https://bugs.gentoo.org/898598
https://github.com/coreutils/gnulib/commit/3c136a2cc38d71083f123231a8b9ad4b01930789

diff '--color=auto' -ruN patch-2.7.6.orig/configure patch-2.7.6/configure
--- patch-2.7.6.orig/configure  2018-02-03 14:41:50.000000000 +0100
+++ patch-2.7.6/configure       2024-11-19 23:19:08.710565121 +0100
@@ -17130,6 +17130,7 @@
 /* end confdefs.h.  */
 #include <unistd.h>
             #include <fcntl.h>
+            #include <sys/stat.h>
 
 int
 main ()