Add a way to show what cleaning would be done, without actually doing it

diff --git a/mk/tree.mk b/mk/tree.mk
index eaeb9bc..639b93b 100644 (file)
--- a/mk/tree.mk
+++ b/mk/tree.mk
@@ -50,7 +50,13 @@ INPLACE_PERL            = $(INPLACE)/perl
 # These are here, rather than in config.mk, as they need to exist in an
 # unconfigured tree so that the various clean targets can be used
 # without configuring:
+ifeq "$(ONLY_SHOW_CLEANS)" "YES"
+RM = echo
+RM_OPTS = CLEAN_FILES
+RM_OPTS_REC = CLEAN_REC
+else
 RM = rm
 RM_OPTS = -f
 RM_OPTS_REC = -rf
+endif