I try to use GENERATE_PRELINK_OBJECT_FILE but failed

I use CocoaPods to manage my project. In the pod_target_xcconfig of file .podspec, I added following. However, when compiling with xcodebuild, prelink is still not working.

I'm using CocoaPods to manage my project. In the pod_target_xcconfig of file .podspec, I added the following configurations: "GENERATE_PRELINK_OBJECT_FILE" => "YES", "LLVM_PRELINK_OBJECT" => "YES", "LLVM_LTO" => "YES_THIN", "OTHER_LDFLAGS" => "$(inherited) -flto=thin -Wl,-object_path_lto,$(TARGET_TEMP_DIR)/$(PRODUCT_NAME)_lto.o" However, when compiling with xcodebuild, prelink is still not working.