Threading is required

Threading is required since sniffing runs in its own thread.

daemon/CMakeLists.txt

@@ -11,7 +11,7 @@ add_executable(ccats src/main.cpp src/Sniffer.cpp)
 find_package(PkgConfig REQUIRED)
 pkg_check_modules(TINS REQUIRED libtins>=4.2 libpcap)
 
-find_package(Threads)
+find_package(Threads REQUIRED)
 find_package(Boost 1.67 REQUIRED COMPONENTS system)
 # find_package(libtins 4.2 REQUIRED)