diff --git a/misc/archive/buildlogdiff.sh b/misc/archive/buildlogdiff.sh
new file mode 100644
index 000000000..4ca4b060f
--- /dev/null
+++ b/misc/archive/buildlogdiff.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+if [ ! -f "$1" -o ! -f "$2" ]; then
+	echo "Usage: $0 {logfile1} {logfile2}"
+	exit 1
+fi
+
+sedprg='s/(src\.[^\/\.]+)\.[0-9\.]+/\1.XXX/g'
+diff -u <( sed -r "$sedprg" $1; ) <( sed -r "$sedprg" $2; )