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Subject: Re: [RFC PATCH 4/7] kconfig: support new special property shell=
To:     Ulf Magnusson <ulfalizer@gmail.com>,
        Masahiro Yamada <yamada.masahiro@socionext.com>
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From:   Randy Dunlap <rdunlap@infradead.org>
Message-ID: <246fedb8-d387-5a77-f05d-bf8a91dd6b22@infradead.org>
Date:   Sat, 10 Feb 2018 10:05:12 -0800
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On 02/10/2018 12:55 AM, Ulf Magnusson wrote:
> How many compilers don't support -fno-stack-protector by the way?
> 
> 	config CC_HAS_STACKPROTECTOR_STRONG
> 		bool
> 		option shell="$CC -Werror -fstack-protector-strong -c -x c /dev/null"
> 	
> 	config CC_HAS_STACKPROTECTOR_REGULAR
> 		bool
> 		option shell="$CC -Werror -fstack-protector -c -x c /dev/null"
> 	
> 	config CC_HAS_STACKPROTECTOR_NONE
> 		bool
> 		default y
> 		option shell="$CC -Werror -fno-stack-protector -c -x c /dev/null"

I ran:
gcc -Werror -fno-stack-protector -c -x c /dev/null

It worked (gcc (SUSE Linux) 4.8.5) but it did leave a null.o file for me.
Might need to add that to 'make clean' or just rm it immediately.


-- 
~Randy