[Clfs-dev] multilib 10.(12 14) mpfr/mpc 32_bit

[Pierre Lorenzon]

Hi,

Chris was right. The adjusting tools chain had not been
performed probably due to a misstake.

Sorry !

Pierre

From: Pierre Lorenzon <devel at pollock-nageoire.net>
Subject: Re: [Clfs-dev] multilib 10.(12 14) mpfr/mpc 32_bit
Date: Thu, 09 Jan 2014 08:31:52 +0100 (CET)

> From: Chris Staub <chris at beaker67.com>
> Subject: Re: [Clfs-dev] multilib 10.(12 14) mpfr/mpc 32_bit
> Date: Wed, 08 Jan 2014 12:31:14 -0500
> 
>> On 01/08/14 12:07, Pierre Lorenzon wrote:
>>>
>>> Hi,
>>>
>>> I exprerimented following problem :
>>>
>>> checking for __gmpz_init in -lgmp... no configure: error:
>>> libgmp not found or uses a different ABI (including static vs
>>> shared).  Please read the INSTALL file -- see "In case of
>>> problem".  Both with mpfr and mpc when compiling for 32 bits
>>> libraries. 64 bits seems to make no problem.
>>>
>>> I solved the problem for mpfr by passing the --with-gmp=/usr to
>>> the configure script and will see if it works as well for
>>> mpc. The system behaves as if the code was linked against a non
>>> suitable gmp. The one in cross-tools ? I cannot figure out
>>> myself what is the problem. Indeed le linking options passed to
>>> ld seems to say that the libraries have to be found in /usr/lib
>>> or /lib. Why seems this flag to be inefficient at this point :
>>> I do not know even if the error reported in the config.log file
>>> has to delal with the linking stage :
>>>
>>> configure:13214: checking for __gmpz_init in -lgmp
>>> configure:13239: gcc -isystem /usr/include -m32 -o conftest -g
>>> -O2 -Wl,-rpath-link,/usr/lib:/lib -m32 conftest.c -lgmp -lm >&5
>>> /tools/lib64/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../x86_64-unknown-linux-gnu/bin/ld:
>>> skipping incompatible
>>> /tools/lib64/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../libgmp.so
>>> when searching for -lgmp
>>> /tools/lib64/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../x86_64-unknown-linux-gnu/bin/ld:
>>> skipping incompatible
>>> /tools/lib64/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../libgmp.a
>>> when searching for -lgmp
>>> /tools/lib64/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../x86_64-unknown-linux-gnu/bin/ld:
>>> skipping incompatible /tools/lib64/libgmp.so when searching for
>>> -lgmp
>>> /tools/lib64/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../x86_64-unknown-linux-gnu/bin/ld:
>>> skipping incompatible /tools/lib64/libgmp.a when searching for
>>> -lgmp
>>> /tools/lib64/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../x86_64-unknown-linux-gnu/bin/ld:
>>> cannot find -lgmp
>>> collect2: error: ld returned 1 exit status
>>> configure:13239: $? = 1
>>> configure: failed program was:
>>>
>>> Regards
>>>
>>> Pierre
>> 
>> What is the result of this:
>> 
>> echo 'main(){}' > dummy.c
>> gcc ${BUILD32} dummy.c
>> readelf -l a.out | grep ': /lib'
> 
>   Empty ! So certainly bad ! You are certainly right something
>   went wrong when adjusting the tool chain. I'll have a look at
>   that !
> 
> 
>   Regards 
> 
>   Pierre
> 
> 
> 
> 
> 
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