linux-kernel - [PATCH v2] selftests: sync: missing CFLAGS while compiling

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Date:   Tue,  6 Feb 2018 16:23:39 -0600
From:   Daniel Díaz <daniel.diaz@...aro.org>
To:     shuahkh@....samsung.com, linux-kselftest@...r.kernel.org
Cc:     Anders Roxell <anders.roxell@...aro.org>,
        Daniel Díaz <daniel.diaz@...aro.org>,
        Shuah Khan <shuah@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v2] selftests: sync: missing CFLAGS while compiling

From: Anders Roxell <anders.roxell@...aro.org>

Based on patch: https://patchwork.kernel.org/patch/10042045/

arch64-linux-gnu-gcc -c sync.c -o sync/sync.o
sync.c:42:29: fatal error: linux/sync_file.h: No such file or directory
 #include <linux/sync_file.h>
                             ^
CFLAGS is not used during the compile step, so the system instead of
kernel headers are used.  Fix this by adding CFLAGS to the OBJS compile
rule.

Reported-by: Lei Yang <Lei.Yang@...driver.com>
Signed-off-by: Anders Roxell <anders.roxell@...aro.org>
Signed-off-by: Daniel Díaz <daniel.diaz@...aro.org>
---
 tools/testing/selftests/sync/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/sync/Makefile b/tools/testing/selftests/sync/Makefile
index b3c8ba3..d0121a8 100644
--- a/tools/testing/selftests/sync/Makefile
+++ b/tools/testing/selftests/sync/Makefile
@@ -30,7 +30,7 @@ $(TEST_CUSTOM_PROGS): $(TESTS) $(OBJS)
 	$(CC) -o $(TEST_CUSTOM_PROGS) $(OBJS) $(TESTS) $(CFLAGS) $(LDFLAGS)
 
 $(OBJS): $(OUTPUT)/%.o: %.c
-	$(CC) -c $^ -o $@
+	$(CC) -c $^ -o $@ $(CFLAGS)
 
 $(TESTS): $(OUTPUT)/%.o: %.c
 	$(CC) -c $^ -o $@
-- 
2.7.4