linux-kernel - Re: [PATCH] selftests/interpreter: fix separate directory build

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Date:   Thu, 3 Mar 2022 14:39:37 -0700
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Muhammad Usama Anjum <usama.anjum@...labora.com>,
        Shuah Khan <shuah@...nel.org>
Cc:     kernel@...labora.com, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH] selftests/interpreter: fix separate directory build

On 3/3/22 4:06 AM, Muhammad Usama Anjum wrote:
> Separate directory build fails of this test as headers include path isn't
> set correctly in that case. Fix it by including KHDR_INCLUDES.
> 
> make -C tools/testing/selftests O=build1
> gcc -Wall -O2 -I../../../../usr/include    trust_policy_test.c -lcap -o /linux_mainline/build1/kselftest/interpreter/trust_policy_test
> trust_policy_test.c:14:10: fatal error: linux/trusted-for.h: No such file or directory
>     14 | #include <linux/trusted-for.h>
>        |          ^~~~~~~~~~~~~~~~~~~~~
> compilation terminated.
> 
> Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
> ---
>   tools/testing/selftests/interpreter/Makefile | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/interpreter/Makefile b/tools/testing/selftests/interpreter/Makefile
> index 7402fdb6533f..51dde8e01e32 100644
> --- a/tools/testing/selftests/interpreter/Makefile
> +++ b/tools/testing/selftests/interpreter/Makefile
> @@ -1,6 +1,6 @@
>   # SPDX-License-Identifier: GPL-2.0
>   
> -CFLAGS += -Wall -O2 -I$(khdr_dir)
> +CFLAGS += -Wall -O2 -I$(khdr_dir) $(KHDR_INCLUDES)
>   LDLIBS += -lcap
>   

Change looks fine to me.

>   src_test := $(wildcard *_test.c)
> 

I am not seeing this test in linux-kselftest next for sure. Which tree is
this patch based on? Please  add the repo info to the patch subject line
in the future.

Either way I don't have the patch that added in liunx-kselftest repo:

Reviewed-by: Shuah Khan <skhan@...uxfoundation.org>

thanks,
-- Shuah