--- CMakeLists.txt.orig	2022-09-03 00:55:05.000000000 +0800
+++ CMakeLists.txt	2022-10-29 01:43:59.000000000 +0800
@@ -109,7 +109,7 @@
 
 message( STATUS "Building OpenCoarrays version: ${full_git_describe}" )
 set(OpenCoarrays_dist_string "OpenCoarrays-${full_git_describe}")
-message( STATUS "Building for target architecture: ${CMAKE_SYSTEM_PROCESSOR}" )
+message( STATUS "Building for target architecture: ${CMAKE_OSX_ARCHITECTURES}" )
 
 #Print an error message on an attempt to build inside the source directory tree:
 if ("${CMAKE_CURRENT_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_BINARY_DIR}")