diff options
Diffstat (limited to 'libbuild2/recipe.hxx')
| -rw-r--r-- | libbuild2/recipe.hxx | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/libbuild2/recipe.hxx b/libbuild2/recipe.hxx index 508c059..dfe36ec 100644 --- a/libbuild2/recipe.hxx +++ b/libbuild2/recipe.hxx @@ -27,13 +27,14 @@ namespace build2 // and while the prerequisite will be re-examined via another dependency, // this target is done). // - // Note that max size for the "small capture optimization" in std::function - // ranges (in pointer sizes) from 0 (GCC prior to 5) to 2 (GCC 5) to 6 (VC - // 14.2). With the size ranging (in bytes for 64-bit target) from 32 (GCC) - // to 64 (VC). + // Note that max size for the "small size optimization" in std::function + // (which is what move_only_function_ex is based on) ranges (in pointer + // sizes) from 0 (GCC libstdc++ prior to 5) to 2 (GCC 5 and later) to 3 + // (Clang libc++) to 6 (VC 14.2). With the size ranging (in bytes for 64-bit + // target) from 32 (GCC) to 64 (VC). // using recipe_function = target_state (action, const target&); - using recipe = function<recipe_function>; + using recipe = move_only_function_ex<recipe_function>; // Commonly-used recipes. // @@ -44,10 +45,10 @@ namespace build2 // <libbuild2/algorithm.hxx> for details). The group recipe calls the // group's recipe. // - LIBBUILD2_SYMEXPORT extern const recipe empty_recipe; - LIBBUILD2_SYMEXPORT extern const recipe noop_recipe; - LIBBUILD2_SYMEXPORT extern const recipe default_recipe; - LIBBUILD2_SYMEXPORT extern const recipe group_recipe; + LIBBUILD2_SYMEXPORT extern recipe_function* const empty_recipe; + LIBBUILD2_SYMEXPORT extern recipe_function* const noop_recipe; + LIBBUILD2_SYMEXPORT extern recipe_function* const default_recipe; + LIBBUILD2_SYMEXPORT extern recipe_function* const group_recipe; } #endif // LIBBUILD2_RECIPE_HXX |