linux-kernel - [PATCH 2/4] kbuild: modpost: handle KBUILD_EXTRA

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Message-Id: <20190730155902.5557-2-yamada.masahiro@socionext.com>
Date:   Wed, 31 Jul 2019 00:59:00 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     linux-kbuild@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>
Subject: [PATCH 2/4] kbuild: modpost: handle KBUILD_EXTRA_SYMBOLS only for external modules

KBUILD_EXTRA_SYMBOLS makes sense only when building external modules.
Moreover, the modpost sets 'external_module' if the -e option is given.

I replaced $(patsubst %, -e %,...) with simpler $(addprefix -e,...)
while I was here.

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

 scripts/Makefile.modpost | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index ad4b9829a456..c856512349cd 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -78,7 +78,7 @@ modpost = scripts/mod/modpost                    \
  $(if $(CONFIG_MODULE_SRCVERSION_ALL),-a,)       \
  $(if $(KBUILD_EXTMOD),-i,-o) $(kernelsymfile)   \
  $(if $(KBUILD_EXTMOD),-I $(modulesymfile))      \
- $(if $(KBUILD_EXTRA_SYMBOLS), $(patsubst %, -e %,$(KBUILD_EXTRA_SYMBOLS))) \
+ $(if $(KBUILD_EXTMOD),$(addprefix -e ,$(KBUILD_EXTRA_SYMBOLS))) \
  $(if $(KBUILD_EXTMOD),-o $(modulesymfile))      \
  $(if $(CONFIG_SECTION_MISMATCH_WARN_ONLY),,-E)  \
  $(if $(KBUILD_MODPOST_WARN),-w)
-- 
2.17.1