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Subject: Re: gcc/clang interoperability problem with a custom "samba" build in
 recent -current.
To: Dimitry Andric <dim@FreeBSD.org>, Yuri Pankov <yuripv@yuripv.net>
Cc: freebsd-current <freebsd-current@freebsd.org>
References: <abe47622-ba13-7c3f-9ddd-51c9fd3c40cd@freebsd.org>
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 <c77253cd-3fca-a3a6-2f98-73ecb8c656bc@yuripv.net>
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From: Julian Elischer <julian@freebsd.org>
Message-ID: <0a54cb6e-f528-df63-57f2-6caa3d76ff6c@freebsd.org>
Date: Wed, 25 Jul 2018 00:40:11 +0800
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On 22/7/18 4:32 am, Dimitry Andric wrote:
> On 21 Jul 2018, at 21:11, Yuri Pankov <yuripv@yuripv.net> wrote:
>> Yuri Pankov wrote:
>>> Julian Elischer wrote:
> ...
>>>>> anyone know if there is a clang equivalent of -Wp, -E,-lang-asm?
>>> In later GCC versions the cpp's -lang-asm seems to be deprecated in
>>> favor of -x assembler-with-cpp as it conflicts with -l option.
>>> Could you try changing the -Wp,-E,-lang-asm to -Wp,-E,-xassembler-with-cpp?
>> Just tried it myself, and if you indeed mean the third_party/aesni-intel/aesni-intel_asm.c, the following seems to work for me:
>>
>> clang -xassembler-with-cpp -c third_party/aesni-intel/aesni-intel_asm.c
> Yes, that is exactly what I suggested to Julian on IRC.  The point is
> that the ".c" extension is misleading, it should more likely be a ".S"
> extension.  But maybe this source file is used for multiple purposes.
>
> Note that -x assembler-with-cpp should also work fine for gcc.
>
> -Dimitry
>
thanks

I tried that but the version of the file we have has several lines 
that caused problems...

a lot of the assembler has assembler comments (starting with '#') 
which clang complained about and died..

it also had #.align 4

which I HOPE is just a commented out line..