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Re: Re: missing libmpfr1 in cygwin 64 bit installation
- From: Max Seidenstücker <max dot seidenstuecker at googlemail dot com>
- To: John Dallaway <john at dallaway dot org dot uk>
- Cc: Stephen Finney <shf at pfinc dot com>, eCos Discussion <ecos-discuss at sourceware dot org>
- Date: Thu, 22 Aug 2013 10:52:19 +0200
- Subject: Re: Re: missing libmpfr1 in cygwin 64 bit installation
- References: <1956b42e6f6524c70396571ab97bad4f at mail dot gmail dot com> <5215CFA0 dot 5000901 at dallaway dot org dot uk>
John is right, just use Cygwin 32-bit isntead of 64-bit. There might
be an issue with building in Windows with the newest TCL8.5 libary and
cygwin1.dll that use the same namespace.
This helped the colleagues having this problem recently:
http://stackoverflow.com/questions/9300722/cygwin-error-bash-fork-retry-resource-temporarily-unavailable
2013/8/22 John Dallaway <john@dallaway.org.uk>:
> Hi Stephen
>
> On 21/08/13 19:35, Stephen Finney wrote:
>
>> My latest computer is Windows 7 64 bit. I installed 64 bit cygwin so that
>> I can continue developing my ecos project. The "Installing Cygwin for use
>> with eCos" page specifically says to select libmpfr1 (and others). But
>> the 64 bit cygwin installer only has libmpfr4. I selected that package
>> and continued with the installation.
>>
>> After installing the arm-eabi cross compiler, I find that it will not run.
>> At a cygwin prompt, I typed "/op/ecos/gnutools/arm-eabi/bin/arm-eabi-gcc
>> -version" and got nothing back before a new prompt. It seems that
>> libmpfr1 is required for the eCos toolchains to run.
>
> Yes, libmpfr1 is required.
>
>> Can anyone tell me how to fix this problem?
>
> The Cygwin-hosted eCos toolchains were built before 64-bit Cygwin was
> available. These toolchains run just fine with a 32-bit Cygwin
> installation on 64-bit Windows 7 so, as a workaround, you might attempt
> a parallel installation of 32-bit Cygwin (including libmpfr1) on your
> new PC. It would be helpful to report back to this list.
>
> In the longer term, we will need to re-build the toolchains against
> libraries provided by 64-bit Cygwin.
>
> I hope this helps...
>
> John Dallaway
> eCos maintainer
> http://www.dallaway.org.uk/john
>
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