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

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Date:   Tue, 13 Feb 2018 14:25:10 -0700
From:   Shuah Khan <shuahkh@....samsung.com>
To:     Daniel Díaz <daniel.diaz@...aro.org>,
        linux-kselftest@...r.kernel.org
Cc:     Anders Roxell <anders.roxell@...aro.org>,
        Shuah Khan <shuah@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        open list <linux-kernel@...r.kernel.org>,
        Shuah Khan <shuahkh@....samsung.com>
Subject: Re: [PATCH v2] selftests: sync: missing CFLAGS while compiling

On 02/06/2018 03:23 PM, Daniel Díaz wrote:
> 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 $@
> 

Thanks for the patch. Applied to linux-kselftest fixes for 4.16-rc3

thanks,
-- Shuah