Add clean_during_match*() functions

1 files changed, 16 insertions, 1 deletions

diff --git a/libbuild2/algorithm.hxx b/libbuild2/algorithm.hxx
index 779578e..5ebbee2 100644
--- a/libbuild2/algorithm.hxx
+++ b/libbuild2/algorithm.hxx
@@ -649,7 +649,8 @@ namespace build2
   //
   // Note that such a target must still be updated normally during the execute
   // phase in order to keep the dependency counts straight (at which point the
-  // target state/timestamp will be re-incorporated into the result).
+  // target state/timestamp will be re-incorporated into the result). Unless
+  // it was matched direct.
   //
   LIBBUILD2_SYMEXPORT bool
   update_during_match (tracer&,
@@ -669,6 +670,20 @@ namespace build2
     action, target&,
     uintptr_t mask = prerequisite_target::include_udm);
 
+  // Equivalent functions for clean. Note that if possible you should leave
+  // cleaning to normal execute and these functions should only be used in
+  // special cases where this is not possible.
+  //
+  LIBBUILD2_SYMEXPORT bool
+  clean_during_match (tracer&,
+                      action, const target&);
+
+  LIBBUILD2_SYMEXPORT bool
+  clean_during_match_prerequisites (
+    tracer&,
+    action, target&,
+    uintptr_t mask = prerequisite_target::include_udm);
+
   // The default prerequisite execute implementation. Call execute_async() on
   // each non-ignored (non-NULL) prerequisite target in a loop and then wait
   // for their completion. Return target_state::changed if any of them were