[CMake] Update FindSIP.{cmake,py}

Author: anhi

cmake/FindSIP.cmake

@@ -62,7 +62,7 @@ ELSE(SIP_VERSION)
 	IF(USE_FIND_SIP_PY)
 		FIND_FILE(_find_sip_py FindSIP.py PATHS ${CMAKE_MODULE_PATH})
 
-		EXECUTE_PROCESS(COMMAND ${PYTHON_EXECUTABLE} ${_find_sip_py} OUTPUT_VARIABLE sip_config ERROR_QUIET)
+		EXECUTE_PROCESS(COMMAND ${Python3_EXECUTABLE} ${_find_sip_py} OUTPUT_VARIABLE sip_config ERROR_QUIET)
 		IF(sip_config)
 			STRING(REGEX REPLACE "^sip_version:([^\n]+).*$" "\\1" SIP_VERSION ${sip_config})
 			STRING(REGEX REPLACE ".*\nsip_version_str:([^\n]+).*$" "\\1" SIP_VERSION_STR ${sip_config})

cmake/FindSIP.py

@@ -13,4 +13,4 @@
 print("sip_bin:%s" % sipcfg.sip_bin)
 print("default_sip_dir:%s" % sipcfg.default_sip_dir)
 print("sip_inc_dir:%s" % sipcfg.sip_inc_dir)
-print("sip_mod_dir:%s" % sipcfg.sip_mod_dir)
+print("sip_mod_dir:%s" % sipcfg.sip_module_dir)