diff options
Diffstat (limited to 'build/config')
| -rw-r--r-- | build/config/operation.cxx | 15 | ||||
| -rw-r--r-- | build/config/utility | 17 | ||||
| -rw-r--r-- | build/config/utility.cxx | 15 |
3 files changed, 35 insertions, 12 deletions
diff --git a/build/config/operation.cxx b/build/config/operation.cxx index 295a38a..abe4e22 100644 --- a/build/config/operation.cxx +++ b/build/config/operation.cxx @@ -101,13 +101,24 @@ namespace build { const variable& var (p.first->first); const value& val (p.first->second); + const string& n (var.name); // Skip special variables. // - if (var.name == "config.loaded" || - var.name == "config.configured") + if (n == "config.loaded" || + n == "config.configured") continue; + // We will only write config.*.configured if it is false + // (true is implied by its absence). + // + if (n.size () > 11 && + n.compare (n.size () - 11, 11, ".configured") == 0) + { + if (val == nullptr || as<bool> (val)) + continue; + } + // Warn the user if the value that we are saving differs // from the one they specified on the command line. // diff --git a/build/config/utility b/build/config/utility index ece7a88..ee5f50b 100644 --- a/build/config/utility +++ b/build/config/utility @@ -83,13 +83,16 @@ namespace build return optional_absolute (root, var_pool.find (var)); } - // Check whether there are any variables specified from the - // config namespace. The idea is that we can check if there - // are any, say, config.install.* values. If there are none, - // then we can assume this functionality is not (yet) used - // and omit writing a whole bunch of NULL config.install.* - // values to the config.build file . We call it omitted/ - // delayed configuration. + // Check whether there are any variables specified from the config + // namespace. The idea is that we can check if there are any, say, + // config.install.* values. If there are none, then we can assume + // this functionality is not (yet) used and omit writing a whole + // bunch of NULL config.install.* values to the config.build file. + // We call it omitted/delayed configuration. + // + // Note that this function detects and ignores the special + // config.*.configured variable which may be used by a module to + // "remember" that it is unconfigured. // bool specified (scope& root, const std::string& ns); diff --git a/build/config/utility.cxx b/build/config/utility.cxx index c9d7c66..b81cb04 100644 --- a/build/config/utility.cxx +++ b/build/config/utility.cxx @@ -60,9 +60,18 @@ namespace build // for (scope* s (&r); s != nullptr; s = s->parent_scope ()) { - auto p (s->vars.find_namespace (ns)); - if (p.first != p.second) - return true; + for (auto p (s->vars.find_namespace (ns)); + p.first != p.second; + ++p.first) + { + const variable& var (p.first->first); + + // Ignore config.*.configured. + // + if (var.name.size () < 11 || + var.name.compare (var.name.size () - 11, 11, ".configured") != 0) + return true; + } } return false; |