Installation of Relion 3 on our MacOS!

The software of Scheres, Relion 3 (https://www3.mrc-lmb.cam.ac.uk/relion/index.php?title=Main_Page), we have it on our cluster and on the iMACs! For the iMacs, code can be found below, thanks to our scientific consultant and external collaborator, Koen M. Visscher:

First install the developer tools (http://osxdaily.com/2014/02/12/install-command-line-tools-mac-os-x/), xquartz (https://www.xquartz.org/) and brew (https://brew.sh/), and then you just copy/paste the following commands on the terminal, where you will be installing Relion 3:

###How we install Relion in the 
###Kastritis Laboratory on our Macs
###Install the necessary dependencies 
###for Relion 3.0 on your MacOS
brew install cmake
brew install gcc
brew install openmpi
brew install fltk
brew install fftw
###Set the correct compilers
export CXX=g++-9
export CC=gcc-9
export OMPI_CXX=g++-9
export OMPI_CC=gcc-9
export PATH="/usr/local/opt/openmpi/bin:${PATH}"
export CXXFLAGS="-I/usr/local/opt/openmpi/include"
export LDFLAGS="-L/usr/local/opt/openmpi/lib"
###Now download, compile and install relion
git clone https://github.com/3dem/relion.git
cd relion
git checkout 3.0.6
mkdir -p build
cd build
cmake ..
make -j 6
make install