some useless statistics.

[lilypond.git] / input / regression / GNUmakefile

diff --git a/input/regression/GNUmakefile b/input/regression/GNUmakefile
index 99c4d8d71d53d7262dbf5750e4cd6c7b97d43f2f..15b634bccf7c1787763c9235b6d1becf904bd87b 100644 (file)
--- a/input/regression/GNUmakefile
+++ b/input/regression/GNUmakefile
@@ -3,7 +3,12 @@ depth = ../..
 STEPMAKE_TEMPLATES=documentation texinfo tex
 LOCALSTEPMAKE_TEMPLATES=lilypond ly lysdoc
 
-include $(depth)/make/stepmake.make 
+include $(depth)/make/stepmake.make
 TITLE=LilyPond Regression Tests
 
+local-clean: local-delete
+
+# use `find` together with `xargs` to avoid too long argument-lists.
+local-delete:
+       $(FIND) $(outdir)/ -empty -name '*' | xargs rm -f