File fix-compile.patch of Package OrcaSlicer
--- a/src/libslic3r/Preset.hpp.orig 2023-11-04 18:30:27.764974789 +0100 +++ a/src/libslic3r/Preset.hpp 2023-11-04 18:30:48.536922884 +0100 @@ -5,6 +5,7 @@ #include <set> #include <unordered_map> #include <functional> +#include <mutex> #include <boost/filesystem/path.hpp> #include <boost/property_tree/ptree_fwd.hpp>