title: error : BOOST DISABLE THREADS
body: <p>i have some problem with my boost library. i m using freebsd and installed my boost using ports. Boost version is : 1.45 and i use g++47 as compiler. Also i have never defined BOOST DISABLE THREADS  at there : /usr/local/include/boost/config/user.hpp .Also exactly my error is :</p>
  
  <pre><code> /usr/local/include/boost/config/requires_threads.hpp:29:4: error: #error "Threading    support unavaliable: it has been explicitly disabled with BOOST_DISABLE_THREADS" 
  </code></pre>
  
  <p>explicitly but where ?? And my compile command;</p>
  
  <pre><code> g++47 -O3 -Wall -std=c++0x   -I. -Iinclude -I../include -I/usr/local/include   -c -o     Application.o src/Application.cpp
  </code></pre>
  
  <p>Thanks </p>