patch-src_slic3r_CMakeLists.txt

--- src/slic3r/CMakeLists.txt.orig	2021-01-11 13:01:51 UTC
+++ src/slic3r/CMakeLists.txt
@@ -232,9 +232,9 @@ add_library(libslic3r_gui STATIC ${SLIC3R_GUI_SOURCES}
 
 encoding_check(libslic3r_gui)
 
-target_link_libraries(libslic3r_gui libslic3r avrdude cereal imgui GLEW::GLEW OpenGL::GL OpenGL::GLU hidapi libcurl ${wxWidgets_LIBRARIES})
+target_link_libraries(libslic3r_gui libslic3r avrdude imgui GLEW::GLEW OpenGL::GL OpenGL::GLU hidapi libcurl ${wxWidgets_LIBRARIES})
 
-if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
+if (CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
     target_link_libraries(libslic3r_gui ${DBUS_LIBRARIES}) 
 endif()