Re: [Boost-build] __sync_val_compare_and_swap_4

Subject: Re: [Boost-build] __sync_val_compare_and_swap_4
From: Oliver Kowalke (k-oli_at_[hidden])
Date: 2010-07-22 10:38:38

I got the same error on ARM. It seams that the version I used (gcc 4.3. I beleive) did not implement the atomic ops. Upgrade to gcc 4.4.4 helped me for ARM. Maybe you too.

Oliver

-------- Original-Nachricht --------
> Datum: Wed, 21 Jul 2010 13:38:07 +0530
> Von: Madhukar Sandi <Madhukar.Sandi_at_[hidden]>
> An: "Boost.Build developer\'s and user\'s list" <boost-build_at_[hidden]>
> Betreff: [Boost-build] __sync_val_compare_and_swap_4

> Hi
> 
> When im doing cross compiling boost libraries on Cronus mips board.
> 
> I am getting below error
> 
> undefined reference to `__sync_val_compare_and_swap_4'
> 
> Please any one have solution , pls share with me
> 
> 
> user_at_user-desktop:~/madhukar/boost/boost_1_43_0/workspace/interprocess/messageque$
> mips-linux-g++ -lpthread -lrt -g  -march=mips32
> comp_doc_message_queueA.cpp -o mess -I/home/user/madhukar/boost/boost_1_43_0/
> ../../../stage/lib/libboost_thread.a
> 
> I got below error....
> 
> /tmp/ccVKlA7S.o:/home/user/madhukar/boost/boost_1_43_0/boost/interprocess/detail/atomic.hpp:306:
> undefined reference to `__sync_val_compare_and_swap_4'
> collect2: ld returned 1 exit status
> 
> Thanks & Regards
> Madhukar Sandi
> 
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