diff --git a/project/hoppla.sh b/project/hoppla.sh
index a194177..c738271 100755
--- a/project/hoppla.sh
+++ b/project/hoppla.sh
@@ -154,6 +154,11 @@ for f in $logfiles $genfiles; do
 		> $diffdir/$diffname.diff || true
 done
 
+for pysrc in setup.py configure.ac; do
+	diff -u "$PY_SOURCE_PREFIX"/Python-$py_base_ver/$pysrc "$PY_SOURCE_PREFIX"/Python-$py_curr_ver/$pysrc \
+		> $diffdir/$pysrc.diff || true
+done
+
 trap '' 0
 echo yay.