linux-kernel - [PATCH 1/3] kbuild: make distclean work against $(objtree) instead of $(srctree)

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Date:   Tue,  4 May 2021 19:10:56 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] kbuild: make distclean work against $(objtree) instead of $(srctree)

This reverts the old commit [1], which seems questionable to me.

It claimed 'make distclean' could not remove editor backup files,
but I believe KBUILD_OUTPUT or O= was set.

When O= is given, Kbuild should always work against $(objtree).
If O= is not given, $(objtree) and $(srctree) are the same, therefore
$(srctree) is cleaned up.

[1]: https://git.kernel.org/pub/scm/linux/kernel/git/history/history.git/commit/?id=dd47df980c02eb33833b2690b033c34fba2fa80d

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index cbf4b18cf51c..560408808c33 100644
--- a/Makefile
+++ b/Makefile
@@ -1546,7 +1546,7 @@ PHONY += distclean
 
 distclean: mrproper
 	$(call cmd,rmfiles)
-	@find $(srctree) $(RCS_FIND_IGNORE) \
+	@find . $(RCS_FIND_IGNORE) \
 		\( -name '*.orig' -o -name '*.rej' -o -name '*~' \
 		-o -name '*.bak' -o -name '#*#' -o -name '*%' \
 		-o -name 'core' \) \
-- 
2.27.0