require 'formula' def complete? ARGV.include? "--complete" end def postgres? ARGV.include? "--with-postgres" end def mysql? ARGV.include? "--with-mysql" end def no_python? ARGV.include? "--without-python" end def which_python "python" + `python -c 'import sys;print(sys.version[:3])'`.strip end def opencl? ARGV.include? "--enable-opencl" end class Gdal < Formula homepage 'http://www.gdal.org/' url 'http://download.osgeo.org/gdal/gdal-1.9.0.tar.gz' md5 '1853f3d8eb5232ae030abe007840cade' head 'https://svn.osgeo.org/gdal/trunk/gdal', :using => :svn depends_on 'jpeg' depends_on 'giflib' depends_on 'proj' depends_on 'geos' depends_on "postgresql" if postgres? depends_on "mysql" if mysql? # Without Numpy, the Python bindings can't deal with raster data. depends_on 'numpy' => :python unless no_python? if complete? # Raster libraries depends_on "netcdf" # Also brings in HDF5 depends_on "jasper" # May need a keg-only GeoJasPer library as this one is # not geo-spatially enabled. depends_on "cfitsio" depends_on "epsilon" # Vector libraries depends_on "unixodbc" # OS X version is not complete enough depends_on "libspatialite" depends_on "xerces-c" depends_on "poppler" # Other libraries depends_on "xz" # get liblzma compression algorithm library from XZutils end def options [ ['--complete', 'Use additional Homebrew libraries to provide more drivers.'], ['--with-postgres', 'Specify PostgreSQL as a dependency.'], ['--with-mysql', 'Specify MySQL as a dependency.'], ['--without-python', 'Build without Python support (disables a lot of tools).'], ['--enable-opencl', 'Build with support for OpenCL.'] ] end def get_configure_args args = [ # Base configuration. "--disable-debug", "--with-local=#{prefix}", "--with-threads", "--with-libtool", # GDAL native backends. "--with-libtiff=internal", # For bigTIFF support "--with-geotiff=internal", "--with-pcraster=internal", "--with-pcidsk=internal", "--with-bsb", "--with-grib", "--with-pam", # Backends supported by OS X. "--with-libz=/usr", "--with-png=/usr/X11", "--with-expat=/usr", "--with-sqlite3=/usr", # Default Homebrew backends. "--with-jpeg=#{HOMEBREW_PREFIX}", "--with-jpeg12", "--with-gif=#{HOMEBREW_PREFIX}", "--with-curl=/usr/bin/curl-config", # GRASS backend explicitly disabled. Creates a chicken-and-egg problem. # Should be installed separately after GRASS installation using the # official GDAL GRASS plugin. "--without-grass", "--without-libgrass", # OPeNDAP support also explicitly disabled for now---causes the # configuration of other components such as Curl and Spatialite to fail # for unknown reasons. "--with-dods-root=no" ] # Optional library support for additional formats. if complete? args.concat [ "--with-liblzma=yes", "--with-netcdf=#{HOMEBREW_PREFIX}", "--with-hdf5=#{HOMEBREW_PREFIX}", "--with-jasper=#{HOMEBREW_PREFIX}", "--with-cfitsio=#{HOMEBREW_PREFIX}", "--with-epsilon=#{HOMEBREW_PREFIX}", "--with-odbc=#{HOMEBREW_PREFIX}", "--with-spatialite=#{HOMEBREW_PREFIX}", "--with-xerces=#{HOMEBREW_PREFIX}", "--with-poppler=#{HOMEBREW_PREFIX}" ] else args.concat [ "--without-cfitsio", "--without-netcdf", "--without-ogdi", "--without-hdf4", "--without-hdf5", "--without-openjpeg", "--without-jasper", "--without-xerces", "--without-epsilon", "--without-spatialite", "--without-libkml", "--without-poppler", "--without-podofo", # The following libraries are either proprietary or available under # non-free licenses. Interested users will have to install such # software manually. "--without-msg", "--without-mrsid", "--without-jp2mrsid", "--without-kakadu", "--without-fme", "--without-ecw", "--without-dwgdirect" ] end # Database support. args << "--without-pg" unless postgres? args << "--without-mysql" unless mysql? args << "--without-sde" # ESRI ArcSDE databases args << "--without-ingres" # Ingres databases args << "--without-oci" # Oracle databases args << "--without-idb" # IBM Informix DataBlades # Homebrew-provided databases. args << "--with-pg=#{HOMEBREW_PREFIX}/bin/pg_config" if postgres? args << "--with-mysql=#{HOMEBREW_PREFIX}/bin/mysql_config" if mysql? args << "--without-python" # Installed using a separate set of # steps so that everything winds up # in the prefix. # Scripting APIs that have not been re-worked to respect Homebrew prefixes. # # Currently disabled as they install willy-nilly into locations outside of # the Homebrew prefix. Enable if you feel like it, but uninstallation may be # a manual affair. # # TODO: Fix installation of script bindings so they install into the # Homebrew prefix. args << "--without-perl" args << "--without-php" args << "--without-ruby" # OpenCL support args << "--with-opencl" if opencl? return args end def install # The 1.9.0 release appears to contain a regression where linking flags for # Sqlite are not added at a critical moment when the GDAL library is being # assembled. This causes the build to fail due to missing symbols. # # Fortunately, this can be remedied using LDFLAGS. ENV.append 'LDFLAGS', '-lsqlite3' system "./configure", "--prefix=#{prefix}", *get_configure_args system "make" system "make install" unless no_python? # If setuptools happens to be installed, setup.py will cowardly refuse to # install to anywhere that is not on the PYTHONPATH. # # Really setuptools, we're all consenting adults here... python_lib = lib + which_python + 'site-packages' ENV.append 'PYTHONPATH', python_lib # setuptools is also apparently incapable of making the directory it's # self python_lib.mkpath # `python-config` may try to talk us into building bindings for more # architectures than we really should. if MacOS.prefer_64_bit? ENV.append_to_cflags '-arch x86_64' else ENV.append_to_cflags '-arch i386' end cd 'swig/python' do system "python", "setup.py", "install_lib", "--install-dir=#{python_lib}" bin.install Dir['scripts/*'] end end end unless no_python? def caveats <<-EOS This version of GDAL was built with Python support. In addition to providing modules that makes GDAL functions available to Python scripts, the Python binding provides ~18 additional command line tools. Unless you are using Homebrew's Python, both the bindings and the additional tools will be unusable unless the following directory is added to the PYTHONPATH: #{HOMEBREW_PREFIX}/lib/#{which_python}/site-packages EOS end end end