linux-kernel - [PATCH 1/2] kbuild: test headers listed in header-test-m as well

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Message-Id: <20190716132946.1057-1-yamada.masahiro@socionext.com>
Date:   Tue, 16 Jul 2019 22:29:45 +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 1/2] kbuild: test headers listed in header-test-m as well

It will be useful to control the header-test by a tristate option.

If CONFIG_FOO is a tristate option, you can write like this:

  header-test-$(CONFIG_FOO) += foo.h

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

 scripts/Makefile.build | 2 +-
 scripts/Makefile.lib   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 8c39dade265c..0d434d0afc0b 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -291,7 +291,7 @@ quiet_cmd_cc_lst_c = MKLST   $@
 $(obj)/%.lst: $(src)/%.c FORCE
 	$(call if_changed_dep,cc_lst_c)
 
-# header test (header-test-y target)
+# header test (header-test-y, header-test-m target)
 # ---------------------------------------------------------------------------
 
 quiet_cmd_cc_s_h = CC      $@
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 6cb3aa5cbc79..5241d0751eb0 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -78,7 +78,7 @@ header-test-y	+= $(filter-out $(header-test-), \
 		$(wildcard $(addprefix $(srctree)/$(src)/, \
 		$(header-test-pattern-y)))))
 
-extra-$(CONFIG_HEADER_TEST) += $(addsuffix .s, $(header-test-y))
+extra-$(CONFIG_HEADER_TEST) += $(addsuffix .s, $(header-test-y) $(header-test-m))
 
 # Add subdir path
 
-- 
2.17.1