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require 'formula'
class Mapnik < Formula
homepage 'http://www.mapnik.org/'
url 'https://github.com/downloads/mapnik/mapnik/mapnik-v2.1.0.tar.bz2'
sha1 'b1c6a138e65a5e20f0f312a559e2ae7185adf5b6'
head 'https://github.com/mapnik/mapnik.git'
option 'with-cairo', 'Build with Cairo'
option 'with-gdal', 'Build with optional "Geospatial Data Abstraction Library"'
option 'with-geos', 'Build with the GEOS (Geometry Engine)'
depends_on :libtool => :build
depends_on :freetype
depends_on :libpng
depends_on 'libtiff'
depends_on 'proj'
depends_on 'icu4c'
depends_on 'jpeg'
depends_on 'boost'
depends_on 'gdal' if build.include? 'with-gdal'
depends_on 'geos' if build.include? 'with-geos'
depends_on 'pkg-config' => :build
if build.include? 'with-cairo'
depends_on 'cairo' => :optional
depends_on 'py2cairo'
depends_on 'cairomm' => :optional
end
def install
icu = Formula.factory("icu4c").opt_prefix
boost = Formula.factory('boost').opt_prefix
proj = Formula.factory('proj').opt_prefix
jpeg = Formula.factory('jpeg').opt_prefix
libtiff = Formula.factory('libtiff').opt_prefix
cairo = Formula.factory('cairo').opt_prefix if build.include? 'cairo'
# mapnik compiles can take ~1.5 GB per job for some .cpp files
# so lets be cautious by limiting to CPUS/2
jobs = ENV.make_jobs
if jobs > 2
jobs = Integer(jobs/2)
end
args = [ "scons/scons.py",
"configure",
"CC=\"#{ENV.cc}\"",
"CXX=\"#{ENV.cxx}\"",
"JOBS=#{jobs}",
"PREFIX=#{prefix}",
"ICU_INCLUDES=#{icu}/include",
"ICU_LIBS=#{icu}/lib",
"PYTHON_PREFIX=#{prefix}", # Install to Homebrew's site-packages
"JPEG_INCLUDES=#{jpeg}/include",
"JPEG_LIBS=#{jpeg}/lib",
"TIFF_INCLUDES=#{libtiff}/include",
"TIFF_LIBS=#{libtiff}/lib",
"BOOST_INCLUDES=#{boost}/include",
"BOOST_LIBS=#{boost}/lib",
"PROJ_INCLUDES=#{proj}/include",
"PROJ_LIBS=#{proj}/lib" ]
if build.include? 'cairo'
args << "CAIRO_INCLUDES=#{cairo}/include"
args << "CAIRO_LIBS=#{cairo}/lib"
end
args << "GEOS_CONFIG=#{Formula.factory('geos').opt_prefix}/bin/geos-config" if build.include? 'with-geos'
args << "GDAL_CONFIG=#{Formula.factory('gdal').opt_prefix}/bin/gdal-config" if build.include? 'with-gdal'
system "python", *args
system "python",
"scons/scons.py",
"install"
end
def caveats; <<-EOS.undent
For non-homebrew Python, you need to amend your PYTHONPATH like so:
export PYTHONPATH=#{HOMEBREW_PREFIX}/lib/#{which_python}/site-packages:$PYTHONPATH
EOS
end
def which_python
"python" + `python -c 'import sys;print(sys.version[:3])'`.strip
end
end
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