diff options
Diffstat (limited to 'libbuild2')
| -rw-r--r-- | libbuild2/context.cxx | 61 |
1 files changed, 32 insertions, 29 deletions
diff --git a/libbuild2/context.cxx b/libbuild2/context.cxx index 3838451..06cdc6d 100644 --- a/libbuild2/context.cxx +++ b/libbuild2/context.cxx @@ -280,36 +280,19 @@ namespace build2 // Enter builtin variable patterns. // - // Note that we must do this prior to entering overrides below. + // Note that we must do global visibility prior to entering overrides + // below but they cannot be typed. So it's a careful dance. // - { - const auto v_g (variable_visibility::global); - const auto v_p (variable_visibility::project); - - // All config.** variables are overridable with global visibility. - // - // For the config.**.configured semantics, see config::unconfigured(). - // - // Note that some config.config.* variables have project visibility thus - // the match argument is false. - // - vp.insert_pattern ("config.**", nullopt, true, v_g, true, false); - vp.insert_pattern<bool> ("config.**.configured", false, v_p); + const auto v_g (variable_visibility::global); - // file.cxx:import() (note: order is important; see insert_pattern()). - // - vp.insert_pattern<abs_dir_path> ("config.import.*", true, v_g, true); - vp.insert_pattern<path> ("config.import.**", true, v_g, true); - - // module.cxx:boot/init_module(). - // - // Note that we also have the config.<module>.configured variable (see - // above). - // - vp.insert_pattern<bool> ("**.booted", false /* overridable */, v_p); - vp.insert_pattern<bool> ("**.loaded", false, v_p); - vp.insert_pattern<bool> ("**.configured", false, v_p); - } + // All config.** variables are overridable with global visibility. + // + // For the config.**.configured semantics, see config::unconfigured(). + // + // Note that some config.config.* variables have project visibility thus + // the match argument is false. + // + vp.insert_pattern ("config.**", nullopt, true, v_g, true, false); // Parse and enter the command line variables. We do it before entering // any other variables so that all the variables that are overriden are @@ -518,11 +501,31 @@ namespace build2 data_->global_var_overrides.push_back (s); } - // Enter builtin variables. + // Enter remaining variable patterns and builtin variables. // + const auto v_p (variable_visibility::project); const auto v_t (variable_visibility::target); const auto v_q (variable_visibility::prereq); + vp.insert_pattern<bool> ("config.**.configured", false, v_p); + + // file.cxx:import() (note: order is important; see insert_pattern()). + // + // Note that if any are overriden, they are "pre-typed" by the config.** + // pattern above and we just "add" the types. + // + vp.insert_pattern<abs_dir_path> ("config.import.*", true, v_g, true); + vp.insert_pattern<path> ("config.import.**", true, v_g, true); + + // module.cxx:boot/init_module(). + // + // Note that we also have the config.<module>.configured variable (see + // above). + // + vp.insert_pattern<bool> ("**.booted", false /* overridable */, v_p); + vp.insert_pattern<bool> ("**.loaded", false, v_p); + vp.insert_pattern<bool> ("**.configured", false, v_p); + var_src_root = &vp.insert<dir_path> ("src_root"); var_out_root = &vp.insert<dir_path> ("out_root"); var_src_base = &vp.insert<dir_path> ("src_base"); |