--- linux-6.6/kernel/gen_kheaders.sh.old	2024-11-19 06:25:31.746638574 -0600
+++ linux-6.6/kernel/gen_kheaders.sh	2024-11-19 10:16:34.286795312 -0600
@@ -89,7 +89,7 @@
 
 # Create archive and try to normalize metadata for reproducibility.
 tar "${KBUILD_BUILD_TIMESTAMP:+--mtime=$KBUILD_BUILD_TIMESTAMP}" \
-    -I $XZ -cf $tarfile -C $cpio_dir/ . > /dev/null
+    --use-compress-program=$XZ -cf $tarfile -C $cpio_dir/ . > /dev/null
 
 echo $headers_md5 > kernel/kheaders.md5
 echo "$this_file_md5" >> kernel/kheaders.md5