diff -Naur boost_1_35_0.orig/libs/thread/src/pthread/thread.cpp boost_1_35_0/libs/thread/src/pthread/thread.cpp --- boost_1_35_0.orig/libs/thread/src/pthread/thread.cpp 2008-05-08 06:18:57.000000000 -0400 +++ boost_1_35_0/libs/thread/src/pthread/thread.cpp 2008-05-08 06:20:15.000000000 -0400 @@ -419,7 +419,7 @@ #if defined(PTW32_VERSION) || defined(__hpux) return pthread_num_processors_np(); #elif defined(__linux__) - return get_nprocs(); + return 1; #elif defined(__APPLE__) || defined(__FreeBSD__) int count; size_t size=sizeof(count);