Issues/2126 PhysX Gem can't be used as build dependency in engine SDK Part (#2337) (#2340)

* Applying GENEX_EVAL to 2 cases where the genex can produce another genex

Signed-off-by: Esteban Papp <81431996+amznestebanpapp@users.noreply.github.com>

* Missing case when the folder is an external one to the engine/project (e.g. external gems)

Signed-off-by: Esteban Papp <81431996+amznestebanpapp@users.noreply.github.com>

Code/LauncherUnified/launcher_generator.cmake

@@ -41,9 +41,9 @@ foreach(project_name project_path IN ZIP_LISTS LY_PROJECTS_TARGET_NAME LY_PROJEC
         add_custom_target(${project_name}.Assets
             COMMENT "Processing ${project_name} assets..."
             COMMAND "${CMAKE_COMMAND}" 
-                -DLY_LOCK_FILE=$<TARGET_FILE_DIR:AZ::AssetProcessorBatch>/project_assets.lock
+                -DLY_LOCK_FILE=$<GENEX_EVAL:$<TARGET_FILE_DIR:AZ::AssetProcessorBatch>>/project_assets.lock
                 -P ${LY_ROOT_FOLDER}/cmake/CommandExecution.cmake
-                    EXEC_COMMAND $<TARGET_FILE:AZ::AssetProcessorBatch> 
+                    EXEC_COMMAND $<GENEX_EVAL:$<TARGET_FILE:AZ::AssetProcessorBatch>>
                         --zeroAnalysisMode 
                         --project-path=${project_real_path} 
                         --platforms=${LY_ASSET_DEPLOY_ASSET_TYPE}

cmake/LYWrappers.cmake

@@ -392,10 +392,10 @@ function(ly_delayed_target_link_libraries)
                     endif()
 
                     if(item_type STREQUAL MODULE_LIBRARY)
-                        target_include_directories(${target} ${visibility} $<TARGET_PROPERTY:${item},INTERFACE_INCLUDE_DIRECTORIES>)
+                        target_include_directories(${target} ${visibility} $<GENEX_EVAL:$<TARGET_PROPERTY:${item},INTERFACE_INCLUDE_DIRECTORIES>>)
-                        target_link_libraries(${target} ${visibility} $<TARGET_PROPERTY:${item},INTERFACE_LINK_LIBRARIES>)
+                        target_link_libraries(${target} ${visibility} $<GENEX_EVAL:$<TARGET_PROPERTY:${item},INTERFACE_LINK_LIBRARIES>>)
-                        target_compile_definitions(${target} ${visibility} $<TARGET_PROPERTY:${item},INTERFACE_COMPILE_DEFINITIONS>)
+                        target_compile_definitions(${target} ${visibility} $<GENEX_EVAL:$<TARGET_PROPERTY:${item},INTERFACE_COMPILE_DEFINITIONS>>)
-                        target_compile_options(${target} ${visibility} $<TARGET_PROPERTY:${item},INTERFACE_COMPILE_OPTIONS>)
+                        target_compile_options(${target} ${visibility} $<GENEX_EVAL:$<TARGET_PROPERTY:${item},INTERFACE_COMPILE_OPTIONS>>)
                     else()
                         ly_parse_third_party_dependencies(${item})
                         target_link_libraries(${target} ${visibility} ${item})
@@ -660,7 +660,12 @@ function(ly_get_vs_folder_directory absolute_target_source_dir output_source_dir
     if(is_target_prefix_of_engine_root)
         cmake_path(RELATIVE_PATH absolute_target_source_dir BASE_DIRECTORY ${LY_ROOT_FOLDER} OUTPUT_VARIABLE relative_target_source_dir)
     else()
-        cmake_path(GET absolute_target_source_dir RELATIVE_PART relative_target_source_dir)
+        cmake_path(IS_PREFIX CMAKE_SOURCE_DIR ${absolute_target_source_dir} is_target_prefix_of_source_dir)
+        if(is_target_prefix_of_source_dir)
+            cmake_path(RELATIVE_PATH absolute_target_source_dir BASE_DIRECTORY ${CMAKE_SOURCE_DIR} OUTPUT_VARIABLE relative_target_source_dir)
+        else()
+            cmake_path(GET absolute_target_source_dir RELATIVE_PART relative_target_source_dir)
+        endif()
     endif()
 
     set(${output_source_dir} ${relative_target_source_dir} PARENT_SCOPE)