Re: [Boost-users] "Compiler threading support not turned on" error

From: John Maddock (john_at_[hidden])
Date: 2004-09-24 05:13:25

> I'm attempting to use Boost.threads on Mac OS X 10.3 and am getting the 
> error "Compiler threading support is not turned on" when trying to 
> compile. I'm using Xcode, which is Apple's IDE, so I'm not sure what to do 
> when the error text helpfully suggests I set the correct command line 
> option. As far as I know, there's nothing extra that you have to do to 
> enable threading support in the compiler. I've written multi-threaded apps 
> using pthreads and never had to deal with command line options. Any 
> suggestions?

It means BOOST_HAS_THREADS is not getting defined by the Boost config 
system: have you replaced changed this from the defaults at all?  I ask 
because boost/config/compiler/gcc.hpp should definitely be defining that 
symbol on OS X.

John.