Index: source/CMakeLists.txt
--- source/CMakeLists.txt.orig
+++ source/CMakeLists.txt
@@ -485,7 +485,8 @@ if(POWER)
     endif()
 endif()
 
-include(Version) # determine X265_VERSION and X265_LATEST_TAG
+set(X265_VERSION "unknown" CACHE STRING "")
+set(X265_LATEST_TAG "0.0" CACHE STRING "")
 include_directories(. common encoder "${PROJECT_BINARY_DIR}")
 
 option(ENABLE_PPA "Enable PPA profiling instrumentation" OFF)