[llvm-dev] [help] Kaleidoscope build fails after llvm-3.8

[mats petersson via llvm-dev]

I should add that in my git version
393c3c6b687d0d92a24afe888bca6995f41f381a chapter8/toy.cpp compiles with the
command you posted.

--
Mats

On 16 February 2016 at 14:15, mats petersson <mats at planetcatfish.com> wrote:

> Are you compiling the actual Kaleidoscope in the llvm 3.8 directory? Or a
> version from a different version of LLVM?
>
> --
> Mats
>
> On 16 February 2016 at 13:48, vivek pandya via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
>> Hello ,
>>
>> I have build llvm from release_38 branch ( only llvm and clang ) and
>> install it. My DYLD_LIBRARY_PATH points to installation-directory/lib.
>>
>> I am compiling example files for Kaleidoscope with following command :
>>
>> clang++ -g toy.cpp -std=c++11 `llvm-config --cxxflags --ldflags
>> --system-libs --libs core mcjit native` -O3 -o toy
>>
>> but it fails with following error:
>> Undefined symbols for architecture x86_64:
>>   "llvm::CmpInst::CmpInst(llvm::Type*, llvm::Instruction::OtherOps,
>> llvm::CmpInst::Predicate, llvm::Value*, llvm::Value*, llvm::Twine const&,
>> llvm::Instruction*)", referenced from:
>>       llvm::IRBuilder<true, llvm::ConstantFolder,
>> llvm::IRBuilderDefaultInserter<true>
>> >::CreateFCmp(llvm::CmpInst::Predicate, llvm::Value*, llvm::Value*,
>> llvm::Twine const&, llvm::MDNode*) in toy-1f302b.o
>>   "llvm::DIBuilder::createFunction(llvm::DIScope*, llvm::StringRef,
>> llvm::StringRef, llvm::DIFile*, unsigned int, llvm::DISubroutineType*,
>> bool, bool, unsigned int, unsigned int, bool,
>> llvm::MDTupleTypedArrayWrapper<llvm::DITemplateParameter>,
>> llvm::DISubprogram*)", referenced from:
>>       (anonymous namespace)::FunctionAST::codegen() in toy-1f302b.o
>>   "vtable for llvm::PHINode", referenced from:
>>       llvm::IRBuilder<true, llvm::ConstantFolder,
>> llvm::IRBuilderDefaultInserter<true> >::CreatePHI(llvm::Type*, unsigned
>> int, llvm::Twine const&) in toy-1f302b.o
>>   NOTE: a missing vtable usually means the first non-inline virtual
>> member function has no definition.
>> ld: symbol(s) not found for architecture x86_64
>> clang-3.8: error: linker command failed with exit code 1 (use -v to see
>> invocation)
>>
>> With previous version 3.8.0svn it used to build successfully. Can someone
>> help me what I am doing wrong ?
>>
>> Sincerely,
>> *Vivek Pandya*
>>
>>
>> _______________________________________________
>> LLVM Developers mailing list
>> llvm-dev at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>
>>
>
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