Gem::Ext::CmakeBuilder#build

# File tmp/rubies/ruby-4.1.0-preview1/lib/rubygems/ext/cmake_builder.rb, line 39
def build(extension, dest_path, results, args = [], lib_dir = nil, cmake_dir = Dir.pwd,
  target_rbconfig = Gem.target_rbconfig, n_jobs: nil)
  if target_rbconfig.path
    warn "--target-rbconfig is not yet supported for CMake extensions. Ignoring"
  end

  # Figure the build dir
  build_dir = File.join(cmake_dir, "build")

  # Check if the gem defined presets
  check_presets(cmake_dir, args, results)

  # Configure
  configure(cmake_dir, build_dir, dest_path, args, results)

  # Compile
  compile(cmake_dir, build_dir, args, results)

  results
end