Setup Heasoft (NASA's Software)

heasoft

# Download the software https://heasarc.gsfc.nasa.gov/docs/software/heasoft/download.html

# Extract
tar -xvzf heasoft-x.x.x.tar.gz

# This configuration is for bash variant. For other variant please check https://heasarc.gsfc.nasa.gov/docs/software/heasoft/ubuntu.html

# Instal pre-requisites
sudo apt-get -y install libreadline6-dev libcurl4 libcurl4-gnutls-dev libncurses5-dev xorg-dev gcc g++ gfortran perl-modules python3-dev

# Set environment variables for compilers/interpreters
export CC=/usr/bin/gcc
export CXX=/usr/bin/g++
export FC=/usr/bin/gfortran
export PERL=/usr/bin/perl
export PYTHON=/usr/bin/python

# make
cd path/to/heasoft-x.x.x/BUILD_DIR/
./configure
make
make install

# initialization
export HEADAS=path/to/heasoft-x.x.x/x86_64-pc-linux-gnu-libc2.27
alias heainit=". $HEADAS/headas-init.sh"

# NOTE: In the examples above, (PLATFORM) is a placeholder for the platform- specific string denoting your machine's architecture, for example: 
# x86_64-pc-linux-gnu-libc2.29