Class: Gem::Ext::Builder
- Inherits:
-
Object
- Object
- Gem::Ext::Builder
- Includes:
- UserInteraction
- Defined in:
- lib/rubygems/ext/builder.rb
Direct Known Subclasses
Constant Summary collapse
- CHDIR_MUTEX =
The builder shells-out to run various commands after changing the directory. This means multiple installations cannot be allowed to build extensions in parallel as they may change each other’s directories leading to broken extensions or failed installations.
Mutex.new
Instance Attribute Summary collapse
-
#build_args ⇒ Object
:nodoc:.
Class Method Summary collapse
- .class_name ⇒ Object
- .make(dest_path, results) ⇒ Object
- .run(command, results, command_name = nil) {|status, results| ... } ⇒ Object
Instance Method Summary collapse
-
#build_error(output, backtrace = nil) ⇒ Object
Logs the build
output
, then raises Gem::Ext::BuildError. -
#build_extension(extension, dest_path) ⇒ Object
:nodoc:.
-
#build_extensions ⇒ Object
Builds extensions.
-
#builder_for(extension) ⇒ Object
Chooses the extension builder class for
extension
. -
#initialize(spec, build_args = spec.build_args) ⇒ Builder
constructor
Creates a new extension builder for
spec
. -
#write_gem_make_out(output) ⇒ Object
Writes
output
to gem_make.out in the extension install directory.
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
#initialize(spec, build_args = spec.build_args) ⇒ Builder
Creates a new extension builder for spec
. If the spec
does not yet have build arguments, saved, set build_args
which is an ARGV-style array.
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# File 'lib/rubygems/ext/builder.rb', line 106 def initialize(spec, build_args = spec.build_args) @spec = spec @build_args = build_args @gem_dir = spec.full_gem_path @ran_rake = false end |
Instance Attribute Details
#build_args ⇒ Object
:nodoc:
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# File 'lib/rubygems/ext/builder.rb', line 22 def build_args @build_args end |
Class Method Details
.class_name ⇒ Object
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# File 'lib/rubygems/ext/builder.rb', line 24 def self.class_name name =~ /Ext::(.*)Builder/ $1.downcase end |
.make(dest_path, results) ⇒ Object
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# File 'lib/rubygems/ext/builder.rb', line 29 def self.make(dest_path, results) unless File.exist? 'Makefile' raise Gem::InstallError, 'Makefile not found' 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 make_program = (/mswin/ =~ RUBY_PLATFORM) ? 'nmake' : 'make' end destdir = '"DESTDIR=%s"' % ENV['DESTDIR'] ['clean', '', 'install'].each do |target| # Pass DESTDIR via command line to override what's in MAKEFLAGS cmd = [ make_program, destdir, target ].join(' ').rstrip begin run(cmd, results, "make #{target}".rstrip) rescue Gem::InstallError raise unless target == 'clean' # ignore clean failure end end end |
.run(command, results, command_name = nil) {|status, results| ... } ⇒ Object
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# File 'lib/rubygems/ext/builder.rb', line 58 def self.run(command, results, command_name = nil) verbose = Gem.configuration.really_verbose begin rubygems_gemdeps, ENV['RUBYGEMS_GEMDEPS'] = ENV['RUBYGEMS_GEMDEPS'], nil if verbose puts("current directory: #{Dir.pwd}") p(command) end results << "current directory: #{Dir.pwd}" results << (command.respond_to?(:shelljoin) ? command.shelljoin : command) require "open3" output, status = Open3.capture2e(*command) if verbose puts output else results << output end rescue => error raise Gem::InstallError, "#{command_name || class_name} failed#{error.}" ensure ENV['RUBYGEMS_GEMDEPS'] = rubygems_gemdeps end unless status.success? results << "Building has failed. See above output for more information on the failure." if verbose end yield(status, results) if block_given? unless status.success? exit_reason = if status.exited? ", exit code #{status.exitstatus}" elsif status.signaled? ", uncaught signal #{status.termsig}" end raise Gem::InstallError, "#{command_name || class_name} failed#{exit_reason}" end end |
Instance Method Details
#build_error(output, backtrace = nil) ⇒ Object
Logs the build output
, then raises Gem::Ext::BuildError.
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# File 'lib/rubygems/ext/builder.rb', line 136 def build_error(output, backtrace = nil) # :nodoc: gem_make_out = write_gem_make_out output = <<-EOF ERROR: Failed to build gem native extension. #{output} Gem files will remain installed in #{@gem_dir} for inspection. Results logged to #{gem_make_out} EOF raise Gem::Ext::BuildError, , backtrace end |
#build_extension(extension, dest_path) ⇒ Object
:nodoc:
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# File 'lib/rubygems/ext/builder.rb', line 151 def build_extension(extension, dest_path) # :nodoc: results = [] builder = builder_for(extension) extension_dir = File. File.join(@gem_dir, File.dirname(extension)) lib_dir = File.join @spec.full_gem_path, @spec.raw_require_paths.first begin FileUtils.mkdir_p dest_path CHDIR_MUTEX.synchronize do pwd = Dir.getwd Dir.chdir extension_dir begin results = builder.build(extension, dest_path, results, @build_args, lib_dir) verbose { results.join("\n") } ensure begin Dir.chdir pwd rescue SystemCallError Dir.chdir dest_path end end end write_gem_make_out results.join "\n" rescue => e results << e. build_error(results.join("\n"), $@) end end |
#build_extensions ⇒ Object
Builds extensions. Valid types of extensions are extconf.rb files, configure scripts and rakefiles or mkrf_conf files.
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# File 'lib/rubygems/ext/builder.rb', line 191 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 = @spec.extension_dir FileUtils.rm_f @spec.gem_build_complete_path @spec.extensions.each do |extension| break if @ran_rake build_extension extension, dest_path end FileUtils.touch @spec.gem_build_complete_path end |
#builder_for(extension) ⇒ Object
Chooses the extension builder class for extension
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# File 'lib/rubygems/ext/builder.rb', line 117 def builder_for(extension) # :nodoc: case extension when /extconf/ then Gem::Ext::ExtConfBuilder when /configure/ then Gem::Ext::ConfigureBuilder when /rakefile/i, /mkrf_conf/i then @ran_rake = true Gem::Ext::RakeBuilder when /CMakeLists.txt/ then Gem::Ext::CmakeBuilder else build_error("No builder for extension '#{extension}'") end end |
#write_gem_make_out(output) ⇒ Object
Writes output
to gem_make.out in the extension install directory.
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# File 'lib/rubygems/ext/builder.rb', line 217 def write_gem_make_out(output) # :nodoc: destination = File.join @spec.extension_dir, 'gem_make.out' FileUtils.mkdir_p @spec.extension_dir File.open destination, 'wb' do |io| io.puts output end destination end |