diff -ruN mpc-1.3.1/build-aux/config.sub mpc-1.3.1-banan_os/build-aux/config.sub
--- mpc-1.3.1/build-aux/config.sub	2022-12-08 14:23:21.000000000 +0200
+++ mpc-1.3.1-banan_os/build-aux/config.sub	2024-08-07 22:52:40.072912471 +0300
@@ -1748,7 +1748,8 @@
 	     | skyos* | haiku* | rdos* | toppers* | drops* | es* \
 	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
 	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
-	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr*)
+	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr* \
+	     | banan_os* )
 		;;
 	# This one is extra strict with allowed versions
 	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)