Re: [Boost-users] undefined reference to `boost::thread_resource_error::thread_resource_error()'

Subject: Re: [Boost-users] undefined reference to `boost::thread_resource_error::thread_resource_error()'
From: Stefano S (kindoblue_at_[hidden])
Date: 2009-12-20 14:04:08

Hi,

yes, you're right, those weak symbols are for the destructor. Probably I've
included the old headers and linked the new library.

Thanks for the help
Stefano

On Sat, Dec 19, 2009 at 6:06 AM, Steven Watanabe <watanabesj_at_[hidden]>wrote:

> AMDG
>
>
> Stefano wrote:
>
>> On ubuntu, I have a piece of software linking against the boost thread
>> library. Linking with boost version 1.40 I don't have any problem, whereas
>> switching to 1.41 I got the
>>
>> undefined reference to
>> `boost::thread_resource_error::thread_resource_error()'
>>
>> In the sources I see that this constructor is now inlined and if I do
>>
>> nm -C -D libboost_thread.so  | grep thread_resource_error
>>
>> from this (1.40)
>>
>> 0000ee80 T boost::thread_resource_error::thread_resource_error(int)
>> 0000ee00 T boost::thread_resource_error::thread_resource_error()
>> 0000ee40 T boost::thread_resource_error::thread_resource_error(int)
>> 0000edc0 T boost::thread_resource_error::thread_resource_error()
>> 0000f4c0 T boost::thread_resource_error::~thread_resource_error()
>> 0000f500 T boost::thread_resource_error::~thread_resource_error()
>> 0000f530 T boost::thread_resource_error::~thread_resource_error()
>> 0000eec0 T boost::thread_resource_error::what() const
>> 00013e00 V typeinfo for boost::thread_resource_error
>> 0000ffc0 V typeinfo name for boost::thread_resource_error
>> 00013d98 V vtable for boost::thread_resource_error
>>
>> I got this (1.41)
>>
>> 0000b6e0 W boost::thread_resource_error::~thread_resource_error()
>> 0000b720 W boost::thread_resource_error::~thread_resource_error()
>> 0000b480 W boost::thread_resource_error::what() const
>> 0001282c V typeinfo for boost::thread_resource_error
>> 0000ed00 V typeinfo name for boost::thread_resource_error
>> 00012848 V vtable for boost::thread_resource_error
>>
>> The symbol is weak now. I should be  not a problem, right?
>>
>
> No, the constructor is not there.  What you see is the destructor.
>
>
>  But I got the unresolved ref
>>
>> What is the best option to have my stuff compiled without the unresolved
>> refs?
>>
>
>
> Are you absolutely sure that you compiled with the 1.41 headers?
>
> In Christ,
> Steven Watanabe
>
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