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kbuild: do not descend to ./Kbuild when cleaning

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'make clean' descends into ./Kbuild, but does not clean anything
since everything is added to no-clean-files.

There is no need to descend to ./Kbuild in the first place.
We can drop the no-clean-files assignment.

With this, there is no more user of no-clean-files. I will keep it
for a while to see whether a new user will appear.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2019-08-11 00:53:02 +09:00
parent d082402e21
commit 125d059b62
3 changed files with 1 additions and 10 deletions
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6
Documentation/kbuild/makefiles.rst
View File

@ -787,12 +787,6 @@ This will delete the directory debian in the toplevel directory, including all
subdirectories.
To exclude certain files from make clean, use the $(no-clean-files) variable.
This is only a special case used in the top level Kbuild file:
Example::
#Kbuild
no-clean-files := $(bounds-file) $(offsets-file)
Usually kbuild descends down in subdirectories due to "obj-* := dir/",
but in the architecture makefiles where the kbuild infrastructure

3
Kbuild
View File

@ -57,6 +57,3 @@ quiet_cmd_atomics = CALL $<
old-atomics: scripts/atomic/check-atomics.sh FORCE
$(call cmd,atomics)
# Keep these three files during make clean
no-clean-files := $(bounds-file) $(offsets-file) $(timeconst-file)

2
Makefile
View File

@ -1396,7 +1396,7 @@ DISTCLEAN_FILES += tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS
#
clean: rm-dirs := $(CLEAN_DIRS)
clean: rm-files := $(CLEAN_FILES)
clean-dirs := $(addprefix _clean_, . $(vmlinux-alldirs))
clean-dirs := $(addprefix _clean_, $(vmlinux-alldirs))
PHONY += $(clean-dirs) clean archclean vmlinuxclean
$(clean-dirs):