updated build system

support/src/utils/file_enc_file.cpp

@@ -30,6 +30,9 @@ enc_file::enc_file(fs_file_t file) : file_(std::move(file)) {}
 
 void enc_file::close() {}
 
+auto enc_file::copy_to(std::string_view new_path,
+                       bool overwrite) const -> bool {}
+
 void enc_file::flush() const {}
 
 auto enc_file::move_to(std::string_view path) -> bool {}