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require 'fileutils'
require 'tmpdir'
ob_num_ver="2.3.1"
ob_ver="openbabel-"+ob_num_ver
main_dir = File.expand_path(File.join(File.dirname(__FILE__),"..","..","src"))
lib_dir = File.expand_path(File.join(File.dirname(__FILE__),"..","..","src"))
Dir.mkdir main_dir
ob_main_dir = File.join(main_dir,ob_ver)
ob_bindings_dir = File.join(ob_main_dir,"scripts","ruby")
begin
Dir.chdir main_dir do
FileUtils.rm_rf ob_main_dir
puts "Downloading OpenBabel sources"
puts `curl -L -d use_mirror=netcologne "http://downloads.sourceforge.net/project/openbabel/openbabel/#{ob_num_ver}/openbabel-#{ob_num_ver}.tar.gz" | tar xz`
end
Dir.chdir ob_main_dir do
puts "Configuring OpenBabel"
puts `cmake #{ob_main_dir} -DCMAKE_INSTALL_PREFIX=#{lib_dir}`
openbabel_libs = false
openbabel_libs = true if `ldconfig -p`.split("\n").grep(/openbabel/)
unless openbabel_libs
ENV["LD_LIBRARY_PATH"].split(":").each do |dir|
openbabel_libs = true unless Dir[File.join(dir,"*libopenbabel*")].empty?
end
end
unless openbabel_libs
puts "OpenBabel not installed. Compiling sources."
puts `make`
puts `make install`
end
end
Dir.chdir ob_bindings_dir do
puts "Compiling and instaling OpenBabel Ruby bindings."
`sed -i 's/Init_OpenBabel/Init_openbabel/g' *cpp`
require './extconf.rb'
`sed -i 's/-flat_namespace//' Makefile`
puts `make`
end
FileUtils.cp(ob_bindings_dir+"/openbabel.so", "./")
ensure
FileUtils.remove_entry_secure main_dir
end
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