[cfe-dev] linking error when running libTooling tutorial

[Kristóf Umann via cfe-dev]

Cheers, glad it's solved!
Lou Wynn <lewisurn at gmail.com> ezt írta (időpont: 2018. okt. 22., H, 14:16):

> Nice, adding clangFrontend works! The tutorial needs an update.
>
Yup, let's do it then. ;)

> Thanks.
>
> Love,
> Lou
>
> On 10/22/18 8:06 PM, Kristóf Umann wrote:
>
> Shouldn't it be this?:
> set(LLVM_LINK_COMPONENTS Support)
>
> add_clang_executable(loop-convert
>   LoopConvert.cpp
>   )
> target_link_libraries(loop-convert
>   PRIVATE
>   clangFrontend
>   clangTooling
>   clangBasic
>   clangASTMatchers
>   )
>
> Lou Wynn <lewisurn at gmail.com> ezt írta (időpont: 2018. okt. 22., H,
> 13:59):
>
>> I've already added. This is my CMakeLists.txt:
>>
>> set(LLVM_LINK_COMPONENTS Support)
>>
>> add_clang_executable(loop-convert
>>   LoopConvert.cpp
>>   )
>> target_link_libraries(loop-convert
>>   PRIVATE
>>   clangTooling
>>   clangBasic
>>   clangASTMatchers
>>   )
>>
>> Love,
>> Lou
>>
>>
>> On 10/22/18 7:18 PM, Kristóf Umann wrote:
>>
>> Try adding clangFrontend to target_link_libraries in CMakeLists.txt.
>>
>> Lou Wynn via cfe-dev <cfe-dev at lists.llvm.org> ezt írta (időpont: 2018.
>> okt. 22., H, 12:14):
>>
>>> I followed the libTooling tutorial at here:
>>> http://clang.llvm.org/docs/LibASTMatchersTutorial.html to write the
>>> loop-convert program. When I built it, I got the following error (I used
>>> the unofficial monorepo to build clang):
>>>
>>>
>>> $ ninja loop-convert
>>> [1/1] Linking CXX executable bin/loop-convert
>>> FAILED: : && /usr/bin/clang++-6.0   -fPIC -fvisibility-inlines-hidden
>>> -Werror=date-time -Werror=unguarded-availability-new -std=c++11 -Wall
>>> -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual
>>> -Wmissing-field-initializers -pedantic -Wno-long-long
>>> -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor
>>> -Wdelete-non-virtual-dtor -Wstring-conversion -fdiagnostics-color
>>> -fno-common -Woverloaded-virtual -Wno-nested-anon-types -g
>>> -fuse-ld=lld-6.0 -Wl,--color-diagnostics -Wl,-allow-shlib-undefined
>>> tools/clang/tools/extra/loop-convert/CMakeFiles/loop-convert.dir/LoopConvert.cpp.o
>>> -o bin/loop-convert  lib/libLLVMSupport.so.8svn -lpthread
>>> lib/libclangTooling.so.8svn lib/libclangBasic.so.8svn
>>> lib/libclangASTMatchers.so.8svn -Wl,-rpath,"\$ORIGIN/../lib" && :
>>> /usr/bin/ld.lld-6.0: error: undefined symbol:
>>> clang::PCHContainerOperations::PCHContainerOperations()
>>> >>> referenced by new_allocator.h:120
>>> (/usr/bin/../lib/gcc/x86_64-linux-gnu/5.4.0/../../../../include/c++/5.4.0/ext/new_allocator.h:120)
>>> >>>
>>> tools/clang/tools/extra/loop-convert/CMakeFiles/loop-convert.dir/LoopConvert.cpp.o:(void
>>> __gnu_cxx::new_allocator<clang::PCHContainerOperations>::construct<clang::PCHContainerOperations>(clang::PCHContainerOperations*))
>>>
>>> /usr/bin/ld.lld-6.0: error: undefined symbol: vtable for
>>> clang::SyntaxOnlyAction
>>> >>> referenced by FrontendActions.h:158
>>> (/home/lu/work/git-repos/llvm-mono/llvm-project/clang/include/clang/Frontend/FrontendActions.h:158)
>>> >>>
>>> tools/clang/tools/extra/loop-convert/CMakeFiles/loop-convert.dir/LoopConvert.cpp.o:(clang::SyntaxOnlyAction::SyntaxOnlyAction())
>>>
>>> /usr/bin/ld.lld-6.0: error: undefined symbol:
>>> clang::FrontendAction::FrontendAction()
>>> >>> referenced by FrontendAction.h:253
>>> (/home/lu/work/git-repos/llvm-mono/llvm-project/clang/include/clang/Frontend/FrontendAction.h:253)
>>> >>>
>>> tools/clang/tools/extra/loop-convert/CMakeFiles/loop-convert.dir/LoopConvert.cpp.o:(clang::ASTFrontendAction::ASTFrontendAction())
>>>
>>> /usr/bin/ld.lld-6.0: error: undefined symbol: vtable for
>>> clang::ASTFrontendAction
>>> >>> referenced by FrontendAction.h:253
>>> (/home/lu/work/git-repos/llvm-mono/llvm-project/clang/include/clang/Frontend/FrontendAction.h:253)
>>> >>>
>>> tools/clang/tools/extra/loop-convert/CMakeFiles/loop-convert.dir/LoopConvert.cpp.o:(clang::ASTFrontendAction::ASTFrontendAction())
>>> clang: error: linker command failed with exit code 1 (use -v to see
>>> invocation)
>>> ninja: build stopped: subcommand failed.
>>>
>>>
>>> Can anyone point me to the right direction to fix it?
>>>
>>> Thanks.
>>>
>>> --
>>> Love,
>>> Lou
>>>
>>>
>>> _______________________________________________
>>> cfe-dev mailing list
>>> cfe-dev at lists.llvm.org
>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev
>>>
>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/cfe-dev/attachments/20181022/036e03a7/attachment.html>