[gpaw-users] Installing GPAW on OS X

[Toma Susi]

> On 20 Jun 2016, at 15:54, Jens Jørgen Mortensen <jensj at fysik.dtu.dk> wrote:
> 
> On 06/17/2016 12:13 PM, Toma Susi via gpaw-users wrote:
>> Hi,
>> 
>> Jens Jørgen brought up the installation of GPAW on OS X:
>> 
>>> On 17 Jun 2016, at 08:15, gpaw-users-request at listserv.fysik.dtu.dk wrote:
>>> 
>>> We discussed how to help people who are forced to do their
>>> GPAW-development work on a MAC.  But no one wanted to document how they
>>> installed GPAW, so we are stuck with our broken documentation.
>> I thought I could give it a stab.
> 
> Thanks a lot!  See my comments below:
My pleasure! A couple of quick replies below:

> 
>> Install Homebrew:
>> 
>> 	/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
>> 	echo 'export PATH=/usr/local/bin:$PATH'
> 
> What does this echo-line do?
This is a workaround for an issue Homebrew has with OS X paths. It might not be necessary for every system and there might be better ways to do it:
https://github.com/Homebrew/legacy-homebrew/issues/29843

> 
>> 
>> Reinstall matplotlib with PyGTK for ASE-GUI (I am not 100% sure this step is necessary, but I did have to use the matplotlib-basemap tap to get this to work):
>> 
>> 	brew install homebrew/python/matplotlib-basemap --with-pygtk
> 
> We can drop the matplotlib-with-pygtk-backend step.  It's not needed anymore.
Okay, great!