linux-kernel - Re: [PATCH 2/2] selftests: sgx: Treat CC as one argument

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Date:   Thu, 10 Feb 2022 13:52:04 -0700
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Muhammad Usama Anjum <usama.anjum@...labora.com>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Shuah Khan <shuah@...nel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Borislav Petkov <bp@...e.de>,
        Jethro Beekman <jethro@...tanix.com>,
        "open list:INTEL SGX" <linux-sgx@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Shuah Khan <skhan@...uxfoundation.org>
Cc:     kernel@...labora.com, kernelci@...ups.io,
        "kernelci.org bot" <bot@...nelci.org>
Subject: Re: [PATCH 2/2] selftests: sgx: Treat CC as one argument

On 2/10/22 12:06 PM, Muhammad Usama Anjum wrote:
> CC can have multiple sub-strings like "ccache gcc". For check_cc.sh,
> CC needs to be treated like one argument. Put double quotes around it to
> make CC one string and hence one argument.
> 
> Fixes: 2adcba79e69d ("selftests/x86: Add a selftest for SGX")
> Reported-by: "kernelci.org bot" <bot@...nelci.org>
> Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
> ---
>   tools/testing/selftests/sgx/Makefile | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/sgx/Makefile b/tools/testing/selftests/sgx/Makefile
> index 2956584e1e37f..75af864e07b65 100644
> --- a/tools/testing/selftests/sgx/Makefile
> +++ b/tools/testing/selftests/sgx/Makefile
> @@ -4,7 +4,7 @@ include ../lib.mk
>   
>   .PHONY: all clean
>   
> -CAN_BUILD_X86_64 := $(shell ../x86/check_cc.sh $(CC) \
> +CAN_BUILD_X86_64 := $(shell ../x86/check_cc.sh "$(CC)" \
>   			    ../x86/trivial_64bit_program.c)
>   
>   ifndef OBJCOPY
> 

The intent is testing if $CC is set. Does this change work when
$CC is not set?

thanks,
-- Shuah