Install GDAL 2.3 with ECW support on Ubuntu 18.04

gdal_ecw.sh

#!/bin/bash

##
## Tested on: Ubuntu 18.04 & ECW 5.4 & GDAL 2.3.1
##

## Download the ERDAS ECW JP2 SDK v5.4 Linux
## https://download.hexagongeospatial.com/downloads/ecw/erdas-ecw-jp2-sdk-v5-4-linux

## Download GDAL v2.3 Source (ex. 2.3.1)
## http://trac.osgeo.org/gdal/wiki/DownloadSource

## First remove gdal if it's already installed
sudo apt remove gdal-bin gdal-data libgdal20
sudo apt autoremove
sudo apt install libpng-dev

## Unzip ECW libraries and install.
## At the menu, select 1 for "Desktop Read-Only Redistributable"
unzip erdas-ecw-sdk-5.4.0-linux.zip
chmod +x ERDAS_ECWJP2_SDK-5.4.0.bin
./ERDAS_ECWJP2_SDK-5.4.0.bin

## Copy new libraries to system folder
## Rename the newabi library as x64 and move necessary libraries to /usr/local/lib
sudo cp -r ~/hexagon/ERDAS-ECW_JPEG_2000_SDK-5.4.0/Desktop_Read-Only /usr/local/hexagon
sudo rm -r /usr/local/hexagon/lib/x64
sudo mv /usr/local/hexagon/lib/newabi/x64 /usr/local/hexagon/lib/x64
sudo cp /usr/local/hexagon/lib/x64/release/libNCSEcw* /usr/local/lib
sudo ldconfig /usr/local/hexagon

## Build GDAL with ECW support
unzip gdal-2.3.1.zip
cd gdal-2.3.1

./configure --with-ecw=/usr/local/hexagon
make clean
make
sudo make install

## Check if it works
gdalinfo --formats | grep ECW

## Remove installation files
sudo rm -rf ~/hexagon/

echo "SKO BUFFS!"