Make forcing UTF-8 codepage optional

CMakeLists.txt

@@ -128,6 +128,12 @@ if(USE_NATIVE_FILE_BUFFER)
     list(APPEND META_PUBLIC_COMPILE_DEFINITIONS ${META_PROJECT_VARNAME}_USE_NATIVE_FILE_BUFFER)
 endif()
 
+# configure forcing UTF-8 code page under Windows
+option(FORCE_UTF8_CODEPAGE "forces use of UTF-8 code page under Windows" OFF)
+if(FORCE_UTF8_CODEPAGE)
+    list(APPEND META_PRIVATE_COMPILE_DEFINITIONS ${META_PROJECT_VARNAME}_FORCE_UTF8_CODEPAGE)
+endif()
+
 # include modules to apply configuration
 include(BasicConfig)
 include(WindowsResources)

application/commandlineutils.cpp

@@ -38,7 +38,7 @@ bool confirmPrompt(const char *message, Response defaultResponse)
 
 #ifdef PLATFORM_WINDOWS
 /*!
- * \brief Starts the console and sets the console output code page to UTF-8.
+ * \brief Starts the console and sets the console output code page to UTF-8 if this is configured.
  * \remarks This method is only available on Windows and used to start a console from a GUI application.
  */
 void startConsole()
@@ -67,9 +67,11 @@ void startConsole()
     fp = _fdopen(conHandle, "w");
     *stderr = *fp;
     setvbuf(stderr, NULL, _IONBF, 0);
+#ifdef CPP_UTILITIES_FORCE_UTF8_CODEPAGE
     // set console to handle UTF-8 IO correctly
     SetConsoleCP(CP_UTF8);
     SetConsoleOutputCP(CP_UTF8);
+#endif
     // sync
     ios::sync_with_stdio(true);
 }