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require 'formula'
def build_gui?
ARGV.include? '--with-gui'
end
class Postgis < Formula
homepage 'http://postgis.refractions.net'
url 'http://postgis.org/download/postgis-2.0.1.tar.gz'
sha1 '31db797a835f14470f9e1183fe8fd2ba7b99aadf'
head 'http://svn.osgeo.org/postgis/trunk/'
if ARGV.build_head?
depends_on :automake
depends_on :libtool
end
depends_on 'postgresql'
depends_on 'proj'
depends_on 'geos'
depends_on 'gtk+' if build_gui?
# For GeoJSON and raster handling
depends_on 'json-c'
depends_on 'gdal'
def options
[
['--with-gui', 'Build shp2pgsql-gui in addition to command line tools']
]
end
# PostGIS command line tools intentionally have unused symbols in
# them---these are callbacks for liblwgeom.
skip_clean :all
def postgresql
# Follow the PostgreSQL linked keg back to the active Postgres installation
# as it is common for people to avoid upgrading Postgres.
Formula.factory('postgresql').linked_keg.realpath
end
def install
ENV.deparallelize
jsonc = Formula.factory 'json-c'
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=#{jsonc.linked_keg.realpath}",
# 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=#{postgresql}/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_gui?
system './autogen.sh' if ARGV.build_head?
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.
(postgresql/'lib').install Dir['stage/**/*.so']
# Install extension scripts to the Postgres keg.
# `CREATE EXTENSION postgis;` won't work if these are located elsewhere.
(postgresql/'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-2.0/*']
# 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;
<<-EOS.undent
To create a spatially-enabled database, see the documentation:
http://postgis.refractions.net/documentation/manual-2.0/postgis_installation.html#create_new_db_extensions
and to upgrade your existing spatial databases, see here:
http://postgis.refractions.net/documentation/manual-2.0/postgis_installation.html#upgrading
PostGIS SQL scripts installed to:
#{HOMEBREW_PREFIX}/share/postgis
PostGIS plugin libraries installed to:
#{postgresql}/lib
PostGIS extension modules installed to:
#{postgresql}/share/postgresql/extension
EOS
end
end
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