linux-kernel - [PATCH] kbuild: fix single directory build

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Date:   Sat, 15 Oct 2022 05:18:11 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        David Sterba <dsterba@...e.cz>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] kbuild: fix single directory build

Commit f110e5a250e3 ("kbuild: refactor single builds of *.ko") was wrong.

KBUILD_MODULES _is_ needed for single builds.

Otherwise, "make foo/bar/baz/" does not build module objects at all.

Fixes: f110e5a250e3 ("kbuild: refactor single builds of *.ko")
Reported-by: David Sterba <dsterba@...e.cz>
Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Makefile b/Makefile
index 85a63a1d29b3..48a005fc69ca 100644
--- a/Makefile
+++ b/Makefile
@@ -1978,6 +1978,8 @@ endif
 
 single-goals := $(addprefix $(build-dir)/, $(single-no-ko))
 
+KBUILD_MODULES := 1
+
 endif
 
 # Preset locale variables to speed up the build process. Limit locale
-- 
2.34.1