Fix arm64 dylib name on cp38

Author: tomasMizera

geodiff/CMakeLists.txt

@@ -31,9 +31,9 @@ IF(SKBUILD)
   IF (CMAKE_GENERATOR_PLATFORM STREQUAL "Win32")
     SET(GEODIFF_NAME "${GEODIFF_NAME}-win32")
   ENDIF (CMAKE_GENERATOR_PLATFORM STREQUAL "Win32")
-  IF (APPLE AND CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64")
+  IF (APPLE AND (CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64" OR CMAKE_OSX_ARCHITECTURES MATCHES "arm64"))
     SET(GEODIFF_NAME "${GEODIFF_NAME}-arm64")
-  ENDIF (APPLE AND CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64")
+  ENDIF ()
 ELSE(SKBUILD)
   SET(GEODIFF_NAME geodiff)
 ENDIF(SKBUILD)