On Sun, Mar 18, 2018 at 10:26 AM, Jeff King [off-list ref] wrote:

On Sun, Mar 18, 2018 at 09:18:34AM +0100, Nguyễn Thái Ngọc Duy wrote:

quoted

The set of extra warnings we enable when DEVELOPER has to be
conservative because we can't assume any compiler version the
developer may use. Detect the compiler version so we know when it's
safe to enable -Wextra and maybe more.

Hrm, I was planning to expand my patch into a series.

I started this so I think people expect me to move it forward. But
I'll gladly hand it to you. It looks like you have more compilers to
play with anyway (I'm on gentoo and installing a new compiler,
especially llvm-based, takes ages).
-- 
Duy