[llvm-dev] Compiling LLVM with locally built clang | Errors

[Flamedoge via llvm-dev]

This might be error from `clang -std=c++11 a.c`. I would dump out and see
what commands CMake is running to check if it's feeding c++ options to c
files.

Regards,
Kevin

On Sun, Feb 26, 2017 at 11:11 PM, SANJAY SRIVALLABH SINGAPURAM via llvm-dev
<llvm-dev at lists.llvm.org> wrote:

> Hello,
>
> I issued the following command to point the build to use clang and
> clang++, from a local llvm build directory included in PATH, instead of
> /usr/bin/{cc,c++},
>
> cmake -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ ../llvm_src
>
> The configuration failed with the error stating the compiler didn't
> recognize '-std=c++11' flag, whereas clang compiled a dummy c++ file with
> warnings.
>
> int main(){return 0;} ( which was used during the config, found in
> build/CMakeFiles/CMakeErrors.log )
>
> How can I resolve this ?
>
> Thank You,
> Sanjay
>
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> llvm-dev at lists.llvm.org
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>
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