[PATCH v3] binutils, gdb: support zstd compressed debug sections

[Nick Clifton]

Hi Fangrui,

> PR29397 PR29563: The new configure option --with-zstd defaults to auto.
> If pkgconfig/libzstd.pc is found, define HAVE_ZSTD and support zstd
> compressed debug sections for most tools.

One small, but important point.  Please could you add entries to the gas/NEWS
binutils/NEWS and ld/NEWS files giving a brief description of this new feature.

Cheers
   Nick