ThreadQueue.h:
------------------------------------------
#include <boost/thread/mutex.hpp>
#include <queue>


template<class T>
class ThreadQueue {
	public:
		void insert(T& elem);
		T get();
	private: 
		boost::mutex lock;
		queue<T> q; // <-- it complains here
};

------------------------------------------

g++ -I/home/merten/local/include/boost-1_34 -O0 -g3 -Wall -c -fmessage-length=0 -pthread -MMD -MP -MF"src/Consumer.d" -MT"src/Consumer.d" -o"src/Consumer.o" "../src/Consumer.cpp"
In file included from ../src/Consumer.h:5,
                 from ../src/Consumer.cpp:3:
../src/ThreadQueue.h:15: error: 'queue' is used as a type, but is not defined as a type.