<div dir="ltr">Alexey,<div><br></div><div>Am still seeing a build time error like below:</div><div>$ clang++ -g -fopenmp -fopenmp-targets=nvptx64 new.cpp<br>nvlink error   : Undefined reference to '_Znam' in '/tmp/new-a4b234.cubin'<br>clang-11: error: nvlink command failed with exit code 255 (use -v to see invocation)<br>$ cat new.cpp<br>int main() {<br>#pragma omp target parallel for<br>        for (int i=0;i<10;i++) {<br>           int *a = new int[100];<br>        }<br>}<br></div><div><br></div><div>Are you still working on this? My Clang(-11) is the latest one built from Trunk.</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jan 22, 2020 at 4:34 AM Alexey Bataev <<a href="mailto:a.bataev@outlook.com">a.bataev@outlook.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
  
    
  
  <div>
    <p>Ok, it compiles with <a href="https://reviews.llvm.org/D73128" target="_blank">https://reviews.llvm.org/D73128</a> applied and
      additional include of stdlib.h. Still, cannot be executed, though,
      most probably beacuse of the virtual functions.<br>
    </p>
    <p><br>
    </p>
    <pre cols="72">-------------
Best regards,
Alexey Bataev</pre>
    <div>20.01.2020 6:21 PM, Itaru Kitayama
      пишет:<br>
    </div>
    <blockquote type="cite">
      
      <div dir="ltr">This reproducer attached, while it may have
        irrelevant code, shows the issue.
        <div><br>
        </div>
        <div>clang++ -g -fopenmp -fopenmp-targets=nvptx64 my1.cpp</div>
        <div><br>
        </div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Fri, Jan 17, 2020 at 3:16
          PM Alexey Bataev <<a href="mailto:a.bataev@outlook.com" target="_blank">a.bataev@outlook.com</a>> wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div>
            <p>No idea what does it mean. What  object? Where locally?
              Provide code and steps to reproduce.<br>
            </p>
            <pre cols="72">-------------
Best regards,
Alexey Bataev</pre>
            <div>16.01.2020 6:50 PM, Itaru Kitayama via Openmp-dev
              пишет:<br>
            </div>
            <blockquote type="cite">
              <div dir="ltr">Hi,
                <div><br>
                </div>
                <div>Locally creating an object under the target region
                  causes nvlink</div>
                <div>errors (same code builds fine without offloading
                  support flags):</div>
                <div><br>
                </div>
                <div> nvlink error   : Undefined reference to
'_ZNK14AggregateDatumIN4nest12ConnectionIDEXadL_ZNS0_10NestModule14ConnectionTypeEEEE5printERSo'
                  in '/tmp/event_delivery_manager-656e32.cubin'</div>
                nvlink error   : Undefined reference to
'_ZNK14AggregateDatumIN4nest12ConnectionIDEXadL_ZNS0_10NestModule14ConnectionTypeEEEE6pprintERSo'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZNK5Datum4infoERSo' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to '__assert_fail'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest12ConnectionIDC2ERKS0_' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to '_Znam' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED1Ev'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
'_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest19WeightRecorderEventclEv' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN3sli4pool4growEm' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZSt20__throw_length_errorPKc' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZSt17__throw_bad_allocv' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to '_Znwm' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to 'strlen' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to '_ZN5TokenC1El'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to '_ZdlPv' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to 'rand' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to '_ZN5TokenC1Ed'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest19WeightRecorderEventC2Ev' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZSt18_Rb_tree_decrementPSt18_Rb_tree_node_base' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZSt29_Rb_tree_insert_and_rebalancebPSt18_Rb_tree_node_baseS0_RS_'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_Z8getValueIdET_RK5Token' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest12ConnectionIDC1Elllll' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to '_Z8ld_roundd'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZNK4nest11SourceTable7get_gidEijm' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to '__dynamic_cast'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZNK4nest12ConnectionIDeqERKS0_' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest17ConnectionManager17get_delay_checkerEv' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest12DelayChecker21assert_valid_delay_msEd' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1Ev'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7reserveEm'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6appendEPKcm'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6appendERKS4_'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4Name6insertERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZSt18_Rb_tree_incrementPSt18_Rb_tree_node_base' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest4Time5Range12STEPS_PER_MSE' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest5names6targetE' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest5names6weightE' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest5names7size_ofE' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest5names5delayE' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest4Time5Range11MS_PER_STEPE' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest5names5rportE' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZStL19piecewise_construct' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest13KernelManager24kernel_manager_instance_E' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN10Dictionary9VoidTokenE' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZN4nest10NestModule14ConnectionTypeE' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to '_ZTV5Datum' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
'_ZN14AggregateDatumIN4nest12ConnectionIDEXadL_ZNS0_10NestModule14ConnectionTypeEEEE6memoryE'
                in '/tmp/event_delivery_manager-656e32.cubin'<br>
                nvlink error   : Undefined reference to
                '_ZL14max_block_size' in
                '/tmp/event_delivery_manager-656e32.cubin'<br>
                clang-11: error: nvlink command failed with exit code
                255 (use -v to see invocation)<br>
                make[2]: *** [nestkernel/libnestkernel.so] Error 255<br>
                make[1]: *** [nestkernel/CMakeFiles/nestkernel.dir/all]
                Error 2<br>
                make: *** [all] Error 2
                <div><br>
                </div>
                <div>What should I do?</div>
              </div>
              <br>
              <fieldset></fieldset>
              <pre>_______________________________________________
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</pre>
            </blockquote>
          </div>
        </blockquote>
      </div>
    </blockquote>
  </div>

</blockquote></div>