diff options
| author | Boris Kolpackov <boris@codesynthesis.com> | 2015-03-13 14:34:24 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2015-03-13 14:34:24 +0200 |
| commit | ca41ca8f9a6b21588248e5fee1a013363f3f52a8 (patch) | |
| tree | 6e791ddac1c6f794273a9701c0c7f1bc9ec3d000 /build/target | |
| parent | 0cee33621a93d3348a1bf19a0c94441b717cbcbc (diff) | |
Add support for "first" and "last" execution modes
Diffstat (limited to 'build/target')
| -rw-r--r-- | build/target | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/build/target b/build/target index 3d395d4..4405104 100644 --- a/build/target +++ b/build/target @@ -56,8 +56,11 @@ namespace build using recipe = std::function<recipe_function>; // Commonly-used recipes. The default recipe executes the action - // on all the prerequisites in a loop, skipping ignored (see the - // execute_prerequisites() in <algorithm> for details). + // on all the prerequisites in a loop, skipping ignored. Specially, + // for actions with the "first" execution mode, it calls + // execute_prerequisites() while for those with the "last" mode -- + // reverse_execute_prerequisites(); see <operation>, <algorithm> + // for details. // extern const recipe empty_recipe; extern const recipe noop_recipe; @@ -110,7 +113,7 @@ namespace build // action. It is incremented during the match phase and then decremented // during execution, before running the recipe. As a result, the recipe // can detect the last chance (i.e., last dependent) to execute the - // command (see alsoe first/last execution modes in <operation>). + // command (see also the first/last execution modes in <operation>). // // Note that setting a new recipe (which happens when we match the rule // and which in turn is triggered by the first dependent) clears this |