Add msgpack option to pch first

components/common/cpp/include/ftl/utility/msgpack.hpp

 #ifndef _FTL_MSGPACK_HPP_
 #define _FTL_MSGPACK_HPP_
 
-#include <msgpack.hpp>
-#include <opencv2/core/mat.hpp>
-#include <Eigen/Eigen>
-
 #ifdef _MSC_VER
 #include "msgpack_optional.hpp"
 #endif
 
+#include <msgpack.hpp>
+#include <opencv2/core/mat.hpp>
+#include <Eigen/Eigen>
+
 namespace msgpack {
 MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS) {
 namespace adaptor {

components/structures/CMakeLists.txt

@@ -7,6 +7,7 @@ target_include_directories(ftldata PUBLIC
 target_link_libraries(ftldata ftlcommon Eigen3::Eigen ftlcodecs)
 
 target_precompile_headers(ftldata
+	PRIVATE ../common/cpp/include/ftl/utility/msgpack_optional.hpp
 	PRIVATE ../common/cpp/include/ftl/cuda_common.hpp
 	PRIVATE ../common/cpp/include/loguru.hpp
 	PRIVATE include/ftl/data/new_frame.hpp