I’ve installed the newest LLVM toolchain from the official PPA, including clang, clang-tools-extra, lldb, lld, libc++ and libc++abi. I’m trying to use clangd with emacs + lsp.
All works fine except clangd cannot find default headers like memory, vector and so on. My code is fine, it is normally compiled using clang. My compile_commands.json also okay.
How to make clangd work?
Edit: removed mention about building llvm+clang from sources since it has been done incorrectly.
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Answer
I didn’t find any info on the internet, so posting the solution here.
Suppose the llvm toolchain is installed in /usr/lib/llvm-8.
The answer is:
sudo ln -s /usr/lib/llvm-8/include/c++/v1 /usr/include/c++/v1
That’s it. Good luck.