[cfe-users] Problems with linking to libLLVMSupport.a: undefined reference to symbol

Schlottke-Lakemper, Michael via cfe-users cfe-users at lists.llvm.org
Thu Jun 9 03:07:23 PDT 2016


Hi Don,

Indeed, mpi_cxx is linked against libstdc++, but that has not been a problem been so far (i.e., with previous versions of clang).

Anyhow, the problem resolved itself after I installed yet another trunk version (r272243). Apparently it was something related to the version of llvm/clang that I used before (r271230), but now the problem has disappeared.

Thanks for your input!

Michael

On 06 Jun 2016, at 21:48 , don hinton <hintonda at gmail.com<mailto:hintonda at gmail.com>> wrote:

Btw, did you build all you dependencies yourself, including libmpi_cxx, and link them to libc++?  Otherwise, I'd bet one of them links to libstdc++.

On Monday, June 6, 2016, don hinton <hintonda at gmail.com<mailto:hintonda at gmail.com>> wrote:
The only thing odd that I noticed is that although you specifically requested libc++, the linker tried to link libstdc++ and complained about a symbol it couldn't find.

The symbol looks like std::string::_Rep::destroy which would be found in the standard library, so I'd guess some sort of mis-compile.  Wish I could be of more help.

hth...
Don

On Sunday, June 5, 2016, Schlottke-Lakemper, Michael via cfe-users <cfe-users at lists.llvm.org<javascript:_e(%7B%7D,'cvml','cfe-users at lists.llvm.org');>> wrote:
*bump*

Is there really nobody here who has a possible answer? If not, do you have any suggestions where else I could turn to for help? While I’m not an expert on LLVM/Clang, I’ve done my share of compiling & linking other tools and programs, so I think that I’ve exhausted all “obvious” explanations (without success).

Yours

Michael

On 31 May 2016, at 15:14 , Michael Schlottke-Lakemper <m.schlottke-lakemper at aia.rwth-aachen.de> wrote:

Hi folks,

When trying to link to libLLVMSuport.a in our CFD application, we get the following error at link time:

/usr/lib64/gcc/x86_64-suse-linux/4.9/../../../../x86_64-suse-linux/bin/ld: /pds/opt/llvm-20160530-r271230/lib/libLLVMSupport.a(Path.cpp.o): undefined reference to symbol '_ZNSs4_Rep10_M_destroyERKSaIcE@@GLIBCXX_3.4'
/usr/lib64/libstdc++.so.6: error adding symbols: DSO missing from command line

For the full command & output of ‘—verbose’ see at the end of the mail. This is not really understandable for me, since the only thing I changed was to switch to a newer version of clang (before we used r253770, now it is r271230).

Any idea what I’m doing wrong or what I could try to fix this?

P.S.: This is the command we used to compile clang (if it matters):
cmake ../llvm-20160530-r271230-src/ -DCMAKE_INSTALL_PREFIX=/pds/opt/llvm-20160530-r271230 -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=On -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCLANG_DEFAULT_CXX_STDLIB=libc++

P.P.S.: Here is the full command + error output:

/pds/opt/llvm-20160530-r271230/bin/clang++   -O0 -g3 -fno-inline -DCOMPILER_ATTRIBUTES -std=c++14 -stdlib=libc++ -Wall -Wextra -pedantic -Wshadow -Wfloat-equal -Wcast-align -Wfloat-equal -Wdisabled-optimization -Wformat=2 -Winvalid-pch -Winit-self -Wmissing-include-dirs -Wredundant-decls -Wpacked -Wpointer-arith -Wstack-protector -Wswitch-default -Wwrite-strings -Wno-type-safety -Werror -Wunused -Wno-infinite-recursion -Wno-undefined-var-template  -L/pds/opt/llvm-20160530-r271230/lib   -Wl,-rpath,/pds/opt/openmpi/lib64:/pds/opt/PointwiseV17.0R2/linux_x86_64/plugins:/pds/opt/intel-16.0.3/lib/intel64/:/pds/opt/llvm-20160530-r271230/lib:/pds/opt/StarCD/lib:/pds/opt/torque/lib src/CMakeFiles/zfs.dir/zfscartesiangrid_inst_fv.cpp.o src/CMakeFiles/zfs.dir/zfscartesiangrid_inst_lb.cpp.o src/CMakeFiles/zfs.dir/zfscartesiangrid_inst_avg.cpp.o src/CMakeFiles/zfs.dir/zfscartesiangrid_inst_dg.cpp.o src/CMakeFiles/zfs.dir/zfscartesiangrid_hilbert.cpp.o src/CMakeFiles/zfs.dir/zfsgridgenpar.cpp.o src/CMakeFiles/zfs.dir/zfsgridgencell.cpp.o src/CMakeFiles/zfs.dir/zfsfvbndrycnd3d.cpp.o src/CMakeFiles/zfs.dir/zfsfvblock2d.cpp.o src/CMakeFiles/zfs.dir/zfsfvblock.cpp.o src/CMakeFiles/zfs.dir/zfsfvblock3d.cpp.o src/CMakeFiles/zfs.dir/zfsstrctrdbndrycnd3d.cpp.o src/CMakeFiles/zfs.dir/zfslbmblockdxqy.cpp.o src/CMakeFiles/zfs.dir/zfsfvparticle.cpp.o src/CMakeFiles/zfs.dir/zfslbmbndcnddxqy.cpp.o src/CMakeFiles/zfs.dir/zfsfvbndrycnd.cpp.o src/CMakeFiles/zfs.dir/zfsfvbndrycnd2d.cpp.o src/CMakeFiles/zfs.dir/zfslbmblock.cpp.o src/CMakeFiles/zfs.dir/zfsfvmbblock3d.cpp.o src/CMakeFiles/zfs.dir/zfsstrctrdblck3d.cpp.o src/CMakeFiles/zfs.dir/zfsfvmbbndrycnd3d.cpp.o src/CMakeFiles/zfs.dir/zfspostprocessingblock.cpp.o src/CMakeFiles/zfs.dir/zfsavgblock.cpp.o src/CMakeFiles/zfs.dir/zfslbmbndcndd2q9.cpp.o src/CMakeFiles/zfs.dir/zfsfvmbblock2d.cpp.o src/CMakeFiles/zfs.dir/zfsfvmbbndrycnd2d.cpp.o src/CMakeFiles/zfs.dir/zfsgeometry3d.cpp.o src/CMakeFiles/zfs.dir/zfsmethods.cpp.o src/CMakeFiles/zfs.dir/zfsstrctrdblck.cpp.o src/CMakeFiles/zfs.dir/zfsstrctrdblckwindowinfo.cpp.o src/CMakeFiles/zfs.dir/zfslbmblockd2q9.cpp.o src/CMakeFiles/zfs.dir/zfsfileprocessingenv.cpp.o src/CMakeFiles/zfs.dir/zfslbminterfacedxqy.cpp.o src/CMakeFiles/zfs.dir/zfsfvparticleellipsoid.cpp.o src/CMakeFiles/zfs.dir/zfsapplication.cpp.o src/CMakeFiles/zfs.dir/zfslbmbndcnd.cpp.o src/CMakeFiles/zfs.dir/zfsfvparticlespherical.cpp.o src/CMakeFiles/zfs.dir/zfsfvcmbstnblock3d.cpp.o src/CMakeFiles/zfs.dir/zfsfvcmbstnblock2d.cpp.o src/CMakeFiles/zfs.dir/zfsdgblock_inst_2d_linearscalaradv.cpp.o src/CMakeFiles/zfs.dir/zfsdgblock_inst_3d_linearscalaradv.cpp.o src/CMakeFiles/zfs.dir/zfsdgblock_inst_2d_acousticperturb.cpp.o src/CMakeFiles/zfs.dir/zfsdgblock_inst_3d_acousticperturb.cpp.o src/CMakeFiles/zfs.dir/zfsdgcell.cpp.o src/CMakeFiles/zfs.dir/zfsdginterpolation.cpp.o src/CMakeFiles/zfs.dir/zfsbigdata_pnetcdf.cpp.o src/CMakeFiles/zfs.dir/zfsbigdata_hdf5.cpp.o src/CMakeFiles/zfs.dir/zfscontext.cpp.o src/CMakeFiles/zfs.dir/zfsinfoout.cpp.o src/CMakeFiles/zfs.dir/zfsgeometry2d.cpp.o src/CMakeFiles/zfs.dir/zfsgeometryadt.cpp.o src/CMakeFiles/zfs.dir/zfsionetcdf.cpp.o src/CMakeFiles/zfs.dir/zfsgeometryionetcdf.cpp.o src/CMakeFiles/zfs.dir/zfsparticle.cpp.o src/CMakeFiles/zfs.dir/zfsfvlevelsetcontrolpoint.cpp.o src/CMakeFiles/zfs.dir/zfsstrctrdblckpartition.cpp.o src/CMakeFiles/zfs.dir/zfspartcont.cpp.o src/CMakeFiles/zfs.dir/zfsenums.cpp.o src/CMakeFiles/zfs.dir/zfslbminterfaced2q9.cpp.o src/CMakeFiles/zfs.dir/SCmathlib.cpp.o src/CMakeFiles/zfs.dir/zfslbmcell.cpp.o src/CMakeFiles/zfs.dir/zfsstrctrdbndrycnd.cpp.o src/CMakeFiles/zfs.dir/zfsfvgcell.cpp.o src/CMakeFiles/zfs.dir/zfsfvgequpvblock2d.cpp.o src/CMakeFiles/zfs.dir/zfsfvcell.cpp.o src/CMakeFiles/zfs.dir/zfsellipsoiddistance.cpp.o src/CMakeFiles/zfs.dir/zfsstrctrdwindowmapping.cpp.o src/CMakeFiles/zfs.dir/zfsenvironment.cpp.o src/CMakeFiles/zfs.dir/zfs.cpp.o src/CMakeFiles/zfs.dir/zfslbminterface.cpp.o src/CMakeFiles/zfs.dir/zfsgeometrycontext.cpp.o src/CMakeFiles/zfs.dir/zfsproperty.cpp.o src/CMakeFiles/zfs.dir/zfsfvbndrycell.cpp.o src/CMakeFiles/zfs.dir/zfsfvgequpvblock3d.cpp.o src/CMakeFiles/zfs.dir/zfsfvsurface.cpp.o src/CMakeFiles/zfs.dir/zfsgeometryproperty.cpp.o src/CMakeFiles/zfs.dir/zfsstrctrdblckcommunicationhandle.cpp.o src/CMakeFiles/zfs.dir/zfsscratch.cpp.o src/CMakeFiles/zfs.dir/zfsgeometryelement.cpp.o src/CMakeFiles/zfs.dir/gmres.cpp.o src/CMakeFiles/zfs.dir/zfsblock.cpp.o src/CMakeFiles/zfs.dir/zfsavgcell.cpp.o src/CMakeFiles/zfs.dir/zfslbmgridboundarycell.cpp.o src/CMakeFiles/zfs.dir/zfslbminterfacecell.cpp.o src/CMakeFiles/zfs.dir/zfsgeometry.cpp.o src/CMakeFiles/zfs.dir/zfssignal.cpp.o src/CMakeFiles/zfs.dir/zfslbmparentcell.cpp.o src/CMakeFiles/zfs.dir/zfscartesiangridpoint.cpp.o src/CMakeFiles/zfs.dir/zfstimer.cpp.o src/CMakeFiles/zfs.dir/zfspointbasedcell.cpp.o src/CMakeFiles/zfs.dir/zfsstrctrdblck2d.cpp.o src/CMakeFiles/zfs.dir/zfsdebug.cpp.o src/CMakeFiles/zfs.dir/zfsfvparticlebase.cpp.o src/CMakeFiles/zfs.dir/zfsvariables.cpp.o src/CMakeFiles/zfs.dir/zfsgenericobject.cpp.o src/CMakeFiles/zfs.dir/zfsfunctions.cpp.o src/CMakeFiles/zfs.dir/zfsalloc.cpp.o src/CMakeFiles/zfs.dir/zfsglobalvariables.cpp.o src/CMakeFiles/zfs.dir/zfslbmparticle.cpp.o src/CMakeFiles/zfs.dir/zfslbmpartcont.cpp.o src/CMakeFiles/zfs.dir/zfsdgsyseqnacousticperturb.cpp.o src/CMakeFiles/zfs.dir/zfsdgbcfactoryacousticperturb.cpp.o src/CMakeFiles/zfs.dir/zfsdgbcfactorylinearscalaradv.cpp.o src/CMakeFiles/zfs.dir/zfsdgccfactoryacousticperturb.cpp.o src/CMakeFiles/zfs.dir/zfsdgccfactorylinearscalaradv.cpp.o src/CMakeFiles/zfs.dir/zfsdgccacousticperturbsourcefiles.cpp.o src/CMakeFiles/zfs.dir/zfsmath.cpp.o src/CMakeFiles/zfs.dir/main.cpp.o  -o src/zfs -L/pds/opt/llvm-20160530-r271230/lib -rdynamic /pds/opt/fftw/lib64/libfftw3.a /pds/opt/parallel-netcdf-1.7.0/lib/libpnetcdf.a /pds/opt/openmpi/lib64/libmpi_cxx.so /pds/opt/openmpi/lib64/libmpi.so /pds/opt/llvm-20160530-r271230/lib/libLLVMSupport.a -ldl -ltinfo -lpthread -lc++ /pds/opt/llvm-20160530-r271230/lib/libc++abi.a /pds/opt/llvm-20160530-r271230/lib/libc++abi.a -lpthread -lc++ -Wl,-rpath,/pds/opt/openmpi/lib64:/pds/opt/llvm-20160530-r271230/lib -v
clang version 3.9.0 (trunk 271230)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /pds/opt/llvm-20160530-r271230/bin
Found candidate GCC installation: /usr/lib64/gcc/x86_64-suse-linux/4.8
Found candidate GCC installation: /usr/lib64/gcc/x86_64-suse-linux/4.9
Selected GCC installation: /usr/lib64/gcc/x86_64-suse-linux/4.9
Candidate multilib: .;@m64
Selected multilib: .;@m64
 "/usr/lib64/gcc/x86_64-suse-linux/4.9/../../../../x86_64-suse-linux/bin/ld" -export-dynamic -z relro --hash-style=gnu --hash-style=both --build-id --enable-new-dtags --eh-frame-hdr -m elf_x86_64 -export-dynamic -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o src/zfs /usr/lib64/gcc/x86_64-suse-linux/4.9/../../../../lib64/crt1.o /usr/lib64/gcc/x86_64-suse-linux/4.9/../../../../lib64/crti.o /usr/lib64/gcc/x86_64-suse-linux/4.9/crtbegin.o -L/pds/opt/llvm-20160530-r271230/lib -L/pds/opt/llvm-20160530-r271230/lib -L/usr/lib64/gcc/x86_64-suse-linux/4.9 -L/usr/lib64/gcc/x86_64-suse-linux/4.9/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/usr/lib64/gcc/x86_64-suse-linux/4.9/../../../../x86_64-suse-linux/lib -L/usr/lib64/gcc/x86_64-suse-linux/4.9/../../.. -L/aia/opt/llvm-20160530-r271230/bin/../lib -L/lib -L/usr/lib -rpath 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src/CMakeFiles/zfs.dir/zfsblock.cpp.o src/CMakeFiles/zfs.dir/zfsavgcell.cpp.o src/CMakeFiles/zfs.dir/zfslbmgridboundarycell.cpp.o src/CMakeFiles/zfs.dir/zfslbminterfacecell.cpp.o src/CMakeFiles/zfs.dir/zfsgeometry.cpp.o src/CMakeFiles/zfs.dir/zfssignal.cpp.o src/CMakeFiles/zfs.dir/zfslbmparentcell.cpp.o src/CMakeFiles/zfs.dir/zfscartesiangridpoint.cpp.o src/CMakeFiles/zfs.dir/zfstimer.cpp.o src/CMakeFiles/zfs.dir/zfspointbasedcell.cpp.o src/CMakeFiles/zfs.dir/zfsstrctrdblck2d.cpp.o src/CMakeFiles/zfs.dir/zfsdebug.cpp.o src/CMakeFiles/zfs.dir/zfsfvparticlebase.cpp.o src/CMakeFiles/zfs.dir/zfsvariables.cpp.o src/CMakeFiles/zfs.dir/zfsgenericobject.cpp.o src/CMakeFiles/zfs.dir/zfsfunctions.cpp.o src/CMakeFiles/zfs.dir/zfsalloc.cpp.o src/CMakeFiles/zfs.dir/zfsglobalvariables.cpp.o src/CMakeFiles/zfs.dir/zfslbmparticle.cpp.o src/CMakeFiles/zfs.dir/zfslbmpartcont.cpp.o src/CMakeFiles/zfs.dir/zfsdgsyseqnacousticperturb.cpp.o src/CMakeFiles/zfs.dir/zfsdgbcfactoryacousticperturb.cpp.o src/CMakeFiles/zfs.dir/zfsdgbcfactorylinearscalaradv.cpp.o src/CMakeFiles/zfs.dir/zfsdgccfactoryacousticperturb.cpp.o src/CMakeFiles/zfs.dir/zfsdgccfactorylinearscalaradv.cpp.o src/CMakeFiles/zfs.dir/zfsdgccacousticperturbsourcefiles.cpp.o src/CMakeFiles/zfs.dir/zfsmath.cpp.o src/CMakeFiles/zfs.dir/main.cpp.o /pds/opt/fftw/lib64/libfftw3.a /pds/opt/parallel-netcdf-1.7.0/lib/libpnetcdf.a /pds/opt/openmpi/lib64/libmpi_cxx.so /pds/opt/openmpi/lib64/libmpi.so /pds/opt/llvm-20160530-r271230/lib/libLLVMSupport.a -ldl -ltinfo -lpthread -lc++ /pds/opt/llvm-20160530-r271230/lib/libc++abi.a /pds/opt/llvm-20160530-r271230/lib/libc++abi.a -lpthread -lc++ -rpath /pds/opt/openmpi/lib64:/pds/opt/llvm-20160530-r271230/lib -lc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /usr/lib64/gcc/x86_64-suse-linux/4.9/crtend.o /usr/lib64/gcc/x86_64-suse-linux/4.9/../../../../lib64/crtn.o
/usr/lib64/gcc/x86_64-suse-linux/4.9/../../../../x86_64-suse-linux/bin/ld: /pds/opt/llvm-20160530-r271230/lib/libLLVMSupport.a(Path.cpp.o): undefined reference to symbol '_ZNSs4_Rep10_M_destroyERKSaIcE@@GLIBCXX_3.4'
/usr/lib64/libstdc++.so.6: error adding symbols: DSO missing from command line
clang-3.9: error: linker command failed with exit code 1 (use -v to see invocation)


--
Michael Schlottke-Lakemper

Institute of Aerodynamics and Chair of Fluid Mechanics
RWTH Aachen University
Wüllnerstraße 5a
52062 Aachen
Germany

Phone: +49 (241) 80 95188
Fax: +49 (241) 80 92257
Mail: m.schlottke-lakemper at aia.rwth-aachen.de
Web: http://www.aia.rwth-aachen.de<http://www.aia.rwth-aachen.de/>



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