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builder.rb
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# frozen_string_literal: true #-- # Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others. # All rights reserved. # See LICENSE.txt for permissions. #++ require_relative '../user_interaction' class Gem::Ext::Builder include Gem::UserInteraction attr_accessor :build_args # :nodoc: def self.class_name name =~ /Ext::(.*)Builder/ $1.downcase end def self.make(dest_path, results, make_dir = Dir.pwd) unless File.exist? File.join(make_dir, '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_name = ENV['MAKE'] || ENV['make'] || $1 unless make_program_name make_program_name = (/mswin/ =~ RUBY_PLATFORM) ? 'nmake' : 'make' end make_program = Shellwords.split(make_program_name) # The installation of the bundled gems is failed when DESTDIR is empty in mswin platform. destdir = (/\bnmake/i !~ make_program_name || ENV['DESTDIR'] && ENV['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, ].reject(&:empty?) begin run(cmd, results, "make #{target}".rstrip, make_dir) rescue Gem::InstallError raise unless target == 'clean' # ignore clean failure end end end def self.run(command, results, command_name = nil, dir = Dir.pwd) verbose = Gem.configuration.really_verbose begin rubygems_gemdeps, ENV['RUBYGEMS_GEMDEPS'] = ENV['RUBYGEMS_GEMDEPS'], nil if verbose puts("current directory: #{dir}") p(command) end results << "current directory: #{dir}" require "shellwords" results << command.shelljoin require "open3" # Set $SOURCE_DATE_EPOCH for the subprocess. env = {'SOURCE_DATE_EPOCH' => Gem.source_date_epoch_string} output, status = Open3.capture2e(env, *command, :chdir => dir) if verbose puts output else results << output end rescue => error raise Gem::InstallError, "#{command_name || class_name} failed#{error.message}" 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 ## # 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. def initialize(spec, build_args = spec.build_args) @spec = spec @build_args = build_args @gem_dir = spec.full_gem_path @ran_rake = false end ## # Chooses the extension builder class for +extension+ 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 ## # Logs the build +output+, then raises Gem::Ext::BuildError. def build_error(output, backtrace = nil) # :nodoc: gem_make_out = write_gem_make_out output message = <<-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, message, backtrace end def build_extension(extension, dest_path) # :nodoc: results = [] builder = builder_for(extension) extension_dir = File.expand_path 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 results = builder.build(extension, dest_path, results, @build_args, lib_dir, extension_dir) verbose { results.join("\n") } write_gem_make_out results.join "\n" rescue => e results << e.message build_error(results.join("\n"), $@) end end ## # Builds extensions. Valid types of extensions are extconf.rb files, # configure scripts and rakefiles or mkrf_conf files. 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 require "fileutils" 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 ## # Writes +output+ to gem_make.out in the extension install directory. 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 end