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From: Achim Gratz <Stromeko AT nexgo DOT de>
To: cygwin AT cygwin DOT com
Subject: Re: gcc warning about MPFR header version
References: <54D23A4B DOT 4060807 AT cornell DOT edu> <87mw4t8yoh DOT fsf AT Rainer DOT invalid>	<54D27F84 DOT 2030709 AT cornell DOT edu>
Date: Wed, 04 Feb 2015 21:50:11 +0100
In-Reply-To: <54D27F84.2030709@cornell.edu> (Ken Brown's message of "Wed, 04	Feb 2015 15:22:28 -0500")
Message-ID: <87egq58kqk.fsf@Rainer.invalid>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux)
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Ken Brown writes:
> On 2/4/2015 10:49 AM, Achim Gratz wrote:
>> Ken Brown writes:
>>> While trying to build clisp on x86_64 Cygwin with 'gcc -v', I got the following:
>>>
>>>    warning: MPFR header version 3.1.2 differs from library version 3.1.2-p11.
>>>
>>> Does this indicate a problem, or can it be safely ignored?
>>
>> You need to install the latest version of libmpfr-devel (should be 3.1.2-2).
>
> That's what I have.

You should have this:

--8<---------------cut here---------------start------------->8---
$ grep MPFR_VERSION /usr/include/mpfr.h
#define MPFR_VERSION_MAJOR 3
#define MPFR_VERSION_MINOR 1
#define MPFR_VERSION_PATCHLEVEL 2
#define MPFR_VERSION_STRING "3.1.2-p11"
#define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
#define MPFR_VERSION \
MPFR_VERSION_NUM(MPFR_VERSION_MAJOR,MPFR_VERSION_MINOR,MPFR_VERSION_PATCHLEVEL)
--8<---------------cut here---------------end--------------->8---

If not, then please re-install -- I've just checked that the archives
are correct.  If yes, then check where your include comes from, you may
be picking up a bundled version of the header file or something from
/usr(local/include.

The patches haven't changed the API so the original header file isn't
wrong, but better safe then sorry.


Regards,
Achim.
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