fix PACKAGE_VERSION_COMPATIBLE not set (#15131)

If the last engine processed is not compatible, PACKAGE_VERSION_COMPATIBLE may not be set and Findo3de.cmake will think no compatibility checks were performed.

Signed-off-by: Alex Peterson <[email protected]>

AutomatedTesting/cmake/EngineFinder.cmake

@@ -139,6 +139,10 @@ endforeach()
 
 if(O3DE_MOST_COMPATIBLE_ENGINE_PATH)
     message(STATUS "Selecting engine '${O3DE_MOST_COMPATIBLE_ENGINE_PATH}'")
+    # Make sure PACKAGE_VERSION_COMPATIBLE is set so Findo3de.cmake knows
+    # compatibility was checked
+    set(PACKAGE_VERSION_COMPATIBLE True)
+    set(PACKAGE_VERSION O3DE_MOST_COMPATIBLE_ENGINE_VERSION)
     list(APPEND CMAKE_MODULE_PATH "${O3DE_MOST_COMPATIBLE_ENGINE_PATH}/cmake")
     return()
 endif()

Templates/DefaultProject/Template/cmake/EngineFinder.cmake

@@ -139,6 +139,10 @@ endforeach()
 
 if(O3DE_MOST_COMPATIBLE_ENGINE_PATH)
     message(STATUS "Selecting engine '${O3DE_MOST_COMPATIBLE_ENGINE_PATH}'")
+    # Make sure PACKAGE_VERSION_COMPATIBLE is set so Findo3de.cmake knows
+    # compatibility was checked
+    set(PACKAGE_VERSION_COMPATIBLE True)
+    set(PACKAGE_VERSION O3DE_MOST_COMPATIBLE_ENGINE_VERSION)
     list(APPEND CMAKE_MODULE_PATH "${O3DE_MOST_COMPATIBLE_ENGINE_PATH}/cmake")
     return()
 endif()

Templates/MinimalProject/Template/cmake/EngineFinder.cmake

@@ -139,6 +139,10 @@ endforeach()
 
 if(O3DE_MOST_COMPATIBLE_ENGINE_PATH)
     message(STATUS "Selecting engine '${O3DE_MOST_COMPATIBLE_ENGINE_PATH}'")
+    # Make sure PACKAGE_VERSION_COMPATIBLE is set so Findo3de.cmake knows
+    # compatibility was checked
+    set(PACKAGE_VERSION_COMPATIBLE True)
+    set(PACKAGE_VERSION O3DE_MOST_COMPATIBLE_ENGINE_VERSION)
     list(APPEND CMAKE_MODULE_PATH "${O3DE_MOST_COMPATIBLE_ENGINE_PATH}/cmake")
     return()
 endif()