Gem::Ext::Builder

Public Class Methods

class_name() click to toggle source

 
               # File rubygems/ext/builder.rb, line 24
def self.class_name
  name =~ /Ext::(.*)Builder/
  $1.downcase
end

make(dest_path, results) click to toggle source

 
               # File rubygems/ext/builder.rb, line 29
def self.make(dest_path, results)
  unless File.exist? 'Makefile' then
    raise Gem::InstallError, "Makefile not found:\n\n#{results.join "\n"}"
  end

  # try to find make program from Ruby configure arguments first
  RbConfig::CONFIG['configure_args'] =~ /with-make-prog\=(\w+)/
  make_program = ENV['MAKE'] || ENV['make'] || $1
  unless make_program then
    make_program = (/mswin/ =~ RUBY_PLATFORM) ? 'nmake' : 'make'
  end

  destdir = '"DESTDIR=%s"' % ENV['DESTDIR'] if RUBY_VERSION > '2.0'

  ['', 'install'].each do |target|
    # Pass DESTDIR via command line to override what's in MAKEFLAGS
    cmd = [
      make_program,
      destdir,
      target
    ].join(' ').rstrip
    run(cmd, results, "make #{target}".rstrip)
  end
end

new(spec, build_args) click to toggle source

Creates a new extension builder for spec using the given build_args. The gem for spec is unpacked in gem_dir.

 
               # File rubygems/ext/builder.rb, line 85
def initialize spec, build_args
  @spec       = spec
  @build_args = build_args
  @gem_dir    = spec.gem_dir

  @ran_rake   = nil
end

redirector() click to toggle source

 
               # File rubygems/ext/builder.rb, line 54
def self.redirector
  '2>&1'
end

run(command, results, command_name = nil) click to toggle source

 
               # File rubygems/ext/builder.rb, line 58
def self.run(command, results, command_name = nil)
  verbose = Gem.configuration.really_verbose

  begin
    # TODO use Process.spawn when ruby 1.8 support is dropped.
    rubygems_gemdeps, ENV['RUBYGEMS_GEMDEPS'] = ENV['RUBYGEMS_GEMDEPS'], nil
    if verbose
      puts(command)
      system(command)
    else
      results << command
      results << %x#{command} #{redirector}`
    end
  ensure
    ENV['RUBYGEMS_GEMDEPS'] = rubygems_gemdeps
  end

  unless $?.success? then
    results << "Building has failed. See above output for more information on the failure." if verbose
    raise Gem::InstallError, "#{command_name || class_name} failed:\n\n#{results.join "\n"}"
  end
end

Public Instance Methods

build_extensions() click to toggle source

Builds extensions. Valid types of extensions are extconf.rb files, configure scripts and rakefiles or mkrf_conf files.

 
               # File rubygems/ext/builder.rb, line 163
def build_extensions
  return if @spec.extensions.empty?

  if @build_args.empty?
    say "Building native extensions.  This could take a while..."
  else
    say "Building native extensions with: '#{@build_args.join ' '}'"
    say "This could take a while..."
  end

  dest_path = File.join @gem_dir, @spec.require_paths.first

  @ran_rake = false # only run rake once

  @spec.extensions.each do |extension|
    break if @ran_rake

    build_extension extension, dest_path
  end
end

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Gem::Ext::Builder

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