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bug#20272: Support reproducible builds

From: Andy Wingo
Subject: bug#20272: Support reproducible builds
Date: Mon, 20 Jun 2016 17:46:27 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)

On Thu 04 Feb 2016 03:41, Mark H Weaver <address@hidden> 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.


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