linux-kernel - [PATCH AUTOSEL 5.15 016/153] tools/build: Don't pass test log files to linker

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Message-Id: <20250505231320.2695319-16-sashal@kernel.org>
Date: Mon,  5 May 2025 19:11:03 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Ian Rogers <irogers@...gle.com>,
	James Clark <james.clark@...aro.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Sasha Levin <sashal@...nel.org>,
	charlie@...osinc.com
Subject: [PATCH AUTOSEL 5.15 016/153] tools/build: Don't pass test log files to linker

From: Ian Rogers <irogers@...gle.com>

[ Upstream commit 935e7cb5bb80106ff4f2fe39640f430134ef8cd8 ]

Separate test log files from object files. Depend on test log output
but don't pass to the linker.

Reviewed-by: James Clark <james.clark@...aro.org>
Signed-off-by: Ian Rogers <irogers@...gle.com>
Link: https://lore.kernel.org/r/20250311213628.569562-2-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/build/Makefile.build | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build
index 715092fc6a239..6a043b729b367 100644
--- a/tools/build/Makefile.build
+++ b/tools/build/Makefile.build
@@ -130,6 +130,10 @@ objprefix    := $(subst ./,,$(OUTPUT)$(dir)/)
 obj-y        := $(addprefix $(objprefix),$(obj-y))
 subdir-obj-y := $(addprefix $(objprefix),$(subdir-obj-y))
 
+# Separate out test log files from real build objects.
+test-y       := $(filter %_log, $(obj-y))
+obj-y        := $(filter-out %_log, $(obj-y))
+
 # Final '$(obj)-in.o' object
 in-target := $(objprefix)$(obj)-in.o
 
@@ -140,7 +144,7 @@ $(subdir-y):
 
 $(sort $(subdir-obj-y)): $(subdir-y) ;
 
-$(in-target): $(obj-y) FORCE
+$(in-target): $(obj-y) $(test-y) FORCE
 	$(call rule_mkdir)
 	$(call if_changed,$(host)ld_multi)
 
-- 
2.39.5