--- systemd-stable-251.2/src/fundamental/sha256.c.orig	2022-06-13 15:52:57.119352352 +0200
+++ systemd-stable-251.2/src/fundamental/sha256.c	2022-06-13 15:53:09.522271808 +0200
@@ -29,6 +29,7 @@
 
 #include "macro-fundamental.h"
 #include "sha256.h"
+#include <stdbool.h>
 
 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
 # define SWAP(n)                                                        \