[BUG] libDSS.so has broken linkage on hardened linux

[Boriss Mejias]

Hi guys,

I just applied the patch of Keri and run ./reconf.sh but it didn't change 
anything. The reason is that the reconf script searches for configure.in 
files, but the one at platform/dss is called config.in, so the reconstruction 
is not invoked. I changed the name of the file and it generated some 
completely different configure file, so I don't want to add it to the 
repository because it might break many things.

I had a look at the history of this file, and I see that Raph and Yves edited 
it. Did you guys do it by hand? or did you use some other script to generate it?

cheers
Boriss


Raphael Collet wrote:
> Dear Keri,
> 
> Thanks a lot for the patches you sent.  This really helps, since I am 
> really not good for all these configure/linking stuff.  I will push your 
> patches on the svn trunk and branch mozart-1-4-x on Monday.  They will 
> be part of Mozart 1.4.1, which should probably show up soon.
> 
> Cheers,
> raph
> 
> Keri Harris wrote:
>> DSS linked dynamically on a linux system with a hardened kernel is 
>> causing problems due to TEXTRELs:
>>
>> $ scanelf -qyRF '%T %p' libDSS.so
>>   libDSS.so: _ZTV14ThreadMediator [0x41B7E] in (optimized out: 
>> previous _ZN14ThreadMediatorC2Ev) [0x41B7C]
>>   libDSS.so: _ZTV14ThreadMediator [0x41B82] in (optimized out: 
>> previous _ZN14ThreadMediatorC2Ev) [0x41B7C]
>> <snip>
>>   libDSS.so: 
>> _ZN13_dss_internal11DksBackbone24m_installBackboneServiceEPNS_12LargeMessageE 
>> [0x82AE8] in (optimized out: previous 
>> _ZN13_dss_internal11DksBackbone15m_receivedRouteEiPNS_10DksMessageE) 
>> [0x82994]
>>   libDSS.so: _ZN13_dss_internal12LargeMessage7isEmptyEv [0x82964] in 
>> (optimized out: previous 
>> _ZN13_dss_internal11DksBackbone19m_newResponsabilityEiiiPNS_10DksMessageE) 
>> [0x8291C]
>> libDSS.so
>>
>> $ scanelf -qyRF '%T %p' libDSS.so | wc -l
>> 5329
>>
>> libDSS.so should be linked as PIC. The attached patch addresses this.
>>
>>
>> ------------------------------------------------------------------------
>>
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