Re: [Boost-users] Boost::iostreams::device::file_descriptor* notimplemented?

Subject: Re: [Boost-users] Boost::iostreams::device::file_descriptor* notimplemented?
From: Eric MALENFANT (Eric.Malenfant_at_[hidden])
Date: 2009-08-21 09:30:02

Grzegorz Slodkowicz wrote:
> Hi,
> 
> I can't seem to get file_descriptor* family of classes to
> work.

[snip]
> 
> Here's what happens when I try to compile (under Mac OS X):
> 
> erato:bioinf jergosh$ g++ -I/usr/local/boost_1_39_0 -o
> fdboost fdboost.cpp
> Undefined symbols:
>   "boost::iostreams::file_descriptor::file_descriptor(int, bool)",
> referenced from: 
[snip]
> ld: symbol(s) not found
> collect2: ld returned 1 exit status
> 
> What am I missing here?
> 

A part of the implementation of the file_descriptors is not header-only,
see libs/iostreams/src/file_descriptor.cpp. You thus have to build the
iostreams lib and link it.