Add cmake argument to specify udev rule path

CMakeLists.txt

@@ -73,6 +73,7 @@ include(CMakeDependentOption)
 
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin" CACHE STRING "Where to put binaries after compilation.")
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib" CACHE STRING "Where to put libraries after compilation.")
+set(UDEV_RULE_DIRECTORY "/lib/udev/rules.d" CACHE STRING "Where to install the udev rule.")
 
 if (MACOS)
     option(USE_BREW_QT5 "Use Homebrew package for Qt5." ON)

src/daemon/CMakeLists.txt

@@ -475,7 +475,7 @@ if (LINUX)
   endif ()
   install(
     FILES "${CMAKE_SOURCE_DIR}/linux/udev/99-ckb-next-daemon.rules"
-    DESTINATION "/lib/udev/rules.d"
+    DESTINATION "${UDEV_RULE_DIRECTORY}"
     PERMISSIONS
     OWNER_READ OWNER_WRITE
     GROUP_READ