[Octave-bug-tracker] [bug #41061] Octave fails to build with LLVM 3.5

[Oleg]

Follow-up Comment #38, bug #41061 (project octave):

Now building Octave 4.0.0 with LLVM 3.5 with all options, including JIT.
Implemented the latest patch (manually). It still fails with following errors:
  
>>>===<<<
CXX      octave_gui-main-gui.o
CXXLD    octave-gui
../libinterp/.libs/liboctinterp.so: undefined reference to
`llvm::ExecutionEngine::createJIT(llvm::Module*,
std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>
>*, llvm::JITMemoryManager*, llvm::CodeGenOpt::Level, bool,
llvm::Reloc::Model, llvm::CodeModel::Model)'
../libinterp/.libs/liboctinterp.so: undefined reference to
`llvm::raw_fd_ostream::raw_fd_ostream(char const*,
std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>
>&, llvm::sys::fs::OpenFlags)'
collect2: error: ld returned 1 exit status
>>>===<<<
Tried different versions of gcc, same errors. Now I am using gcc5.2 and
llvm/clang 3.5. LLVM libraries in LD_LIBRARY_PATH have missed modules, it
seems something else causing problem to the linker.... 

Any help will be appreciated. I think having JIT is important for future of
Octave, especially after great new release of 4.0.0

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