Class: Ruby::Compiler

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby/compiler.rb,
lib/ruby/compiler/deps.rb,
lib/ruby/compiler/test.rb,
lib/ruby/compiler/error.rb,
lib/ruby/compiler/utils.rb,
lib/ruby/compiler/constants.rb

Defined Under Namespace

Modules: Utils Classes: Error, Test

Constant Summary collapse

VERSION = 
'0.1.1'
VENDOR_DIR = 
File.expand_path('../../../../vendor', __FILE__)
MEMFS = 
'/__enclose_io_memfs__'

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(entrance, options = {}) ⇒ Compiler

Returns a new instance of Compiler.



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# File 'lib/ruby/compiler.rb', line 58

def initialize(entrance, options = {})
  @entrance = entrance
  @options = options

  check_base_ruby_version!

  init_options
  init_entrance
  init_tmpdir

  init_gmp
  init_zlib
  init_yaml
  init_openssl
  init_squash
  init_gdbm

  init_ruby
end

Class Method Details

.peek_ruby_api_version ⇒ Object 



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# File 'lib/ruby/compiler.rb', line 37

def self.peek_ruby_api_version
  version_info = File.read(File.join(VENDOR_DIR, 'ruby/include/ruby/version.h'))
  versions = []
  if version_info =~ /RUBY_API_VERSION_MAJOR\s+(\d+)/
    versions << $1.dup
  else
    raise 'Cannot peek RUBY_API_VERSION_MAJOR'
  end
  if version_info =~ /RUBY_API_VERSION_MINOR\s+(\d+)/
    versions << $1.dup
  else
    raise 'Cannot peek RUBY_API_VERSION_MINOR'
  end
  if version_info =~ /RUBY_API_VERSION_TEENY\s+(\d+)/
    versions << $1.dup
  else
    raise 'Cannot peek RUBY_API_VERSION_TEENY'
  end
  versions.join('.')
end

.peek_ruby_version ⇒ Object 



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# File 'lib/ruby/compiler.rb', line 28

def self.peek_ruby_version
  version_info = File.read(File.join(VENDOR_DIR, 'ruby/version.h'))
  if version_info =~ /RUBY_VERSION\s+"([^"]+)"$/
    return $1.dup
  else
    raise 'Cannot peek RUBY_VERSION'
  end
end

.ruby_api_version ⇒ Object 



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# File 'lib/ruby/compiler.rb', line 20

def self.ruby_api_version
  @ruby_api_version ||= peek_ruby_api_version
end

.ruby_version ⇒ Object 



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# File 'lib/ruby/compiler.rb', line 24

def self.ruby_version
  @ruby_version ||= peek_ruby_version
end

Instance Method Details

#bundle_deploy ⇒ Object 



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# File 'lib/ruby/compiler.rb', line 231

def bundle_deploy
  Bundler.with_clean_env do
    @work_dir = File.join(@options[:tmpdir], '__work_dir__')
    STDERR.puts "-> FileUtils.rm_rf(#{@work_dir})"
    FileUtils.rm_rf(@work_dir)
    STDERR.puts "-> FileUtils.mkdir_p #{@work_dir}"
    FileUtils.mkdir_p(@work_dir)
    
    @work_dir_inner = File.join(@work_dir, '__enclose_io_memfs__')
    STDERR.puts "-> FileUtils.mkdir_p #{@work_dir_inner}"
    FileUtils.mkdir_p(@work_dir_inner)

    @work_dir_global = File.join(@work_dir_inner, '_global_')
    src_ruby_lib = File.join(@vendor_ruby, 'lib')
    STDERR.puts "-> FileUtils.mkdir_p(File.join(#{@work_dir_global}, 'lib/ruby'))"
    FileUtils.mkdir_p(File.join(@work_dir_global, 'lib/ruby'))
    dst_ruby_lib = File.join(@work_dir_global, "lib/ruby/#{self.class.ruby_api_version}")
    raise 'logic error' unless Dir.exist?(src_ruby_lib)
    STDERR.puts "-> FileUtils.cp_r(#{src_ruby_lib}, #{dst_ruby_lib})"
    FileUtils.cp_r(src_ruby_lib, dst_ruby_lib)
    
    src_ruby_extlib = File.join(@vendor_ruby, 'ext')
    Utils.chdir(src_ruby_extlib) do
      Dir['*/lib'].each do |libpath|
        Utils.chdir(libpath) do
          Dir["**/*.rb"].each do |path|
            dst = File.expand_path(File.dirname(path), dst_ruby_lib)
            FileUtils.mkdir_p(dst)
            FileUtils.cp(path, dst)
          end
        end
      end
    end
    
    src_rbconfig = File.join(@vendor_ruby, 'rbconfig.rb')
    STDERR.puts "-> FileUtils.cp(#{src_rbconfig}, #{dst_ruby_lib})"
    FileUtils.cp(src_rbconfig, dst_ruby_lib)

    @gems_dir = File.join(@work_dir_inner, '_gems_')
    STDERR.puts "-> FileUtils.rm_rf(#{@gems_dir})"
    FileUtils.rm_rf(@gems_dir)
    STDERR.puts "-> FileUtils.mkdir_p #{@gems_dir}"
    FileUtils.mkdir_p(@gems_dir)
    Dir["#{@vendor_ruby}/gems/*.gem"].each do |the_gem|
      Utils.run("gem install #{Shellwords.escape the_gem} --force --local --no-rdoc --no-ri --install-dir #{Shellwords.escape @gems_dir}")
    end
    dst = File.join(@gems_dir, 'specifications/default')
    FileUtils.mkdir_p(dst)
    Dir["#{@vendor_ruby}/ext/**/*.gemspec"].each do |the_gemspec|
      STDERR.puts "-> FileUtils.cp(#{the_gemspec}, #{dst})"
      FileUtils.cp(the_gemspec, dst)
    end

    Utils.chdir(@project_root) do
      gemspecs = Dir['./*.gemspec']
      if gemspecs.size > 0
        raise 'Multiple gemspecs detected' unless 1 == gemspecs.size
        @pre_prepare_dir = File.join(@options[:tmpdir], '__pre_prepare__')
        STDERR.puts "-> FileUtils.rm_rf(#{@pre_prepare_dir})"
        FileUtils.rm_rf(@pre_prepare_dir)
        STDERR.puts "-> FileUtils.cp_r(#{@project_root}, #{@pre_prepare_dir})"
        FileUtils.cp_r(@project_root, @pre_prepare_dir)
        Utils.chdir(@pre_prepare_dir) do
          STDERR.puts "-> Detected a RubyGem project, trying to build the gem first"
          STDERR.puts "-> FileUtils.rm_f('./*.gem')"
          FileUtils.rm_f('./*.gem')
          Utils.run("bundle")
          Utils.run("bundle exec gem build #{Shellwords.escape gemspecs.first}")
          gems = Dir['./*.gem']
          raise 'gem building failed' unless 1 == gems.size
          the_gem = gems.first
          Utils.run("gem install #{Shellwords.escape the_gem} --force --local --no-rdoc --no-ri --install-dir #{Shellwords.escape @gems_dir}")
          if File.exist?(File.join(@gems_dir, "bin/#{@entrance}"))
            @memfs_entrance = "#{MEMFS}/_gems_/bin/#{@entrance}"
          else
            Utils.chdir(File.join(@gems_dir, "bin")) do
              raise Error, "Cannot find entrance #{@entrance}, available entrances are #{ Dir['*'].join(', ') }."
            end
          end
        end
      else
        @work_dir_local = File.join(@work_dir_inner, '_local_')
        @chdir_at_startup = '/__enclose_io_memfs__/_local_'
        Utils.run("gem install #{Shellwords.escape @vendor_bundler} --force --local --no-rdoc --no-ri --install-dir #{Shellwords.escape @gems_dir}")
        STDERR.puts "-> FileUtils.cp_r(#{@project_root}, #{@work_dir_local})"
        FileUtils.cp_r(@project_root, @work_dir_local)
        Utils.chdir(@work_dir_local) do
          Utils.run('bundle install --deployment --binstubs')
          if File.exist?("bin/#{@entrance}")
            @memfs_entrance = "#{MEMFS}/_local_/bin/#{@entrance}"
          else
            Utils.chdir('bin') do
              raise Error, "Cannot find entrance #{@entrance}, available entrances are #{ Dir['*'].join(', ') }."
            end
          end
        end
        Utils.chdir(@work_dir_local) do
          STDERR.puts "-> FileUtils.rm_rf('.git')"
          FileUtils.rm_rf('.git')
        end
      end
      
      STDERR.puts "-> FileUtils.rm_rf(#{File.join(@gems_dir, 'cache')})"
      FileUtils.rm_rf(File.join(@gems_dir, 'cache'))
    end
  end
end

#check_base_ruby_version! ⇒ Object 



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# File 'lib/ruby/compiler.rb', line 117

def check_base_ruby_version!
  expectation = "ruby #{self.class.ruby_version}"
  got = `ruby -v`
  unless got.include?(expectation)
    msg  = "Please make sure to have installed the correct version of ruby in your environment\n"
    msg += "Expecting #{expectation}; yet got #{got}"
    raise Error, msg
  end
end

#compile_gdbm ⇒ Object 



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# File 'lib/ruby/compiler/deps.rb', line 122

def compile_gdbm
  Utils.chdir(@vendor_gdbm_dir) do
    Utils.run("./configure --enable-static --prefix=#{Shellwords.escape @vendor_gdbm_build_dir}")
    Utils.run("make #{@options[:make_args]}")
    Utils.run('make install')
    Utils.remove_dynamic_libs(@vendor_gdbm_build_dir)
    Utils.copy_static_libs(File.join(@vendor_gdbm_build_dir, 'lib'), @vendor_ruby)
  end
end

#compile_gmp ⇒ Object 



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# File 'lib/ruby/compiler/deps.rb', line 18

def compile_gmp
  Utils.chdir(@vendor_gmp_dir) do
    Utils.run("./configure --prefix=#{Shellwords.escape @vendor_gmp_build_dir}")
    Utils.run("make #{@options[:make_args]}")
    Utils.run('make install')
    Utils.remove_dynamic_libs(@vendor_gmp_build_dir)
    Utils.copy_static_libs(File.join(@vendor_gmp_build_dir, 'lib'), @vendor_ruby)
  end
end

#compile_openssl ⇒ Object 



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# File 'lib/ruby/compiler/deps.rb', line 77

def compile_openssl
  Utils.chdir(@vendor_openssl_dir) do
    if Gem.win_platform?
      Utils.run("perl Configure --prefix=#{Shellwords.escape @vendor_openssl_build_dir} VC-WIN64A")
      Utils.run("nmake #{@options[:nmake_args]}")
      Utils.run("nmake install")
    else
      Utils.run("./config --prefix=#{Shellwords.escape @vendor_openssl_build_dir}")
      Utils.run("make #{@options[:make_args]}")
      Utils.run('make install')
    end
    Utils.remove_dynamic_libs(@vendor_openssl_build_dir)
    Utils.copy_static_libs(File.join(@vendor_openssl_build_dir, 'lib'), @vendor_ruby)
  end
end

#compile_squash ⇒ Object 



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# File 'lib/ruby/compiler/deps.rb', line 103

def compile_squash
  Utils.chdir(@vendor_squash_build_dir) do
    # TODO ZLIB_LIBRARY_DEBUG:FILEPATH and ZLIB_LIBRARY_RELEASE:FILEPATH
    Utils.run("cmake -DZLIB_INCLUDE_DIR:PATH=#{Shellwords.escape @vendor_zlib_build_include_dir} -DZLIB_LIBRARY_RELEASE:FILEPATH=#{Shellwords.escape @vendor_zlib_build_zlibfile} ..")
    Utils.run("cmake --build .")
    Utils.remove_dynamic_libs(@vendor_squash_build_dir)
    Utils.copy_static_libs(@vendor_squash_build_dir, @vendor_ruby)
  end
end

#compile_yaml ⇒ Object 



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# File 'lib/ruby/compiler/deps.rb', line 58

def compile_yaml
  Utils.chdir(@vendor_yaml_dir) do
    Utils.run("./configure --enable-static --prefix=#{Shellwords.escape @vendor_yaml_build_dir}")
    Utils.run("make #{@options[:make_args]}")
    Utils.run('make install')
    Utils.remove_dynamic_libs(@vendor_yaml_build_dir)
    Utils.copy_static_libs(File.join(@vendor_yaml_build_dir, 'lib'), @vendor_ruby)
  end
end

#compile_zlib ⇒ Object 



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# File 'lib/ruby/compiler/deps.rb', line 39

def compile_zlib
  Utils.chdir(@vendor_zlib_dir) do
    Utils.run("./configure --static --prefix=#{Shellwords.escape @vendor_zlib_build_dir}")
    Utils.run("make #{@options[:make_args]}")
    Utils.run('make install')
    Utils.remove_dynamic_libs(@vendor_zlib_build_dir)
    Utils.copy_static_libs(File.join(@vendor_zlib_build_dir, 'lib'), @vendor_ruby)
  end
end

#init_entrance ⇒ Object 



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# File 'lib/ruby/compiler.rb', line 87

def init_entrance
  if @options[:project_root]
    @project_root = File.expand_path(@options[:project_root])
  else
    @project_root = Dir.pwd
  end
  unless File.exist?(File.expand_path('./Gemfile', @project_root))
    raise Error, "Cannot find a Gemfile at the project root #{@project_root}"
  end
end

#init_gdbm ⇒ Object 



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# File 'lib/ruby/compiler/deps.rb', line 113

def init_gdbm
  @vendor_gdbm_dir = File.join @options[:tmpdir], 'gdbm'
  raise "#{@vendor_gdbm_dir} does not exist" unless Dir.exist?(@vendor_gdbm_dir)
  @vendor_gdbm_build_dir = File.join(@vendor_gdbm_dir, 'build')
  STDERR.puts "-> FileUtils.mkdir_p #{@vendor_gdbm_build_dir}"
  FileUtils.mkdir_p(@vendor_gdbm_build_dir)
  raise "#{@vendor_gdbm_build_dir} does not exist" unless Dir.exist?(@vendor_gdbm_build_dir)
end

#init_gmp ⇒ Object 



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# File 'lib/ruby/compiler/deps.rb', line 9

def init_gmp
  @vendor_gmp_dir = File.join(@options[:tmpdir], 'gmp')
  raise "#{@vendor_gmp_dir} does not exist" unless Dir.exist?(@vendor_gmp_dir)
  @vendor_gmp_build_dir = File.join(@vendor_gmp_dir, 'build')
  STDERR.puts "-> FileUtils.mkdir_p #{@vendor_gmp_build_dir}"
  FileUtils.mkdir_p(@vendor_gmp_build_dir)
  raise "#{@vendor_gmp_build_dir} does not exist" unless Dir.exist?(@vendor_gmp_build_dir)
end

#init_openssl ⇒ Object 



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# File 'lib/ruby/compiler/deps.rb', line 68

def init_openssl
  @vendor_openssl_dir = File.join @options[:tmpdir], 'openssl'
  raise "#{@vendor_openssl_dir} does not exist" unless Dir.exist?(@vendor_openssl_dir)
  @vendor_openssl_build_dir = File.join(@vendor_openssl_dir, 'build')
  STDERR.puts "-> FileUtils.mkdir_p #{@vendor_openssl_build_dir}"
  FileUtils.mkdir_p(@vendor_openssl_build_dir)
  raise "#{@vendor_openssl_build_dir} does not exist" unless Dir.exist?(@vendor_openssl_build_dir)
end

#init_options ⇒ Object 



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# File 'lib/ruby/compiler.rb', line 78

def init_options
  if Gem.win_platform?
    @options[:output] ||= 'a.exe'
  else
    @options[:output] ||= 'a.out'
  end
  @options[:output] = File.expand_path(@options[:output])
end

#init_ruby ⇒ Object 



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# File 'lib/ruby/compiler.rb', line 110

def init_ruby
  @vendor_ruby_build_dir = File.join(@vendor_ruby, 'build')
  STDERR.puts "-> FileUtils.mkdir_p #{@vendor_ruby_build_dir}"
  FileUtils.mkdir_p(@vendor_ruby_build_dir)
  raise "#{@vendor_ruby_build_dir} does not exist" unless Dir.exist?(@vendor_ruby_build_dir)
end

#init_squash ⇒ Object 



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# File 'lib/ruby/compiler/deps.rb', line 93

def init_squash
  @vendor_squash_dir = File.join @options[:tmpdir], 'squash'
  raise "#{@vendor_squash_dir} does not exist" unless Dir.exist?(@vendor_squash_dir)
  @vendor_squash_include_dir = File.join(@vendor_squash_dir, 'include')
  @vendor_squash_build_dir = File.join(@vendor_squash_dir, 'build')
  STDERR.puts "-> FileUtils.mkdir_p #{@vendor_squash_build_dir}"
  FileUtils.mkdir_p(@vendor_squash_build_dir)
  raise "#{@vendor_squash_build_dir} does not exist" unless Dir.exist?(@vendor_squash_build_dir)
end

#init_tmpdir ⇒ Object 



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# File 'lib/ruby/compiler.rb', line 98

def init_tmpdir
  @options[:tmpdir] ||= File.expand_path("rubyc", Dir.tmpdir)
  @options[:tmpdir] = File.expand_path(@options[:tmpdir])
  if @options[:tmpdir].include? @project_root
    raise Error, "Tempdir #{@options[:tmpdir]} cannot reside inside the project root #{@project_root}."
  end

  Utils.prepare_tmpdir(@options[:tmpdir])
  @vendor_ruby = File.join(@options[:tmpdir], 'ruby')
  @vendor_bundler = File.join(@options[:tmpdir], 'bundler-1.13.7.gem')
end

#init_yaml ⇒ Object 



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# File 'lib/ruby/compiler/deps.rb', line 49

def init_yaml
  @vendor_yaml_dir = File.join @options[:tmpdir], 'yaml'
  raise "#{@vendor_yaml_dir} does not exist" unless Dir.exist?(@vendor_yaml_dir)
  @vendor_yaml_build_dir = File.join(@vendor_yaml_dir, 'build')
  STDERR.puts "-> FileUtils.mkdir_p #{@vendor_yaml_build_dir}"
  FileUtils.mkdir_p(@vendor_yaml_build_dir)
  raise "#{@vendor_yaml_build_dir} does not exist" unless Dir.exist?(@vendor_yaml_build_dir)
end

#init_zlib ⇒ Object 



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# File 'lib/ruby/compiler/deps.rb', line 28

def init_zlib
  @vendor_zlib_dir = File.join @options[:tmpdir], 'zlib'
  raise "#{@vendor_zlib_dir} does not exist" unless Dir.exist?(@vendor_zlib_dir)
  @vendor_zlib_build_dir = File.join(@vendor_zlib_dir, 'build')
  STDERR.puts "-> FileUtils.mkdir_p #{@vendor_zlib_build_dir}"
  FileUtils.mkdir_p(@vendor_zlib_build_dir)
  raise "#{@vendor_zlib_build_dir} does not exist" unless Dir.exist?(@vendor_zlib_build_dir)
  @vendor_zlib_build_include_dir = File.join(@vendor_zlib_build_dir, 'include')
  @vendor_zlib_build_zlibfile = File.join(@vendor_zlib_build_dir, 'lib/libz.a')
end

#make_enclose_io_memfs ⇒ Object 



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# File 'lib/ruby/compiler.rb', line 339

def make_enclose_io_memfs
  Utils.chdir(@vendor_ruby) do
    FileUtils.rm_f('enclose_io/memfs.squashfs')
    FileUtils.rm_f('enclose_io/memfs.c')
    Utils.run("mksquashfs -version")
    Utils.run("mksquashfs #{Shellwords.escape @work_dir} enclose_io/memfs.squashfs")
    bytes = IO.binread('enclose_io/memfs.squashfs').bytes
    # TODO slow operation
    # remember to change vendor/ruby/enclose_io/memfs.c as well
    File.open("enclose_io/memfs.c", "w") do |f|
      f.puts '#include <stdint.h>'
      f.puts '#include <stddef.h>'
      f.puts ''
      f.puts "const uint8_t enclose_io_memfs[#{bytes.size}] = { #{bytes[0]}"
      i = 1
      while i < bytes.size
        f.print ','
        f.puts bytes[(i)..(i + 100)].join(',')
        i += 101
      end
      f.puts '};'
      f.puts ''
    end
    # TODO slow operation
    Utils.run("cc -c enclose_io/memfs.c -o enclose_io/memfs.o")
    raise 'logic error' unless File.exist?('enclose_io/memfs.o')
  end
end

#make_enclose_io_vars ⇒ Object 



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# File 'lib/ruby/compiler.rb', line 368

def make_enclose_io_vars
  Utils.chdir(@vendor_ruby) do
    entrances = @entrance.split
    File.open("include/enclose_io.h", "w") do |f|
      # remember to change vendor/ruby/include/enclose_io.h as well
      # might need to remove some object files at the 2nd pass
      f.puts '#ifndef ENCLOSE_IO_H_999BC1DA'
      f.puts '#define ENCLOSE_IO_H_999BC1DA'
      f.puts ''
      f.puts '#include "enclose_io_common.h"'
      f.puts '#include "enclose_io_intercept.h"'
      f.puts ''
      f.puts "#define ENCLOSE_IO_CHDIR_AT_STARTUP #{@chdir_at_startup.inspect}" if @chdir_at_startup
      f.puts %Q!
#define ENCLOSE_IO_ENTRANCE do { \\\n\
		new_argv = malloc( (argc + 1 + 1) * sizeof(char *)); \\\n\
		assert(new_argv); \\\n\
		new_argv[0] = argv[0]; \\\n\
		new_argv[1] = #{@memfs_entrance.inspect}; \\\n\
		for (size_t i = 1; i < argc; ++i) { \\\n\
			new_argv[2 + i - 1] = argv[i]; \\\n\
		} \\\n\
		new_argc = argc + 1; \\\n\
		new_argv[new_argc] = ""; \\\n\
	} while(0)
      !.strip
      f.puts '#endif'
      f.puts ''
    end
  end
end

#prepare! ⇒ Object 



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# File 'lib/ruby/compiler.rb', line 222

def prepare!
  compile_gmp
  compile_zlib
  compile_yaml
  compile_openssl
  compile_squash
  compile_gdbm
end

#prepared? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruby/compiler.rb', line 202

def prepared?
  ret = false
  Utils.chdir(@vendor_ruby) do
    if Gem.win_platform?
      # TODO
    else
      ret = %w{
        libcrypto.a
        libgmp.a
        libssl.a
        libyaml.a
        libz.a
        libsquash.a
        libgdbm.a
      }.map { |x| File.exist?(x) }.reduce(true) { |m,o| m && o }
    end
  end
  ret
end

#run! ⇒ Object 



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# File 'lib/ruby/compiler.rb', line 127

def run!
  prepare! unless prepared?
  raise 'Unable to prepare for Ruby compilations' unless prepared?
  Utils.chdir(@vendor_ruby) do
    sep = Gem.win_platform? ? ';' : ':'
    compile_env = {
                    'ENCLOSE_IO_USE_ORIGINAL_RUBY' => '1',
                    'PKG_CONFIG_PATH' => "#{File.join @vendor_openssl_build_dir, 'lib/pkgconfig'}#{sep}#{File.join @vendor_yaml_build_dir, 'lib/pkgconfig'}#{sep}#{File.join @vendor_zlib_build_dir, 'lib/pkgconfig'}",
                    'LDFLAGS' => "-L.",
                    'CFLAGS' => "-I#{Shellwords.escape @vendor_squash_include_dir}",
                  }
    # enclose_io/memfs.o - 1st pass
    STDERR.puts "-> FileUtils.cp(#{File.join(VENDOR_DIR, 'ruby/enclose_io/memfs.c')}, #{'enclose_io/memfs.c'})"
    FileUtils.cp(File.join(VENDOR_DIR, 'ruby/enclose_io/memfs.c'), 'enclose_io/memfs.c')
    STDERR.puts "-> FileUtils.cp(#{File.join(VENDOR_DIR, 'ruby/include/enclose_io.h')}, #{'include/enclose_io.h'})"
    FileUtils.cp(File.join(VENDOR_DIR, 'ruby/include/enclose_io.h'), 'include/enclose_io.h')
    Utils.run("cc #{compile_env['CFLAGS']} -c enclose_io/memfs.c -o enclose_io/memfs.o")
    Utils.run("cc #{compile_env['CFLAGS']} -Iinclude -c enclose_io/intercept.c -o enclose_io/intercept.o")
    raise 'enclose_io/memfs error' unless File.exist?('enclose_io/memfs.o')
    raise 'enclose_io/intercept error' unless File.exist?('enclose_io/intercept.o')
    if Gem.win_platform?
      Utils.run(compile_env, "call win32\\configure.bat                                              \
                              --prefix=#{Shellwords.escape @vendor_ruby_build_dir}              \
                              --enable-debug-env \
                              --disable-install-doc                                             \
                              --with-static-linked-ext                                          \
                              --with-gmp-dir=#{Shellwords.escape @vendor_gmp_build_dir}             \
                              --with-zlib-dir=#{Shellwords.escape @vendor_zlib_build_dir}             \
                              --with-libyaml-dir=#{Shellwords.escape @vendor_yaml_build_dir}             \
                              --with-openssl-dir=#{Shellwords.escape @vendor_openssl_build_dir}")
      Utils.run(compile_env, "nmake #{@options[:nmake_args]}")
      STDERR.puts "-> FileUtils.rm('ruby.exe')"
      FileUtils.rm('ruby.exe')
      STDERR.puts "-> FileUtils.rm('enclose_io/memfs.o')"
      FileUtils.rm('enclose_io/memfs.o')
      STDERR.puts "-> FileUtils.rm('main.o')"
      FileUtils.rm('main.o')
      # enclose_io/memfs.o - 2nd pass
      bundle_deploy
      make_enclose_io_memfs
      make_enclose_io_vars
      Utils.run(compile_env, "nmake #{@options[:nmake_args]}")
      STDERR.puts "-> FileUtils.cp('ruby.exe', #{@options[:output]})"
      FileUtils.cp('ruby.exe', @options[:output])
    else
      Utils.run(compile_env, "./configure                                                           \
                             --prefix=#{Shellwords.escape @vendor_ruby_build_dir}              \
                             --with-out-ext=bigdecimal \
                             --enable-debug-env \
                             --with-sitearchdir=no \
                             --with-vendordir=no \
                             --disable-install-rdoc                                            \
                             --with-static-linked-ext                                          \
                             --with-gmp-dir=#{Shellwords.escape @vendor_gmp_build_dir}             \
                             --with-zlib-dir=#{Shellwords.escape @vendor_zlib_build_dir}             \
                             --with-libyaml-dir=#{Shellwords.escape @vendor_yaml_build_dir}             \
                             --with-openssl-dir=#{Shellwords.escape @vendor_openssl_build_dir} ")
      Utils.run(compile_env, "make #{@options[:make_args]}")
      STDERR.puts "-> FileUtils.rm('ruby')"
      FileUtils.rm('ruby')
      STDERR.puts "-> FileUtils.rm('enclose_io/memfs.o')"
      FileUtils.rm('enclose_io/memfs.o')
      STDERR.puts "-> FileUtils.rm('main.o')"
      FileUtils.rm('main.o')
      # enclose_io/memfs.o - 2nd pass
      bundle_deploy
      make_enclose_io_memfs
      make_enclose_io_vars
      Utils.run(compile_env, "make #{@options[:make_args]}")
      STDERR.puts "-> FileUtils.cp('ruby', #{@options[:output]})"
      FileUtils.cp('ruby', @options[:output])
    end
  end
end