Ubuntu中文论坛

在编译caffe时，运行完sudo make all后运行sudo make test,出现错误：

LD .build_release/src/caffe/test/test_bias_layer.o
LD .build_release/src/caffe/test/test_solver_factory.o
LD .build_release/src/caffe/test/test_accuracy_layer.o
LD .build_release/src/caffe/test/test_hdf5_output_layer.o
LD .build_release/src/caffe/test/test_inner_product_layer.o
LD .build_release/src/caffe/test/test_lstm_layer.o
LD .build_release/src/caffe/test/test_random_number_generator.o
LD .build_release/src/caffe/test/test_benchmark.o
LD .build_release/src/caffe/test/test_upgrade_proto.o
.build_release/src/caffe/test/test_benchmark.o：在函数‘void boost::this_thread::sleep<boost::date_time::subsecond_duration<boost::posix_time::time_duration, 1000l> >(boost::date_time::subsecond_duration<boost::posix_time::time_duration, 1000l> const&)’中：
test_benchmark.cpp:(.text._ZN5boost11this_thread5sleepINS_9date_time18subsecond_durationINS_10posix_time13time_durationELl1000EEEEEvRKT_[_ZN5boost11this_thread5sleepINS_9date_time18subsecond_durationINS_10posix_time13time_durationELl1000EEEEEvRKT_]+0x262)：对‘boost::this_thread::hiden::sleep_until(timespec const&)’未定义的引用
collect2: error: ld returned 1 exit status
Makefile:615: recipe for target '.build_release/test/test_benchmark.testbin' failed
make: *** [.build_release/test/test_benchmark.testbin] Error 1
make: *** 正在等待未完成的任务....

请问是什么原因，急