linux-kernel - [PATCH v2 3/4] kbuild: clear KBUILD_MODULES in top Makefile if CONFIG

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Message-Id: <20190912162254.9603-3-yamada.masahiro@socionext.com>
Date:   Fri, 13 Sep 2019 01:22:53 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     linux-kbuild@...r.kernel.org
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/4] kbuild: clear KBUILD_MODULES in top Makefile if CONFIG_MODULES=n

Do not try to build any module-related artifacts when CONFIG_MODULES
is disabled.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

Changes in v2:
  - New patch

 Makefile               | 4 ++++
 scripts/Makefile.build | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index adc0cabe2382..0ecc62dbe234 100644
--- a/Makefile
+++ b/Makefile
@@ -1797,6 +1797,10 @@ single-build = $(if $(filter-out $@/, $(single-no-ko)),1)
 
 endif
 
+ifndef CONFIG_MODULES
+KBUILD_MODULES :=
+endif
+
 # FIXME Should go into a make.lib or something
 # ===========================================================================
 
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index fb29c898604a..aab9a14fa78d 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -76,7 +76,7 @@ else ifneq ($(real-obj-y),)
 builtin-target := __warn-orphan-obj-y
 endif
 
-ifeq ($(CONFIG_MODULES)$(need-modorder),y1)
+ifdef need-modorder
 modorder-target := $(obj)/modules.order
 endif
 
-- 
2.17.1