On 11.11.20 00:42, Tom Stellard wrote:
On 11/10/20 6:24 PM, Will Crawford wrote:
On Tue, 10 Nov 2020 at 11:56, Sandro Mani <manisandro@xxxxxxxxx
<mailto:manisandro@xxxxxxxxx>> wrote:
/usr/bin/ld:
CMakeFiles/vtkIOXMLCxxTests.dir/TestXMLHyperTreeGridIO.cxx.o (symbol
from plugin): undefined reference to symbol
'_ZZNSt8__detail18__to_chars_10_implIjEEvPcjT_E8__digits@@LLVM_11'
/usr/bin/ld: /usr/lib64/libLLVM-11.so: error adding symbols: DSO
missing
from command line
...
I'm not sure why ld thinks LLVM is involved, vtk does not pull in
LLVM
in any way.
I'm pretty much clueless, any ideas?
That looks like the object file requires a symbol from libLLVM, and
gcc isn't linking against it (hence the "DSO missing from command
line" part).
If you have a log of the whole build you should be able to check how
that object (the test) is being built; LLVM suggests maybe it was
built using clang?
Compiling using clang wouldn't cause an object to link against
libLLVM.so. However, as Will said, we really need the whole log to
understand better what is happening.
Thanks for your replies. Here is the full log [1]. While clang/llvm are
pulled into the buildroot as dependencies of other BRs, nothing else in
the build log mentions either LLVM nor clang. Atteched below is the
snipped related to building TestXMLHyperTreeGridIO.o. What I find
particularly strange is the @@LLVM_11 decorated symbol, while nm on
TestXMLHyperTreeGridIO.cxx.o gives me the undecorated symbol.
Thanks
Sandro
[1] http://smani.fedorapeople.org/tmp/builder-live.log
/usr/bin/g++
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-I/builddir/build/BUILD/VTK-8.2.0/Common/Core
-I/builddir/build/BUILD/VTK-8.2.0/build/Utilities/KWIML
-I/builddir/build/BUILD/VTK-8.2.0/Utilities/KWIML
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-I/builddir/build/BUILD/VTK-8.2.0/Common/Math
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-I/builddir/build/BUILD/VTK-8.2.0/build/Filters/HyperTree
-I/builddir/build/BUILD/VTK-8.2.0/Filters/HyperTree
-I/builddir/build/BUILD/VTK-8.2.0/build/Filters/General
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-I/builddir/build/BUILD/VTK-8.2.0/Filters/Sources
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-I/builddir/build/BUILD/VTK-8.2.0/Imaging/Core
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-O2
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-Wall
-Werror=format-security
-Wp,-D_FORTIFY_SOURCE=2
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CMakeFiles/vtkIOXMLCxxTests.dir/TestXMLHyperTreeGridIO.cxx.o
-c
/builddir/build/BUILD/VTK-8.2.0/IO/XML/Testing/Cxx/TestXMLHyperTreeGridIO.cxx
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