From eace8edd98fe684e4631d9afb9be76ad3081f746 Mon Sep 17 00:00:00 2001 From: Boris Kolpackov Date: Fri, 28 Jul 2017 09:54:39 +0200 Subject: Fix bug in target_count logic --- build2/algorithm.cxx | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'build2/algorithm.cxx') diff --git a/build2/algorithm.cxx b/build2/algorithm.cxx index e702836..fa9787b 100644 --- a/build2/algorithm.cxx +++ b/build2/algorithm.cxx @@ -840,7 +840,13 @@ namespace build2 ts = t.recipe_ (a, t); - target_count.fetch_sub (1, memory_order_relaxed); + // Decrement the target count (see target::recipe() for details). + // + { + recipe_function** f (t.recipe_.target ()); + if (f == nullptr || *f != &group_action) + target_count.fetch_sub (1, memory_order_relaxed); + } // See the recipe documentation for details on what's going on here. // Note that if the result is group, then the group's state can be -- cgit v1.1