Mike Frysinger wrote:
> On Wednesday 19 August 2009 17:01:27 Thomas Kahle wrote:
>> Peter Volkov wrote:
>>> В Срд, 12/08/2009 в 00:03 +0200, Thomas Kahle пишет:
>>>> the following check in configure.ac fails with --as-needed but works
>>>> without it. Any hints what is wrong ? Thanks / Thomas
>>> Common reason for failure with --as-needed is the order of libraries. In
>>> you previous mail you wrote that with
>>>
>>> sed "s/\"-lntl\"/\"-lntl\" \"-lgf2x -lntl\"/" -i "${S}/configure.ac"
>>>
>>> it works but here:
>>>> for lib in "" "-lntl" "-lntl -lgf2x"
>>> I see different order. Try to change order of -lgf2x and -lntl inside
>>> ebuild. Also
>> This change of order is actually since I tried what you suggested. I
>> find that this check fails just because the compile fails. It has
>> nothing to do with configure. So here is my problem stripped down:
>>
>> $cat ntlcheck.c
>> #include <NTL/tools.h>
>> int main () { _ntl_GetTime(); }
>>
>> g++ ntlcheck.c -lntl -lgf2x
>> works
> 
> this is a bug in libntl.so.  it uses gf2x symbols but doesnt link against it 
> in libntl.so.  you shouldnt have to also link against libgf2x.so.
> -mike

Thanks => bug #282174

Thomas


-- 
Thomas Kahle

The fundamental theorem of algebra is open source. Like any other
mathematical theorem it can be applied free of charge and everybody
has access to its proof and can convince himself how it works. Why
should software be any different?