core: remove .br-external on distclean

distclean is supposed to return the current directory, whether in-tree
or out-of-tree, into pristine conditions, which means we should also
forget about any br2-external tree on distclean.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Peter Korsgaard <jacmet@uclibc.org>
Cc: Thomas De Schampheleire <patrickdepinguin@gmail.com>
Cc: Arnout Vandecappelle <arnout@mind.be>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/Makefile b/Makefile
index caf4a919a82ea79899c551f49abb0d21c6fa228c..fbc6115dcc7f28a03bf5532ebe0e9f6dc529c326 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -844,7 +844,7 @@ ifeq ($(O),output)
        rm -rf $(O)
 endif
        rm -rf $(BR2_CONFIG) $(CONFIG_DIR)/.config.old $(CONFIG_DIR)/..config.tmp \
-               $(CONFIG_DIR)/.auto.deps
+               $(CONFIG_DIR)/.auto.deps $(BR2_EXTERNAL_FILE)
 
 help:
        @echo 'Cleaning:'