Adds support for geographic objects to PostgreSQL

Current versions

postgis requires the following formulae to be installed:
pkg-config 0.29.2 Manage compile and link flags for libraries
gpp 2.25 General-purpose preprocessor with customizable syntax
postgresql 10.1 Object-relational database system
proj 4.9.3 Cartographic Projections Library
geos 3.6.2 Geometry Engine
json-c 0.12.1 JSON parser for C
gdal 1.11.5_3 Geospatial Data Abstraction Library
pcre 8.41 Perl compatible regular expressions library
sfcgal 1.3.2 C++ wrapper library around CGAL

Reverse dependencies

The following formulae require postgis to be installed:
virtualpg 1.0.2 Loadable dynamic extension for SQLite and SpatiaLite
pgrouting 2.5.2 Provides geospatial routing for PostGIS/PostgreSQL database

Recent formula history

ilovezfs postgis 2.4.2
ilovezfs Use “squiggly” heredocs.
Felix Bünemann postgis: revision for postgresql
Felix Bünemann postgis 2.4.0
Mike McQuaid postgis: fix rubocop warnings.

Formula code at GitHub