create and save the graph shown in the example.

[edwardmoon (Edward Moon)]

Forgot to mention that I am on a late 2013 MacBook Pro running Mac OS 10.9 (Mavericks).

[seanfarley (Sean Farley)]

Replying to edwardsmoon@…:

Forgot to mention that I am on a late 2013 MacBook Pro running Mac OS 10.9 (Mavericks).

1) I will be able to provide a nicer interface for this once my patch series here is pushed: ​https://lists.macosforge.org/pipermail/macports-dev/2014-January/025718.html

2) You forgot to upload the log.

3) Do not install gfortran from gcc.gnu.org. This isn't supported in MacPorts.

Quick fix: you probably just want to install with the gcc48 variant. Run:

$ sudo port clean py27-scipy
$ sudo port -v install py27-scipy +gcc48

[ryandesign (Ryan Carsten Schmidt)]

Please don't install things in /usr/local when using MacPorts; it causes problems. See wiki:FAQ#usrlocal.

[edwardmoon (Edward Moon)]

I removed the symlinks I created and followed the steps to clean and reinstall py27-scipy, I experience no errors and was able to verify that scipy was working as expect in ipython.

Thanks,