GNU bug report logs - #20272
Support reproducible builds

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Message #20 received at 20272 <at> debbugs.gnu.org (full text, mbox):

From: Andy Wingo <wingo <at> pobox.com>
To: Mark H Weaver <mhw <at> netris.org>
Cc: 20272 <at> debbugs.gnu.org, Ludovic Courtès <ludo <at> gnu.org>
Subject: Re: bug#20272: Support reproducible builds
Date: Mon, 20 Jun 2016 17:46:27 +0200

On Thu 04 Feb 2016 03:41, Mark H Weaver <mhw <at> netris.org> writes:

>> Probably, ‘syntax-session-id’ would have to be a SRFI-39 parameter
>
> This might adversely affect the efficiency of our macro expander on
> platforms with slow thread local variables

I think you shouldn't worry about this.  The VM keeps a pointer to the
current thread, and accesses the dynamic state / dynamic stack from
there.  There are no pthread_getkey calls when accessing parameters in
the normal case.

Andy

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