[llvm-dev] LLD and LLVM_LINK_LLVM_DYLIB

[Hahnfeld, Jonas via llvm-dev]

It builds fine but I cannot execute the resulting binary which aborts with the mentioned error.However I don't use LLVM_ENABLE_PROJECTS, I don't know if that changes the way libLLVM-4.0svn.so is linked...
Cheers,Jonas
Am Freitag, den 06.01.2017, 13:44 +0900 schrieb Rui Ueyama:
> Hi Hahnfeld,
> I just compiled with LLVM_LINK_LLVM_DYLIB enabled [1] and build lld with `ninja lld`. It built fine. What am I missing?
> 
> [1] $ cmake -GNinja -DCMAKE_BUILD_TYPE=Debug -DLLVM_ENABLE_THREADS=On -DLLVM_ENABLE_LLD=true -DLLVM_LINK_LLVM_DYLIB=true -DLLVM_ENABLE_PROJECTS='clang;lld' ../llvm-project/llvm
> 
> On Wed, Jan 4, 2017 at 10:31 PM, Hahnfeld, Jonas via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> > Hi all,
> > 
> > 
> > 
> > I recently gave LLD a try and it definitely works fine. However one cannot
> > 
> > build it together with LLVM_LINK_LLVM_DYLIB:
> > 
> > ELF/Driver.cpp and ELF/DriverUtils.cpp pull in llvm/Support/CommandLine.h
> > 
> > which defines the command line options so these global variables end up in
> > 
> > libLLVM-4.0svn.so via liblldELF.
> > 
> > If this shared library is then linked into bin/lld or bin/opt one gets
> > 
> > errors because of "Option '...' registered more than once" as they are also
> > 
> > present in the binaries themselves.
> > 
> > 
> > 
> > Is it possible to keep the global variables for command line options out of
> > 
> > libLLVM-4.0svn.so?
> > 
> > 
> > 
> > Regards,
> > 
> > Jonas
> > 
> > 
> > 
> > --
> > 
> > Jonas Hahnfeld, MATSE-Auszubildender
> > 
> > 
> > 
> > IT Center
> > 
> > Group: High Performance Computing
> > 
> > Division: Computational Science and Engineering
> > 
> > RWTH Aachen University
> > 
> > Seffenter Weg 23
> > 
> > D 52074  Aachen (Germany)
> > 
> > Hahnfeld at itc.rwth-aachen.de
> > 
> > www.itc.rwth-aachen.de
> > 
> > 
> > 
> > 
> > 
> > 
> > _______________________________________________
> > 
> > LLVM Developers mailing list
> > 
> > llvm-dev at lists.llvm.org
> > 
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> > 
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