Drop support for 5-argument form of Builder#run - #84

build_tests/typical/backward_compatible_build_hooks.rb

@@ -1,5 +1,6 @@
 class MyObject < Rscons::Builder
-  def run(target, sources, cache, env, vars)
+  def run(options)
+    target, sources, cache, env, vars = options.values_at(:target, :sources, :cache, :env, :vars)
     env.run_builder(env.builders["Object"].new(target: target, sources: sources, cache: cache, env: env, vars: vars), target, sources, cache, vars)
   end
 end