try

Author: Cyanoxygen

cmake/GenerateConfig.cmake

@@ -1,5 +1,8 @@
-if(CMAKE_CROSSCOMPILING AND NOT DEFINED AB_NATIVE_ARCH_NAME)
-    message(FATAL_ERROR "AB_NATIVE_ARCH_NAME must be defined when cross-compiling")
+if(CMAKE_CROSSCOMPILING)
+    if(NOT DEFINED AB_NATIVE_ARCH_NAME)
+        message(FATAL_ERROR "AB_NATIVE_ARCH_NAME must be defined when cross-compiling")
+    endif()
+    message(INFO "Autobuild native architecture name: ${AB_NATIVE_ARCH_NAME}")
 else()
     execute_process(
         COMMAND dpkg --print-architecture