Fix main dependencies

CMakeLists.txt

@@ -30,7 +30,7 @@ set_target_properties(libxtrace
 target_link_libraries(libxtrace Threads::Threads ${Protobuf_LIBRARIES} ${Boost_LIBRARIES} )
 
 add_executable (main src/main.cc )
-target_link_libraries(main libxtrace)
+target_link_libraries(main libxtrace Threads::Threads ${Protobuf_LIBRARIES} ${Boost_LIBRARIES})
 
 # Introduce variables:
 # * CMAKE_INSTALL_LIBDIR
@@ -46,4 +46,4 @@ install(DIRECTORY "include"
         PATTERN "*.h")
 
 
-install(TARGETS libxtrace DESTINATION "${CMAKE_INSTALL_LIBDIR}")
\ No newline at end of file
+install(TARGETS libxtrace DESTINATION "${CMAKE_INSTALL_LIBDIR}")