Move to C++20 by default

Author: kunitoki

README.md

@@ -102,7 +102,7 @@ YUP brings a suite of powerful features, including:
 
 ## Prerequisites
 Before building, ensure you have a:
-- C++17-compliant compiler
+- C++20-compliant compiler
 - CMake 3.28 or later
 
 

cmake/yup_dependencies.cmake

@@ -89,7 +89,7 @@ function (_yup_fetch_perfetto)
     FetchContent_MakeAvailable (Perfetto)
 
     add_library (perfetto STATIC)
-    target_compile_features (perfetto PUBLIC cxx_std_17)
+    target_compile_features (perfetto PUBLIC cxx_std_20)
 
     target_sources (perfetto
         PRIVATE "$<BUILD_INTERFACE:${perfetto_SOURCE_DIR}/sdk/perfetto.cc>"

cmake/yup_modules.cmake

@@ -183,7 +183,7 @@ function (_yup_module_setup_target module_name
     if (module_cpp_standard)
         target_compile_features (${module_name} INTERFACE cxx_std_${module_cpp_standard})
     else()
-        target_compile_features (${module_name} INTERFACE cxx_std_17)
+        target_compile_features (${module_name} INTERFACE cxx_std_20)
     endif()
 
     set_target_properties (${module_name} PROPERTIES
@@ -366,7 +366,7 @@ function (yup_add_module module_path modules_definitions module_group)
         endif()
     endforeach()
 
-    _yup_set_default (module_cpp_standard "17")
+    _yup_set_default (module_cpp_standard "20")
     _yup_set_default (module_arc_enabled OFF)
     _yup_set_default (module_needs_python OFF)
     _yup_resolve_variable_paths ("${module_searchpaths}" module_searchpaths)

cmake/yup_platforms.cmake

@@ -37,7 +37,7 @@ function (_yup_prepare_gradle_android)
     _yup_set_default (YUP_ANDROID_TOOLCHAIN "clang")
     _yup_set_default (YUP_ANDROID_PLATFORM "android-${YUP_ANDROID_MIN_SDK_VERSION}")
     _yup_set_default (YUP_ANDROID_STL "c++_shared")
-    _yup_set_default (YUP_ANDROID_CPP_VERSION "17")
+    _yup_set_default (YUP_ANDROID_CPP_VERSION "20")
     _yup_set_default (YUP_ANDROID_APPLICATION_NAMESPACE "org.yup")
     _yup_set_default (YUP_ANDROID_APPLICATION_ID "org.yup.default_app")
     _yup_set_default (YUP_ANDROID_APPLICATION_VERSION "1.0")