[llvm-dev] LLVM 4.0 with clang 4.0

[Alex L via llvm-dev]

It looks like you are trying to compile mismatching LLVM and Clang (more
specifically, newer LLVM and older Clang). LLVM returns a vector of
StringRefs from getValueAsListOfStrings after r304325, and Clang was
updated in a subsequent commit. How are you building Clang?

On 10 July 2017 at 12:18, Leijsten, G.H.P. via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hello,
>
> Is anyone except for me having trouble to compile LLVM after adding Clang?
>
> I am compiling on Mac OS X, and having trouble because of the following
> error:
>
> /LLVM/tools/clang/utils/TableGen/ClangAttrEmitter.cpp:2213:30: error: no
> viable conversion from 'vector<llvm::StringRef>' to 'vector<std::string>'
>     std::vector<std::string> OSes = R->getValueAsListOfStrings("OSes");
>                              ^      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /Applications/Xcode.app/Contents/Developer/Toolchains/
> XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/vector:538:5: note: candidate
> constructor not viable: no known conversion
>       from 'std::vector<StringRef>' to 'initializer_list<value_type>' (aka
> 'initializer_list<std::__1::basic_string<char> >') for 1st argument
>     vector(initializer_list<value_type> __il);
>     ^
> /Applications/Xcode.app/Contents/Developer/Toolchains/
> XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/vector:550:5: note: candidate
> constructor not viable: no known conversion
>       from 'std::vector<StringRef>' to 'const std::__1::vector<std::__1::basic_string<char>,
> std::__1::allocator<std::__1::basic_string<char> > > &' for 1st argument
>     vector(const vector& __x);
>     ^
> /Applications/Xcode.app/Contents/Developer/Toolchains/
> XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/vector:556:5: note: candidate
> constructor not viable: no known conversion
>       from 'std::vector<StringRef>' to 'std::__1::vector<std::__1::basic_string<char>,
> std::__1::allocator<std::__1::basic_string<char> > > &&' for 1st argument
>     vector(vector&& __x)
>
> I tried also installing llvm 4.0 and clang 4.0 using MacPorts and using
> that to compile, but it resulted in the same error, but with a different
> path…
>
> It seems that there is a problem with matching vector of StringRefs in the
> libraries installed on my machine.
>
> I tried searching the web, but unfortunately no results. Is there anyone
> that has seen this error?
>
> Kind regards,
> Guus Leijsten
>
>
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>
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