[R-sig-Fedora] C diagnostics in rstudio

[Iñaki Ucar]

On Tue, 18 Oct 2022 at 16:54, <tim.taylor using hiddenelephants.co.uk> wrote:
>
> Apologies if this is double posted as I initially sent from an account not registered.
>
> I've noticed that diagnostics and completions for C code do not seem to be working within rstudio on f36 (2022.02.4+500-1). Is there something additional required to enable them outside of rstudio itself?

Yes, you need to install clang-devel, both for our build as well as
for the official build.

In general, this is how you can find which package provides a certain file:

$ dnf repoquery --provides */<file>

where <file>=libclang.so in our case.

Iñaki

> Using .rs.setClangDiagnostics(2) within rstudio gives me the following output:
>
> Attemping to load libclang for x86_64-redhat-linux-gnu
> /usr/libexec/rstudio/bin/rsclang/libclang.so
> (Not Found)
> /usr/lib/libclang.so
> (Not Found)
> /usr/lib/llvm/libclang.so
> (Not Found)
> /usr/lib64/libclang.so
> (Not Found)
> /usr/lib64/llvm/libclang.so
> (Not Found)
> /usr/lib64/llvm13/lib/libclang.so.1
> (Not Found)
>
> For reference in /usr/lib64 I have
> clang
> libclang-cpp.so.14
> libclang.so.14.0.5
> libclang.so.14.0.5
> llvm13
>
> Cheers
>
> Tim
>
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-- 
Iñaki Úcar