Install screen with 256 color support on mac

build-screen.sh

#!/bin/sh

export POSIXLY_CORRECT=1
set -xe

git clone git://git.savannah.gnu.org/screen.git
cd screen/src
sudo mkdir -p /etc/opt/screen
./autogen.sh
./configure --prefix=/opt/djhaskin987/screen --sysconfdir=/etc/opt/djhaskin987/screen/ --localstatedir=/var/opt/djhaskin987/screen/  --enable-colors256
make
sudo make install
brew link screen

prereqs.sh

#!/bin/sh
export POSIXLY_CORRECT=1

# Download homebrew
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
# Download compiler, autotools
brew install autoconf automake gcc