while cmake looks OK I meet problem during make command: ********************************************************************************************************************************* [ 20%] Building CXX object src/boost/CMakeFiles/boost.dir/home/twasiutynsk/alps-2.2.b3-r7462-src-with-boost/boost/libs/thread/src/pthread/once.cpp.o In file included from /home/twasiutynsk/alps-2.2.b3-r7462-src-with-boost/boost/boost/atomic.hpp:12:0, from /home/twasiutynsk/alps-2.2.b3-r7462-src-with-boost/boost/boost/thread/pthread/once_atomic.hpp:20, from /home/twasiutynsk/alps-2.2.b3-r7462-src-with-boost/boost/boost/thread/once.hpp:20, from /home/twasiutynsk/alps-2.2.b3-r7462-src-with-boost/boost/libs/thread/src/pthread/./once_atomic.cpp:9, from /home/twasiutynsk/alps-2.2.b3-r7462-src-with-boost/boost/libs/thread/src/pthread/once.cpp:8: /home/twasiutynsk/alps-2.2.b3-r7462-src-with-boost/boost/boost/atomic/atomic.hpp:202:16: error: ‘uintptr_t’ was not declared in this scope typedef atomic<uintptr_t> atomic_uintptr_t; ^ /home/twasiutynsk/alps-2.2.b3-r7462-src-with-boost/boost/boost/atomic/atomic.hpp:202:25: error: template argument 1 is invalid typedef atomic<uintptr_t> atomic_uintptr_t; ^ /home/twasiutynsk/alps-2.2.b3-r7462-src-with-boost/boost/boost/atomic/atomic.hpp:202:43: error: invalid type in declaration before ‘;’ token typedef atomic<uintptr_t> atomic_uintptr_t; ********************************************************************************************************************************** is it connected with my compiler or alps source? In the past on the other machine compilation went smooth. Regards