wait for in-progress subcommands to complete on build failure - close #39

build_tests/simple/wait_for_builds_on_failure.rb

@@ -0,0 +1,20 @@
+class Fail < Rscons::Builder
+  def run(options)
+    target, cache, env, vars = options.values_at(:target, :cache, :env, :vars)
+    wait_time = env.expand_varref("${wait_time}", vars)
+    ruby_command = %[sleep #{wait_time}; exit 2]
+    command = %W[ruby -e #{ruby_command}]
+    standard_threaded_build("Fail #{target}", target, command, [], env, cache)
+  end
+  def finalize(options)
+    standard_finalize(options)
+  end
+end
+
+Rscons::Environment.new do |env|
+  env.add_builder(Fail.new)
+  4.times do |i|
+    wait_time = i + 1
+    env.Fail("foo_#{wait_time}", [], "wait_time" => wait_time.to_s)
+  end
+end