Le 01/03/2014 23:31, Bruce Dubbs a écrit :
> Pierre Labastie wrote:
>> Le 01/03/2014 21:14, Bruce Dubbs a écrit :
>>> Pierre Labastie wrote:
>>>
>>>>> It sounds like we need to add a check for libgmp on the host. Perhaps
>>>>> libmpfr and libmpc also.
>>>
>>>> It is the .la files, which fire the issue. I could reproduce the error with
>>>> lfs-7.5-rc1 as the host, by removing libgmp.la.
>>>>
>>>> Actually, neither Debian nor Arch provide those .la files. I have not
>>>> checked
>>>> Fedora yet.
>>>>
>>>> I am not sure what should be done. If users accept to install libgmp-dev,
>>>> libmpfr-dev, libmpc-dev on their host, the easiest would be to completely
>>>> remove the build of those packages for gcc-pass1. I'll try that. This would
>>>> imply that the host requirement be augmented with both libraries _and_
>>>> headers
>>>> checks.
>>>>
>>>> Otherwise, maybe just a note telling to remove the .la files (completely
>>>> removing them gives the cleanest build), at least for the course of the
>>>> build?
>>>
>>> Yes, on my system I have /usr/lib/libmpfr.la which contains
>>> dependency_libs=' /usr/lib/libgmp.la'.
>>>
>>> If we add the following to the host system requirements, would that be
>>> enough?
>>>
>>> [ -e /usr/lib/libmpfr.la ] && [ ! -e /usr/lib/libgmp.la ] &&
>>> echo "libgmp is missing"
>>>
>>> I'm going to hold off releasing 7.5 until we get this settled.
>>>
>>> -- Bruce
>>>
>> I think it is the idea of the fix, except that the libs may be in /usr/lib64
>> (as in Slackware64). The message should be changed though, since libgmp.so
>> might be installed without libgmp.la. Do not know exactly what to say:
>> "please
>> install a package with libgmp.la, or remove libmpfr.la" (too long...)
>
> Hmm. How about:
>
> if [ $(ls /usr/lib*/lib{mpfr,gmp,mpc}.so|wc -l) != 3 ]; then
> echo one of lib{mpfr,gmp,mpc}.so is missing
> fi
>
> -- Bruce
>
We have to test .la files... What about:
case "/usr/lib*/libmpfr.la,/usr/lib*/libgmp.la" in
*a,) echo libgmp.la is missing ;;
esac
Pierre
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