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[tcpcrypt-dev] tcpcrypt portability [was: Re: new tcpcrypt version and IETF meeting]

Andrea Bittau bittau at cs.stanford.edu
Tue Jul 22 21:18:47 PDT 2014


pushed a fix - try now.

yeah we want multi architecture.  just don't have a box to test it on.


On Tue, Jul 22, 2014 at 9:05 PM, Daniel Kahn Gillmor
<dkg at fifthhorseman.net> wrote:
> On 07/22/2014 10:55 PM, Daniel Kahn Gillmor wrote:
>> Building on powerpc, i also get some hard failures:
>>
>> gcc -DHAVE_CONFIG_H -I. -I..    -I../include/ -g -O2 -Wall -Wno-deprecated-declarations -MT tcpcryptd-profile.o -MD -MP -MF .deps/tcpcryptd-profile.Tpo -c -o tcpcryptd-profile.o `test -f 'profile.c' || echo './'`profile.c
>> profile.c: In function ‘get_tsc’:
>> profile.c:70:9: error: impossible constraint in ‘asm’
>>          __asm__ volatile (".byte 0x0f, 0x31" : "=A" (t));
>>          ^
>>
>> Is there an expectation that tcpcrypt will only work on
>
> whoops, i didn't finish this sentence, sorry.  Is there an expectation
> that tcpcrypt will only work on some architectures?  it would be much
> very nice if we could get it to be portable, i think.
>
>         --dkg
>
>
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