Class: RubyWasm::CrossRubyExtProduct

Inherits:
BuildProduct show all
Defined in:
lib/ruby_wasm/build/product/crossruby.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(srcdir, toolchain, features:, ext_relative_path: nil) ⇒ CrossRubyExtProduct

Returns a new instance of CrossRubyExtProduct.



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# File 'lib/ruby_wasm/build/product/crossruby.rb', line 8

def initialize(srcdir, toolchain, features:, ext_relative_path: nil)
  @srcdir, @toolchain = srcdir, toolchain
  # ext_relative_path is relative path from build dir
  # e.g. cgi-0.3.6/ext/cgi/escape
  @ext_relative_path = ext_relative_path || File.basename(srcdir)
  @features = features
  @name = @ext_relative_path
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/ruby_wasm/build/product/crossruby.rb', line 6

def name
  @name
end

Instance Method Details

#build(executor, crossruby, extra_mkargs = []) ⇒ Object 



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# File 'lib/ruby_wasm/build/product/crossruby.rb', line 45

def build(executor, crossruby, extra_mkargs = [])
  objdir = product_build_dir crossruby
  executor.mkdir_p objdir
  do_extconf executor, crossruby

  executor.system "make", "-C", objdir, *make_args(crossruby), "clean"
  build_target = crossruby.target.pic? ? "install-so" : "static"
  executor.system "make",
                  "-j#{executor.process_count}",
                  "-C",
                  "#{objdir}",
                  *make_args(crossruby),
                  build_target,
                  *extra_mkargs
  # A ext can provide link args by link.filelist. It contains only built archive file by default.
  unless File.exist?(linklist(crossruby))
    executor.write(
      linklist(crossruby),
      Dir.glob("#{objdir}/*.a").join("\n")
    )
  end
end

#cache_key(digest) ⇒ Object 



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# File 'lib/ruby_wasm/build/product/crossruby.rb', line 128

def cache_key(digest)
  digest << @name
  # Compute hash value of files under srcdir
  Dir
    .glob("#{@srcdir}/**/*", File::FNM_DOTMATCH)
    .each do |f|
      next if File.directory?(f)
      digest << f
      digest << File.read(f)
    end
end

#do_extconf(executor, crossruby) ⇒ Object 



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# File 'lib/ruby_wasm/build/product/crossruby.rb', line 68

def do_extconf(executor, crossruby)
  unless crossruby.target.pic?
    self.do_legacy_extconf(executor, crossruby)
    return
  end
  objdir = product_build_dir crossruby
  rbconfig_rb = crossruby.rbconfig_rb
  raise "rbconfig.rb not found" unless rbconfig_rb
  extconf_args = [
    "-C", objdir,
    "#{@srcdir}/extconf.rb",
    "--target-rbconfig=#{rbconfig_rb}",
  ]
  extconf_args << "--disable-component-model" unless @features.support_component_model?
  executor.system crossruby.baseruby_path, *extconf_args
end

#do_install_rb(executor, crossruby) ⇒ Object 



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# File 'lib/ruby_wasm/build/product/crossruby.rb', line 123

def do_install_rb(executor, crossruby)
  objdir = product_build_dir crossruby
  executor.system "make", "-C", objdir, *make_args(crossruby), "install-rb"
end

#do_legacy_extconf(executor, crossruby) ⇒ Object 



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# File 'lib/ruby_wasm/build/product/crossruby.rb', line 85

def do_legacy_extconf(executor, crossruby)
  objdir = product_build_dir crossruby
  source = crossruby.source
  extconf_args = [
    "-C", objdir,
    "--disable=gems",
    # HACK: top_srcdir is required to find ruby headers
    "-e",
    %Q($top_srcdir="#{source.src_dir}"),
    # HACK: extout is required to find config.h
    "-e",
    %Q($extout="#{crossruby.build_dir}/.ext"),
    # HACK: force static ext build by imitating extmk
    "-e",
    "$static = true; trace_var(:$static) {|v| $static = true }",
    # HACK: $0 should be extconf.rb path due to mkmf source file detection
    # and we want to insert some hacks before it. But -e and $0 cannot be
    # used together, so we rewrite $0 in -e.
    "-e",
    %Q($0="#{@srcdir}/extconf.rb"),
    "-e",
    %Q(require_relative "#{@srcdir}/extconf.rb"),
    # HACK: extract "$target" from extconf.rb to get a full target name
    # like "cgi/escape" instead of "escape"
    "-e",
    %Q(require "json"; File.write("#{metadata_json(crossruby)}", JSON.dump({target: $target}))),
    "-I#{crossruby.build_dir}",
    "--",
  ]
  extconf_args << "--disable-component-model" unless @features.support_component_model?
  # Clear RUBYOPT to avoid loading unrelated bundle setup
  executor.system crossruby.baseruby_path,
                  *extconf_args,
                  env: {
                    "RUBYOPT" => ""
                  }
end

#feature_name(crossruby) ⇒ Object 



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# File 'lib/ruby_wasm/build/product/crossruby.rb', line 29

def feature_name(crossruby)
  metadata = JSON.parse(File.read(metadata_json(crossruby)))
  metadata["target"]
end

#linklist(crossruby) ⇒ Object 



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# File 'lib/ruby_wasm/build/product/crossruby.rb', line 21

def linklist(crossruby)
  File.join(product_build_dir(crossruby), "link.filelist")
end

#make_args(crossruby) ⇒ Object 



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# File 'lib/ruby_wasm/build/product/crossruby.rb', line 34

def make_args(crossruby)
  make_args = []
  make_args << "CC=#{@toolchain.cc}"
  make_args << "CXX=#{@toolchain.cc}"
  make_args << "LD=#{@toolchain.ld}"
  make_args << "AR=#{@toolchain.ar}"
  make_args << "RANLIB=#{@toolchain.ranlib}"

  make_args
end

#metadata_json(crossruby) ⇒ Object 



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# File 'lib/ruby_wasm/build/product/crossruby.rb', line 25

def metadata_json(crossruby)
  File.join(product_build_dir(crossruby), "rbwasm.metadata.json")
end

#product_build_dir(crossruby) ⇒ Object 



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# File 'lib/ruby_wasm/build/product/crossruby.rb', line 17

def product_build_dir(crossruby)
  File.join(crossruby.ext_build_dir, @ext_relative_path)
end