Class: Gem::Ext::ExtConfBuilder

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

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, 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, #verbose

Methods included from DefaultUserInteraction

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

Methods included from Text

#clean_text, #format_text, #levenshtein_distance, #min3, #truncate_text

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) ⇒ Object 



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
 
# File 'lib/rubygems/ext/ext_conf_builder.rb', line 11

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. However, on Ruby 1.9.x on Windows, relative
  # paths cause all C extension builds to fail.
  #
  # As such, we convert to a relative path unless we are using Ruby 1.9.x on
  # Windows. This means that when using Ruby 1.9.x on Windows, paths with
  # spaces do not work.
  #
  # Details: https://github.com/rubygems/rubygems/issues/977#issuecomment-171544940
  tmp_dest = get_relative_path(tmp_dest, extension_dir)

  Tempfile.open %w[siteconf .rb], extension_dir do |siteconf|
    siteconf.puts "require 'rbconfig'"
    siteconf.puts "dest_path = #{tmp_dest.dump}"
    %w[sitearchdir sitelibdir].each do |dir|
      siteconf.puts "RbConfig::MAKEFILE_CONFIG['#{dir}'] = dest_path"
      siteconf.puts "RbConfig::CONFIG['#{dir}'] = dest_path"
    end

    siteconf.close

    destdir = ENV["DESTDIR"]

    begin
      # workaround for https://github.com/oracle/truffleruby/issues/2115
      siteconf_path = RUBY_ENGINE == "truffleruby" ? siteconf.path.dup : siteconf.path
      cmd = Gem.ruby.shellsplit << "-I" << File.expand_path("../../..", __FILE__) <<
            "-r" << get_relative_path(siteconf_path, extension_dir) << File.basename(extension)
      cmd.push(*args)

      begin
        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
        siteconf.unlink
      end

      ENV["DESTDIR"] = nil

      make dest_path, results, extension_dir

      if tmp_dest
        full_tmp_dest = File.join(extension_dir, tmp_dest)

        # TODO remove in RubyGems 3
        if Gem.install_extension_in_lib and 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? or FileUtils.mv(ent.path, destent.path)
        end
      end
    ensure
      ENV["DESTDIR"] = destdir
      siteconf.close!
    end
  end

  results
ensure
  FileUtils.rm_rf tmp_dest if tmp_dest
end