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require 'formula'
class Postgis < Formula
homepage 'http://postgis.net'
url 'http://download.osgeo.org/postgis/source/postgis-2.1.3.tar.gz'
sha256 'c17812aa4bb86ed561dfc65cb42ab45176b94e0620de183a4bbd773d6d876ec1'
head 'http://svn.osgeo.org/postgis/trunk/'
option 'with-gui', 'Build shp2pgsql-gui in addition to command line tools'
option 'without-gdal', 'Disable postgis raster support'
depends_on :autoconf
depends_on :automake
depends_on :libtool
depends_on 'gpp' => :build
depends_on 'postgresql'
depends_on 'proj'
depends_on 'geos'
depends_on 'gtk+' if build.with? "gui"
# For GeoJSON and raster handling
depends_on 'json-c'
depends_on 'gdal' => :recommended
# For advanced 2D/3D functions
depends_on 'sfcgal' => :recommended
def install
# Follow the PostgreSQL linked keg back to the active Postgres installation
# as it is common for people to avoid upgrading Postgres.
postgres_realpath = Formula["postgresql"].opt_prefix.realpath
ENV.deparallelize
args = [
"--disable-dependency-tracking",
# Can't use --prefix, PostGIS disrespects it and flat-out refuses to
# accept it with 2.0.
"--with-projdir=#{HOMEBREW_PREFIX}",
"--with-jsondir=#{Formula["json-c"].opt_prefix}",
# This is against Homebrew guidelines, but we have to do it as the
# PostGIS plugin libraries can only be properly inserted into Homebrew's
# Postgresql keg.
"--with-pgconfig=#{postgres_realpath}/bin/pg_config",
# Unfortunately, NLS support causes all kinds of headaches because
# PostGIS gets all of it's compiler flags from the PGXS makefiles. This
# makes it nigh impossible to tell the buildsystem where our keg-only
# gettext installations are.
"--disable-nls"
]
args << '--with-gui' if build.with? "gui"
args << '--without-raster' if build.without? "gdal"
system './autogen.sh'
system './configure', *args
system 'make'
# PostGIS includes the PGXS makefiles and so will install __everything__
# into the Postgres keg instead of the PostGIS keg. Unfortunately, some
# things have to be inside the Postgres keg in order to be function. So, we
# install everything to a staging directory and manually move the pieces
# into the appropriate prefixes.
mkdir 'stage'
system 'make', 'install', "DESTDIR=#{buildpath}/stage"
# Install PostGIS plugin libraries into the Postgres keg so that they can
# be loaded and so PostGIS databases will continue to function even if
# PostGIS is removed.
(postgres_realpath/'lib').install Dir['stage/**/*.so']
# Install extension scripts to the Postgres keg.
# `CREATE EXTENSION postgis;` won't work if these are located elsewhere.
(postgres_realpath/'share/postgresql/extension').install Dir['stage/**/extension/*']
bin.install Dir['stage/**/bin/*']
lib.install Dir['stage/**/lib/*']
include.install Dir['stage/**/include/*']
# Stand-alone SQL files will be installed the share folder
(share/'postgis').install Dir['stage/**/contrib/postgis-2.1/*']
# Extension scripts
bin.install %w[
utils/create_undef.pl
utils/postgis_proc_upgrade.pl
utils/postgis_restore.pl
utils/profile_intersects.pl
utils/test_estimation.pl
utils/test_geography_estimation.pl
utils/test_geography_joinestimation.pl
utils/test_joinestimation.pl
]
man1.install Dir['doc/**/*.1']
end
def caveats;
pg = Formula["postgresql"].opt_prefix
<<-EOS.undent
To create a spatially-enabled database, see the documentation:
http://postgis.net/docs/manual-2.1/postgis_installation.html#create_new_db_extensions
If you are currently using PostGIS 2.0+, you can go the soft upgrade path:
ALTER EXTENSION postgis UPDATE TO "2.1.3";
Users of 1.5 and below will need to go the hard-upgrade path, see here:
http://postgis.net/docs/manual-2.1/postgis_installation.html#upgrading
PostGIS SQL scripts installed to:
#{HOMEBREW_PREFIX}/share/postgis
PostGIS plugin libraries installed to:
#{pg}/lib
PostGIS extension modules installed to:
#{pg}/share/postgresql/extension
EOS
end
end
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