Add new free function system_library_directory

Signed-off-by: yamacir-kit <httperror@404-notfound.jp>

Author: yamacir-kit

README.md

@@ -102,9 +102,9 @@ Then, select one of the following targets and `make` it according to your purpos
 
 | Target      | Description
 |-------------|-------------
-| `all`       | Build shared-library `libmeevax.0.5.443.so` and executable `meevax`.
+| `all`       | Build shared-library `libmeevax.0.5.444.so` and executable `meevax`.
 | `install`   | Copy files into `/usr/local` directly.
-| `package`   | Generate debian package `meevax_0.5.443_amd64.deb` (only Ubuntu). The generated package can be installed by `sudo apt install build/meevax_0.5.443_amd64.deb`.
+| `package`   | Generate debian package `meevax_0.5.444_amd64.deb` (only Ubuntu). The generated package can be installed by `sudo apt install build/meevax_0.5.444_amd64.deb`.
 | `test`      | Test executable `meevax`. This target requires Valgrind to be installed.
 | `uninstall` | Remove files copied to `/usr/local` directly by target `install`.
 

VERSION

@@ -1 +1 @@
-0.5.443
+0.5.444

configure/version.cpp

@@ -21,11 +21,6 @@
 
 namespace meevax::inline kernel
 {
-  auto help() noexcept -> std::string_view
-  {
-    return R"(${${PROJECT_NAME}_HELP})";
-  }
-
   auto features() -> object &
   {
     let static features = list(
@@ -55,6 +50,11 @@ namespace meevax::inline kernel
     return features;
   }
 
+  auto help() noexcept -> std::string_view
+  {
+    return R"(${${PROJECT_NAME}_HELP})";
+  }
+
   auto home_directory() -> std::filesystem::path
   {
     if (auto home = std::getenv("HOME"))
@@ -71,15 +71,20 @@ namespace meevax::inline kernel
     }
   }
 
+  auto system_library_directory() -> std::filesystem::path
+  {
+    return "${CMAKE_INSTALL_PREFIX}/share/${PROJECT_NAME}";
+  }
+
   auto user_library_directory() -> std::filesystem::path
   {
     if (auto xdg_data_home = std::getenv("XDG_DATA_HOME"))
     {
-      return xdg_data_home;
+      return std::filesystem::path(xdg_data_home) / "${PROJECT_NAME}";
     }
     else
     {
-      return home_directory() / ".local/share";
+      return home_directory() / ".local/share/${PROJECT_NAME}";
     }
   }
 

include/meevax/kernel/configurator.hpp

@@ -45,7 +45,7 @@ namespace meevax::inline kernel
 
     auto static inline command_line = std::vector<std::string>();
 
-    auto static inline directories = std::list<std::filesystem::path> { user_library_directory() };
+    auto static inline directories = std::list<std::filesystem::path> { user_library_directory(), system_library_directory() };
 
     auto static configure(int const, char const* const* const) -> void;
 

include/meevax/kernel/version.hpp

@@ -24,12 +24,14 @@
 
 namespace meevax::inline kernel
 {
-  auto help() noexcept -> std::string_view;
-
   auto features() -> object &;
 
+  auto help() noexcept -> std::string_view;
+
   auto home_directory() -> std::filesystem::path;
 
+  auto system_library_directory() -> std::filesystem::path;
+
   auto user_library_directory() -> std::filesystem::path;
 
   auto version() -> object const&;