Class: Gem::Ext::ExtConfBuilder

Inherits:
Builder
  • Object
show all
Defined in:
lib/rubygems/ext/ext_conf_builder.rb

Constant Summary collapse

FileEntry =

:nodoc:

FileUtils::Entry_

Constants inherited from Builder

Builder::CHDIR_MUTEX

Instance Attribute Summary

Attributes inherited from Builder

#build_args

Class Method Summary collapse

Methods inherited from Builder

#build_error, #build_extension, #build_extensions, #builder_for, class_name, #initialize, make, redirector, run, #write_gem_make_out

Methods included from UserInteraction

#alert, #alert_error, #alert_warning, #ask, #ask_for_password, #ask_yes_no, #choose_from_list, #say, #terminate_interaction

Methods included from DefaultUserInteraction

ui, #ui, ui=, #ui=, use_ui, #use_ui

Constructor Details

This class inherits a constructor from Gem::Ext::Builder

Class Method Details

.build(extension, directory, dest_path, results, args = [], lib_dir = nil) ⇒ Object 



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# File 'lib/rubygems/ext/ext_conf_builder.rb', line 13

def self.build(extension, directory, dest_path, results, args=[], lib_dir=nil)
  tmp_dest = Dir.mktmpdir(".gem.", ".")

  t = nil
  Tempfile.open %w"siteconf .rb", "." do |siteconf|
    t = siteconf
    siteconf.puts "require 'rbconfig'"
    siteconf.puts "dest_path = #{(tmp_dest || dest_path).dump}"
    %w[sitearchdir sitelibdir].each do |dir|
      siteconf.puts "RbConfig::MAKEFILE_CONFIG['#{dir}'] = dest_path"
      siteconf.puts "RbConfig::CONFIG['#{dir}'] = dest_path"
    end

    siteconf.flush

    siteconf_path = File.expand_path siteconf.path

    rubyopt = ENV["RUBYOPT"]
    destdir = ENV["DESTDIR"]

    begin
      ENV["RUBYOPT"] = ["-r#{siteconf_path}", rubyopt].compact.join(' ')
      cmd = [Gem.ruby, File.basename(extension), *args].join ' '

      run cmd, results

      ENV["DESTDIR"] = nil
      ENV["RUBYOPT"] = rubyopt
      siteconf.unlink

      make dest_path, results

      if tmp_dest
        # TODO remove in RubyGems 3
        if Gem.install_extension_in_lib and lib_dir then
          FileUtils.mkdir_p lib_dir
          entries = Dir.entries(tmp_dest) - %w[. ..]
          entries = entries.map { |entry| File.join tmp_dest, entry }
          FileUtils.cp_r entries, lib_dir
        end

        FileEntry.new(tmp_dest).traverse do |ent|
          destent = ent.class.new(dest_path, ent.rel)
          destent.exist? or File.rename(ent.path, destent.path)
        end
      end
    ensure
      ENV["RUBYOPT"] = rubyopt
      ENV["DESTDIR"] = destdir
    end
  end
  t.unlink if t and t.path

  results
ensure
  FileUtils.rm_rf tmp_dest if tmp_dest
end