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List:       busybox
Subject:    Re: TLS support fails to build on i686 with gcc 4.8
From:       Denys Vlasenko <vda.linux () googlemail ! com>
Date:       2017-07-30 23:31:14
Message-ID: CAK1hOcO8XVJP6W8NqPFt0UzpwVtv4PQyxOSEeaL4Vw7QnV=r_g () mail ! gmail ! com
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On Sun, Jul 30, 2017 at 3:24 PM, Thomas Petazzoni
<thomas.petazzoni@free-electrons.com> wrote:
> Hello,
>
> Using a fairly old gcc 4.8 toolchain for i686, the latest Busybox
> 1.27.1 release fails to build fails:
>
> networking/tls_pstm_mul_comba.c: In function 'pstm_mul_comba':
> networking/tls_pstm_mul_comba.c:82:1: error: 'asm' operand has impossible constraints
>  asm(                                                      \
>  ^
> networking/tls_pstm_mul_comba.c:279:4: note: in expansion of macro 'MULADD'
>     MULADD(*tmpx++, *tmpy--);
>     ^
> scripts/Makefile.build:197: recipe for target 'networking/tls_pstm_mul_comba.o' failed
> make[3]: *** [networking/tls_pstm_mul_comba.o] Error 1
> make[3]: *** Waiting for unfinished jobs....

Does this help?

https://git.busybox.net/busybox/commit/?id=79376ecdbd2fff83795dfcbddf5a0cc5eed3adf9
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