Gem::Ext::CargoBuilder#cargo_dylib_path

# File tmp/rubies/ruby-4.0.0/lib/rubygems/ext/cargo_builder.rb, line 193
def cargo_dylib_path(dest_path, crate_name)
  so_ext = RbConfig::CONFIG["SOEXT"]
  prefix = so_ext == "dll" ? "" : "lib"
  path_parts = [dest_path]
  path_parts << ENV["CARGO_BUILD_TARGET"] if ENV["CARGO_BUILD_TARGET"]
  path_parts += ["release", "#{prefix}#{crate_name}.#{so_ext}"]
  File.join(*path_parts)
end