woreom commented on issue #18471:
URL:
https://github.com/apache/incubator-mxnet/issues/18471#issuecomment-644219401
@leezu after the result of #18501, I used `ninja` to make mxnet although it
resulted in the error
```
[1/2] Linking CXX executable im2rec
FAILED: im2rec
: && /usr/bin/g++ -Wall -Wno-sign-compare -O3 -fopenmp -O3 -DNDEBUG
CMakeFiles/im2rec.dir/tools/im2rec.cc.o -o im2rec
-Wl,-rpath,/mnt/USB/.mxnet/mxnet/build:/usr/local/lib
/usr/lib/arm-linux-gnueabihf/libopenblas.so
/usr/lib/arm-linux-gnueabihf/librt.so -llapack libmxnet.so
3rdparty/dmlc-core/libdmlc.a /usr/local/lib/libopencv_highgui.so.4.0.0
/usr/local/lib/libopencv_videoio.so.4.0.0
/usr/local/lib/libopencv_imgcodecs.so.4.0.0
/usr/local/lib/libopencv_imgproc.so.4.0.0
/usr/local/lib/libopencv_core.so.4.0.0
/usr/lib/gcc/arm-linux-gnueabihf/7/libgomp.so
/usr/lib/arm-linux-gnueabihf/libpthread.so -lrt -ldl
/usr/lib/arm-linux-gnueabihf/libopenblas.so
/usr/lib/arm-linux-gnueabihf/librt.so -llapack && :
/usr/bin/ld: libmxnet.so: undefined reference to `__atomic_fetch_add_8'
/usr/bin/ld: libmxnet.so: undefined reference to `__atomic_fetch_sub_8'
/usr/bin/ld: libmxnet.so: undefined reference to `__atomic_store_8'
/usr/bin/ld: libmxnet.so: undefined reference to `__atomic_load_8'
collect2: error: ld returned 1 exit status
[2/2] Linking CXX executable tests/mxnet_unit_tests
FAILED: tests/mxnet_unit_tests
: && /usr/bin/g++ -Wall -Wno-sign-compare -O3 -fopenmp -O3 -DNDEBUG
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/engine/engine_shutdown_test.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/engine/omp_test.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/engine/thread_local_test.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/engine/threaded_engine_test.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/kvstore/gpu_topology_test.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/misc/base.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/misc/libinfo_test.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/activation_perf.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/batchnorm_test.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/coreop_perf.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/dropout_perf.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/fully_conn_perf.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/krprod_test.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/mkldnn_operator_test.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/mkldnn_test.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/runner/core_op_runner_test.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/slice_channel_perf.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/tune/operator_tune_test.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/storage/storage_test.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/test_main.cc.o
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/thread_safety/thread_safety_test.cc.o
-o tests/mxnet_unit_tests
-Wl,-rpath,/mnt/USB/.mxnet/mxnet/build:/usr/local/lib lib/libgtest.a
3rdparty/dmlc-core/libdmlc.a /usr/lib/arm-linux-gnueabihf/libopenblas.so
/usr/lib/arm-linux-gnueabihf/librt.so -llapack libmxnet.so
3rdparty/dmlc-core/libdmlc.a /usr/lib/gcc/arm-linux-gnueabihf/7/libgomp.so
/usr/lib/arm-linux-gnueabihf/libpthread.so -lrt
/usr/local/lib/libopencv_highgui.so.4.0.0
/usr/local/lib/libopencv_videoio.so.4.0.0
/usr/local/lib/libopencv_imgcodecs.so.4.0.0
/usr/local/lib/libopencv_imgproc.so.4.0.0
/usr/local/lib/libopencv_core.so.4.0.0 -ldl
/usr/lib/arm-linux-gnueabihf/libopenblas.so
/usr/lib/arm-linux-gnueabihf/librt.so -llapack && :
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/runner/core_op_runner_test.cc.o:
in function `mxnet::test::OperatorRunner<mxnet::test::op::CoreOpProp,
mxnet::test::op::CoreOpExecutor<float, float>
>::TimingTest(std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> > const&, bool, bool,
std::vector<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> >, std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > >,
std::allocator<std::pair<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> >,
std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >
> > > const&, int, unsigned int, std::vector<mxnet::TShape,
std::allocator<mxnet::TShape> > const&, bool) [clone .constprop.1100]':
core_op_runner_test.cc:(.text+0x487c): undefined reference to
`__atomic_load_8'
/usr/bin/ld: core_op_runner_test.cc:(.text+0x48bc): undefined reference to
`__atomic_load_8'
/usr/bin/ld: core_op_runner_test.cc:(.text+0x4a20): undefined reference to
`__atomic_load_8'
/usr/bin/ld: core_op_runner_test.cc:(.text+0x4a38): undefined reference to
`__atomic_fetch_add_8'
/usr/bin/ld: core_op_runner_test.cc:(.text+0x4a44): undefined reference to
`__atomic_load_8'
/usr/bin/ld: core_op_runner_test.cc:(.text+0x4a58): undefined reference to
`__atomic_fetch_add_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/activation_perf.cc.o: in
function `ACTIVATION_PERF_TimingCPU_Test::TestBody()':
activation_perf.cc:(.text+0x1bcc): undefined reference to `__atomic_load_8'
/usr/bin/ld: activation_perf.cc:(.text+0x1c08): undefined reference to
`__atomic_load_8'
/usr/bin/ld: activation_perf.cc:(.text+0x1d70): undefined reference to
`__atomic_load_8'
/usr/bin/ld: activation_perf.cc:(.text+0x1d88): undefined reference to
`__atomic_fetch_add_8'
/usr/bin/ld: activation_perf.cc:(.text+0x1d94): undefined reference to
`__atomic_load_8'
/usr/bin/ld: activation_perf.cc:(.text+0x1da8): undefined reference to
`__atomic_fetch_add_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/activation_perf.cc.o: in
function `dmlc::LogCheckError dmlc::LogCheck_NE<std::atomic<unsigned long
long>, unsigned int>(std::atomic<unsigned long long> const&, unsigned int
const&)':
activation_perf.cc:(.text._ZN4dmlc11LogCheck_NEISt6atomicIyEjEENS_13LogCheckErrorERKT_RKT0_[_ZN4dmlc11LogCheck_NEISt6atomicIyEjEENS_13LogCheckErrorERKT_RKT0_]+0x1c):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
activation_perf.cc:(.text._ZN4dmlc11LogCheck_NEISt6atomicIyEjEENS_13LogCheckErrorERKT_RKT0_[_ZN4dmlc11LogCheck_NEISt6atomicIyEjEENS_13LogCheckErrorERKT_RKT0_]+0x84):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/activation_perf.cc.o: in
function `dmlc::LogCheckError dmlc::LogCheck_EQ<std::atomic<unsigned long
long>, unsigned int>(std::atomic<unsigned long long> const&, unsigned int
const&)':
activation_perf.cc:(.text._ZN4dmlc11LogCheck_EQISt6atomicIyEjEENS_13LogCheckErrorERKT_RKT0_[_ZN4dmlc11LogCheck_EQISt6atomicIyEjEENS_13LogCheckErrorERKT_RKT0_]+0x1c):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
activation_perf.cc:(.text._ZN4dmlc11LogCheck_EQISt6atomicIyEjEENS_13LogCheckErrorERKT_RKT0_[_ZN4dmlc11LogCheck_EQISt6atomicIyEjEENS_13LogCheckErrorERKT_RKT0_]+0x74):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/activation_perf.cc.o: in
function
`mxnet::test::perf::TimingInstrument::Info::Info(mxnet::test::perf::TimingInstrument::Info
const&)':
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument4InfoC2ERKS3_[_ZN5mxnet4test4perf16TimingInstrument4InfoC5ERKS3_]+0x34):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/activation_perf.cc.o:activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument4InfoC2ERKS3_[_ZN5mxnet4test4perf16TimingInstrument4InfoC5ERKS3_]+0x50):
more undefined references to `__atomic_load_8' follow
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/activation_perf.cc.o: in
function `mxnet::test::perf::TimingInstrument::stopTiming(int, unsigned int)':
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument10stopTimingEij[_ZN5mxnet4test4perf16TimingInstrument10stopTimingEij]+0x1a4):
undefined reference to `__atomic_fetch_sub_8'
/usr/bin/ld:
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument10stopTimingEij[_ZN5mxnet4test4perf16TimingInstrument10stopTimingEij]+0x450):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument10stopTimingEij[_ZN5mxnet4test4perf16TimingInstrument10stopTimingEij]+0x468):
undefined reference to `__atomic_fetch_add_8'
/usr/bin/ld:
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument10stopTimingEij[_ZN5mxnet4test4perf16TimingInstrument10stopTimingEij]+0x47c):
undefined reference to `__atomic_store_8'
/usr/bin/ld:
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument10stopTimingEij[_ZN5mxnet4test4perf16TimingInstrument10stopTimingEij]+0x490):
undefined reference to `__atomic_fetch_add_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/activation_perf.cc.o: in
function `mxnet::test::perf::TimingInstrument::startTiming(int, char const*)':
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument11startTimingEiPKc[_ZN5mxnet4test4perf16TimingInstrument11startTimingEiPKc]+0xc0):
undefined reference to `__atomic_fetch_add_8'
/usr/bin/ld:
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument11startTimingEiPKc[_ZN5mxnet4test4perf16TimingInstrument11startTimingEiPKc]+0x1a8):
undefined reference to `__atomic_store_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/activation_perf.cc.o: in
function `mxnet::test::perf::TimingInstrument::reset()':
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument5resetEv[_ZN5mxnet4test4perf16TimingInstrument5resetEv]+0xe0):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument5resetEv[_ZN5mxnet4test4perf16TimingInstrument5resetEv]+0x108):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument5resetEv[_ZN5mxnet4test4perf16TimingInstrument5resetEv]+0x2b8):
undefined reference to `__atomic_store_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/activation_perf.cc.o: in
function `void
mxnet::test::perf::TimingInstrument::print<std::ostream>(std::ostream*,
std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >
const&, bool)':
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument5printISoEEvPT_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb[_ZN5mxnet4test4perf16TimingInstrument5printISoEEvPT_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb]+0x1a0):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument5printISoEEvPT_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb[_ZN5mxnet4test4perf16TimingInstrument5printISoEEvPT_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb]+0x1b8):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument5printISoEEvPT_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb[_ZN5mxnet4test4perf16TimingInstrument5printISoEEvPT_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb]+0x1e8):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument5printISoEEvPT_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb[_ZN5mxnet4test4perf16TimingInstrument5printISoEEvPT_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb]+0x2b4):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument5printISoEEvPT_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb[_ZN5mxnet4test4perf16TimingInstrument5printISoEEvPT_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb]+0x334):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/activation_perf.cc.o:activation_perf.cc:(.text._ZN5mxnet4test4perf16TimingInstrument5printISoEEvPT_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb[_ZN5mxnet4test4perf16TimingInstrument5printISoEEvPT_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb]+0x368):
more undefined references to `__atomic_load_8' follow
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/batchnorm_test.cc.o: in
function
`mxnet::test::perf::TimingInstrument::operator+=(mxnet::test::perf::TimingInstrument
const&)':
batchnorm_test.cc:(.text._ZN5mxnet4test4perf16TimingInstrumentpLERKS2_[_ZN5mxnet4test4perf16TimingInstrumentpLERKS2_]+0x268):
undefined reference to `__atomic_fetch_add_8'
/usr/bin/ld:
batchnorm_test.cc:(.text._ZN5mxnet4test4perf16TimingInstrumentpLERKS2_[_ZN5mxnet4test4perf16TimingInstrumentpLERKS2_]+0x274):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
batchnorm_test.cc:(.text._ZN5mxnet4test4perf16TimingInstrumentpLERKS2_[_ZN5mxnet4test4perf16TimingInstrumentpLERKS2_]+0x288):
undefined reference to `__atomic_fetch_add_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/coreop_perf.cc.o: in
function `void RunCoreOpTimingTest<float>(bool,
std::vector<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> >, std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > >,
std::allocator<std::pair<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> >,
std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >
> > > const&, char const*, char const*) [clone .constprop.1096]':
coreop_perf.cc:(.text+0x2b84): undefined reference to `__atomic_load_8'
/usr/bin/ld: coreop_perf.cc:(.text+0x2bc0): undefined reference to
`__atomic_load_8'
/usr/bin/ld: coreop_perf.cc:(.text+0x2d28): undefined reference to
`__atomic_load_8'
/usr/bin/ld: coreop_perf.cc:(.text+0x2d40): undefined reference to
`__atomic_fetch_add_8'
/usr/bin/ld: coreop_perf.cc:(.text+0x2d4c): undefined reference to
`__atomic_load_8'
/usr/bin/ld: coreop_perf.cc:(.text+0x2d60): undefined reference to
`__atomic_fetch_add_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/dropout_perf.cc.o: in
function `DROPOUT_PERF_TimingCPU_Test::TestBody()':
dropout_perf.cc:(.text+0x1fa4): undefined reference to `__atomic_load_8'
/usr/bin/ld: dropout_perf.cc:(.text+0x1fe0): undefined reference to
`__atomic_load_8'
/usr/bin/ld: dropout_perf.cc:(.text+0x2148): undefined reference to
`__atomic_load_8'
/usr/bin/ld: dropout_perf.cc:(.text+0x2160): undefined reference to
`__atomic_fetch_add_8'
/usr/bin/ld: dropout_perf.cc:(.text+0x216c): undefined reference to
`__atomic_load_8'
/usr/bin/ld: dropout_perf.cc:(.text+0x2180): undefined reference to
`__atomic_fetch_add_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/fully_conn_perf.cc.o: in
function `FULLY_CONNECTED_FullyConnectedTimingCPU_Test::TestBody()':
fully_conn_perf.cc:(.text+0x20e8): undefined reference to `__atomic_load_8'
/usr/bin/ld: fully_conn_perf.cc:(.text+0x2124): undefined reference to
`__atomic_load_8'
/usr/bin/ld: fully_conn_perf.cc:(.text+0x228c): undefined reference to
`__atomic_load_8'
/usr/bin/ld: fully_conn_perf.cc:(.text+0x22a4): undefined reference to
`__atomic_fetch_add_8'
/usr/bin/ld: fully_conn_perf.cc:(.text+0x22b0): undefined reference to
`__atomic_load_8'
/usr/bin/ld: fully_conn_perf.cc:(.text+0x22c4): undefined reference to
`__atomic_fetch_add_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/slice_channel_perf.cc.o: in
function `SLICE_CHANNEL_PERF_TimingCPU_Test::TestBody()':
slice_channel_perf.cc:(.text+0x1934): undefined reference to
`__atomic_load_8'
/usr/bin/ld: slice_channel_perf.cc:(.text+0x194c): undefined reference to
`__atomic_fetch_add_8'
/usr/bin/ld: slice_channel_perf.cc:(.text+0x1958): undefined reference to
`__atomic_load_8'
/usr/bin/ld: slice_channel_perf.cc:(.text+0x196c): undefined reference to
`__atomic_fetch_add_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/tune/operator_tune_test.cc.o:
in function `mxnet::test::tune::TuningTester<long
long>::CalculateModeSort(mxnet::test::op::TimingDirection, bool) const':
operator_tune_test.cc:(.text._ZNK5mxnet4test4tune12TuningTesterIxE17CalculateModeSortENS0_2op15TimingDirectionEb[_ZNK5mxnet4test4tune12TuningTesterIxE17CalculateModeSortENS0_2op15TimingDirectionEb]+0x1f8):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
operator_tune_test.cc:(.text._ZNK5mxnet4test4tune12TuningTesterIxE17CalculateModeSortENS0_2op15TimingDirectionEb[_ZNK5mxnet4test4tune12TuningTesterIxE17CalculateModeSortENS0_2op15TimingDirectionEb]+0x20c):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/tune/operator_tune_test.cc.o:
in function
`mxnet::test::tune::TuningTester<float>::CalculateModeSort(mxnet::test::op::TimingDirection,
bool) const':
operator_tune_test.cc:(.text._ZNK5mxnet4test4tune12TuningTesterIfE17CalculateModeSortENS0_2op15TimingDirectionEb[_ZNK5mxnet4test4tune12TuningTesterIfE17CalculateModeSortENS0_2op15TimingDirectionEb]+0x1f8):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
operator_tune_test.cc:(.text._ZNK5mxnet4test4tune12TuningTesterIfE17CalculateModeSortENS0_2op15TimingDirectionEb[_ZNK5mxnet4test4tune12TuningTesterIfE17CalculateModeSortENS0_2op15TimingDirectionEb]+0x20c):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/tune/operator_tune_test.cc.o:
in function
`mxnet::test::tune::TuningTester<mshadow::half::half_t>::CalculateModeSort(mxnet::test::op::TimingDirection,
bool) const':
operator_tune_test.cc:(.text._ZNK5mxnet4test4tune12TuningTesterIN7mshadow4half6half_tEE17CalculateModeSortENS0_2op15TimingDirectionEb[_ZNK5mxnet4test4tune12TuningTesterIN7mshadow4half6half_tEE17CalculateModeSortENS0_2op15TimingDirectionEb]+0x1f8):
undefined reference to `__atomic_load_8'
/usr/bin/ld:
tests/CMakeFiles/mxnet_unit_tests.dir/cpp/operator/tune/operator_tune_test.cc.o:operator_tune_test.cc:(.text._ZNK5mxnet4test4tune12TuningTesterIN7mshadow4half6half_tEE17CalculateModeSortENS0_2op15TimingDirectionEb[_ZNK5mxnet4test4tune12TuningTesterIN7mshadow4half6half_tEE17CalculateModeSortENS0_2op15TimingDirectionEb]+0x20c):
more undefined references to `__atomic_load_8' follow
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.
```
and `libmxnet.so ` was created so I installed it on my raspberry pi and got
an error like this when importing it.
```
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/mnt/USB/.mxnet/mxnet/python/mxnet/__init__.py", line 23, in <module>
from .context import Context, current_context, cpu, gpu, cpu_pinned
File "/mnt/USB/.mxnet/mxnet/python/mxnet/context.py", line 23, in <module>
from .base import classproperty, with_metaclass,
_MXClassPropertyMetaClass
File "/mnt/USB/.mxnet/mxnet/python/mxnet/base.py", line 351, in <module>
_LIB = _load_lib()
File "/mnt/USB/.mxnet/mxnet/python/mxnet/base.py", line 342, in _load_lib
lib = ctypes.CDLL(lib_path[0], ctypes.RTLD_LOCAL)
File "/usr/lib/python3.7/ctypes/__init__.py", line 356, in __init__
self._handle = _dlopen(self._name, mode)
OSError: /mnt/USB/.mxnet/mxnet/python/mxnet/../../build/libmxnet.so: failed
to map segment from shared object
```
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