kbuild: remove tag files by distclean instead of mrproper
It takes somewhat long time to generate these tag files.
Keep such precious files until we run 'make distclean'.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/Makefile b/Makefile
index 9691821..e432857 100644
--- a/Makefile
+++ b/Makefile
@@ -1378,11 +1378,15 @@
MRPROPER_DIRS += include/config include/generated \
arch/$(SRCARCH)/include/generated .tmp_objdiff
MRPROPER_FILES += .config .config.old .version \
- Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
+ Module.symvers \
signing_key.pem signing_key.priv signing_key.x509 \
x509.genkey extra_certificates signing_key.x509.keyid \
signing_key.x509.signer vmlinux-gdb.py
+# Directories & files removed with 'make distclean'
+DISTCLEAN_DIRS +=
+DISTCLEAN_FILES += tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS
+
# clean - Delete most, but leave enough to build external modules
#
clean: rm-dirs := $(CLEAN_DIRS)
@@ -1415,9 +1419,14 @@
# distclean
#
+distclean: rm-dirs := $(wildcard $(DISTCLEAN_DIRS))
+distclean: rm-files := $(wildcard $(DISTCLEAN_FILES))
+
PHONY += distclean
distclean: mrproper
+ $(call cmd,rmdirs)
+ $(call cmd,rmfiles)
@find $(srctree) $(RCS_FIND_IGNORE) \
\( -name '*.orig' -o -name '*.rej' -o -name '*~' \
-o -name '*.bak' -o -name '#*#' -o -name '*%' \