Build & Install Intl extension for PHP on an (gs) server

# Needed exports
export PHPPATH=`php-latest -i | grep "Configure Command" | perl -pe "s/.*'.\/configure'\s*?'--prefix\=(.*?)'.*/\1/"`;
export LIBDIR=$HOME/data/lib; export SRCDIR=$LIBDIR/src;

# Create the data/lib and data/lib/php directory if it does not exist already
if [ ! -d "$LIBDIR" ]; then
    mkdir $HOME/data/lib;
fi

if [ ! -d "$LIBDIR/php" ]; then
    mkdir $HOME/data/lib/php;
fi


# Create a source directory for ICU and PHP (for ext/intl)
cd $LIBDIR && mkdir src && mkdir ICU-49.1.2 && cd src;

# Download and extract the required archives
wget http://download.icu-project.org/files/icu4c/49.1.2/icu4c-49_1_2-src.tgz && tar xzvf icu4c-49_1_2-src.tgz;
wget http://us3.php.net/get/php-5.3.13.tar.gz/from/this/mirror && tar xzvf mirror;
rm icu4c-49_1_2-src.tgz mirror;

# Build ICU
cd icu/source;

    # configure without prefix to allow make to run correctly
    ./runConfigureICU Linux && make;

    # reconfigure with prefix for make install
    ./configure --prefix=$SRCDIR/ICU-49.1.2;

    # Magic
    make install;

cd $SRCDIR/php-5.3.13/ext/intl;

# More Magic
$PHPPATH/bin/phpize;

# Run configure
./configure --with-php-config=$PHPPATH/bin/php-config --with-icu-dir=$SRCDIR/ICU-49.1.2 && make;

# Install extension
cp modules/intl.so $LIBDIR/php/

# cleanup
cd $LIBDIR && rm -R src;

echo "----------------------------------------------------------------"; echo "You WILL need to add the line:"; echo "    extension=$LIBDIR/php/intl.so"; echo "to your php.ini for the Intl to be available"'!'; echo "----------------------------------------------------------------";