Unable to run the program about llvm-pass-skeleton HOT 3 OPEN

I had similar error when loading the plugin.

error: unable to load plugin 'skeleton/libSkeletonPass.so': 'skeleton/libSkeletonPass.so: undefined symbol: _ZNK4llvm12FunctionPass17createPrinterPassERNS_11raw_ostreamERKSs'

I found this thread https://stackoverflow.com/questions/37366291/undefined-symbol-for-self-built-llvm-opt. It works for me by adding compiler flag in llvm-pass-skeleton/skeleton/CMakeLists.txt:

set_target_properties(SkeletonPass PROPERTIES COMPILE_FLAGS "-D__GLIBCXX_USE_CXX11_ABI=0 -fno-rtti" )

Hope it helps.

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add set(CMAKE_CXX_COMPILER "clang-9") into skeleton/CMakeList.txt solved my problem.
If remove this line, then default compiler is g++ in my case, which will cause this problem.
Hope it helps.

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Indeed, as in #11, we haven't tested this with more recent versions of LLVM. As I recommended there, please look into using the LLVM version that was current when the code was written. Or, if you find the necessary changes to work with 4.0, please submit a pull request!

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