Configure/disfigure src_root saving/removing support; fsdir{} injection

We can now build out-of-tree.

1 files changed, 7 insertions, 0 deletions

diff --git a/build/algorithm b/build/algorithm
index a272a4c..c056d57 100644
--- a/build/algorithm
+++ b/build/algorithm
@@ -37,6 +37,13 @@ namespace build
   void
   search_and_match (action, target&, const path& dir);
 
+  // Inject dependency on the parent directory fsdir{}, unless it is
+  // the project's out_root (or is outside of any project; think, for
+  // example, install directories).
+  //
+  void
+  inject_parent_fsdir (action, target&);
+
   // Execute the action on target, assuming a rule has been matched
   // and the recipe for this action has been set.
   //