diff options
Diffstat (limited to 'libbuild2/algorithm.hxx')
| -rw-r--r-- | libbuild2/algorithm.hxx | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/libbuild2/algorithm.hxx b/libbuild2/algorithm.hxx index b472603..00d4fdd 100644 --- a/libbuild2/algorithm.hxx +++ b/libbuild2/algorithm.hxx @@ -678,8 +678,8 @@ namespace build2 // case if they are up to something tricky (like recursively linking liba{} // prerequisites). // - // Note that because we use mtime, this function should normally only be - // used in the perform_update action (which is straight). + // Note that because we use mtime, this function can only be used for the + // perform_update action. // using execute_filter = function<bool (const target&, size_t pos)>; @@ -689,6 +689,18 @@ namespace build2 const execute_filter& = nullptr, size_t count = 0); + // As above, but execute prerequisites in reverse. + // + // Sometime it may be advantageous to execute prerequisites in reverse, for + // example, to have more immediate incremental compilation or more accurate + // progress. See cc::link_rule for background. + // + optional<target_state> + reverse_execute_prerequisites (action, const target&, + const timestamp&, + const execute_filter& = nullptr, + size_t count = 0); + // Another version of the above that does two extra things for the caller: // it determines whether the action needs to be executed on the target based // on the passed timestamp and finds a prerequisite of the specified type |