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require 'fileutils'
require 'rbconfig'
require 'mkmf'
main_dir = File.expand_path(File.join(File.dirname(__FILE__),"..",".."))
# check for required programs
programs = ["R","Rscript","mongod","java","getconf"]
programs.each do |program|
abort "Please install #{program} on your system." unless find_executable program
end
abort "Please install Rserve on your system. Execute 'install.packages('Rserve')' in a R console running as root ('sudo R')." unless `R CMD Rserve --version`.match(/^Rserve/)
# install R packages
r_dir = File.join main_dir, "R"
FileUtils.mkdir_p r_dir
FileUtils.mkdir_p File.join(main_dir,"bin") # for Rserve binary
rinstall = File.expand_path(File.join(File.dirname(__FILE__),"rinstall.R"))
puts `Rscript --vanilla #{rinstall} #{r_dir}`
# install OpenBabel
openbabel_version = "2.3.2"
openbabel_dir = File.join main_dir, "openbabel"
src_dir = openbabel_dir
build_dir = File.join src_dir, "build"
install_dir = openbabel_dir
install_lib_dir = File.join install_dir, "lib"
lib_dir = File.join openbabel_dir, "lib", "openbabel"
ruby_src_dir = File.join src_dir, "scripts", "ruby"
begin
nr_processors = `getconf _NPROCESSORS_ONLN`.to_i # should be POSIX compatible
rescue
nr_processors = 1
end
FileUtils.mkdir_p openbabel_dir
Dir.chdir main_dir do
FileUtils.rm_rf src_dir
puts "Downloading OpenBabel sources"
system "git clone https://github.com/openbabel/openbabel.git"
end
FileUtils.mkdir_p build_dir
FileUtils.mkdir_p install_dir
Dir.chdir build_dir do
puts "Configuring OpenBabel"
cmake = "cmake #{src_dir} -DCMAKE_INSTALL_PREFIX=#{install_dir} -DBUILD_GUI=OFF -DENABLE_TESTS=OFF -DRUN_SWIG=ON -DRUBY_BINDINGS=ON"
# set rpath for local installations
# http://www.cmake.org/Wiki/CMake_RPATH_handling
# http://vtk.1045678.n5.nabble.com/How-to-force-cmake-not-to-remove-install-rpath-td5721193.html
cmake += " -DCMAKE_INSTALL_RPATH:STRING=\"#{install_lib_dir}\""
system cmake
end
# local installation in gem directory
Dir.chdir build_dir do
puts "Compiling OpenBabel sources."
system "make -j#{nr_processors}"
system "make install"
ENV["PKG_CONFIG_PATH"] = File.dirname(File.expand_path(Dir["#{install_dir}/**/openbabel*pc"].first))
end
$makefile_created = true
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