linux-kernel - [PATCH 13/13] kbuild: merge cmd_ar_builtin and cmd_ar

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Message-Id: <20210819005744.644908-14-masahiroy@kernel.org>
Date:   Thu, 19 Aug 2021 09:57:44 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     Sami Tolvanen <samitolvanen@...gle.com>,
        linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: [PATCH 13/13] kbuild: merge cmd_ar_builtin and cmd_ar_module

The difference between cmd_ar_builtin and cmd_ar_module is the
'[M]' in the short log.

Merge them into cmd_ar_thin.

$(quiet_modtag) is expanded to '[M]' when it is merging module objects.

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

 scripts/Makefile.build | 12 +++---------
 scripts/Makefile.lib   |  5 ++++-
 2 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 97392c26ebd7..17ce37c3eceb 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -370,11 +370,8 @@ $(subdir-modorder): $(obj)/%/modules.order: $(obj)/% ;
 # Rule to compile a set of .o files into one .a file (without symbol table)
 #
 
-quiet_cmd_ar_builtin = AR      $@
-      cmd_ar_builtin = rm -f $@; $(AR) cDPrST $@ $(real-prereqs)
-
 $(obj)/built-in.a: $(real-obj-y) FORCE
-	$(call if_changed,ar_builtin)
+	$(call if_changed,ar_thin)
 
 #
 # Rule to create modules.order file
@@ -434,14 +431,11 @@ cmd_ld_o_a += ; $(objtool) $(objtool_args) --module $@
 endif
 endif
 
-quiet_cmd_ar_module = AR [M]  $@
-      cmd_ar_module = rm -f $@; $(AR) cDPrST $@ $(real-prereqs)
-
 $(modules-single): %.a: %.o FORCE
-	$(call if_changed,ar_module)
+	$(call if_changed,ar_thin)
 
 $(modules-multi): FORCE
-	$(call if_changed,ar_module)
+	$(call if_changed,ar_thin)
 $(call multi_depend, $(modules-multi), .a, -objs -y -m)
 
 targets += $(modules-single) $(modules-multi)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index f604d2d01cad..bd71a7d6fbc1 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -198,7 +198,7 @@ _cpp_flags += -I $(srctree)/$(src) -I $(objtree)/$(obj)
 endif
 endif
 
-part-of-module = $(if $(filter $(basename $@).o, $(real-obj-m)),y)
+part-of-module = $(if $(filter $(basename $@).o, $(real-obj-m) $(obj-m)),y)
 quiet_modtag = $(if $(part-of-module),[M],   )
 
 modkern_cflags =                                          \
@@ -276,6 +276,9 @@ quiet_cmd_ld = LD      $@
 quiet_cmd_ar = AR      $@
       cmd_ar = rm -f $@; $(AR) cDPrsT $@ $(real-prereqs)
 
+quiet_cmd_ar_thin = AR $(quiet_modtag)  $@
+      cmd_ar_thin = rm -f $@; $(AR) cDPrST $@ $(real-prereqs)
+
 # Objcopy
 # ---------------------------------------------------------------------------
 
-- 
2.30.2