* [proj](https://proj.org/)
* [bzip2](http://www.bzip.org/)
* [zlib](https://www.zlib.net/)
+ * [ICU](http://site.icu-project.org/)
* [Boost libraries](https://www.boost.org/), including system and filesystem
* PostgreSQL client libraries
* a recent C++ compiler (gcc 5+ or Clang 3.8+)
* [Python Dotenv](https://github.com/theskumar/python-dotenv)
* [psutil](https://github.com/giampaolo/psutil)
* [Jinja2](https://palletsprojects.com/p/jinja/)
+ * [PyICU](https://pypi.org/project/PyICU/)
* [PHP](https://php.net) (7.0 or later)
* PHP-pgsql
* PHP-intl (bundled with PHP)
php-pgsql php php-intl libpqxx-devel \
proj-epsg bzip2-devel proj-devel boost-devel \
python3-pip python3-setuptools python3-devel \
- expat-devel zlib-devel
+ expat-devel zlib-devel libicu-dev
- pip3 install --user psycopg2 python-dotenv psutil Jinja2
+ pip3 install --user psycopg2 python-dotenv psutil Jinja2 PyICU
#
php-pgsql php php-intl php-json libpq-devel \
bzip2-devel proj-devel boost-devel \
python3-pip python3-setuptools python3-devel \
- expat-devel zlib-devel
+ expat-devel zlib-devel libicu-dev
- pip3 install --user psycopg2 python-dotenv psutil Jinja2
+ pip3 install --user psycopg2 python-dotenv psutil Jinja2 PyICU
#
postgresql-server-dev-10 postgresql-10-postgis-2.4 \
postgresql-contrib-10 postgresql-10-postgis-scripts \
php php-pgsql php-intl python3-pip \
- python3-psycopg2 python3-psutil python3-jinja2 git
+ python3-psycopg2 python3-psutil python3-jinja2 git libicu-dev
# The python-dotenv package that comes with Ubuntu 18.04 is too old, so
# install the latest version from pip:
- pip3 install python-dotenv
+ pip3 install python-dotenv PyICU
#
# System Configuration
postgresql-server-dev-12 postgresql-12-postgis-3 \
postgresql-contrib-12 postgresql-12-postgis-3-scripts \
php php-pgsql php-intl python3-dotenv \
- python3-psycopg2 python3-psutil python3-jinja2 git
+ python3-psycopg2 python3-psutil python3-jinja2 git libicu-dev
+#Python packages:
+
+ pip3 install PyICU
#
# System Configuration