Building libecwj 3.3 library on Unix to /usr/local/libecwj2-3.3

build-libecwj2-3.3.sh

#!/bin/bash

# ===============================================================================
# Building libecwj 3.3 library on Unix to /usr/local/libecwj2-3.3
# ===============================================================================

# Unzip the ECW library to the current folder
# - ftp://ftp.ii.net/pub/gentoo/distfiles/libecwj2-3.3-2006-09-06.zip
unzip libecwj2-3.3-2006-09-06.zip

# Unzip the ECW cummulative patches from GDAL
# - https://trac.osgeo.org/gdal/attachment/wiki/ECW/libecwj2-3.3.patch
unzip libecwj2-3.3-patch.zip

### Build the library and install in specified folder (e.g. /usr/local/libecwj2-3.3)
libpath="/usr/local/lib/libecwj2-3.3"
cd libecwj2-3.3

echo Applying cumulative patch
patch -b -p1 < ../libecwj2-3.3.patch

# The include folder must preexist in the target folder (e.g. /usr/local/libecwj2-3.3)
if [ ! -d ${libpath}"/include" ]; then 
    echo Creating include folder at $libpath
    sudo mkdir -p ${libpath}"/include"
fi

echo Configuring the build
./configure --prefix=${libpath}

echo Running make
make

echo Running make install
sudo make install