[Nix-dev] LLVM, Clang and GCC 5 (C++ ABI Tags)

[Aristid Breitkreuz]

Hi all,

I've been trying to fix the ISPC build, only to find that clang 3.8 does
not support GCC 5's ABI Tags, which means that functions returning
std::string may lead to compiler errors. LLVM/Clang 3.9 apparently does:
http://llvm.org/releases/3.9.0/docs/ReleaseNotes.html#gcc-abi-tag

I think this thread is also relevant:
https://llvm.org/bugs/show_bug.cgi?id=23529

So I suppose the solution for ISPC will be to either switch to LLVM 3.9 or
a clang using libcxx rather than libstdc++.

What do you think? Have you seen other packages fail due to this?


Cheers,

Aristid
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