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<p class="MsoNormal"><span style="font-size:11.0pt">Hello llvm developers!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I am trying to build the OpenMP runtime with clang 9.0.0. The clang compiler fails to find the libstdc++ library.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I specified the pathname, but it does not help.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I had to resort to configuring like this:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">cmake -DCMAKE_BUILD_TYPE=Release \<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">-DCMAKE_INSTALL_PREFIX="/nobackupnfs2/clang-install"\<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">-DCMAKE_C_COMPILER=/nobackupnfs2/clang-install/bin/clang\<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">-DCMAKE_CXX_COMPILER=/nobackupnfs2/clang-install/bin/clang++\<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">-DLIBOMPTARGET_DEP_LIBELF_LIBRARIES:FILEPATH=/usr/lib64/libelf.so.1 \<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">-DLLVM_LIBSTDCXX:FILEPATH=/usr/lib64/libstdc++.so.6\<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">-DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=ON\<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">-DCLANG_OPENMP_NVPTX_DEFAULT_ARCH=sm_60 \<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">-DLIBOMPTARGET_NVPTX_COMPUTE_CAPABILITIES=35,60,70 ../llvm-9.0.0.src<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Is there a way to tell clang to use the correct library? It complains that the library is too old, but I think it is because it does not find the right one.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black">Gabriele Jost<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"-webkit-standard",serif;color:black">************************************************************************<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"-webkit-standard",serif;color:black">Gabriele Jost NASA Ames Research Center<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"-webkit-standard",serif;color:black">Email: Gabriele.Jost@nasa.gov Mail Stop 258-6<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"-webkit-standard",serif;color:black">Work Phone: (650) 604-0468 Bldg. 258, Rm. 232-4<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"-webkit-standard",serif;color:black">Scientific & HPC Application P.O. Box 1<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"-webkit-standard",serif;color:black">Development/Optimization Moffett Field, CA 94035-0001<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"-webkit-standard",serif;color:black">************************************************************************</span><o:p></o:p></p>
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