[cfe-dev] clang built from source in Mac OSX 10.14 with apple-clang/Xcode missing stdlib from include search path

[Jacob Carlborg via cfe-dev]

On 2019-09-25 14:49, Hans Wennborg via cfe-dev wrote:
> I'm always confused when trying to get locally-built Clang to find
> stdlib headers on my Mac.
> 
> Last time, after upgrading to Mojave, following the TL;DR advice from
> this answer made it work for me: https://stackoverflow.com/a/52530212
> 
> It would certainly be nice if this could somehow work out of the box.

When building Clang the build system could run "xcrun --show-sdk-path" 
to identify the SDK path. Or to be even more flexible: when running 
Clang it could run the above code and it will avoid the need for hard 
coding the path to the SDK.

-- 
/Jacob Carlborg