Index: cmake/Modules/WaffleValidateOptions.cmake
--- cmake/Modules/WaffleValidateOptions.cmake.orig
+++ cmake/Modules/WaffleValidateOptions.cmake
@@ -87,11 +87,6 @@ if(waffle_on_linux)
                 "${gbm_missing_deps} gbm"
                 )
         endif()
-        if(NOT libudev_FOUND)
-            set(gbm_missing_deps
-                "${gbm_missing_deps} libudev"
-                )
-        endif()
         if(NOT egl_FOUND)
             set(gbm_missing_deps
                 "${gbm_missing_deps} egl"