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Class: Gem::Ext::ExtConfBuilder

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Builder
Instance Chain:
self, Builder, ::Gem::UserInteraction, ::Gem::DefaultUserInteraction, ::Gem::Text
Inherits: Gem::Ext::Builder
Defined in: lib/rubygems/ext/ext_conf_builder.rb

Class Method Summary

Builder - Inherited

.class_name, .make,
.new

Creates a new extension builder for spec.
.ruby, .run

Instance Attribute Summary

Builder - Inherited

#build_args

::Gem::DefaultUserInteraction - Included

#ui

See DefaultUserInteraction.ui
#ui=

See DefaultUserInteraction.ui=

Instance Method Summary

Builder - Inherited

#build_extensions

Builds extensions.
#build_error

Logs the build output, then raises BuildError.
#build_extension,
#builder_for

Chooses the extension builder class for extension
#write_gem_make_out

Writes output to gem_make.out in the extension install directory.

::Gem::UserInteraction - Included

#alert

Displays an alert statement.
#alert_error

Displays an error statement to the error output location.
#alert_warning

Displays a warning statement to the warning output location.
#ask

Asks a question and returns the answer.
#ask_for_password

Asks for a password with a prompt
#ask_yes_no

Asks a yes or no question.
#choose_from_list

Asks the user to answer question with an answer from the given list.
#say

Displays the given statement on the standard output (or equivalent).
#terminate_interaction

Terminates the RubyGems process with the given exit_code
#verbose

Calls say with msg or the results of the block if really_verbose is true.

::Gem::DefaultUserInteraction - Included

#use_ui

See DefaultUserInteraction.use_ui

::Gem::Text - Included

#clean_text

Remove any non-printable characters and make the text suitable for printing.
#format_text

Wraps text to wrap characters and optionally indents by indent characters.
#levenshtein_distance

Returns a value representing the “cost” of transforming str1 into str2 Vendored version of DidYouMean::Levenshtein.distance from the ruby/did_you_mean gem @ 1.4.0 github.com/ruby/did_you_mean/blob/2ddf39b874808685965dbc47d344cf6c7651807c/lib/did_you_mean/levenshtein.rb#L7-L37.
#truncate_text, #min3

Constructor Details

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

Class Method Details

.build(extension, dest_path, results, args = [], lib_dir = nil, extension_dir = Dir.pwd)

[ GitHub ] 

  


# File 'lib/rubygems/ext/ext_conf_builder.rb', line 10



def self.build(extension, dest_path, results, args=[], lib_dir=nil, extension_dir=Dir.pwd)
  require "fileutils"
  require "tempfile"

  tmp_dest = Dir.mktmpdir(".gem.", extension_dir)

  # Some versions of `mktmpdir` return absolute paths, which will break make
  # if the paths contain spaces.
  #
  # As such, we convert to a relative path.
  tmp_dest_relative = get_relative_path(tmp_dest.clone, extension_dir)

  destdir = ENV["DESTDIR"]

  begin
    cmd = ruby << File.basename(extension)
    cmd.push(*args)

    run(cmd, results, class_name, extension_dir) do |s, r|
      mkmf_log = File.join(extension_dir, "mkmf.log")
      if File.exist? mkmf_log
        unless s.success?
          r << "To see why this extension failed to compile, please check" \
            " the mkmf.log which can be found here:\n"
          r << "  " + File.join(dest_path, "mkmf.log") + "\n"
        end
        FileUtils.mv mkmf_log, dest_path
      end
    end

    ENV["DESTDIR"] = nil

    make dest_path, results, extension_dir, tmp_dest_relative

    full_tmp_dest = File.join(extension_dir, tmp_dest_relative)

    # TODO: remove in RubyGems 4
    if Gem.install_extension_in_lib && lib_dir
      FileUtils.mkdir_p lib_dir
      entries = Dir.entries(full_tmp_dest) - %w[. ..]
      entries = entries.map {|entry| File.join full_tmp_dest, entry }
      FileUtils.cp_r entries, lib_dir, remove_destination: true
    end

    FileUtils::Entry_.new(full_tmp_dest).traverse do |ent|
      destent = ent.class.new(dest_path, ent.rel)
      destent.exist? || FileUtils.mv(ent.path, destent.path)
    end

    make dest_path, results, extension_dir, tmp_dest_relative, ["clean"]
  ensure
    ENV["DESTDIR"] = destdir
  end

  results
ensure
  FileUtils.rm_rf tmp_dest if tmp_dest
end


  








  

    .get_relative_path(path, base)  
  

  [ GitHub ]


  

  


# File 'lib/rubygems/ext/ext_conf_builder.rb', line 69



def self.get_relative_path(path, base)
  path[0..base.length - 1] = "." if path.start_with?(base)
  path
end