Introduced a MINIMUM_hidapi_VERSION variable to avoid repeat the vers…

…ion number literaly

CMakeLists.txt

@@ -2607,15 +2607,16 @@ option(HID "USB HID controller support" ON)
 if(HID)
   find_package(hidapi)
   # hidapi_VERSION is only available starting with 0.10.0
-  if(NOT hidapi_FOUND OR NOT hidapi_VERSION OR hidapi_VERSION VERSION_LESS 0.10.1)
+  set(MINIMUM_hidapi_VERSION "0.10.1")
+  if(NOT hidapi_FOUND OR NOT hidapi_VERSION OR hidapi_VERSION VERSION_LESS MINIMUM_hidapi_VERSION)
     if(hidapi_FOUND)
         if(hidapi_VERSION)
             message(STATUS "Found libhidapi version: ${hidapi_VERSION}")
         else()
-            message(STATUS "Found libhidapi version < 0.10.0")
+            message(STATUS "Found libhidapi version < ${MINIMUM_hidapi_VERSION}")
         endif()
     endif()
-    message(STATUS "Linking internal libhidapi 0.10.1 statically")
+    message(STATUS "Linking internal libhidapi ${MINIMUM_hidapi_VERSION} statically")
     add_library(mixxx-hidapi STATIC EXCLUDE_FROM_ALL)
     target_include_directories(mixxx-hidapi SYSTEM PUBLIC lib/hidapi/hidapi)
     if(WIN32)