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

Daniel Kahn Gillmor dkg at fifthhorseman.net
Tue Jul 22 21:05:45 PDT 2014


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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