akhiezer wrote:
>> Date: Wed, 26 Feb 2014 16:28:48 -0600
>> From: Bruce Dubbs <bruce.du...@gmail.com>
>> To: LFS Developers Mailinglist <lfs-dev@linuxfromscratch.org>
>> Subject: Re: [lfs-dev] gcc pass 1/2 instructions re mpfr/gmp/mpc.
>>
>> Pierre Labastie wrote:
>>> Le 26/02/2014 22:47, Bruce Dubbs a écrit :
>>>> [ ! -e /usr/lib/libgmp.so ] && echo "/usr/lib/libgmp.so missing"
>>> Might not be so easy. On Debian we get:
>>> -----------
>>> pierre@turboli:~$ [ ! -e /usr/lib/libgmp.so ] &&
>>> echo "/usr/lib/libgmp.so missing"
>>> /usr/lib/libgmp.so missing
>>> -------------
>>> while:
>>> ----------------
>>> pierre@turboli:~$ ldd /usr/lib/gcc/x86_64-linux-gnu/4.8.2/cc1
>>>           linux-vdso.so.1 (0x00007fff765fe000)
>>>           libcloog-isl.so.4 => /usr/lib/x86_64-linux-gnu/libcloog-isl.so.4
>>> (0x00007fe4aca72000)
>>>           libisl.so.10 => /usr/lib/x86_64-linux-gnu/libisl.so.10
>>> (0x00007fe4ac735000)
>>>           libmpc.so.3 => /usr/lib/x86_64-linux-gnu/libmpc.so.3 
>>> (0x00007fe4ac51c000)
>>>           libmpfr.so.4 => /usr/lib/x86_64-linux-gnu/libmpfr.so.4
>>> (0x00007fe4ac2c1000)
>>>           libgmp.so.10 => /usr/lib/x86_64-linux-gnu/libgmp.so.10
>>> (0x00007fe4ac049000)
>>> [...]
>>> ------------------
>>> (sorry for line breakage)
>>
>> Maybe
>>
>> if [ $(find /usr/lib -name libmpc.so\* | wc -l) == 0 ]; then
>>     echo "libmpc libraries are not installed"
>> fi
>>
>
>
> Iirc from thread - but have not gone back to check yet - gcc was looking
> in a set of ~standard search paths; will try to re-check over the weekend.
>
>
> But in any case, might it be prudent to not put stuff in the book re this,
> until it can be reproduced; wasn't really meaning for stuff to go straight
> into book without that; instead, the post was more to get the ball rolling
> again on finally nailing this one yes/no.

I agree.

>
> If there is a confirmed general-enough problem, but not confirmed 'til
> post-release of lfs-7.5, then it could go into book as an erratum? One
> wouldn't, I'd expect, want to put stuff into host-sys-reqs now, then find
> they're not needed, and have to put in an erratum about _that_.

Yes, I think that's the right approach.

   -- Bruce

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