Add cyclic dependency detection.develop

1 files changed, 5 insertions, 0 deletions

diff --git a/src/build.h b/src/build.h
index 500fb7f..7296f76 100644
--- a/src/build.h
+++ b/src/build.h
@@ -33,3 +33,8 @@ int build(const ctor::settings& settings,
           const std::vector<Target>& targets,
           const std::vector<std::shared_ptr<Task>>& all_tasks,
           bool dryrun = false);
+
+// Recursively build vector of dependency tasks from source task.
+// Throws if a cycle is detected.
+std::vector<std::shared_ptr<Task>> getDepTasks(std::shared_ptr<Task> task,
+                                               std::vector<std::shared_ptr<Task>> trace = {});