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-rw-r--r--build/algorithm29
1 files changed, 21 insertions, 8 deletions
diff --git a/build/algorithm b/build/algorithm
index 2547466..1cfd15b 100644
--- a/build/algorithm
+++ b/build/algorithm
@@ -60,25 +60,38 @@ namespace build
void
match (action, target&);
- // The default prerequisite search and match implementation. It calls
+ // The standard prerequisite search and match implementations. They call
+ // search_and_match_*() versions below passing non-empty directory for
+ // the clean operation.
+ //
+ void
+ search_and_match_prerequisites (action, target&);
+
+ // If we are cleaning, this function doesn't go into group members,
+ // as an optimization (the group should clean everything up).
+ //
+ void
+ search_and_match_prerequisite_members (action, target&);
+
+ // The actual prerequisite search and match implementations. They call
// search() and then match() for each prerequisite in a loop. If this
- // target is a member of a group, then it first does this to the group's
+ // target is a member of a group, then they first do this to the group's
// prerequisites.
//
+ // If the directory argument is not empty, then they ignore (do not
+ // match) prerequisites that are not in the same or its subdirectory.
+ //
void
- search_and_match (action, target&);
+ search_and_match_prerequisites (action, target&, const dir_path&);
- // As above but ignores (does not match) prerequisites that are not
- // in the same or a subdirectory of dir.
- //
void
- search_and_match (action, target&, const dir_path&);
+ search_and_match_prerequisite_members (action, target&, const dir_path&);
// Unless already available, match, and, if necessary, execute
// the group in order to obtain its members list.
//
group_view
- resolve_group_members (action, target_group&);
+ resolve_group_members (action, target&);
// Inject dependency on the parent directory's fsdir{}, unless it is
// the project's out_root (or is outside of any project; say, for