Re: [Boost-users] Fwd: Getting ASIO application to link (undefined reference to `boost::system::generic_category()) (SOLVED)

Subject: Re: [Boost-users] Fwd: Getting ASIO application to link (undefined reference to `boost::system::generic_category()) (SOLVED)
From: Bjorn Reese (breese_at_[hidden])
Date: 2013-09-18 06:47:12

On 09/18/2013 08:40 AM, Ulf Samuelsson wrote:

> No, the solution is simple. The -l<library> must be AFTER the reference
> to the object files.
>
> FAIL:     g++ -lboost_system myfile.o
> OK:       g++ myfile.o -lboost_system
>
> Maybe there is a good reason for this.

Many linkers are single-pass linkers because that gives better linking
speed. See "The linking process" section of:

http://eli.thegreenplace.net/2013/07/09/library-order-in-static-linking/