Re: [Boost-users] Undefined Reference to 'boost::system::generic_category()'

Subject: Re: [Boost-users] Undefined Reference to 'boost::system::generic_category()'
From: Leon Mlakar (leon_at_[hidden])
Date: 2016-06-16 10:38:09

On 16.06.2016 16:27, Blair Climenhaga wrote:
> Hello Leon,
>
> Thanks for your quick response! I'm not sure if I understand what you 
> mean (my fault not yours). I typed "-lboost_system" and 
> "-lboost_thread" into the command line of the terminal however both 
> types it returned the error message "command not found". I assume you 
> mean to add these lines to the .bashrc or to the install file for 
> openfoam. Is this correct?
No, I meant append them as the command line parameters to the command 
you use to (compile and) link whatever program you are building. As the 
simplest example:

     $ g++ a,cpp -o a -lboost_system -lboost_thread

or perhaps:

     $ g++ a,cpp -o a -L /usr/local/lib -lboost_system-mt -lboost_thread-mt

as I have to on my Mac where brew Boost gets installed in /usr/local. 
I'm also not sure whether Ubuntu installs both -mt and non-mt 
(multi-threading support) variants.

Cheers,

Leon
>
> You are correct that the boost files are downloaded to the /usr/lib, 
> however searching through the lib directory I find that the most 
> similar libraries to those discussed are the 
> "libboost_system.so.1.54.0" and "libboost_thread.so.1.54.0" files, are 
> these the correct files? Again thank you for all your help, I really 
> appreciate it.
>
> All the best,
> Blair Climenhaga
>
> ------------------------------------------------------------------------
> To: boost-users_at_[hidden]
> From: leon_at_[hidden]
> Date: Thu, 16 Jun 2016 16:07:32 +0200
> Subject: Re: [Boost-users] Undefined Reference to 
> 'boost::system::generic_category()'
>
> On 16.06.2016 16:00, Blair Climenhaga wrote:
>
>     Thanks Maarten,
>
>     How would I go about linking -lboost_system and -lboost_thread?
>     I'm sorry, I am just starting out with Linux. I should say that I
>     am using Ubuntu 14.04. Thanks in advance for any and all help you
>     can provide.
>
>
> Exactly the way you've written: add "-lboost_system -lboost_thread" to 
> the command line. If you installed Ubuntu's boost-all-dev package the 
> libraries should already be under /usr/li where linker will find t 
> hem;; if not add -L<path-to-directory-containing-libraries> to tell 
> the linker where the libraries are.
>
> Cheers,
>
> Leon
>
>
>     All the best,
>     Blair Climenhaga
>
>
>     ------------------------------------------------------------------------
>     From: maarten_at_[hidden] <mailto:maarten_at_[hidden]>
>     Date: Wed, 15 Jun 2016 22:29:16 +0200
>     To: boost-users_at_[hidden] <mailto:boost-users_at_[hidden]>
>     Subject: Re: [Boost-users] Undefined Reference to
>     'boost::system::generic_category()'
>
>
>
>     On 15 June 2016 at 21:24, Blair Climenhaga
>     <blairclimenhaga_at_[hidden] <mailto:blairclimenhaga_at_[hidden]>>
>     wrote:
>
>         Hello everyone,
>
>         I have been attempting to install OpenFOAM however the boost
>         library has been giving me trouble, most recently reading out
>         these error during OpenFOAM installation.
>
>         undefined reference to `boost::system::generic_category()'
>         undefined reference to `boost::system::system_category()'
>
>
>     You need to link with -lboost_system (or equivalent for whatever
>     name your platform uses)​. Most libraries in boost are header
>     only, but that is not true for everything. Boost system is one of
>     the libraries that needs a compiled library.
>
>         undefined reference to `boost::detail::set_tss_data(void
>         const*,
>         boost::shared_ptr<boost::detail::tss_cleanup_function>, void*,
>         bool)'
>         undefined reference to `boost::detail::get_tss_data(void const*)'
>
>
>     Similar problem, link with -lboost_thread​
>
>     Regards,
>     ​Maarten
>
>
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