GNU bug report logs - #10681
GNU Guile 2.0.5 released

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Message #29 received at 10681 <at> debbugs.gnu.org (full text, mbox):

From: Hans Aberg <haberg-1 <at> telia.com>
To: Mark H Weaver <mhw <at> netris.org>
Cc: 10681 <at> debbugs.gnu.org, Ludovic Courtès <ludo <at> gnu.org>
Subject: Re: bug#10681: GNU Guile 2.0.5 released
Date: Tue, 31 Jan 2012 20:41:41 +0100

On 31 Jan 2012, at 20:35, Mark H Weaver wrote:

>>>> The 'make check' gives this error, on OS X 10.7.2 using the compiler
>>>> i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 supplied by Xcode 4.2.1:
>>>> 
>>>> PASS: test-asmobs
>>>> bad return from expression `(f-sum -1 2000 -30000 40000000000)': expected 39999971999; got 39999972255
>>> 
>>> I may be stating the obvious here, but the -1, which is declared to be
>>> of type 'scm_t_int8' in the C function being called, is apparently being
>>> interpreted as 255.  This suggests that whatever is handling its
>>> promotion to a full int is failing to extend its sign bit.  I'm guessing
>>> that this is libffi's job.
>> 
>> It is broken (libffi from GIT, the only that works on OX 10.7):
> 
> You need to install DejaGnu in order to run libffi's test suite.
> <http://www.gnu.org/software/dejagnu/>

OK. I am rebuilding Guile. Stay tuned.

Hans

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