[cfe-dev] Building clang

[Joerg Sonnenberger via cfe-dev]

On Sun, Aug 23, 2020 at 01:21:30PM -0500, Brian Cain via cfe-dev wrote:
> It's typically a big performance improvement to leverage ccache and to use
> lld as the linker.

Using ccache will normally not result in any performance improvements
for a one-off build and typically even decrease performance. Whether it
helps for update builds is questionable too.

Joerg